Tikz: Draw lines between edges of rectangles

The name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP












2















The following code



documentclass[tikz,border=1mm]standalone
usepackagetikz
begindocument
newcommandopacity0.6
begintikzpicture
draw[xshift=1cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (3,3) -- (3.2,3) -- (0.2,0) -- (0,0);
draw[xshift=2cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (2,2) -- (2.2,2) -- (0.2,0) -- (0,0);
draw[xshift=3cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (1,1) -- (1.2,1) -- (0.2,0) -- (0,0);
endtikzpicture
enddocument


produces the following output:



enter image description here



How can I connect the edges of the rectangles with a line? I don't want to use coordinates (draw (0,0) -- (2,2)) but rather something like



draw (rectangle1.north east) -- (rectangle2.north west).



It would also be great if there is a solution like:



draw (A1)(0,0) -- (B1)(1,1) -- (C1)(1.2,1) -- (D1)(0.2,0) -- (E1)(0,0);
draw (A2)(0,0) -- (B2)(1,1) -- (C2)(1.2,1) -- (D2)(0.2,0) -- (E2)(0,0);
draw (A1) -- (C2)









share|improve this question






















  • at drawed shapes this is not possible. they haven't defined names nor anchors. you can do this by use of coordinates for each shape corner, but this will cause quite complex code. for example for the first shape: draw[myshape] (0,0) coordinate (A1) -- (3,3) coordinate (A2) -- (3.2,3) coordinate (A3) -- (0.2,0) coordinate (A4) -- cycle; and than draw for example draw (A1) -- (A3);

    – Zarko
    Dec 30 '18 at 19:27















2















The following code



documentclass[tikz,border=1mm]standalone
usepackagetikz
begindocument
newcommandopacity0.6
begintikzpicture
draw[xshift=1cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (3,3) -- (3.2,3) -- (0.2,0) -- (0,0);
draw[xshift=2cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (2,2) -- (2.2,2) -- (0.2,0) -- (0,0);
draw[xshift=3cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (1,1) -- (1.2,1) -- (0.2,0) -- (0,0);
endtikzpicture
enddocument


produces the following output:



enter image description here



How can I connect the edges of the rectangles with a line? I don't want to use coordinates (draw (0,0) -- (2,2)) but rather something like



draw (rectangle1.north east) -- (rectangle2.north west).



It would also be great if there is a solution like:



draw (A1)(0,0) -- (B1)(1,1) -- (C1)(1.2,1) -- (D1)(0.2,0) -- (E1)(0,0);
draw (A2)(0,0) -- (B2)(1,1) -- (C2)(1.2,1) -- (D2)(0.2,0) -- (E2)(0,0);
draw (A1) -- (C2)









share|improve this question






















  • at drawed shapes this is not possible. they haven't defined names nor anchors. you can do this by use of coordinates for each shape corner, but this will cause quite complex code. for example for the first shape: draw[myshape] (0,0) coordinate (A1) -- (3,3) coordinate (A2) -- (3.2,3) coordinate (A3) -- (0.2,0) coordinate (A4) -- cycle; and than draw for example draw (A1) -- (A3);

    – Zarko
    Dec 30 '18 at 19:27













2












2








2


0






The following code



documentclass[tikz,border=1mm]standalone
usepackagetikz
begindocument
newcommandopacity0.6
begintikzpicture
draw[xshift=1cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (3,3) -- (3.2,3) -- (0.2,0) -- (0,0);
draw[xshift=2cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (2,2) -- (2.2,2) -- (0.2,0) -- (0,0);
draw[xshift=3cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (1,1) -- (1.2,1) -- (0.2,0) -- (0,0);
endtikzpicture
enddocument


produces the following output:



enter image description here



How can I connect the edges of the rectangles with a line? I don't want to use coordinates (draw (0,0) -- (2,2)) but rather something like



draw (rectangle1.north east) -- (rectangle2.north west).



It would also be great if there is a solution like:



draw (A1)(0,0) -- (B1)(1,1) -- (C1)(1.2,1) -- (D1)(0.2,0) -- (E1)(0,0);
draw (A2)(0,0) -- (B2)(1,1) -- (C2)(1.2,1) -- (D2)(0.2,0) -- (E2)(0,0);
draw (A1) -- (C2)









share|improve this question














The following code



documentclass[tikz,border=1mm]standalone
usepackagetikz
begindocument
newcommandopacity0.6
begintikzpicture
draw[xshift=1cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (3,3) -- (3.2,3) -- (0.2,0) -- (0,0);
draw[xshift=2cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (2,2) -- (2.2,2) -- (0.2,0) -- (0,0);
draw[xshift=3cm,fill=gray,draw=black,opacity=opacity]
(0,0) -- (1,1) -- (1.2,1) -- (0.2,0) -- (0,0);
endtikzpicture
enddocument


produces the following output:



enter image description here



How can I connect the edges of the rectangles with a line? I don't want to use coordinates (draw (0,0) -- (2,2)) but rather something like



draw (rectangle1.north east) -- (rectangle2.north west).



