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# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""
EXR Render: Warn when Z not connected
Display a little warning label when exporting EXR, with Z Buffer enabled, but
forgot to plug the Z input in the Compositor.
Might be a bit too specific, but found it nice to remember to plug the Z input
if we explicitly specify for Z Buffers to be saved (because it's disabled by
default).
Find it on the Output panel, Render properties.
"""
import bpy
# // FEATURE: Object ID for objects inside DupliGroups
# UI: Warning about Z not connected when using EXR
def ui_render_output_z(self, context):
scene = bpy.context.scene
image = scene.render.image_settings
if scene.render.use_compositing and \
image.file_format == 'OPEN_EXR' and \
image.use_zbuffer:
if scene.node_tree and scene.node_tree.nodes:
for no in scene.node_tree.nodes:
if no.type == 'COMPOSITE':
if not no.inputs['Z'].is_linked:
self.layout.label(
text="The Z output in node \"%s\" is not connected" %
no.name, icon="ERROR")
# // UI: Warning about Z not connected
def register():
bpy.types.RENDER_PT_output.append(ui_render_output_z)
def unregister():
bpy.types.RENDER_PT_output.remove(ui_render_output_z)
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