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Hatch direction

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I want to modify the hatch lines direction marked in red of the next diagram:

enter image description here

It was obtained with the next code:

documentclass[letterpaper,11pt]{report}

usepackage[utf8]{inputenc}

usepackage{amsmath} 

usepackage{float}

usepackage[none]{hyphenat}

usepackage{array}

usepackage{graphicx}

usepackage{pgfplots}

pgfplotsset{width=15cm,compat=1.9}

usepgfplotslibrary{fillbetween}

usetikzlibrary{patterns,arrows,fit,matrix,arrows.meta,calc,decorations.pathmorphing,decorations.markings,decorations.pathreplacing}



usepackage{tikz}

usepackage{bigstrut}

usepackage{float}

usepackage{bbding}

usepackage{diagbox}

usepackage{scalerel}

letsavestarstar

renewcommandstar{{scalerel*{bigstar}{savestar}}}

allowdisplaybreaks

usepackage[resetlabels,labeled]{multibib}

usepackage{url}

usepackage{subcaption} 

usepackage{cite}

usepackage{multirow} 

usepackage{tabularx} 

usepackage{booktabs}

usepackage{ltablex}

usepackage{mathrsfs}

usepackage{rsfso} 

usepackage{booktabs} 

usepackage{mathtools}







% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom north west lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexprhatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{-0.15pt}}

    ifdim hatchshift > 0pt

      pgfpathmoveto{pgfqpoint{0pt}{hatchshift}}

      pgfpathlineto{pgfqpoint{dimexpr0.15pt+hatchshift}{-0.15pt}}

    fi

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{figure}[ht]

centering

begin{tikzpicture}

draw (0,0) ellipse (5.375cm and 1.5cm);

draw (-5.375,-0.5) arc (180:360:5.375 and 1.5);

draw (-5.375,0) -- ++(0,-0.5);

draw (5.375,0) -- ++(0,-0.5);



draw (0,0) ellipse (2.685cm and 0.75cm);

draw (2.6,-0.2) arc (19:165:2.7 and 0.75);



draw (1.5,0) -- (2.7,0);

draw (-2.7,0) -- (-1.5,0);

draw (0,0.75) -- (0,0.2);

draw (0,-0.75) -- (0,-0.2);



draw (1.7,0.6) -- (0.7,0.2);

draw (1.7,-0.6) -- (0.7,-0.2);

draw (-1.7,0.6) -- (-0.7,0.2);

draw (-1.7,-0.6) -- (-0.7,-0.2);



draw (0.8,0.7) -- (0.35,0.2);

draw (0.8,-0.7) -- (0.35,-0.2);

draw (-0.8,0.7) -- (-0.35,0.2);

draw (-0.8,-0.7) -- (-0.35,-0.2);





draw (2.4,0.3) -- (1.2,0.1);

draw (2.4,-0.3) -- (1.2,-0.1);

draw (-2.4,0.3) -- (-1.2,0.1);

draw (-2.4,-0.3) -- (-1.2,-0.1);





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



draw[pattern=custom north west lines, hatchspread=24pt, hatchcolor=black, draw=none] (2.1,-8.7) rectangle (2.685,-5.3);



draw[pattern=custom north west lines,hatchspread=25pt,hatchcolor=black,draw=none] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{figure}



end{document}

I want to change the hatch lines to something like "custom east lines", that is this direction . Any help is appreciated.