It would also be great if there is a solution like:



draw (A1)(0,0) -- (B1)(1,1) -- (C1)(1.2,1) -- (D1)(0.2,0) -- (E1)(0,0);
draw (A2)(0,0) -- (B2)(1,1) -- (C2)(1.2,1) -- (D2)(0.2,0) -- (E2)(0,0);
draw (A1) -- (C2)






tikz-pgf






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asked Dec 30 '18 at 18:58









SamuelSamuel

521211




521211












  • at drawed shapes this is not possible. they haven't defined names nor anchors. you can do this by use of coordinates for each shape corner, but this will cause quite complex code. for example for the first shape: draw[myshape] (0,0) coordinate (A1) -- (3,3) coordinate (A2) -- (3.2,3) coordinate (A3) -- (0.2,0) coordinate (A4) -- cycle; and than draw for example draw (A1) -- (A3);

    – Zarko
    Dec 30 '18 at 19:27

















  • at drawed shapes this is not possible. they haven't defined names nor anchors. you can do this by use of coordinates for each shape corner, but this will cause quite complex code. for example for the first shape: draw[myshape] (0,0) coordinate (A1) -- (3,3) coordinate (A2) -- (3.2,3) coordinate (A3) -- (0.2,0) coordinate (A4) -- cycle; and than draw for example draw (A1) -- (A3);

    – Zarko
    Dec 30 '18 at 19:27
















at drawed shapes this is not possible. they haven't defined names nor anchors. you can do this by use of coordinates for each shape corner, but this will cause quite complex code. for example for the first shape: draw[myshape] (0,0) coordinate (A1) -- (3,3) coordinate (A2) -- (3.2,3) coordinate (A3) -- (0.2,0) coordinate (A4) -- cycle; and than draw for example draw (A1) -- (A3);

– Zarko
Dec 30 '18 at 19:27





at drawed shapes this is not possible. they haven't defined names nor anchors. you can do this by use of coordinates for each shape corner, but this will cause quite complex code. for example for the first shape: draw[myshape] (0,0) coordinate (A1) -- (3,3) coordinate (A2) -- (3.2,3) coordinate (A3) -- (0.2,0) coordinate (A4) -- cycle; and than draw for example draw (A1) -- (A3);

– Zarko
Dec 30 '18 at 19:27










3 Answers
3






active

oldest

votes


















4














Something like this ?



documentclass[tikz,border=1mm]standalone
usepackagetikz
begindocument
newcommandopacity0.6
begintikzpicture
draw[xshift=1cm,fill=gray,draw=black,opacity=opacity]
(0,0)coordinate(A1) -- (3,3)coordinate(A2) -- (3.2,3)coordinate(A3) -- (0.2,0) coordinate(A4) -- cycle;
draw[xshift=2cm,fill=gray,draw=black,opacity=opacity]
(0,0)coordinate(B1) -- (2,2)coordinate(B2) -- (2.2,2)coordinate(B3) -- (0.2,0)coordinate(B4) -- cycle;
draw[xshift=3cm,fill=gray,draw=black,opacity=opacity]
(0,0)coordinate(C1) -- (1,1) coordinate(C2)-- (1.2,1)coordinate(C3) -- (0.2,0)coordinate(C4) -- cycle;

draw(A4)--(B1);
draw(B4)--(C1);
draw(A3)--(B3)--(C3);

endtikzpicture
enddocument


Update using a foreach loop:



documentclass[tikz,border=1mm]standalone
usepackagetikz
begindocument
newcommandopacity0.6
begintikzpicture

foreach xs/p/x in1/A/3,2/B/2,3/C/1
draw[xshift=xs cm,fill=gray,draw=black,opacity=opacity]
(0,0)coordinate(p1)
--(x,x)coordinate(p2)
--(x+0.2,x)coordinate(p3)
--(0.2,0)coordinate(p4)
--cycle;

draw(A4)--(B1);
draw(B4)--(C1);
draw(A3)--(B3)--(C3);

endtikzpicture
enddocument


enter image description here






share|improve this answer

























  • Great answer! Is it possible, that draw(A-4)--(B-1); should be draw(A4)--(B1);? The same probably also applies to the other cases.

    – Samuel
    Jan 3 at 8:40












  • @Samuel Yes it is perfectly possible! Just replace coordinate(p-1),...,coordinate(p-4) with coordinate(p1),...,coordinate(p4) . I will update my answer soon.

