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rendering.py
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rendering.py
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import os
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("-i", "--input", type=str, default="scenes/simple_sphere/simple_sphere.xml", help="Input scene filepath (.xml)")
parser.add_argument("-o", "--output", type=str, default="rendered.jpg", help="Output image filepath (.jpg, .png)")
parser.add_argument("-m", "--mode", type=str, default="scalar_rgb", help="Rendering mode (scalar_rgb or gpu_rgb)")
args = parser.parse_args()
import mitsuba
mitsuba.set_variant(args.mode)
from mitsuba.core import Bitmap, Struct, Thread
from mitsuba.core.xml import load_file
from mitsuba.render import register_bsdf
from custom_bsdf.measuredbtf import MeasuredBTF
def main():
# Register MeasuredBTF
register_bsdf('measuredbtf', lambda props: MeasuredBTF(props))
# Filename
filename_src = args.input
filename_dst = args.output
# Load an XML file
Thread.thread().file_resolver().append(os.path.dirname(filename_src))
scene = load_file(filename_src)
# Rendering
scene.integrator().render(scene, scene.sensors()[0])
# Save image
film = scene.sensors()[0].film()
bmp = film.bitmap(raw=True)
bmp.convert(Bitmap.PixelFormat.RGB, Struct.Type.UInt8, srgb_gamma=True).write(filename_dst)
if __name__=="__main__":
main()