KeyError: 'KHR_draco_mesh_compression'

[Piminski]

I am getting this error when increasing the min dist and max mesh.

The same coordinates worked with 500 min dist and 5000 max mesh. When I increased to 1500 min dist and 15000 max mesh I get this error.

Error Invalid source /obj/geo1/EarthMesh1/Glb. (Error: Python error: Traceback (most recent call last): File "", line 66, in KeyError: 'KHR_draco_mesh_compression' ).

I am using @joreeves implementation

[xjorma]

I might have sometime today. Could you take give me the exact parameters to get the bug? If I am not able to repro it I won’t be able to fix it.

On Wed, Jul 24, 2024 at 1:05 PM Piminski @.***> wrote:

I am getting this error when increasing the min dist and max mesh.

The same coordinates worked with 500 min dist and 5000 max mesh. When I increased to 1500 min dist and 15000 max mesh I get this error.

Error Invalid source /obj/geo1/EarthMesh1/Glb. (Error: Python error: Traceback (most recent call last): File "", line 66, in KeyError: 'KHR_draco_mesh_compression' ).

I am using @joreeves https://github.com/joreeves implementation

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[Piminski]

Here are the setting that create the error:

lat: 34.067054 lon: -118.389711

min error:2 mar error:100000 mindist: 1500 maxdist:2e+06

max mesh: 15000

[xjorma]

Awesome I will check that very soon.

On Wed, Jul 24, 2024 at 1:27 PM Piminski @.***> wrote:

Here are the setting that create the error:

lat: 34.067054 lon: -118.389711

min error:2 mar error:100000 mindist: 1500 maxdist:2e+06

max mesh: 15000

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[Piminski]

I think maybe I am pushing the process a bit too hard :). It may be some memory or buffer issues.

[xjorma]

No, I found the issue. The problem is a very small mesh, likely just 2 triangles, that doesn't use Draco compression. The code assumes everything uses Draco. The larger the zone, the greater the chance of encountering a faulty mesh. I will probably submit a temporary fix soon. I am testing it, but your scene takes a long time to process.

[Piminski]

Oh I see.

I understand its a long process, thank you for looking into it.

[xjorma]

Temp fix seems to work, It's a long process but houdini handle the charge pretty well. I will submit a fix very soon. But on my version, I will take a look on the @joreeves pull request just after.

[xjorma]

@Piminski let me know if it works for you.

[Piminski]

OK, thank you! thats awesome. Will take me some time (a couple hours) until I can check on my end.

[Piminski]

@xjorma , I tested your updated HDA in Houdini 20.5. The geometry loads but for some reason I cannot see the texture, not even the mesh (only visible as wireframe and points). I changed the display settings as per the readme but there is some issue. I also tested importing the default settings on the HDA and it had the same issue. This is the first time I use Earthmesh in 20.5 so it may be some new setting I need to change...

I will now check in 20.0.

This screenshot shows the default (your base settings) mesh as it appears with "Flat wire shaded" viewport:

[xjorma]

Is never tested with 20.5 can upgrade and test.

On Thu, Jul 25, 2024 at 5:25 PM Piminski @.***> wrote:

@xjorma https://github.com/xjorma , I tested your updated HDA in Houdini 20.5. The geometry loads but for some reason I cannot see the texture, not even the mesh (only visible as wireframe and points). I changed the display settings as per the readme but there is some issue. I also tested importing the default settings on the HDA and it had the same issue. This is the first time I use Earthmesh in 20.5 so it may be some new setting I need to change...

I will now check in 20.0.

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