    – Hafid Boukhoulda
    Jan 3 at 9:11


















3














As far as I understand your post, if two coordinates are given, the full shape is fixed. Your shape is not a rectangle, but a trapezium, and there are predefined shapes available.



documentclass[tikz,border=3.14mm]standalone
usetikzlibraryshapes.geometric
begindocument
begintikzpicture[my trapez/.style=trapezium,%inner xsep=0pt,inner ysep=0pt,
trapezium left angle=135, trapezium right angle=45,rotate=45,
minimum width=#1*sqrt(2)*1cm,minimum height=sqrt(2)*1mm,draw,fill=gray,
trapezium stretches body,anchor=west]
node[my trapez=3] (L) at (1,0) ;
node[my trapez=2] (M) at (2,0) ;
node[my trapez=1] (R) at (3,0) ;
draw ([xshift=-sqrt(2)*1mm]L.west) -- ([xshift=sqrt(2)*1mm]R.west);
draw ([xshift=sqrt(2)*1mm]L.east) -- ([xshift=sqrt(2)*1mm]R.east);
endtikzpicture
enddocument


enter image description here



As you can see, there are two mild problems with this approach:



  1. it is nontrivial to control the dimensions precisely, at least for this shape;

  2. to specify the position precisely, you need to think a bit. (This is also the case in Zarko's otherwise nice answer.)

Therefore, I'd like to propose a different route, in which you to draw and fill the thing as a decoration, which also lets you name the coordinates.



documentclass[tikz,border=1mm]standalone
usetikzlibrarydecorations.pathreplacing
tikzsettrapez width/.initial=0.2cm,
my trapez/.style=decorate,decoration=
show path construction,
lineto code=filldraw
(tikzinputsegmentfirst) coordinate(#1-south west)
-- (tikzinputsegmentlast) coordinate(#1-north west)
-- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentlast)
coordinate(#1-north east)
-- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentfirst)
coordinate(#1-south east) -- cycle;


begindocument
begintikzpicture
beginscope[fill=gray,opacity=0.6]
draw[my trapez=L] (1,0) -- (4,3);
draw[my trapez=M] (2,0) -- (4,2);
draw[my trapez=R] (3,0) -- (4,1);
endscope
draw (L-north east) -- (R-north east)
(L-south west) -- (R-south east);
endtikzpicture
enddocument


enter image description here



Now you really only need to specify two coordinates, which will become precisely named coordinates.






share|improve this answer






























    2














    let me elaborate my comment:



    • for shapes, which you draw as you show in your mwe, this is not possible

    • those shapes haven't defined names nor anchors.


    • you can do this by use of coordinates for each shape corner, but this can result in quite complex code. for example for the first shape:



      draw[myshape] (0,0) coordinate (A1) -- 
      (3,3) coordinate (A2) --
      (3.2,3) coordinate (A3) --
      (0.2,0) coordinate (A4) -- cycle;


      and than draw for example



      draw (A1) -- (A3);



    • a way to simplify this code extension can be use of the small pictures: pic (for details about it see chapter 18 Pics: Small Pictures on Paths in Tikz & PGF manual, v 3.0.1a, page 251):



      documentclass[tikz,border=3mm]standalone

      begindocument
      begintikzpicture[
      pics/myshape/.style = code= % definition of your shape
      draw[fill=gray,opacity=opacity]
      ( 0.0,0) coordinate (-1) -- ++ % south west
      ( 0.2,0) coordinate (-2) -- ++ % south east
      (#1,#1) coordinate (-3) -- ++ % north east, coordinate is determined by parameter #1
      (-0.2,0) coordinate (-4) -- % north west
      cycle;
      ]
      defopacity0.6
      pic (A) [above right] at (0,0) myshape=3; % "3" is parameter which define size of shape
      pic (B) [above right] at (1,0) myshape=2;
      pic (C) [above right] at (2,0) myshape=1;
      draw[very thin, red, densely dashed]
      (A-3) -- (B-3); % instead of draw (rectangle1.north east) -- (rectangle2.north west).
      endtikzpicture
      enddocument


    • for coordinates name you can select more meaningful names. for example instead of -1 may be more appropriate -sw, which can associate you on "south west", etc.


    enter image description here






    share|improve this answer
























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      3 Answers
      3






      active

      oldest

      votes








      3 Answers
      3






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      4














      Something like this ?



      documentclass[tikz,border=1mm]standalone
      usepackagetikz
      begindocument
      newcommandopacity0.6
      begintikzpicture
      draw[xshift=1cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(A1) -- (3,3)coordinate(A2) -- (3.2,3)coordinate(A3) -- (0.2,0) coordinate(A4) -- cycle;
      draw[xshift=2cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(B1) -- (2,2)coordinate(B2) -- (2.2,2)coordinate(B3) -- (0.2,0)coordinate(B4) -- cycle;
      draw[xshift=3cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(C1) -- (1,1) coordinate(C2)-- (1.2,1)coordinate(C3) -- (0.2,0)coordinate(C4) -- cycle;

      draw(A4)--(B1);
      draw(B4)--(C1);
      draw(A3)--(B3)--(C3);

      endtikzpicture
      enddocument


      Update using a foreach loop:



      documentclass[tikz,border=1mm]standalone
      usepackagetikz
      begindocument
      newcommandopacity0.6
      begintikzpicture

      foreach xs/p/x in1/A/3,2/B/2,3/C/1
      draw[xshift=xs cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(p1)
      --(x,x)coordinate(p2)
      --(x+0.2,x)coordinate(p3)
      --(0.2,0)coordinate(p4)
      --cycle;

      draw(A4)--(B1);
      draw(B4)--(C1);
      draw(A3)--(B3)--(C3);

      endtikzpicture
      enddocument


      enter image description here






      share|improve this answer

























      • Great answer! Is it possible, that draw(A-4)--(B-1); should be draw(A4)--(B1);? The same probably also applies to the other cases.