asked 8 hours ago

Alfredo

1207

add a comment |

I want to modify the hatch lines direction marked in red of the next diagram:

enter image description here

It was obtained with the next code:

documentclass[letterpaper,11pt]{report}

usepackage[utf8]{inputenc}

usepackage{amsmath} 

usepackage{float}

usepackage[none]{hyphenat}

usepackage{array}

usepackage{graphicx}

usepackage{pgfplots}

pgfplotsset{width=15cm,compat=1.9}

usepgfplotslibrary{fillbetween}

usetikzlibrary{patterns,arrows,fit,matrix,arrows.meta,calc,decorations.pathmorphing,decorations.markings,decorations.pathreplacing}



usepackage{tikz}

usepackage{bigstrut}

usepackage{float}

usepackage{bbding}

usepackage{diagbox}

usepackage{scalerel}

letsavestarstar

renewcommandstar{{scalerel*{bigstar}{savestar}}}

allowdisplaybreaks

usepackage[resetlabels,labeled]{multibib}

usepackage{url}

usepackage{subcaption} 

usepackage{cite}

usepackage{multirow} 

usepackage{tabularx} 

usepackage{booktabs}

usepackage{ltablex}

usepackage{mathrsfs}

usepackage{rsfso} 

usepackage{booktabs} 

usepackage{mathtools}







% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom north west lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexprhatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{-0.15pt}}

    ifdim hatchshift > 0pt

      pgfpathmoveto{pgfqpoint{0pt}{hatchshift}}

      pgfpathlineto{pgfqpoint{dimexpr0.15pt+hatchshift}{-0.15pt}}

    fi

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{figure}[ht]

centering

begin{tikzpicture}

draw (0,0) ellipse (5.375cm and 1.5cm);

draw (-5.375,-0.5) arc (180:360:5.375 and 1.5);

draw (-5.375,0) -- ++(0,-0.5);

draw (5.375,0) -- ++(0,-0.5);



draw (0,0) ellipse (2.685cm and 0.75cm);

draw (2.6,-0.2) arc (19:165:2.7 and 0.75);



draw (1.5,0) -- (2.7,0);

draw (-2.7,0) -- (-1.5,0);

draw (0,0.75) -- (0,0.2);

draw (0,-0.75) -- (0,-0.2);



draw (1.7,0.6) -- (0.7,0.2);

draw (1.7,-0.6) -- (0.7,-0.2);

draw (-1.7,0.6) -- (-0.7,0.2);

draw (-1.7,-0.6) -- (-0.7,-0.2);



draw (0.8,0.7) -- (0.35,0.2);

draw (0.8,-0.7) -- (0.35,-0.2);

draw (-0.8,0.7) -- (-0.35,0.2);

draw (-0.8,-0.7) -- (-0.35,-0.2);





draw (2.4,0.3) -- (1.2,0.1);

draw (2.4,-0.3) -- (1.2,-0.1);

draw (-2.4,0.3) -- (-1.2,0.1);

draw (-2.4,-0.3) -- (-1.2,-0.1);





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



draw[pattern=custom north west lines, hatchspread=24pt, hatchcolor=black, draw=none] (2.1,-8.7) rectangle (2.685,-5.3);



draw[pattern=custom north west lines,hatchspread=25pt,hatchcolor=black,draw=none] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{figure}



end{document}

I want to change the hatch lines to something like "custom east lines", that is this direction . Any help is appreciated.

asked 8 hours ago

Alfredo

1207

add a comment |

I want to modify the hatch lines direction marked in red of the next diagram:

enter image description here

It was obtained with the next code:

documentclass[letterpaper,11pt]{report}

usepackage[utf8]{inputenc}

usepackage{amsmath} 

usepackage{float}

usepackage[none]{hyphenat}

usepackage{array}

usepackage{graphicx}

usepackage{pgfplots}

pgfplotsset{width=15cm,compat=1.9}

usepgfplotslibrary{fillbetween}

usetikzlibrary{patterns,arrows,fit,matrix,arrows.meta,calc,decorations.pathmorphing,decorations.markings,decorations.pathreplacing}



usepackage{tikz}

usepackage{bigstrut}

usepackage{float}

usepackage{bbding}

usepackage{diagbox}

usepackage{scalerel}

letsavestarstar

renewcommandstar{{scalerel*{bigstar}{savestar}}}

allowdisplaybreaks

usepackage[resetlabels,labeled]{multibib}

usepackage{url}

usepackage{subcaption} 

usepackage{cite}

usepackage{multirow} 

usepackage{tabularx} 

usepackage{booktabs}

usepackage{ltablex}

usepackage{mathrsfs}

usepackage{rsfso} 

usepackage{booktabs} 

usepackage{mathtools}







% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom north west lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexprhatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{-0.15pt}}

