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#!/usr/bin/python
#iges2png.py input.iges output.png
#leaves behind: output.png, output.png.pov, output.png.pov.inc
import sys, os
from OCC.Utils.DataExchange.IGES import IGESImporter
from OCC.Utils.DataExchange.STL import STLExporter
from OCC.BRepPrimAPI import *
from OCC.StlAPI import *
import skdb.thirdparty.optfunc as optfunc
#http://freshmeat.net/projects/stl2pov/
#http://www.xs4all.nl/~rsmith/software/stl2pov-2.4.3.tar.gz
def iges2png(iges_file, png_file):
'''usage: %prog <iges_file> <png_file>
converts from IGES to PNG
stuff it leaves behind:
input.iges.stl
input.iges.pov
input.iges.pov.inc
output.png'''
print "iges2png: loading iges file."
my_iges_importer = IGESImporter(iges_file)
my_iges_importer.ReadFile()
the_shapes = my_iges_importer.GetShapes()
main_shape = the_shapes[0]
print "iges2png: saving iges as stl."
stl_exp = StlAPI()
stl_exp.Write(main_shape, iges_file + ".stl")
print "iges2png: converting stl to pov"
stl2pov(iges_file + ".stl", iges_file + ".pov")
print "iges2png: converting pov to png"
pov2png(iges_file + ".pov", png_file)
print "iges2png: done"
def stl2pov(stl_file, pov_file):
'''usage: stl2pov.py input.stl output.pov
makes both output.pov and output.pov.inc'''
os.system("stl2pov -s %s > %s.inc" % (stl_file, pov_file))
pov_template = '''#include "%s.inc"
background{color rgb 1 }
object{ m_facet
rotate 90*x
texture{ pigment{ color rgb <1,0.5,0> }
finish { ambient 0.15
diffuse 0.85
specular 0.3 } } }
light_source { <-20,100,20> color rgb 2}
camera {
perspective
angle 0
right x*image_width/image_height
location <-100,50,10>
look_at y
}''' % (pov_file)
pov_file = open(pov_file, "w")
pov_file.write(pov_template)
pov_file.close()
def pov2png(pov_file, png_file):
'''usage: %prog <pov_file> <png_file>
converts from pov to a png file'''
print "pov2png: starting"
print "pov_file is: ", pov_file
print "png_file is: ", png_file
os.system("povray -d %s +O%s" % (pov_file, png_file))
print "pov2png: done"
if __name__ == "__main__":
optfunc.run(iges2png)
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