        – Samuel
        Jan 3 at 8:40












      • @Samuel Yes it is perfectly possible! Just replace coordinate(p-1),...,coordinate(p-4) with coordinate(p1),...,coordinate(p4) . I will update my answer soon.

        – Hafid Boukhoulda
        Jan 3 at 9:11















      4














      Something like this ?



      documentclass[tikz,border=1mm]standalone
      usepackagetikz
      begindocument
      newcommandopacity0.6
      begintikzpicture
      draw[xshift=1cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(A1) -- (3,3)coordinate(A2) -- (3.2,3)coordinate(A3) -- (0.2,0) coordinate(A4) -- cycle;
      draw[xshift=2cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(B1) -- (2,2)coordinate(B2) -- (2.2,2)coordinate(B3) -- (0.2,0)coordinate(B4) -- cycle;
      draw[xshift=3cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(C1) -- (1,1) coordinate(C2)-- (1.2,1)coordinate(C3) -- (0.2,0)coordinate(C4) -- cycle;

      draw(A4)--(B1);
      draw(B4)--(C1);
      draw(A3)--(B3)--(C3);

      endtikzpicture
      enddocument


      Update using a foreach loop:



      documentclass[tikz,border=1mm]standalone
      usepackagetikz
      begindocument
      newcommandopacity0.6
      begintikzpicture

      foreach xs/p/x in1/A/3,2/B/2,3/C/1
      draw[xshift=xs cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(p1)
      --(x,x)coordinate(p2)
      --(x+0.2,x)coordinate(p3)
      --(0.2,0)coordinate(p4)
      --cycle;

      draw(A4)--(B1);
      draw(B4)--(C1);
      draw(A3)--(B3)--(C3);

      endtikzpicture
      enddocument


      enter image description here






      share|improve this answer

























      • Great answer! Is it possible, that draw(A-4)--(B-1); should be draw(A4)--(B1);? The same probably also applies to the other cases.

        – Samuel
        Jan 3 at 8:40












      • @Samuel Yes it is perfectly possible! Just replace coordinate(p-1),...,coordinate(p-4) with coordinate(p1),...,coordinate(p4) . I will update my answer soon.

        – Hafid Boukhoulda
        Jan 3 at 9:11













      4












      4








      4







      Something like this ?



      documentclass[tikz,border=1mm]standalone
      usepackagetikz
      begindocument
      newcommandopacity0.6
      begintikzpicture
      draw[xshift=1cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(A1) -- (3,3)coordinate(A2) -- (3.2,3)coordinate(A3) -- (0.2,0) coordinate(A4) -- cycle;
      draw[xshift=2cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(B1) -- (2,2)coordinate(B2) -- (2.2,2)coordinate(B3) -- (0.2,0)coordinate(B4) -- cycle;
      draw[xshift=3cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(C1) -- (1,1) coordinate(C2)-- (1.2,1)coordinate(C3) -- (0.2,0)coordinate(C4) -- cycle;

      draw(A4)--(B1);
      draw(B4)--(C1);
      draw(A3)--(B3)--(C3);

      endtikzpicture
      enddocument


      Update using a foreach loop:



      documentclass[tikz,border=1mm]standalone
      usepackagetikz
      begindocument
      newcommandopacity0.6
      begintikzpicture

      foreach xs/p/x in1/A/3,2/B/2,3/C/1
      draw[xshift=xs cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(p1)
      --(x,x)coordinate(p2)
      --(x+0.2,x)coordinate(p3)
      --(0.2,0)coordinate(p4)
      --cycle;

      draw(A4)--(B1);
      draw(B4)--(C1);
      draw(A3)--(B3)--(C3);

      endtikzpicture
      enddocument


      enter image description here






      share|improve this answer















      Something like this ?



      documentclass[tikz,border=1mm]standalone
      usepackagetikz
      begindocument
      newcommandopacity0.6
      begintikzpicture
      draw[xshift=1cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(A1) -- (3,3)coordinate(A2) -- (3.2,3)coordinate(A3) -- (0.2,0) coordinate(A4) -- cycle;
      draw[xshift=2cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(B1) -- (2,2)coordinate(B2) -- (2.2,2)coordinate(B3) -- (0.2,0)coordinate(B4) -- cycle;
      draw[xshift=3cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(C1) -- (1,1) coordinate(C2)-- (1.2,1)coordinate(C3) -- (0.2,0)coordinate(C4) -- cycle;

      draw(A4)--(B1);
      draw(B4)--(C1);
      draw(A3)--(B3)--(C3);

      endtikzpicture
      enddocument


      Update using a foreach loop:



      documentclass[tikz,border=1mm]standalone
      usepackagetikz
      begindocument
      newcommandopacity0.6
      begintikzpicture

