Request to provide example for using IMGUI with VTK 8.1

[pdhahn]

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Version/Branch of Dear ImGui:

XXX

Back-end file/Renderer/OS: (or specify if you are using a custom engine back-end)

Back-ends: imgui_impl_XXX.cpp + imgui_impl_XXX.cpp
OS: XXX
Compiler: XXX (if the question is related to building)

My Issue/Question: (please provide context)

Please provide an example that uses IMGUI with VTK, preferably version 8.1 of VTK.

Standalone, minimal, complete and verifiable example: (see CONTRIBUTING.md)

ImGui::Begin("Example Bug");
MoreCodeToExplainMyIssue();
ImGui::End();

Screenshots/Video (you can drag files here)

[ocornut]

Sorry I am not able to develop and maintain sample on demand for less known frameworks.
Users of VTK can create this example and it'll be linked from the homepage and wiki.

[jspanchu]

Example implementation files and usage here