    ifdim hatchshift > 0pt

      pgfpathmoveto{pgfqpoint{0pt}{hatchshift}}

      pgfpathlineto{pgfqpoint{dimexpr0.15pt+hatchshift}{-0.15pt}}

    fi

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{figure}[ht]

centering

begin{tikzpicture}

draw (0,0) ellipse (5.375cm and 1.5cm);

draw (-5.375,-0.5) arc (180:360:5.375 and 1.5);

draw (-5.375,0) -- ++(0,-0.5);

draw (5.375,0) -- ++(0,-0.5);



draw (0,0) ellipse (2.685cm and 0.75cm);

draw (2.6,-0.2) arc (19:165:2.7 and 0.75);



draw (1.5,0) -- (2.7,0);

draw (-2.7,0) -- (-1.5,0);

draw (0,0.75) -- (0,0.2);

draw (0,-0.75) -- (0,-0.2);



draw (1.7,0.6) -- (0.7,0.2);

draw (1.7,-0.6) -- (0.7,-0.2);

draw (-1.7,0.6) -- (-0.7,0.2);

draw (-1.7,-0.6) -- (-0.7,-0.2);



draw (0.8,0.7) -- (0.35,0.2);

draw (0.8,-0.7) -- (0.35,-0.2);

draw (-0.8,0.7) -- (-0.35,0.2);

draw (-0.8,-0.7) -- (-0.35,-0.2);





draw (2.4,0.3) -- (1.2,0.1);

draw (2.4,-0.3) -- (1.2,-0.1);

draw (-2.4,0.3) -- (-1.2,0.1);

draw (-2.4,-0.3) -- (-1.2,-0.1);





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



draw[pattern=custom north west lines, hatchspread=24pt, hatchcolor=black, draw=none] (2.1,-8.7) rectangle (2.685,-5.3);



draw[pattern=custom north west lines,hatchspread=25pt,hatchcolor=black,draw=none] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{figure}



end{document}

I want to change the hatch lines to something like "custom east lines", that is this direction . Any help is appreciated.

asked 8 hours ago

Alfredo

1207

I want to modify the hatch lines direction marked in red of the next diagram:

enter image description here

It was obtained with the next code:

documentclass[letterpaper,11pt]{report}

usepackage[utf8]{inputenc}

usepackage{amsmath} 

usepackage{float}

usepackage[none]{hyphenat}

usepackage{array}

usepackage{graphicx}

usepackage{pgfplots}

pgfplotsset{width=15cm,compat=1.9}

usepgfplotslibrary{fillbetween}

usetikzlibrary{patterns,arrows,fit,matrix,arrows.meta,calc,decorations.pathmorphing,decorations.markings,decorations.pathreplacing}



usepackage{tikz}

usepackage{bigstrut}

usepackage{float}

usepackage{bbding}

usepackage{diagbox}

usepackage{scalerel}

letsavestarstar

renewcommandstar{{scalerel*{bigstar}{savestar}}}

allowdisplaybreaks

usepackage[resetlabels,labeled]{multibib}

usepackage{url}

usepackage{subcaption} 

usepackage{cite}

usepackage{multirow} 

usepackage{tabularx} 

usepackage{booktabs}

usepackage{ltablex}

usepackage{mathrsfs}

usepackage{rsfso} 

usepackage{booktabs} 

usepackage{mathtools}







% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom north west lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexprhatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{-0.15pt}}

    ifdim hatchshift > 0pt

      pgfpathmoveto{pgfqpoint{0pt}{hatchshift}}

      pgfpathlineto{pgfqpoint{dimexpr0.15pt+hatchshift}{-0.15pt}}

    fi

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{figure}[ht]

