Custom Projection in ArcGIS Pro

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11-12-2019 10:41 AM
MitchHolley1
MVP Regular Contributor

I have created a custom projection in ArcGIS Pro 2.4.2 (NAD 1983 UTM Zone 11N - Foot US), but ArcGIS Pro seems to handle the projection different than ArcGIS Desktop.  When I create a new custom projection in ArcGIS Desktop and change the Linear Unit, the False Easting value is automatically calculated.  But, when I do the same process in ArcGIS Pro, the False Easting value is not auto-calculated and remains at the default linear unit value of the original projection.

Process in ArcGIS Pro

Before changing Linear Unit:

After changing Linear Unit:

Process in ArcGIS Desktop

Before changing Linear Unit:

After changing Linear Unit:

Notice the False_Easting value has changed!

Is this typical behavior?  Does the user have to determine a False Easting value for every custom projection?  This is causing data to plot incorrectly when importing the data into ArcGIS Pro.

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HeatherSmith
Esri Contributor

Hi Mitch,

Unfortunately, you have found a bug. Fortunately, this issue (tracked here) has been fixed in Pro 2.5, so you should not see it once this new version is released and you have upgraded.

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4 Replies
DanPatterson_Retired
MVP Emeritus

meter to US foot

Feet (u.s. Survey) to Meters | Kyle's Converter 

500,000 m = 1,640,416.67 US feet

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MitchHolley1
MVP Regular Contributor

Thanks, Dan.  I was just wondering why the user now has to do this conversion and manually input the value in instead of the software.  This could/will lead to an incorrect data entry.  It's just strange that the function is found in ArcGIS Desktop and not ArcGIS Pro.

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DanPatterson_Retired
MVP Emeritus

Sound like ArcGIS Ideas‌ … probably due to web stuff

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HeatherSmith
Esri Contributor

Hi Mitch,

Unfortunately, you have found a bug. Fortunately, this issue (tracked here) has been fixed in Pro 2.5, so you should not see it once this new version is released and you have upgraded.