[Plugin] Polyreducer 0.1
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Update 2019-07-26: Hey there! Polyreducer is a really old and slow plugin! It has a lot of major limitations. If you are looking for a new, fast and incredibly powerful polygon reduction extension for SketchUp, you should check out Skimpat https://skimp4sketchup.com. Skimp can also import and simplify fbx, obj, stl, among other file formats.
Below is the original post from 2008.
Hi all,
I want to release this script so I can get on to other things. It's not perfect but it works pretty well. I don't know if I will work on this script any more. Anyone is free to take over where I left off.
If anyone is interested, I have also attached the reference material for the algorithm that the plugin is based on. (Thanks to Stan Melax for the article)
Usage:
- Select the faces that you want to perform the reduction on.
- Right click and select 'Polyreduce' from the context menu.
- Input the percentage reduction. For example, select 20 to reduce the number of vertices by 20%.
- A recommended workflow is to perform several reductions using a smaller percentage (50% or less). Then, use the 'undo' and 'redo' commands to cycle through the reduction operations to choose the level of detail you are most satisfied with.
Issues:
- It is highly recommended not to use this plugin on faces that have free edges. It will likely not work as expected.
- The plugin must triangulate all faces that are connected to the selected faces prior to performing the reduction.
- The plugin is quite slow and may cause SketchUp to hang. It is usuallly successful in completing the reduction if given enough time.
- Material assignment is maintained but UVs (texture position) are not.
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Thanks Dale. This should prove very useful indeed.
I just got your Subdivide and Smooth tonight... starting to play. -
Thank you, Dale.
I had an interesting conversation with John Bacus and several other Google people about your recent scripts at the AIA convention today (or rather yesterday). I'll summarize sometime tomorrow (its 1:30 AM, and I've been grading assignments for the past few hours) in your subdivide and smooth thread, because that was the item that dominated our talk.
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Cheers whaat, another useful plugin to add to the arsenal.
(perhaps i should setup a shortcut key for saying that ^ , it seems to be a recurring thing
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Dear Dale,
I too would like to add my thanks for a very useful script.
I have been playing around with a new bathroom design (for myself), and so I will try your script on some of the high poly models of basins and toilets I have found on the web.
Kind regards,
Bob -
You could have earned some money! You know it. If you had developed the rb a bit more, you could have done a new plugin like subsmooth rb...
Thanks a lot. I don't have enough words.
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Thanks so much, Dale. Very useful.
And thanks again for making it free.
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Dang! another excellent addition.
Thanks mate.
We gonna have to start naming this software 'Whaats-up' soon.
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Thank you!
Pete, you need assembly sketchup - whaat edition
... don't forget other talented ruby-writers of our community 
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Sweet man, thanks!
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Thank you Whaat.
A great contribution again to the SU community!
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Thanks Dale,
Again a most generous ccontribution that is truly appreciated by the Community.
Mike
PS: Will you be at 3DBC, I'd like to buy you a drink!
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I've only done some quick tests, but so far I'm struggling to find any reason for this plugin. Following on from Solo, I pulled a model of Bender from the 3DW. I tried a poly reduction of 30% on it, it messed up the model slightly and actually increased the file size from 1500 kb to 1639 kb.
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File size isnt really very important unless your creating absolutely monstorous files. What does matter however is face count. You can have a 100mb file open easily if its got 50,000 faces, but if its got more than 200,000 faces your in for a hard time.
So basically face count is more important than file size pretty much all the time.
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ehhh...can you(Whaat) add real-time trigger as at standard smoothing tool?
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i don t know how this should woork but for me it doesn t
first i create a shape and when i clicked polyreduce it cuted half of the polys
then i take a hood of a car and i clicked polyreduce and it start counting something and doing nothing it says like that : colapsed (i wait until)2 milion from 98 edges -
No need to boast coen
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Wow, nice plugin.
compliments Subdivide and Smooth perfectly. Strange thing is...
Say i create a sphere. i right click and choose polyreduce. and it works, but i cant select all the faces with one click. now there are lots of faces that make up the poly-reduced sphere.
Hmmmmmm... -
@human said:
but i cant select all the faces with one click. now there are lots of faces that make up the poly-reduced sphere.
Hmmmmmm...What do you mean by 'can't select all the faces with one click'
Maybe you can post a screenshot of the reduced sphere??
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