centering

begin{tikzpicture}

draw (0,0) ellipse (5.375cm and 1.5cm);

draw (-5.375,-0.5) arc (180:360:5.375 and 1.5);

draw (-5.375,0) -- ++(0,-0.5);

draw (5.375,0) -- ++(0,-0.5);



draw (0,0) ellipse (2.685cm and 0.75cm);

draw (2.6,-0.2) arc (19:165:2.7 and 0.75);



draw (1.5,0) -- (2.7,0);

draw (-2.7,0) -- (-1.5,0);

draw (0,0.75) -- (0,0.2);

draw (0,-0.75) -- (0,-0.2);



draw (1.7,0.6) -- (0.7,0.2);

draw (1.7,-0.6) -- (0.7,-0.2);

draw (-1.7,0.6) -- (-0.7,0.2);

draw (-1.7,-0.6) -- (-0.7,-0.2);



draw (0.8,0.7) -- (0.35,0.2);

draw (0.8,-0.7) -- (0.35,-0.2);

draw (-0.8,0.7) -- (-0.35,0.2);

draw (-0.8,-0.7) -- (-0.35,-0.2);





draw (2.4,0.3) -- (1.2,0.1);

draw (2.4,-0.3) -- (1.2,-0.1);

draw (-2.4,0.3) -- (-1.2,0.1);

draw (-2.4,-0.3) -- (-1.2,-0.1);





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



draw[pattern=custom north west lines, hatchspread=24pt, hatchcolor=black, draw=none] (2.1,-8.7) rectangle (2.685,-5.3);



draw[pattern=custom north west lines,hatchspread=25pt,hatchcolor=black,draw=none] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{figure}



end{document}

I want to change the hatch lines to something like "custom east lines", that is this direction . Any help is appreciated.

tikz-styles pattern

asked 8 hours ago

Alfredo

1207

asked 8 hours ago

Alfredo

1207

asked 8 hours ago

Alfredo

1207

asked 8 hours ago

Alfredo

1207

asked 8 hours ago

Alfredo

1207

add a comment |

1 Answer
1

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This comes with a pattern custom horizontal lines that is an analog of your pattern custom north west lines. I also simplified the upper part of your code by switching to 3d coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom horizontal lines, hatchspread=8pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom horizontal lines,hatchspread=8pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

custom north east lines are even simple because you only need to exchange two coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern



pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom north east lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexprhatchspread+hatchshift}}

    ifdim hatchshift > 0pt

      pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

      pgfpathlineto{pgfqpoint{dimexpr0.15pt+hatchshift}{hatchshift}}

    fi

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }



% horizontal lines

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom north east lines, hatchspread=10pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom north east lines,hatchspread=10pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

edited 3 hours ago

answered 6 hours ago

marmot

116k5146277

Hello @marmot, I made a mistake. With the code I wrote I get a different diagonal hatching. I want to get the kind of diagonal hatching that I have posted in the figure. It is diagonal lines "/". Sorry for the confusions.

– Alfredo
5 hours ago

@Alfredo You already got the diagonal hatching in the code of your question. What is your question then about, i.e. what do you want us to do?

– marmot
5 hours ago

if you run my code you get a different hatch that is in the figure. Watch it carefully, is not the same. The question is: How can I obtain that hatch of the figure?.

– Alfredo
5 hours ago

@Alfredo I see. I added custom north east lines. BTW, if you got custom north west lines from some other post, could you perhaps consider indicating the source? Whoever wrote this pattern deserves some credit, I think.

