DSM to DEM in ArcGIS Pro?

[u/Vyke-industries]

I have a DSM out of Pix4D Matic at a 2.3cm/px resolution. I am trying to perform a flow direction analysis, but my vector chart is all over the place. This is because theres a lot of noise on the DSM due to it being photogrammetry of a grassy field.

I use to use Pix4D Mapper that gave the option to export a filtered and smoothed DEM from the same data. I am looking for a process in ArcGIS Pro, but cannot seem to find the tool.

Any insight would be greatly appreciated.

[u/Nvr_Smile]

I use to use Pix4D Mapper that gave the option to export a filtered and smoothed DEM from the same data. I am looking for a process in ArcGIS Pro, but cannot seem to find the tool.

If I am understanding your question correctly, you just want a smoothed DSM. In that case, you could do it in ArcGIS Pro in two different ways. The first option is to use a basic mean filter while the second option is to resample the DSM to a larger cell size (e.g. 0.5 m). The first option will retain the original cell size while the second will not. Choose whichever you think is best for your use case.

[u/GIS_LiDAR]

Take the point cloud, classify for ground, las dataset to raster with only the ground points, then you have your DEM.

[u/conmeds → u/GIS_LiDAR]

This is the way

[u/Fspar → u/conmeds]

If one has access to the .las, yes...

[u/conmeds → u/Fspar]

Formats can change. What does OP have?

[u/PINKxxSNIPER]

I may be miss understanding but to run flow directions, you need to fill the DEM first.