Deciding the sample size for DEM in Bison

I recently started using an example file of Bison plugin. I have opened the file

In the input mesh DEM component, how do I decide the sample size, X dimension and Y dimension?

The terrain is almost 8.6 kilometer x 8.6 kilometer square

Analysis.3dm (21.5 KB) (11.4 KB)

Hi -

The site where you download your GeoTIFFs will / should probably have that information.
Apart from that, you can open your GeoTIFF file in a program such as QGIS and get that information from its properties panel.

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Okay. Thanks. I’ll download QGIS and take that information.

The GeoTIFF file was generated by global mapper and didn’t give any information related to that.