– marmot
5 hours ago

1

the custom north west lines code was obtained from the answer of @Alain Matthes here: tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/…

– Alfredo
5 hours ago

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1 Answer
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This comes with a pattern custom horizontal lines that is an analog of your pattern custom north west lines. I also simplified the upper part of your code by switching to 3d coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom horizontal lines, hatchspread=8pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom horizontal lines,hatchspread=8pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

custom north east lines are even simple because you only need to exchange two coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern



pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom north east lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexprhatchspread+hatchshift}}

    ifdim hatchshift > 0pt

      pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

      pgfpathlineto{pgfqpoint{dimexpr0.15pt+hatchshift}{hatchshift}}

    fi

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }



% horizontal lines

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom north east lines, hatchspread=10pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom north east lines,hatchspread=10pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

edited 3 hours ago

answered 6 hours ago

marmot

116k5146277

Hello @marmot, I made a mistake. With the code I wrote I get a different diagonal hatching. I want to get the kind of diagonal hatching that I have posted in the figure. It is diagonal lines "/". Sorry for the confusions.

– Alfredo
5 hours ago

@Alfredo You already got the diagonal hatching in the code of your question. What is your question then about, i.e. what do you want us to do?

– marmot
5 hours ago

if you run my code you get a different hatch that is in the figure. Watch it carefully, is not the same. The question is: How can I obtain that hatch of the figure?.

– Alfredo
5 hours ago

@Alfredo I see. I added custom north east lines. BTW, if you got custom north west lines from some other post, could you perhaps consider indicating the source? Whoever wrote this pattern deserves some credit, I think.

– marmot
5 hours ago

1

the custom north west lines code was obtained from the answer of @Alain Matthes here: tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/…

– Alfredo
5 hours ago

add a comment |

This comes with a pattern custom horizontal lines that is an analog of your pattern custom north west lines. I also simplified the upper part of your code by switching to 3d coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom horizontal lines, hatchspread=8pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom horizontal lines,hatchspread=8pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

custom north east lines are even simple because you only need to exchange two coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern



pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom north east lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexprhatchspread+hatchshift}}

    ifdim hatchshift > 0pt

      pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

      pgfpathlineto{pgfqpoint{dimexpr0.15pt+hatchshift}{hatchshift}}

    fi

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }



% horizontal lines

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom north east lines, hatchspread=10pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom north east lines,hatchspread=10pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

edited 3 hours ago

answered 6 hours ago

marmot

116k5146277

Hello @marmot, I made a mistake. With the code I wrote I get a different diagonal hatching. I want to get the kind of diagonal hatching that I have posted in the figure. It is diagonal lines "/". Sorry for the confusions.

– Alfredo
5 hours ago

@Alfredo You already got the diagonal hatching in the code of your question. What is your question then about, i.e. what do you want us to do?

– marmot
5 hours ago

if you run my code you get a different hatch that is in the figure. Watch it carefully, is not the same. The question is: How can I obtain that hatch of the figure?.

– Alfredo
5 hours ago

@Alfredo I see. I added custom north east lines. BTW, if you got custom north west lines from some other post, could you perhaps consider indicating the source? Whoever wrote this pattern deserves some credit, I think.

– marmot
5 hours ago

1

the custom north west lines code was obtained from the answer of @Alain Matthes here: tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/…

– Alfredo
5 hours ago

add a comment |

This comes with a pattern custom horizontal lines that is an analog of your pattern custom north west lines. I also simplified the upper part of your code by switching to 3d coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom horizontal lines, hatchspread=8pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom horizontal lines,hatchspread=8pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

custom north east lines are even simple because you only need to exchange two coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern



pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom north east lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexprhatchspread+hatchshift}}

    ifdim hatchshift > 0pt

      pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

      pgfpathlineto{pgfqpoint{dimexpr0.15pt+hatchshift}{hatchshift}}

    fi

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }



% horizontal lines

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom north east lines, hatchspread=10pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom north east lines,hatchspread=10pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

edited 3 hours ago

answered 6 hours ago

marmot

116k5146277

This comes with a pattern custom horizontal lines that is an analog of your pattern custom north west lines. I also simplified the upper part of your code by switching to 3d coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom horizontal lines, hatchspread=8pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom horizontal lines,hatchspread=8pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

custom north east lines are even simple because you only need to exchange two coordinates.

