Python SVG

1. import drawSvg as draw
   
2. 
   
3. d = draw.Drawing(200, 100, origin='center', displayInline=False)
   
4. 
   
5. # Draw an irregular polygon
   
6. d.append(draw.Lines(-80, -45,
   
7.                     70, -49,
   
8.                     95, 49,
   
9.                     -90, 40,
   
10.                     close=False,
    
11.             fill='#eeee00',
    
12.             stroke='black'))
    
13. 
    
14. # Draw a rectangle
    
15. r = draw.Rectangle(-80,0,40,50, fill='#1248ff')
    
16. r.appendTitle("Our first rectangle")  # Add a tooltip
    
17. d.append(r)
    
18. 
    
19. # Draw a circle
    
20. d.append(draw.Circle(-40, -10, 30,
    
21.             fill='red', stroke_width=2, stroke='black'))
    
22. 
    
23. # Draw an arbitrary path (a triangle in this case)
    
24. p = draw.Path(stroke_width=2, stroke='lime',
    
25.               fill='black', fill_opacity=0.2)
    
26. p.M(-10, 20)  # Start path at point (-10, 20)
    
27. p.C(30, -10, 30, 50, 70, 20)  # Draw a curve to (70, 20)
    
28. d.append(p)
    
29. 
    
30. # Draw text
    
31. d.append(draw.Text('Basic text', 8, -10, 35, fill='blue'))  # Text with font size 8
    
32. d.append(draw.Text('Path text', 8, path=p, text_anchor='start', valign='middle'))
    
33. d.append(draw.Text(['Multi-line', 'text'], 8, path=p, text_anchor='end'))
    
34. 
    
35. # Draw multiple circular arcs
    
36. d.append(draw.ArcLine(60,-20,20,60,270,
    
37.             stroke='red', stroke_width=5, fill='red', fill_opacity=0.2))
    
38. d.append(draw.Arc(60,-20,20,60,270,cw=False,
    
39.             stroke='green', stroke_width=3, fill='none'))
    
40. d.append(draw.Arc(60,-20,20,270,60,cw=True,
    
41.             stroke='blue', stroke_width=1, fill='black', fill_opacity=0.3))
    
42. 
    
43. # Draw arrows
    
44. arrow = draw.Marker(-0.1, -0.5, 0.9, 0.5, scale=4, orient='auto')
    
45. arrow.append(draw.Lines(-0.1, -0.5, -0.1, 0.5, 0.9, 0, fill='red', close=True))
    
46. p = draw.Path(stroke='red', stroke_width=2, fill='none',
    
47.               marker_end=arrow)  # Add an arrow to the end of a path
    
48. p.M(20, -40).L(20, -27).L(0, -20)  # Chain multiple path operations
    
49. d.append(p)
    
50. d.append(draw.Line(30, -20, 0, -10,
    
51.             stroke='red', stroke_width=2, fill='none',
    
52.             marker_end=arrow))  # Add an arrow to the end of a line
    
53. 
    
54. d.setPixelScale(2)  # Set number of pixels per geometry unit
    
55. #d.setRenderSize(400,200)  # Alternative to setPixelScale
    
56. d.saveSvg('example.svg')
    
57. d.savePng('example.png')
    
58. 
    
59. # Display in Jupyter notebook
    
60. d.rasterize()  # Display as PNG
    
61. d  # Display as SVG

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