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Author Topic: Export points < import to Cinema 4d very poor geometry  (Read 4775 times)

marilou

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Export points < import to Cinema 4d very poor geometry
« on: April 10, 2019, 11:14:29 PM »
I use Agisoft Metashape and I took a series of photos of  very high quality of a facade. The mesh model (dense cloud) comes perfect. Great results! After that I exported to points (.LAZ).  I use local coordinates by default. (Anyway the options of the export are limited) . When I imported to Cinema 4d the geometry is very poor. The model is like pixelated! In the example of the photo attached the chunk is 39 photos , 50,448 points and 1) first align photos with the default settings , accuracy high, key point limit 40,000 and tie point limit 4,000. 2) then I built the dense cloud with high quality and depth filtering: moderate 3) at the end I build mesh with source data: dense cloud , arbitrary (3D), face count : high and interpolation enabled, point classes : all (there is no alternative about point classes). The final result is 2,120,120 faces and 1,065,792 vertices. The laz file is too heavy. Barely I could use Cinema 4d.
How could I solve these two problems?
The heavy file laz and the awful quality of the model when I imported to cinema 4d?



« Last Edit: April 11, 2019, 12:17:21 PM by marilou »

Alexey Pasumansky

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Re: Export points < import to Cinema 4d very poor geometry
« Reply #1 on: April 11, 2019, 03:33:21 PM »
Hello marilou,

What type of output do you need to export - mesh or dense point cloud? LAS and LAZ formats are applied for the dense cloud export only, so as a result you'll see only points, like in the Dense Cloud view mode in Metashape GUI.

If you need to export the output like on your second screenshot, you should use Export Model option in the file menu and export the Mesh surface.
Best regards,
Alexey Pasumansky,
Agisoft LLC

marilou

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Re: Export points < import to Cinema 4d very poor geometry
« Reply #2 on: April 11, 2019, 04:04:33 PM »
What do you mean export the mesh surface? How I do that? There is the option export to model (wavefront obj) but I tried cinema 4d, blender, and the model gets imported without textures because I can’t apply mtl file. 
What I want to achieve is to have the same quality of model (or points) as in Metashape.
Do you know how to export as a model but with the texture applied???

Please help! I have a deadline very soon!!!

PS in the photos attached you can see the settings of export as a model and as points
« Last Edit: April 11, 2019, 04:24:05 PM by marilou »

Alexey Pasumansky

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Re: Export points < import to Cinema 4d very poor geometry
« Reply #3 on: April 11, 2019, 05:18:29 PM »
Hello marilou,

According to the latest screenshot, the model doesn't have any texture and therefore "export texture"option is not available. You should generate the texture using Build Texture command in the Workflow menu.
After that in the Export Model dialog the option related to the texture export would be enabled.

Best regards,
Alexey Pasumansky,
Agisoft LLC