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JohnDoe777
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VFX Artist
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Houdini Engine
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Recent Forum Posts
(SOLVED) HDA Display one thing but Output something else? 2026年3月18日8:37
Hello,
I was wondering if there was a way to have what is visibly displayed in the viewport show something different from what is actually being output? Maybe there's a way to do it through the viewer state? Though typically that's more an overlay so not sure if it's capable of overriding the node output view.
I could set the output to be invisible and add what I want to show as the Guide Geometry but that is not ideal at all.
I was wondering if there was a way to have what is visibly displayed in the viewport show something different from what is actually being output? Maybe there's a way to do it through the viewer state? Though typically that's more an overlay so not sure if it's capable of overriding the node output view.
I could set the output to be invisible and add what I want to show as the Guide Geometry but that is not ideal at all.
Add a Custom button to the Scene Viewer Left Toolbar? 2026年1月29日5:09
Hello,
Is there a way to add a custom button to the Scene Viewer left toolbar just above the Flipbook button. Is this exposed somewhere that could be edited and overridden in the user's Houdini folder?
Is there a way to add a custom button to the Scene Viewer left toolbar just above the Flipbook button. Is this exposed somewhere that could be edited and overridden in the user's Houdini folder?
python Toggle buttons visability 2025年6月30日14:04
First create a toggle parm and name it "button_toggle".
In the 2 buttons put in the "Hide When" section this
If this is a HDA:
In both button parms put this in the Callback Script(Set to Python)
Then go to the Scripts tab and add a Python Module and paste this.
If this is not a HDA or you want it to be less clean.
In both button parms put this in the Callback Script.
In the 2 buttons put in the "Hide When" section this
{ button_toggle == 0 }changing the 0 to a 1 in the second button parm. If this is a HDA:
In both button parms put this in the Callback Script(Set to Python)
hou.phm().toggle_button(kwargs)Then go to the Scripts tab and add a Python Module and paste this.
def toggle_button(kwargs): node = kwargs["node"] toggle = node.evalParm("button_toggle") node.parm("button_toggle").set(1-toggle)
If this is not a HDA or you want it to be less clean.
In both button parms put this in the Callback Script.
node = kwargs["node"]; toggle = node.evalParm("button_toggle"); node.parm("button_toggle").set(1-toggle)