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# Copyright Contributors to the OpenVDB Project
# SPDX-License-Identifier: MPL-2.0
# Startup script to set the visibility of (and otherwise customize)
# open-source (ASWF) OpenVDB nodes and their native Houdini equivalents
#
# To be installed as <dir>/python2.7libs/pythonrc.py,
# where <dir> is a path in $HOUDINI_PATH.
import hou
import os
# Construct a mapping from ASWF SOP names to names of equivalent
# native Houdini SOPs.
sopcategory = hou.sopNodeTypeCategory()
namemap = {}
for name, sop in sopcategory.nodeTypes().items():
try:
nativename = sop.spareData('nativename')
if nativename:
namemap[name] = nativename
except AttributeError:
pass
# Print the list of correspondences.
#from pprint import pprint
#pprint(namemap)
# Determine which VDB SOPs should be visible in the Tab menu:
# - If $OPENVDB_OPHIDE_POLICY is set to 'aswf', hide AWSF SOPs for which
# a native Houdini equivalent exists.
# - If $OPENVDB_OPHIDE_POLICY is set to 'native', hide native Houdini SOPs
# for which an ASWF equivalent exists.
# - Otherwise, show both the ASWF and the native SOPs.
names = []
ophide = os.getenv('OPENVDB_OPHIDE_POLICY', 'none').strip().lower()
if ophide == 'aswf':
names = namemap.keys()
elif ophide == 'native':
names = namemap.values()
for name in names:
sop = sopcategory.nodeType(name)
if sop:
sop.setHidden(True)
# Customize SOP visibility with code like the following:
#
# # Hide the ASWF Clip SOP.
# sopcategory.nodeType('DW_OpenVDBClip').setHidden(True)
#
# # Show the native VDB Clip SOP.
# sopcategory.nodeType('vdbclip').setHidden(False)
#
# # Hide all ASWF advection SOPs for which a native equivalent exists.
# for name in namemap.keys():
# if 'Advect' in name:
# sopcategory.nodeType(name).setHidden(True)
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