topic Re: Pro 2.6.0 geometry calculation error in ArcGIS Pro Questions

Pro 2.6.0 geometry calculation error

GeorgeSprehn — Thu, 30 Jul 2020 20:11:59 GMT

At Pro 2.6.0 the calculated geometry of a feature class attribute is incorrect. A rectangle 66’ x 660’ is 1 acre (43,560 sq. ft.), although, the calculation by right-clicking the attribute and calculating...

Property: Area
Area Unit: Acres
Coordinate System: Current Map

produces an incorrect calculation. The same procedure was worked in a 2.5 version and the calculation is correct.

(The map measure tool calculates accurately in both versions.)

Exhibit:

Attribute calculation same feature class in v. 2.6 and 2.5
GDB Feature class
Spatial ref: NAD 1983 HARN StatePlane Florida West FIPS 0902 (US FEET)
v. 2.6 of polygon feature 66’x660’ = 10.7639 ac. (468,875 sq. ft.) incorrect
v. 2.5 same polygon = 1.0 ac. (43,559.93 sq. ft.) correct
See image capture. The two attributes far right are in v.2.5

Image: screen capture attribute table shows area calculations using Pro 2.6 and 2.5. The two attributes far right are in v.2.5

Let me know if you need additional information.

Thanks.

Re: Pro 2.6.0 geometry calculation error

EricCarlton — Mon, 03 Aug 2020 17:05:21 GMT

I've encountered this same issue with NC State Plane. Seems to be off by a factor of 10.

Re: Pro 2.6.0 geometry calculation error

JeffOrton — Wed, 05 Aug 2020 22:06:17 GMT

I get the same problem calculating Acres in NAD_1983_2011_StatePlane_California_IV_FIPS_0404_Ft_US and NAD_1983_California_Teale_Albers_FtUS but not NAD_1983_UTM_Zone_11N. The test polygon is 19.198 Acres calculates as 206.564 acres.

Re: Pro 2.6.0 geometry calculation error

DanPatterson — Wed, 05 Aug 2020 22:19:11 GMT

There are no reports on Technical support as bugs that meet your cases.

Esri Support | ArcGIS Technical Support

Did anyone here file a case? and has a case number?

Re: Pro 2.6.0 geometry calculation error

GeorgeSprehn — Thu, 06 Aug 2020 18:42:30 GMT

Re case number requested by Dan Patterson,

Esri Case #02608276 - ArcGIS Pro 2.6 \\ Calculate Geometry Values Incorrect; Different from Pro 2.5

"...that this defect has been approved through our review process, and is now in the hands of the Product Team."

Re: Pro 2.6.0 geometry calculation error

BradleyThompson1 — Thu, 06 Aug 2020 19:04:19 GMT

Good afternoon y'all,

We've got the following defect for this issue in our systems right now:

BUG-000132660 - Incorrect values of the area calculated from the 'Calculate Geometry Attributes' tool in ArcGIS Pro.

This is being fixed for Pro 2.6.1. If you're currently utilizing Pro 2.6, you can work around this behavior by using the 'Field Calculator' in lieu of the 'CGA' GP tool with the following expression: !shape.area@acres!

That expression will provide the correct area measurement and will avoid the necessity to backtrack to Pro 2.5.

Re: Pro 2.6.0 geometry calculation error

LonSharp — Wed, 12 Aug 2020 22:44:09 GMT

I see the bug you mentioned is specific to area calculations. What about length and x/y calcs? Those are returning incorrect numbers as well.

Re: Pro 2.6.0 geometry calculation error

BradleyThompson1 — Mon, 24 Aug 2020 20:21:05 GMT

Lon - yes, that information was also included in the defect's notes. Safe to assume at the moment that both will be resolved & back to normal at 2.6.1.

Re: Pro 2.6.0 geometry calculation error

Joseph_Kinyon — Tue, 25 Aug 2020 22:02:20 GMT

Thanks Brad! That is exactly the problem we've been troubleshooting on a script that had worked fine before.
If you're calculating acres of burned areas for recent fire maps recently, double check your results from scripts and models since upgrade.

Re: Pro 2.6.0 geometry calculation error

BradAllen1 — Wed, 26 Aug 2020 17:29:12 GMT

Is there any target for the 2.6.1 release to correct this?

Brad

Re: Pro 2.6.0 geometry calculation error

Joseph_Kinyon — Fri, 04 Sep 2020 07:01:45 GMT

Brad,

I was able to update with release 2.6.1 on Tuesday September 1st and it now works correctly for me.

Joe

Re: Pro 2.6.0 geometry calculation error

BradAllen1 — Thu, 10 Sep 2020 18:52:54 GMT

Thank you

Re: Pro 2.6.0 geometry calculation error

NicoleBraun — Tue, 26 Jan 2021 18:04:08 GMT

This bug is REALLY disappointing coming from ESRI. Unfortunately, I have been at the older version of Pro for a while, have made numerous geometry calculations for projects and official documents at my agency. Glad I came across this post so I could upgrade and fix my many incorrect calculations.

Re: Pro 2.6.0 geometry calculation error

PaulSLowrey — Wed, 28 Apr 2021 22:33:50 GMT

I am having the exact same problem, except I just upgraded to 2.7.3! The calculated values are off by about six decimal places.
The expression (adjusted for length = !shape.length@meters!) in field calculator DID return correct length values. This expression: !shape.area@squaremeters! also returned correct area values.

If this was being fixed for Pro 2.6.1, shouldn't it be fixed for 2.7.3 as well? Did the error get reintroduced?