ORD : THIN TERRAIN MESH

I have an ORD terrain mesh that is 800Mb. What tools can be used in ORD to reduce the file size?

I Geopak in the old days there were tools to thin TIN files?

I undestand that the accuracy of the terrain mesh will decrease but that is not an issue.

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  • Hello Martin,

    I don't know of a practical way inside ORD to simplify existing mesh but there are things you can do outside. In some existing maps, for example, contours can be drawn as bsplines. Converting them to linestring linetype with custom sensitivity significantly reduces the terrain size in ORD. Actually, I don't understand why bspline contours are solved with so many triangles in ORD. If at least the minimum distance between the mesh points can be determined, we can create a terrain surface that works much easier and faster. In your case there may be a similar unnecessary triangle formation. Can you share a sample screenshot of your Terrain mesh?

    Regards

    Erdem

  • If you want to simplify a terrain mesh, you first need to export it to MX Genio (in .txt)

    Then import it back into Openroads, this way you will be able to import it back into Openroads and use the filtering ability that Vincent have talk.  I never did this with a 800mb terrain but have done this before and it works.

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