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                                            Holance

Best approach for dynamically generating multiple copies of loaded models in HelixToolkitScenes

You don't need to flatten the mesh nodes. Just do something like this: ``` var t0 = Matrix.Translation(0, 0, 0); var t1 = Matrix.Translation(30, 0, 0); var instances = new...

Best approach for dynamically generating multiple copies of loaded models in HelixToolkitScenes

What if you remove the scaling?

Best approach for dynamically generating multiple copies of loaded models in HelixToolkitScenes

There is a bug in shader code which multiplies the instance matrix before world matrix. Need to reverse the order. Will fix it later.

Best approach for dynamically generating multiple copies of loaded models in HelixToolkitScenes

Please try with the nightly build.

Best approach for dynamically generating multiple copies of loaded models in HelixToolkitScenes

https://ci.appveyor.com/project/holance/helix-toolkit-qqf1e/build/artifacts You upgraded to the v3 version, that's why it breaks everything.

Best approach for dynamically generating multiple copies of loaded models in HelixToolkitScenes

2.26.0-develop2-archived.0001 is the version. Or simply download the packages from the link and create a local nuget repo.

Very high memory use when importing multiple FBX models with embedded textures using HelixToolkit.SharpDX.Core.Assimp.Importer

Could you provide the model so we can test with it?

Very high memory use when importing multiple FBX models with embedded textures using HelixToolkit.SharpDX.Core.Assimp.Importer

I think the issue is when helixtoolkit loads external texture, it checks if the texture file already exists in cache, so it avoid duplicating loading. However, loading embedded texture doesn't...

Very high memory use when importing multiple FBX models with embedded textures using HelixToolkit.SharpDX.Core.Assimp.Importer

With animation, it will be more complicated, since some of the animation is node based, which means when you clone the mesh node, you also need to clone the animation...

ZoomExtents flip the view

I am not able to reproduce the issue, which version of the helixtoolkit are you using? If possible, submit a sample project so I can reproduce the issue.