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Eucledian Distance not working

furry_ferret

Hi all,

im trying to calculate Eucledian Distance with a Raster Dataset. Its basically a river network which i extracted from the DEM. Whenever i run the tool, i dont get the distances but the whole are just fills up with one color.

Can someone help me how to fix this?

Much obliged

Ferret

Screenshot 2023-03-25 195725.png

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Accepted answers

DavidPike

This is exactly the problem, 0 is still a value. You need to change it to NODATA then re-run the Euclidean distance with that new layer. I'm sure it will work as intended then.

All comments

danretired

grief 🙄

furry_ferret

It worked! Thanks alot 🙂

DavidPike

This is exactly the problem, 0 is still a value. You need to change it to NODATA then re-run the Euclidean distance with that new layer. I'm sure it will work as intended then.

furry_ferret

that was the setup. 0 = 0-4400 and 1 = >4400

DavidPike

what's the cell values of 1 on flow_rec1? can you change that symbology to a colour rather than blank?

furry_ferret

DavidPike

Can you share a screenshot of flow_recl1 ? When you click on a few pixels of the euclidean distance result and flow_rec1 what values do you get?

To me it just looks like you've set the other raster cells in flow_rec1 to no symbology rather than actually reclassifying the data https://pro.arcgis.com/en/pro-app/latest/tool-reference/spatial-analyst/reclassify.htm. What are the cell values of 1 in the screenshot?

This would explain the Euclidean distance result, as the tool doesn't care about how you symbolise the input data.

danretired

What does the flow_recl look like?

Euclidean Distance (Spatial Analyst)—ArcGIS Pro | Documentation

describes what is considered a source cell, so any cell with a valid value (eg not nonodata) is a source

Newer versions of Pro should be using

Distance Accumulation (Spatial Analyst)—ArcGIS Pro | Documentation

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