      foreach xs/p/x in1/A/3,2/B/2,3/C/1
      draw[xshift=xs cm,fill=gray,draw=black,opacity=opacity]
      (0,0)coordinate(p1)
      --(x,x)coordinate(p2)
      --(x+0.2,x)coordinate(p3)
      --(0.2,0)coordinate(p4)
      --cycle;

      draw(A4)--(B1);
      draw(B4)--(C1);
      draw(A3)--(B3)--(C3);

      endtikzpicture
      enddocument


      enter image description here







      share|improve this answer














      share|improve this answer



      share|improve this answer








      edited Jan 3 at 9:13

























      answered Dec 30 '18 at 19:29









      Hafid BoukhouldaHafid Boukhoulda

      2,1541517




      2,1541517












      • Great answer! Is it possible, that draw(A-4)--(B-1); should be draw(A4)--(B1);? The same probably also applies to the other cases.

        – Samuel
        Jan 3 at 8:40












      • @Samuel Yes it is perfectly possible! Just replace coordinate(p-1),...,coordinate(p-4) with coordinate(p1),...,coordinate(p4) . I will update my answer soon.

        – Hafid Boukhoulda
        Jan 3 at 9:11

















      • Great answer! Is it possible, that draw(A-4)--(B-1); should be draw(A4)--(B1);? The same probably also applies to the other cases.

        – Samuel
        Jan 3 at 8:40












      • @Samuel Yes it is perfectly possible! Just replace coordinate(p-1),...,coordinate(p-4) with coordinate(p1),...,coordinate(p4) . I will update my answer soon.

        – Hafid Boukhoulda
        Jan 3 at 9:11
















      Great answer! Is it possible, that draw(A-4)--(B-1); should be draw(A4)--(B1);? The same probably also applies to the other cases.

      – Samuel
      Jan 3 at 8:40






      Great answer! Is it possible, that draw(A-4)--(B-1); should be draw(A4)--(B1);? The same probably also applies to the other cases.

      – Samuel
      Jan 3 at 8:40














      @Samuel Yes it is perfectly possible! Just replace coordinate(p-1),...,coordinate(p-4) with coordinate(p1),...,coordinate(p4) . I will update my answer soon.

      – Hafid Boukhoulda
      Jan 3 at 9:11





      @Samuel Yes it is perfectly possible! Just replace coordinate(p-1),...,coordinate(p-4) with coordinate(p1),...,coordinate(p4) . I will update my answer soon.

      – Hafid Boukhoulda
      Jan 3 at 9:11











      3














      As far as I understand your post, if two coordinates are given, the full shape is fixed. Your shape is not a rectangle, but a trapezium, and there are predefined shapes available.



      documentclass[tikz,border=3.14mm]standalone
      usetikzlibraryshapes.geometric
      begindocument
      begintikzpicture[my trapez/.style=trapezium,%inner xsep=0pt,inner ysep=0pt,
      trapezium left angle=135, trapezium right angle=45,rotate=45,
      minimum width=#1*sqrt(2)*1cm,minimum height=sqrt(2)*1mm,draw,fill=gray,
      trapezium stretches body,anchor=west]
      node[my trapez=3] (L) at (1,0) ;
      node[my trapez=2] (M) at (2,0) ;
      node[my trapez=1] (R) at (3,0) ;
      draw ([xshift=-sqrt(2)*1mm]L.west) -- ([xshift=sqrt(2)*1mm]R.west);
      draw ([xshift=sqrt(2)*1mm]L.east) -- ([xshift=sqrt(2)*1mm]R.east);
      endtikzpicture
      enddocument


      enter image description here



      As you can see, there are two mild problems with this approach:



      1. it is nontrivial to control the dimensions precisely, at least for this shape;

      2. to specify the position precisely, you need to think a bit. (This is also the case in Zarko's otherwise nice answer.)

      Therefore, I'd like to propose a different route, in which you to draw and fill the thing as a decoration, which also lets you name the coordinates.



      documentclass[tikz,border=1mm]standalone
      usetikzlibrarydecorations.pathreplacing
      tikzsettrapez width/.initial=0.2cm,
      my trapez/.style=decorate,decoration=
      show path construction,
      lineto code=filldraw
      (tikzinputsegmentfirst) coordinate(#1-south west)
      -- (tikzinputsegmentlast) coordinate(#1-north west)
      -- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentlast)
      coordinate(#1-north east)
      -- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentfirst)
      coordinate(#1-south east) -- cycle;


      begindocument
      begintikzpicture
      beginscope[fill=gray,opacity=0.6]
      draw[my trapez=L] (1,0) -- (4,3);
      draw[my trapez=M] (2,0) -- (4,2);
      draw[my trapez=R] (3,0) -- (4,1);
      endscope
      draw (L-north east) -- (R-north east)
      (L-south west) -- (R-south east);
      endtikzpicture
      enddocument


      enter image description here



      Now you really only need to specify two coordinates, which will become precisely named coordinates.






      share|improve this answer



























        3














        As far as I understand your post, if two coordinates are given, the full shape is fixed. Your shape is not a rectangle, but a trapezium, and there are predefined shapes available.



