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Hi,

 

Very new to using FME but I've been following the tutorials on How to make Minecraft worlds. I'm using the same workspace as the Moai statues with my own data subbed in, but when I convert my elevation model I get an error saying there are negative z values. When I check the DEM itself there are no negatives so I don't understand where the issue is coming from. It is roughly 4sqkm with a max height of 30m as well so it should be well within the appropriate size.

 

Thanks

Hi @gwebb​ which transformer is giving you the error about the negative z values? Would you be able to share the log file generated with us?

If you want to replace any potential negative values in your DTM, you could try using the RasterCellValueReplacer to replace all negative values with 0.

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