In this example we demonstrate how to switch materials.
Execute in the BlenderProc main directory:
blenderproc run examples/advanced/material_randomizer/main.py examples/resources/scene.obj examples/advanced/material_randomizer/output
examples/advanced/material_randomizer/main.py
: path to the main python file to run.examples/resources/scene.obj
: path to the object file with the basic scene.examples/advanced/material_randomizer/output
: path to the output directory.
Visualize the generated data:
blenderproc vis hdf5 examples/advanced/material_randomizer/output/*.hdf5
# Collect all materials
materials = bproc.material.collect_all()
# Go through all objects
for obj in objs:
# For each material of the object
for i in range(len(obj.get_materials())):
# In 50% of all cases
if np.random.uniform(0, 1) <= 0.5:
# Replace the material with a random one
obj.set_material(i, random.choice(materials))
Collect all materials that were previously loaded. For each object replace their materials with a chance of 50% with one of the collected materials.