Wall Height returning 0 value

[tylerkicks]

Hello, we're attempting to calculate the wall height and aspect using the UMEP Pre-Processor plugin. Running it using the DSM, we get the output shown in the photo. A previous user posted a similar problem, and someone responded that they likely have NoData pixels somewhere in their data, and that if they scale the images they will see the walls. Scaling doesn't seem to have worked. At first glance, it seems like there may be a band of NoData values on the edge of the actual pixels we want to use, but we have no idea how to actually fix that. Any thoughts or recommendations? Thank you!

[nilswallenberg]

Hi,

There is a raster tool in QGIS called Fill NoData cells (search in the Processing Toolbox). What coordinate system are you using for your rasters? Looking at the bottom of your project view I see that you have WGS 84 for your project (lat, lon), rather than a projected coordinate system in say meters. Is this also the case for your rasters?

Cheers,
Nils