Fix Map Range node Clamp functionality #85368
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Reference: blender/blender#85368
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The clamp functionality of the map range node is currently not behaving as both what the shader node version does and what the tooltip says.
It should clamp the output to the set
Torange. Currently it is clamping to [0,1].is_viewport_map_range-2021-02-04_12.34.32.mp4
Changed status from 'Needs Triage' to: 'Confirmed'
Added subscriber: @SimonThommes
Added subscriber: @samuelmiller
I'd like to help with this, but I'm a little confused. Is this for the composite Map Range node? I can't find a Map Range node in the Geometry nodes source code, although it's in the manual.
Added subscriber: @lone_noel
@samuelmiller Some of the nodes are shared between geometry nodes and the shader nodes. Maybe take a look at
node_shader_map_range.cc.Added subscriber: @woolllff
can you tell where are we supposed to look at.
and where is it not functioning?
Added subscribers: @HooglyBoogly, @JacquesLucke
I added a video showcasing that it's not working correctly to the description.
I'm not a developer myself, so I'm not sure where to look in the code.
@JacquesLucke @HooglyBoogly could one of you guys help out?
The bug is in the
MapRangeFunctionclass innode_shader_map_range.cc.I think I found the offending line of code and have submitted a patch. I did a limited test of the functionality and it worked for me.
This issue was referenced by
bb0b250cbdChanged status from 'Confirmed' to: 'Resolved'