Alex Majewski

alexmajewski

About Me

EXPERTISE
Technical Director
INDUSTRY
Advertising / Motion Graphics

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LOCATION
Poznan, Poland
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Houdini Skills

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Not Specified

Recent Forum Posts

how on earth do you untie keyframe handles with Python? May 24, 2026, 11:31 a.m.

In a classic fashion I think I found the answer 10 minutes after posting this thread.

Hscript chkeyget [www.sidefx.com] can seemingly provide information about slopes and accel on tied keyframes. After a few initial tests, the values seem to match what I see in the GUI.

Edit: God, I'm dense. When handles are tied, inSlope is the same as out slope. No hscript needed.

how on earth do you untie keyframe handles with Python? May 24, 2026, 11:16 a.m.

inSlope() → double
Returns the slope entering the keyframe.
This method raises hou.KeyframeValueNotSet if the slope has not been set or the slope is tied.

I'm trying to get the inSlope value of a freshly/recently created keyframe, but it won't let me check it unless I untie it.
hou.Keyframe [www.sidefx.com]

It honestly just seems impossible. Does anyone know how to achieve this? Even with hscript, anything.

Relative paths not working for some assets May 13, 2026, 2:40 p.m.

Hey I'm trying to export a flattened stage file with materials that have texture files linked to them.

In the source HIP file those textures appear as relative paths.

I export a USD file with Use Relative Paths.

I import this USD file into a new HIP file.

Some assets have relative paths @../../../myfile.png@

Some have absolute paths baked in @V:/_library/tree.png@. The assets that used to be relative now are absolute.

I can't figure out why. They're all on the same drive (deeply nested far from each other).