How do I create contours from an XYZ file of 1m regular horizontal intervals?

Hi, I have an XYZ file with 1 million points at regular 1m horizontal intervals.

I want to convert this to contours, however when I tried ContourGenerator and SurfaceModeller transformers, all I got was a square polygon showing the extent of the XYZ points.

Does anyone know what I'm doing wrong or if I should be using a different transformer?

Thanks,

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Have you used the pointcloudcoercer to decompose the XYZ into points?

According to the documentation, the Points/Lines input port of the SurfaceModeller should accept point clouds, so I think it must be a different issue. In fact, it worked for me when I just tried it (see screenshot below).

So... maybe try reading the point cloud into the Data Inspector to make sure the reading part is correct. Then, well the only parameters I can see that would make a difference are Surface Tolerance and Output Contours, so check those.

If neither of those work, then please do contact our support team for assistance (safe.com/support)

Regards

Mark

Product Evangelist

Safe Software Inc

btw - which Reader are you using? The Point Cloud XYZ one?

Which version of FME?

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