Back to main page
Back to draw contents

This section shows how to use the basic geometric shapes: polygon, rectangle and ellipse.

Some polygons, rectangles and ellipses.

draw2d(fill_color = "sea-green", /* use doble quotes when you need the - symbol */
       color      = aquamarine,  /* border color; double quotes aren't needed here */
       line_width = 6,
           polygon([[1,1],[3,0],[4,5],[0,3]]),

       transparent = true,
       line_type   = dots,
       color       = "dark-yellow",
           polygon([4,5,7],[6,4,2]),

       line_type   = solid,
       transparent = false,
       fill_color  = violet,
           rectangle([-2,-2],[8,-1]),   /* opposite vertices */

       transparent = true,
       color       = "dark-goldenrod",
       line_width  = 1,
           rectangle([9,4],[2,-1.5]),

       transparent = false,
       fill_color  = grey80,
       line_width  = 2,
           ellipse(0,6,3,2,270,-270),  /* center (x,y), a, b, start & end in degrees */

       transparent = true,
       color       = "NaVy",  /* down-upper case doesn't matter */
       line_width  = 3,
           ellipse(7,6,2,3,30,-90),

       xrange      = [-3,10],
       yrange      = [-3,9] )$

Labels and drawings in 2d.

draw2d(/* the text */
       color           = blue,
       label_alignment = left,
         label(["En un lugar de la Mancha,",0,5]),
         label(["de cuyo nombre no quiero acordarme,",0,4]),
         label(["no ha mucho tiempo vivia",0,3]),
         label(["un hidalgo ...",0,2]),

       /* the author */
       label_orientation = vertical,
       label_alignment   = center,
       color             = green,
         label(["Don Miguel de Cervantes",-1,3.5]),

       /* lance */
       head_type  = nofilled,
       head_angle = 30,
       color      = red,
         vector([-5,-1],[0,8]),

       /* arms and legs */
       color         = green,
       points_joined = true,
       point_size    = 0,
         points([[-10,-1],[-9,2],[-8,-1]]),
         points([[-9,5],[-9,5.1]]),
         points([[-8,4],[-5,5]]),
         points([[-10,4],[-11,3],[-10,2.5],[-10.2,2.3]]),

       /* body */
       fill_color = red,
         rectangle([-10,5],[-8,1.8]),

       /* head */
       transparent = true,
         ellipse(-9,6.1,1,1,0,360),

       /* eyes */
       point_type    = 7,
       points_joined = false,
       point_size    = 3,
         points([[-9.5,6.2],[-8.5,6.2]]),

       /* nose and mouth */
       point_size    = 0,
       points_joined = true,
         points([[-9,6.2],[-9,5.8]]),
         ellipse(-9,5.8,0.5,0.5,225,90),

       /* hat */
       transparent = false,
       fill_color  = black,
       border      = false,
         ellipse(-9,7.1,0.8,0.2,0,360),
       color       = black,
       line_width = 2,
         points([[-9,7.3],[-9,7.4]]),

       /* global settings */
       xrange   = [-12,10],
       yrange   = [-2,8],
       terminal = png)$

Back to main page
Back to draw contents