How to create a light blocker for HtoA houdini just like MtoA?

I created this tool to overwrite the code of autodesk. Like they say on their website, the current light blocker for HtoA is an initial implementation and is not very user friendly.

Light Blockers for HtoA are currently using Geometry Matrix instead of the usual Rotation-translation-scale that every other software use for controlling geometries. In addition, Light Blockers in HtoA cannot be controlled in the viewport and only shows in the render view. This tool will create an object and a light blocker and assign by references its current transformations to help you visualize the Light Blocker in Houdini.

Instructions:

Create a new shelf- Edit script and copy the script of the following download file to have access to the light blocker tool.

Make changes directly on the geometry ViewportLB and hit the update now button so it copies its current values to the filter of the arnold light.

PATCH v0.2:

The scenes won’t crash anymore. Now you only need to click on the update now button when you make changes. It will put the current values to the light blockers. Enjoy!

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