Forest Pack > Forest Pro (*)

About the opening speed of the file

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Paul Roberts:
Thanks for your file. I can see that you are using a LOT of Corona Proxies. In theory that would speed up load times, but unfortunately at the moment, there is a known limitation whereby Forest Pack needs to load the whole mesh from a proxy in Corona.

This is done using a specific Max function (GetRenderMesh), which is very slow with Corona proxies. Although the mesh is not needed for the render itself (because proxies are rendered directly by the engine), it's necessary for other processes (i.e. to build the Forest point-cloud). For example, with V-Ray proxies 'GetRenderMesh' is very fast, because it returns the simplified mesh used for viewport. Instead, Corona computes and returns the full mesh stored in the proxy, and this process takes a lot of time.

I would also like to mention that Corona and several other renderers support us via our API, so there is a limit to how much we are able to do on our side but we are talking to the Corona team to try to improve the situation. You can read more about it here: https://forum.itoosoft.com/forest-pro-(*)/fpp-corona-animated-proxies-and-scene-parsingprep-time/

Best,

Paul

lingrenddd:
Thank you very much! if I use the XREF in this way instead of the CR proxy, the opening speed will be accelerated?If you are feasible, I will use this way in the next project.

Paul Roberts:
You may find it helps a little, although it will still need to load the full mesh. We did some tests of various XRef/Proxy/Mesh combinations and measured load times. You can see them here: https://forum.itoosoft.com/forest-pro-(*)/fpp-with-large-proxies-create-long-scene-load-times/msg27483/#msg27483.

It should help you to make some decisions about how best to optimise your scenes until the Corona Proxy issue can be properly resolved.

JK1258:
Hello,

I have the same problem with my large scenes. I have made a feature request ob the corona forum. I am not the first one to point out this issue, though

Is there a possibility to run GetRenderMesh only when poiny cloud representation is selected in the FP display panel? It may give us possibility to use only proxy representation...

Best,
Mike

iToo:

--- Quote from: JK1258 on September 15, 2021, 09:38:58 AM ---Is there a possibility to run GetRenderMesh only when poiny cloud representation is selected in the FP display panel? It may give us possibility to use only proxy representation...
--- End quote ---

I'm afraid it's not possible. GetRenderMesh is required not only for Point-cloud, but also for other processes.
Some time ago we tried a similar workaround, but we had to revert it in a patch, because several side effects.

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