documentclass[tikz,border=3.14mm]{standalone}

usepackage{tikz-3dplot}

usetikzlibrary{patterns,arrows.meta,3d}

% based on https://tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/54465

% defining the new dimensions and parameters

newlength{hatchspread}

newlength{hatchthickness}

newlength{hatchshift}

newcommand{hatchcolor}{}

% declaring the keys in tikz

tikzset{hatchspread/.code={setlength{hatchspread}{#1}},

         hatchthickness/.code={setlength{hatchthickness}{#1}},

         hatchshift/.code={setlength{hatchshift}{#1}},% must be >= 0

         hatchcolor/.code={renewcommand{hatchcolor}{#1}}}

% setting the default values

tikzset{hatchspread=5pt,

         hatchthickness=0.4pt,

         hatchshift=1.5pt,% must be >= 0

         hatchcolor=black}

% declaring the pattern



pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom north east lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexprhatchspread+hatchshift}}

    ifdim hatchshift > 0pt

      pgfpathmoveto{pgfqpoint{0pt}{-0.15pt}}

      pgfpathlineto{pgfqpoint{dimexpr0.15pt+hatchshift}{hatchshift}}

    fi

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }



% horizontal lines

pgfdeclarepatternformonly[hatchspread,hatchthickness,hatchshift,hatchcolor]% variables

   {custom horizontal lines}% name

   {pgfqpoint{dimexpr-2hatchthickness}{dimexpr-2hatchthickness}}% lower left corner

   {pgfqpoint{dimexprhatchspread+2hatchthickness}{dimexprhatchspread+2hatchthickness}}% upper right corner

   {pgfqpoint{dimexprhatchspread}{dimexprhatchspread}}% tile size

   {% shape description

    pgfsetlinewidth{hatchthickness}

    pgfpathmoveto{pgfqpoint{0pt}{dimexpr 0.5hatchspread+hatchshift}}

    pgfpathlineto{pgfqpoint{dimexprhatchspread+0.15pt+hatchshift}{dimexpr 0.5hatchspread+hatchshift}}

    pgfsetstrokecolor{hatchcolor}

%    pgfsetdash{{1pt}{1pt}}{0pt}% dashing cannot work correctly in all situation this way

    pgfusepath{stroke}

   }















begin{document}





begin{tikzpicture}

tdplotsetmaincoords{74}{0} 

begin{scope}[tdplot_main_coords,canvas is xy plane at z=0,transform shape]

 draw (0,0) circle[radius=5.375cm]; 

 draw (-5.375,0) -- (-5.375,-1.8)

 arc(180:360:5.375cm) --(5.375,0);

 draw[clip] (0,0) circle[radius=2.685cm];

 draw (0,-1.6) circle[radius=2.685cm];

 foreach X in {0,22.5,...,337.5}

  {draw (X:2.685) -- (X:1);}

end{scope}





path (0,-7) -- (5,-7) node[inner sep=2pt,circle,fill,pos=0] (x1) {};





draw[-{Latex[length=2mm]}] (0,-7) -- (6,-7) node[pos=1.1,fill=white,circle]{$r$};



draw[-{Latex[length=2mm]}] (0,-7) -- (0,-13) node[pos=1.1,circle]{$z(r,theta)$};



draw (2.685,-6.7) -- (5.375,-6.7) -- (5.375,-7.3) -- (2.685,-7.3) -- (2.685,-6.7);



draw (-2.685,-6.7) -- (-5.375,-6.7) -- (-5.375,-7.3) -- (-2.685,-7.3) -- (-2.685,-6.7);



draw (2.685,-5.3) -- (2.685,-8.7); % línea para ashurado

draw (-2.685,-5.3) -- (-2.685,-8.7);



draw (2.685,-9.3) -- (2.685,-10.7);%Linea auxiliar 1



draw (-5.375,-10.3) -- (-5.375,-11.3); % Linea auxiliar 2



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.1) -- (2.685,-10.1) node[above,pos=0.5,fill=white,circle]{$b$};% Cota 1