        documentclass[tikz,border=3.14mm]standalone
        usetikzlibraryshapes.geometric
        begindocument
        begintikzpicture[my trapez/.style=trapezium,%inner xsep=0pt,inner ysep=0pt,
        trapezium left angle=135, trapezium right angle=45,rotate=45,
        minimum width=#1*sqrt(2)*1cm,minimum height=sqrt(2)*1mm,draw,fill=gray,
        trapezium stretches body,anchor=west]
        node[my trapez=3] (L) at (1,0) ;
        node[my trapez=2] (M) at (2,0) ;
        node[my trapez=1] (R) at (3,0) ;
        draw ([xshift=-sqrt(2)*1mm]L.west) -- ([xshift=sqrt(2)*1mm]R.west);
        draw ([xshift=sqrt(2)*1mm]L.east) -- ([xshift=sqrt(2)*1mm]R.east);
        endtikzpicture
        enddocument


        enter image description here



        As you can see, there are two mild problems with this approach:



        1. it is nontrivial to control the dimensions precisely, at least for this shape;

        2. to specify the position precisely, you need to think a bit. (This is also the case in Zarko's otherwise nice answer.)

        Therefore, I'd like to propose a different route, in which you to draw and fill the thing as a decoration, which also lets you name the coordinates.



        documentclass[tikz,border=1mm]standalone
        usetikzlibrarydecorations.pathreplacing
        tikzsettrapez width/.initial=0.2cm,
        my trapez/.style=decorate,decoration=
        show path construction,
        lineto code=filldraw
        (tikzinputsegmentfirst) coordinate(#1-south west)
        -- (tikzinputsegmentlast) coordinate(#1-north west)
        -- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentlast)
        coordinate(#1-north east)
        -- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentfirst)
        coordinate(#1-south east) -- cycle;


        begindocument
        begintikzpicture
        beginscope[fill=gray,opacity=0.6]
        draw[my trapez=L] (1,0) -- (4,3);
        draw[my trapez=M] (2,0) -- (4,2);
        draw[my trapez=R] (3,0) -- (4,1);
        endscope
        draw (L-north east) -- (R-north east)
        (L-south west) -- (R-south east);
        endtikzpicture
        enddocument


        enter image description here



        Now you really only need to specify two coordinates, which will become precisely named coordinates.






        share|improve this answer

























          3












          3








          3







          As far as I understand your post, if two coordinates are given, the full shape is fixed. Your shape is not a rectangle, but a trapezium, and there are predefined shapes available.



          documentclass[tikz,border=3.14mm]standalone
          usetikzlibraryshapes.geometric
          begindocument
          begintikzpicture[my trapez/.style=trapezium,%inner xsep=0pt,inner ysep=0pt,
          trapezium left angle=135, trapezium right angle=45,rotate=45,
          minimum width=#1*sqrt(2)*1cm,minimum height=sqrt(2)*1mm,draw,fill=gray,
          trapezium stretches body,anchor=west]
          node[my trapez=3] (L) at (1,0) ;
          node[my trapez=2] (M) at (2,0) ;
          node[my trapez=1] (R) at (3,0) ;
          draw ([xshift=-sqrt(2)*1mm]L.west) -- ([xshift=sqrt(2)*1mm]R.west);
          draw ([xshift=sqrt(2)*1mm]L.east) -- ([xshift=sqrt(2)*1mm]R.east);
          endtikzpicture
          enddocument


          enter image description here



          As you can see, there are two mild problems with this approach:



          1. it is nontrivial to control the dimensions precisely, at least for this shape;

          2. to specify the position precisely, you need to think a bit. (This is also the case in Zarko's otherwise nice answer.)

          Therefore, I'd like to propose a different route, in which you to draw and fill the thing as a decoration, which also lets you name the coordinates.



          documentclass[tikz,border=1mm]standalone
          usetikzlibrarydecorations.pathreplacing
          tikzsettrapez width/.initial=0.2cm,
          my trapez/.style=decorate,decoration=
          show path construction,
          lineto code=filldraw
          (tikzinputsegmentfirst) coordinate(#1-south west)
          -- (tikzinputsegmentlast) coordinate(#1-north west)
          -- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentlast)
          coordinate(#1-north east)
          -- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentfirst)
          coordinate(#1-south east) -- cycle;


          begindocument
          begintikzpicture
          beginscope[fill=gray,opacity=0.6]
          draw[my trapez=L] (1,0) -- (4,3);
          draw[my trapez=M] (2,0) -- (4,2);
          draw[my trapez=R] (3,0) -- (4,1);
          endscope
          draw (L-north east) -- (R-north east)
          (L-south west) -- (R-south east);
          endtikzpicture
          enddocument


          enter image description here



          Now you really only need to specify two coordinates, which will become precisely named coordinates.






          share|improve this answer













          As far as I understand your post, if two coordinates are given, the full shape is fixed. Your shape is not a rectangle, but a trapezium, and there are predefined shapes available.



