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Question on assigning elevations to a contour shapefile

JasonShim

Hi, I'm using ArcGIS Pro V2.7 and have a question regarding assigning elevations to a contour shapefile (.shp) that I had georeferenced and digitized from a .jpeg file. Does anyone know how can I assign elevation values to a shape file?

Thanks,

Jason

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Accepted answers

ShelleySchott

@JasonShim , you need to enable the z-value coordinates when creating the shapefile. You will also need to define a vertical coordinate system. Below is what the options are in ArcGIS Pro.

image (11).png

You can check whether the shapefile is z-enabled by looking at the shapefile properties in Catalog.

Once the shapefile has been z enabled, editing the z-value is part of the capturing process. Here is a link to the Esri help which goes through editing the z-value: https://pro.arcgis.com/en/pro-app/latest/help/editing/edit-vertex-z-values.htm

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JasonShim

Hi Shelley,

I tried using the edit z-value feature tool but that didn’t work for me. I wasn’t able to assign an elevation to it. Elevation is still showing as zero. I have attached a screenshot of my contour shapefile and inputs in Create Feature Class and Edit Vertices. Just wondering if there’s something that I’ve done incorrectly?

JasonShim

Thanks for the info, Shelly. Appreciate it!

ShelleySchott

@JasonShim , you need to enable the z-value coordinates when creating the shapefile. You will also need to define a vertical coordinate system. Below is what the options are in ArcGIS Pro.

image (11).png

You can check whether the shapefile is z-enabled by looking at the shapefile properties in Catalog.

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