46 lines
1.0 KiB
Python
Executable File
46 lines
1.0 KiB
Python
Executable File
#!/usr/bin/python
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import sys
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import math
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f = open(sys.argv[1])
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lines = [x.split() for x in f]
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f.close()
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res = int(sys.argv[2]) # pixel per unit
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data = {(round(float(l[0])*res), round(float(l[1])*res)) : float(l[5]) for l in lines}
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data[(0,0)] = 2.0
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xmin = min([p[0] for p in data.keys()])
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xmax = max([p[0] for p in data.keys()])
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ymin = min([p[1] for p in data.keys()])
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ymax = max([p[1] for p in data.keys()])
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yrange=max([-ymin,ymax])
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print("P3")
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print("{dx:d} {dy:d}".format(dx=xmax-xmin+1, dy=2*yrange+1))
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print("255")
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for i in range(-yrange,yrange+1):
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for j in range(xmin,xmax+1):
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x = j
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y = i if i >= ymin and i <= ymax else -i
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if not (x,y) in data:
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value = 0
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else:
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value = data[(x,y)]-1
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value = 0 if value < 0 else 1 if value > 1 else value
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r = round(255*value**0.5)
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g = round(255*(value)**3)
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b = round(255*(math.sin(2*math.pi*value)))
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r = 0 if r < 0 else 255 if r > 255 else r
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g = 0 if g < 0 else 255 if g > 255 else g
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b = 0 if b < 0 else 255 if b > 255 else b
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print("%d %d %d" % (r,g,b))
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