          documentclass[tikz,border=3.14mm]standalone
          usetikzlibraryshapes.geometric
          begindocument
          begintikzpicture[my trapez/.style=trapezium,%inner xsep=0pt,inner ysep=0pt,
          trapezium left angle=135, trapezium right angle=45,rotate=45,
          minimum width=#1*sqrt(2)*1cm,minimum height=sqrt(2)*1mm,draw,fill=gray,
          trapezium stretches body,anchor=west]
          node[my trapez=3] (L) at (1,0) ;
          node[my trapez=2] (M) at (2,0) ;
          node[my trapez=1] (R) at (3,0) ;
          draw ([xshift=-sqrt(2)*1mm]L.west) -- ([xshift=sqrt(2)*1mm]R.west);
          draw ([xshift=sqrt(2)*1mm]L.east) -- ([xshift=sqrt(2)*1mm]R.east);
          endtikzpicture
          enddocument


          enter image description here



          As you can see, there are two mild problems with this approach:



          1. it is nontrivial to control the dimensions precisely, at least for this shape;

          2. to specify the position precisely, you need to think a bit. (This is also the case in Zarko's otherwise nice answer.)

          Therefore, I'd like to propose a different route, in which you to draw and fill the thing as a decoration, which also lets you name the coordinates.



          documentclass[tikz,border=1mm]standalone
          usetikzlibrarydecorations.pathreplacing
          tikzsettrapez width/.initial=0.2cm,
          my trapez/.style=decorate,decoration=
          show path construction,
          lineto code=filldraw
          (tikzinputsegmentfirst) coordinate(#1-south west)
          -- (tikzinputsegmentlast) coordinate(#1-north west)
          -- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentlast)
          coordinate(#1-north east)
          -- ([xshift=pgfkeysvalueof/tikz/trapez width]tikzinputsegmentfirst)
          coordinate(#1-south east) -- cycle;


          begindocument
          begintikzpicture
          beginscope[fill=gray,opacity=0.6]
          draw[my trapez=L] (1,0) -- (4,3);
          draw[my trapez=M] (2,0) -- (4,2);
          draw[my trapez=R] (3,0) -- (4,1);
          endscope
          draw (L-north east) -- (R-north east)
          (L-south west) -- (R-south east);
          endtikzpicture
          enddocument


          enter image description here



          Now you really only need to specify two coordinates, which will become precisely named coordinates.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Dec 30 '18 at 23:08









          marmotmarmot

          90.9k4104196




          90.9k4104196





















              2














              let me elaborate my comment:



              • for shapes, which you draw as you show in your mwe, this is not possible

              • those shapes haven't defined names nor anchors.


              • you can do this by use of coordinates for each shape corner, but this can result in quite complex code. for example for the first shape:



                draw[myshape] (0,0) coordinate (A1) -- 
                (3,3) coordinate (A2) --
                (3.2,3) coordinate (A3) --
                (0.2,0) coordinate (A4) -- cycle;


                and than draw for example



                draw (A1) -- (A3);



              • a way to simplify this code extension can be use of the small pictures: pic (for details about it see chapter 18 Pics: Small Pictures on Paths in Tikz & PGF manual, v 3.0.1a, page 251):



                documentclass[tikz,border=3mm]standalone

                begindocument
                begintikzpicture[
                pics/myshape/.style = code= % definition of your shape
                draw[fill=gray,opacity=opacity]
                ( 0.0,0) coordinate (-1) -- ++ % south west
                ( 0.2,0) coordinate (-2) -- ++ % south east
                (#1,#1) coordinate (-3) -- ++ % north east, coordinate is determined by parameter #1
                (-0.2,0) coordinate (-4) -- % north west
                cycle;
                ]
                defopacity0.6
                pic (A) [above right] at (0,0) myshape=3; % "3" is parameter which define size of shape
                pic (B) [above right] at (1,0) myshape=2;
                pic (C) [above right] at (2,0) myshape=1;
                draw[very thin, red, densely dashed]
                (A-3) -- (B-3); % instead of draw (rectangle1.north east) -- (rectangle2.north west).
                endtikzpicture
                enddocument


              • for coordinates name you can select more meaningful names. for example instead of -1 may be more appropriate -sw, which can associate you on "south west", etc.


              enter image description here






              share|improve this answer





























                2














                let me elaborate my comment:



                • for shapes, which you draw as you show in your mwe, this is not possible

                • those shapes haven't defined names nor anchors.


