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I have this in my scripts/456.py file, maybe it works for you?: hou.setSimulationEnabled(False)

I was going to suggest Vim-style navigation shortcuts for the text editor, but then I thought, why stop there? Let's have the option of running Vim embedded in text fields; with syntax highlighting, autocompletion, etc.

Sorry, I didn't realize that it doesn't reset rotation (perhaps it should?). It may work better to reattach the handle and then toggle Follow Group on the same menu.

Try with Snap To > Pivot in the handle menu.

RMB on the viewport to open the tool context menu, then select Visualize Texture > Off.

Thank you for pointing this out, Tomas. It turns out it can be simplified. I've just learned about the `uniquevals` function, which, per the docs, "returns the set of unique values across all values for an int or string attribute." So it seems like a direct answer to your original question. Using it, you can get rid of all the code in my previous post, and instead put this in a Detail Wrangle: int class[] = uniquevals(0, 'prim', 'class'); foreach(int elem; class) { vector Cd = rand(elem); int prims[] = findattribval(0, 'prim', 'class', elem); foreach(int prim; prims) { setprimattrib(0, 'Cd', prim, Cd); } }

This, in a detail wrangle, will do it; although as you'll see it's quite a roundabout way to work: // Construct `class` array from the prim attribute. int class[], primclass; for(int primnum = 0; primnum < nprimitives(0); primnum++) { primclass = prim(0, 'class', primnum); push(class, primclass); } // Construct `class_uniques` array from `class` without duplicates. int class_uniques[], count = 0; if (len(class)) { // Proceed only if the array is non-empty. class = sort(class); // Add the first element, so we have something to compare against below. push(class_uniques, class[0]); count++; foreach(int elem; class[1:]) { // For each, leaving the first element out. // If the current element is different from the preceding one, add it. if (elem != class_uniques[count-1]) { push(class_uniques, elem); count++; } } } i[]@class_uniques = class_uniques; Instead of doing this, I would suggest using a For-Each SOP block. It's much simpler, and I assume also more efficient. If you want to have a look, the attached file shows both approaches for setting color by connectivity class. class_to_array__forum.hiplc

Add these lines to `scripts/456.py`: # Disable simulation updates hou.setSimulationEnabled(False) # Set cook update mode to manual hou.setUpdateMode(hou.updateMode.Manual)

Thank you for sharing them! I find Smoke very pleasing.

I think this may do what you need: 1. Template the reference geometry (in your case, the line) 2. Select the Transform SOP and display the handle 3. Enter Pivot Mode [Ins] 4. Start Orientation Picking [;] 5. RMB on the Viewport > "Use Extended Mode" 6. Determine which two points (P, Q) on the reference geo will define the Z axis of the pivot (the pivot will be placed on P) 7. Shift-LMB on the Q point, then LMB on the P point 8. Exit Pivot Mode [Ins]