draw[{Latex[length=2mm]}-{Latex[length=2mm]}] (0,-10.8) -- (-5.375,-10.8) node[above,pos=0.5,fill=white,circle]{$a$};% Cota 2





draw[dashed] (-2.685,-2.3) -- (-2.685,-4.7);

draw[dashed] (2.685,-2.3) -- (2.685,-4.7);



draw[dashed] (-5.375,-1.5) -- (-5.375,-5.9);

draw[dashed] (5.375,-1.5) -- (5.375,-5.9);



path[pattern=custom north east lines, hatchspread=10pt, hatchcolor=black] (2.1,-8.7) rectangle (2.685,-5.3);



path[pattern=custom north east lines,hatchspread=10pt,hatchcolor=black] (-2.1,-8.7) rectangle (-2.685,-5.3);



draw[dashed] (-5.375,-8.1) -- (-5.375,-9.6);



end{tikzpicture}



end{document}

enter image description here

edited 3 hours ago

answered 6 hours ago

marmot

116k5146277

edited 3 hours ago

answered 6 hours ago

marmot

116k5146277

answered 6 hours ago

marmot

116k5146277

answered 6 hours ago

marmot

116k5146277

Hello @marmot, I made a mistake. With the code I wrote I get a different diagonal hatching. I want to get the kind of diagonal hatching that I have posted in the figure. It is diagonal lines "/". Sorry for the confusions.

– Alfredo
5 hours ago

@Alfredo You already got the diagonal hatching in the code of your question. What is your question then about, i.e. what do you want us to do?

– marmot
5 hours ago

if you run my code you get a different hatch that is in the figure. Watch it carefully, is not the same. The question is: How can I obtain that hatch of the figure?.

– Alfredo
5 hours ago

@Alfredo I see. I added custom north east lines. BTW, if you got custom north west lines from some other post, could you perhaps consider indicating the source? Whoever wrote this pattern deserves some credit, I think.

– marmot
5 hours ago

1

the custom north west lines code was obtained from the answer of @Alain Matthes here: tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/…

– Alfredo
5 hours ago

add a comment |

Hello @marmot, I made a mistake. With the code I wrote I get a different diagonal hatching. I want to get the kind of diagonal hatching that I have posted in the figure. It is diagonal lines "/". Sorry for the confusions.

– Alfredo
5 hours ago

@Alfredo You already got the diagonal hatching in the code of your question. What is your question then about, i.e. what do you want us to do?

– marmot
5 hours ago

if you run my code you get a different hatch that is in the figure. Watch it carefully, is not the same. The question is: How can I obtain that hatch of the figure?.

– Alfredo
5 hours ago

@Alfredo I see. I added custom north east lines. BTW, if you got custom north west lines from some other post, could you perhaps consider indicating the source? Whoever wrote this pattern deserves some credit, I think.

– marmot
5 hours ago

1

the custom north west lines code was obtained from the answer of @Alain Matthes here: tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/…

– Alfredo
5 hours ago

Hello @marmot, I made a mistake. With the code I wrote I get a different diagonal hatching. I want to get the kind of diagonal hatching that I have posted in the figure. It is diagonal lines "/". Sorry for the confusions.

– Alfredo
5 hours ago

@Alfredo You already got the diagonal hatching in the code of your question. What is your question then about, i.e. what do you want us to do?

– marmot
5 hours ago

if you run my code you get a different hatch that is in the figure. Watch it carefully, is not the same. The question is: How can I obtain that hatch of the figure?.

– Alfredo
5 hours ago

@Alfredo I see. I added custom north east lines. BTW, if you got custom north west lines from some other post, could you perhaps consider indicating the source? Whoever wrote this pattern deserves some credit, I think.

– marmot
5 hours ago

the custom north west lines code was obtained from the answer of @Alain Matthes here: tex.stackexchange.com/questions/54464/hatch-a-rectangle-in-tikz/…

– Alfredo
5 hours ago

add a comment |

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