def loadMesh(filename):
ext = filename[filename.rfind('.'):].lower()
if ext == '.stl':
return stl.stlModel().load(filename)
if ext == '.obj':
return obj.objModel().load(filename)
print 'Error: Unknown model extension: %s' % (ext)
return None
def main():
modelList = []
col = [1, 1, 1]
for arg in sys.argv[1:]:
if arg[:2] == '-c':
col = map(float, arg[2:].split(','))
else:
m = stl.stlModel().load(arg)
m.color = col
modelList.append(m)
minV = numpy.array([100000, 100000, 100000])
maxV = numpy.array([-100000, -100000, -100000])
for m in modelList:
m.getMinimumZ()
minV = numpy.array(map(min, m.getMinimum(), minV))
maxV = numpy.array(map(max, m.getMaximum(), maxV))
for m in modelList:
m.vertexes -= numpy.array([
minV[0] + (maxV[0] - minV[0]) / 2,
minV[1] + (maxV[1] - minV[1]) / 2, minV[2]
])
m.getMinimumZ()
size = numpy.max(maxV - minV)
lightPosition = numpy.array([size * -4, size * -3, size * 2])
lightPosition2 = numpy.array([size * -3, size * 4, size * 3])
viewPoint = numpy.array([size * -1.6, size * -1.9, size * 1.3])
viewCenter = (m.getMaximum() - m.getMinimum()) / 2
viewCenter[2] *= 0.6
f = open("export.pov", "w")
f.write("#include \"colors.inc\"\n")
f.write("camera { location %s look_at %s angle 48 }\n" %
(v2str(viewPoint), v2str(viewCenter)))
for m in modelList:
f.write("mesh {\n")
for idx in xrange(0, m.vertexCount, 3):
f.write("triangle { %s, %s, %s }\n" %
(v2str(m.vertexes[idx]), v2str(
m.vertexes[idx + 1]), v2str(m.vertexes[idx + 2])))
f.write(
"texture { pigment { color rgb%s } finish { phong 0.2 ambient 0.3 } } } "
% (v2str(m.color)))
f.write(
"#declare redBulb = sphere { <0,0,0>, 10 texture {pigment{color Red} finish {ambient .8 diffuse .6}} }"
)
#f.write("plane { <0, 1, 0>, 0 pigment { color Blue } finish { reflection {0.3 falloff 10 fresnel} ambient 0.3 diffuse 0.3 } }");
#f.write("plane { <0, 1, 0>, 0 pigment { color Blue } finish { reflection {0.3 falloff 2} ambient 0.3 diffuse 0.3 } }");
f.write("""
#declare BlurAmount = .2; // Amount of blurring
#declare BlurSamples = 10; // How many rays to shoot
plane { <0, 1, 0>, 0 texture
{ average texture_map
{ #declare Ind = 0;
#declare S = seed(0);
#while(Ind < BlurSamples)
[1 // The pigment of the object:
pigment { color Blue }
// The surface finish:
finish { reflection {0.3 falloff 2} ambient 0.3 diffuse 0.3 }
// This is the actual trick:
normal
{ bumps BlurAmount
translate <rand(S),rand(S),rand(S)>*100
scale 1000
}
]
#declare Ind = Ind+1;
#end
}
}
}
""")
f.write(
"light_source { %s color rgb <1.0,1.0,1.0> adaptive 1 jitter looks_like { redBulb } }"
% (v2str(lightPosition)))
f.write(
"light_source { %s color rgb <0.5,0.5,0.5> adaptive 1 jitter looks_like { redBulb } }"
% (v2str(lightPosition2)))
f.close()
#Render and display the image:
os.system("povray +A +H480 +W640 +P export.pov")
def main():
modelList = []
col = [1,1,1]
for arg in sys.argv[1:]:
if arg[:2] == '-c':
col = map(float, arg[2:].split(','))
else:
m = stl.stlModel().load(arg)
m.color = col
modelList.append(m)
minV = numpy.array([100000,100000,100000])
maxV = numpy.array([-100000,-100000,-100000])
for m in modelList:
m.getMinimumZ()
minV = numpy.array(map(min, m.getMinimum(), minV))
maxV = numpy.array(map(max, m.getMaximum(), maxV))
for m in modelList:
m.vertexes -= numpy.array([minV[0] + (maxV[0] - minV[0]) / 2, minV[1] + (maxV[1] - minV[1]) / 2, minV[2]])
m.getMinimumZ()
size = numpy.max(maxV - minV)
lightPosition = numpy.array([size * -4, size * -3, size * 2])
lightPosition2 = numpy.array([size * -3, size * 4, size * 3])
viewPoint = numpy.array([size * -1.6,size * -1.9,size*1.3])
viewCenter = (m.getMaximum() - m.getMinimum()) / 2
viewCenter[2] *= 0.6
f = open("export.pov", "w")
f.write("#include \"colors.inc\"\n")
f.write("camera { location %s look_at %s angle 48 }\n" % (v2str(viewPoint), v2str(viewCenter)))
for m in modelList:
f.write("mesh {\n")
for idx in xrange(0, m.vertexCount, 3):
f.write("triangle { %s, %s, %s }\n" % (v2str(m.vertexes[idx]), v2str(m.vertexes[idx+1]), v2str(m.vertexes[idx+2])))
f.write("texture { pigment { color rgb%s } finish { phong 0.2 ambient 0.3 } } } " % (v2str(m.color)))
f.write("#declare redBulb = sphere { <0,0,0>, 10 texture {pigment{color Red} finish {ambient .8 diffuse .6}} }");
#f.write("plane { <0, 1, 0>, 0 pigment { color Blue } finish { reflection {0.3 falloff 10 fresnel} ambient 0.3 diffuse 0.3 } }");
#f.write("plane { <0, 1, 0>, 0 pigment { color Blue } finish { reflection {0.3 falloff 2} ambient 0.3 diffuse 0.3 } }");
f.write("""
#declare BlurAmount = .2; // Amount of blurring
#declare BlurSamples = 10; // How many rays to shoot
plane { <0, 1, 0>, 0 texture
{ average texture_map
{ #declare Ind = 0;
#declare S = seed(0);
#while(Ind < BlurSamples)
[1 // The pigment of the object:
pigment { color Blue }
// The surface finish:
finish { reflection {0.3 falloff 2} ambient 0.3 diffuse 0.3 }
// This is the actual trick:
normal
{ bumps BlurAmount
translate <rand(S),rand(S),rand(S)>*100
scale 1000
}
]
#declare Ind = Ind+1;
#end
}
}
}
""");
f.write("light_source { %s color rgb <1.0,1.0,1.0> adaptive 1 jitter looks_like { redBulb } }" % (v2str(lightPosition)));
f.write("light_source { %s color rgb <0.5,0.5,0.5> adaptive 1 jitter looks_like { redBulb } }" % (v2str(lightPosition2)));
f.close()
#Render and display the image:
os.system("povray +A +H480 +W640 +P export.pov")