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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ##### END GPL LICENSE BLOCK #####
header = '''
digraph ancestors {
graph [fontsize=30 labelloc="t" label="" splines=false overlap=true, rankdir=BT];
ratio = "auto" ;
'''
footer = '''
}
'''
def compat_str(text):
text = text.replace("\n", "\\n")
text = text.replace('"', '\\"')
return text
def graph_armature(obj, path):
file = open("/tmp/test.dot", "w")
fw = file.write
fw(header)
fw('label = "%s::%s" ;' % (bpy.data.filename.split("/")[-1].split("\\")[-1], obj.name))
arm = obj.data
for bone in arm.bones:
label = [bone.name]
for key, value in obj.pose.bones[bone.name].items():
if key.startswith("_"):
continue
if type(value) == float:
value = "%.3f" % value
elif type(value) == str:
value = compat_str(value)
label.append("%s = %s" % (key, value))
opts = ["shape=box", "regular=1", "style=filled", "fillcolor=white", 'width="2.33"', 'height="0.35"', "fixedsize=false", 'label="%s"' % ("\\n".join(label))]
fw('"%s" [%s];\n' % (bone.name, ','.join(opts)))
for bone in arm.bones:
parent = bone.parent
if parent:
opts = ["dir=forward", "weight=2", "arrowhead=normal"]
if not bone.connected:
opts.append("style=dotted")
fw('"%s" -> "%s" [%s] ;\n' % (bone.name, parent.name, ','.join(opts)))
del bone
# constraints
for pbone in obj.pose.bones:
for constraint in pbone.constraints:
subtarget = constraint.subtarget
if subtarget:
# TODO, not internal links
opts = ['dir=forward', "weight=1", "arrowhead=normal", "arrowtail=none", "constraint=false", 'color="red"'] # ,
label = "%s\n%s" % (constraint.type, constraint.name)
opts.append('label="%s"' % compat_str(label))
fw('"%s" -> "%s" [%s] ;\n' % (subtarget, pbone.name, ','.join(opts)))
# Drivers
def rna_path_as_pbone(rna_path):
if not rna_path.startswith("pose.bones["):
return None
#rna_path_bone = rna_path[:rna_path.index("]") + 1]
#return obj.path_resolve(rna_path_bone)
bone_name = rna_path.split("[")[1].split("]")[0]
return obj.pose.bones[bone_name[1:-1]]
for fcurve_driver in obj.animation_data.drivers:
rna_path = fcurve_driver.rna_path
pbone = rna_path_as_pbone(rna_path)
if pbone:
for target in fcurve_driver.driver.targets:
pbone_target = rna_path_as_pbone(target.rna_path)
rna_path_target = target.rna_path
if pbone_target:
opts = ['dir=forward', "weight=1", "arrowhead=normal", "arrowtail=none", "constraint=false", 'color="blue"'] # ,
display_source = rna_path.replace("pose.bones", "")
display_target = rna_path_target.replace("pose.bones", "")
label = "%s\\n%s" % (display_source, display_target)
opts.append('label="%s"' % compat_str(label))
fw('"%s" -> "%s" [%s] ;\n' % (pbone_target.name, pbone.name, ','.join(opts)))
fw(footer)
file.close()
print(".", end='')
import sys
sys.stdout.flush()
if __name__ == "__main__":
import bpy
import os
path ="/tmp/test.dot"
graph_armature(bpy.context.object, path)
os.system("dot -Tpng %s > %s; eog %s &" % (path, path + '.png', path + '.png'))
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