                • you can do this by use of coordinates for each shape corner, but this can result in quite complex code. for example for the first shape:



                  draw[myshape] (0,0) coordinate (A1) -- 
                  (3,3) coordinate (A2) --
                  (3.2,3) coordinate (A3) --
                  (0.2,0) coordinate (A4) -- cycle;


                  and than draw for example



                  draw (A1) -- (A3);



                • a way to simplify this code extension can be use of the small pictures: pic (for details about it see chapter 18 Pics: Small Pictures on Paths in Tikz & PGF manual, v 3.0.1a, page 251):



                  documentclass[tikz,border=3mm]standalone

                  begindocument
                  begintikzpicture[
                  pics/myshape/.style = code= % definition of your shape
                  draw[fill=gray,opacity=opacity]
                  ( 0.0,0) coordinate (-1) -- ++ % south west
                  ( 0.2,0) coordinate (-2) -- ++ % south east
                  (#1,#1) coordinate (-3) -- ++ % north east, coordinate is determined by parameter #1
                  (-0.2,0) coordinate (-4) -- % north west
                  cycle;
                  ]
                  defopacity0.6
                  pic (A) [above right] at (0,0) myshape=3; % "3" is parameter which define size of shape
                  pic (B) [above right] at (1,0) myshape=2;
                  pic (C) [above right] at (2,0) myshape=1;
                  draw[very thin, red, densely dashed]
                  (A-3) -- (B-3); % instead of draw (rectangle1.north east) -- (rectangle2.north west).
                  endtikzpicture
                  enddocument


                • for coordinates name you can select more meaningful names. for example instead of -1 may be more appropriate -sw, which can associate you on "south west", etc.


                enter image description here






                share|improve this answer



























                  2












                  2








                  2







                  let me elaborate my comment:



                  • for shapes, which you draw as you show in your mwe, this is not possible

                  • those shapes haven't defined names nor anchors.


                  • you can do this by use of coordinates for each shape corner, but this can result in quite complex code. for example for the first shape:



                    draw[myshape] (0,0) coordinate (A1) -- 
                    (3,3) coordinate (A2) --
                    (3.2,3) coordinate (A3) --
                    (0.2,0) coordinate (A4) -- cycle;


                    and than draw for example



                    draw (A1) -- (A3);



                  • a way to simplify this code extension can be use of the small pictures: pic (for details about it see chapter 18 Pics: Small Pictures on Paths in Tikz & PGF manual, v 3.0.1a, page 251):



                    documentclass[tikz,border=3mm]standalone

                    begindocument
                    begintikzpicture[
                    pics/myshape/.style = code= % definition of your shape
                    draw[fill=gray,opacity=opacity]
                    ( 0.0,0) coordinate (-1) -- ++ % south west
                    ( 0.2,0) coordinate (-2) -- ++ % south east
                    (#1,#1) coordinate (-3) -- ++ % north east, coordinate is determined by parameter #1
                    (-0.2,0) coordinate (-4) -- % north west
                    cycle;
                    ]
                    defopacity0.6
                    pic (A) [above right] at (0,0) myshape=3; % "3" is parameter which define size of shape
                    pic (B) [above right] at (1,0) myshape=2;
                    pic (C) [above right] at (2,0) myshape=1;
                    draw[very thin, red, densely dashed]
                    (A-3) -- (B-3); % instead of draw (rectangle1.north east) -- (rectangle2.north west).
                    endtikzpicture
                    enddocument


                  • for coordinates name you can select more meaningful names. for example instead of -1 may be more appropriate -sw, which can associate you on "south west", etc.


                  enter image description here






                  share|improve this answer















                  let me elaborate my comment:



                  • for shapes, which you draw as you show in your mwe, this is not possible

                  • those shapes haven't defined names nor anchors.


                  • you can do this by use of coordinates for each shape corner, but this can result in quite complex code. for example for the first shape:



                    draw[myshape] (0,0) coordinate (A1) -- 
                    (3,3) coordinate (A2) --
                    (3.2,3) coordinate (A3) --
                    (0.2,0) coordinate (A4) -- cycle;


                    and than draw for example



                    draw (A1) -- (A3);



                  • a way to simplify this code extension can be use of the small pictures: pic (for details about it see chapter 18 Pics: Small Pictures on Paths in Tikz & PGF manual, v 3.0.1a, page 251):



                    documentclass[tikz,border=3mm]standalone

                    begindocument
                    begintikzpicture[
                    pics/myshape/.style = code= % definition of your shape
                    draw[fill=gray,opacity=opacity]
                    ( 0.0,0) coordinate (-1) -- ++ % south west
                    ( 0.2,0) coordinate (-2) -- ++ % south east
                    (#1,#1) coordinate (-3) -- ++ % north east, coordinate is determined by parameter #1
                    (-0.2,0) coordinate (-4) -- % north west
                    cycle;
                    ]
                    defopacity0.6
                    pic (A) [above right] at (0,0) myshape=3; % "3" is parameter which define size of shape
                    pic (B) [above right] at (1,0) myshape=2;
                    pic (C) [above right] at (2,0) myshape=1;
                    draw[very thin, red, densely dashed]
                    (A-3) -- (B-3); % instead of draw (rectangle1.north east) -- (rectangle2.north west).
                    endtikzpicture
                    enddocument


                  • for coordinates name you can select more meaningful names. for example instead of -1 may be more appropriate -sw, which can associate you on "south west", etc.


                  enter image description here







                  share|improve this answer














                  share|improve this answer



                  share|improve this answer








                  edited Dec 30 '18 at 22:37

























                  answered Dec 30 '18 at 21:12









                  ZarkoZarko

                  122k865158




                  122k865158



























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