I may be overlooking something, but the Alaska geographic transformations do not seem to be working in ArcGIS 10.4.
In going from NAD27 to NAD83, I'm using the transformation:
NAD_27_To_NAD_1983_Alaska
When I open an mxd project in ArcGIS 10.2, the NAD27 polygons are projected on the fly correctly to their corresponding NAD83 positions.
When I open the same mxd project in ArcGIS 10.4, the NAD27 polygons are projected on the fly incorrectly.
In ArcGIS 10.4, the NAD27 polygons appear to be projected on the fly by using the NADCON (lower 48) transformation instead of the 'NAD_27_To_NAD_1983_Alaska' transformation that is set in the project.
The same problem occurs in trying to use the 'Project' tool to project the data to NAD83. The polygons appear to be projected using the NADCON (lower 48) transformation.
In this example, I'm going from
NAD_1927_StatePlane_Alaska_6_FIPS_5006
to
NAD_1983_StatePlane_Alaska_6_FIPS_5006_Feet
by trying to use the 'NAD_27_To_NAD_1983_Alaska' transformation
I've read somewhere that, new to ArcGIS 10.4, ArcGIS 10.4 is supposed to 'sense' the position of the data and, somehow, automatically apply the correct nadcon transformation.
Is this a bug in ArcGIS 10.4, or am I overlooking something?
Other Alaska transformations appear to have the same problem in ArcGIS 10.4
Any help is greatly appreciated.
Thank You.
there were some words about alaska and projections here but I haven't read in detail, but FYI in any event Higher Accuracy AK State Plane Projection?
I think there is indeed a bug, I'm having the same exact issue since upgrading to 10.4.
Rebecca Strauch, GISP Rebecca, do you have any scoop on this? This thread has been floating around for a while.
I'm not an expert on projections and/or transformations, and haven't fully upgraded to 10.4...so no experience yet.
The thread you mentioned Dan has to two I would recommend giving the best info Melita Kennedy and Joel Cusick but I'll also tag the Alaska GIS Users site in case others have insight and/or are interested.
Thanks Dan,
And can you look into when they are going to solve the ArcScene not exporting a 3D VMRL file correctly as well? I know that’s an ongoing issue and I tried for the first time with 10.4 yesterday and it was still a problem.
Cheers,
Frank
Frank Panaro
Senior Scientist, GIS Manager
SLR International Corporation
Direct: 907-264-6987
Office: 907-222-1112
Fax: 907-222-1113
Email: fpanaro@slrconsulting.com<mailto:fpanaro@slrconsulting.com>
2700 Gambell Street, Suite 200, Anchorage, AK, 99503, United States
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you mean there are problems with this in Exporting a 3D VRML model in ArcScene—Help | ArcGIS for Desktop
If so, I didn't hear anything... probably a projection problem
but Pro's documentation... Supported formats with the Data Interoperability extension—ArcGIS Pro | ArcGIS for Desktop has two incarnations of VRML one a reader and a new version as a writer but I haven't tested it
Yes, I was on the phone with tech support about this issue earlier in the year and they told me it was a known issue. The file created is empty of content, I’ll have to see if I can find my email from tech support on this for reference
Frank Panaro
Senior Scientist, GIS Manager
SLR International Corporation
Direct: 907-264-6987
Office: 907-222-1112
Fax: 907-222-1113
Email: fpanaro@slrconsulting.com<mailto:fpanaro@slrconsulting.com>
2700 Gambell Street, Suite 200, Anchorage, AK, 99503, United States
www.slrconsulting.com<http://www.slrconsulting.com/us>
<http://www.slrconsulting.com/us>
Confidentiality Notice and Disclaimer
This communication and any attachment(s) contain information which is confidential and may also be legally privileged. It is intended for the exclusive use of the recipient(s) to whom it is addressed. If you have received this communication in error, please email us by return mail and then delete the email from your system together with any copies of it. Any views or opinions are solely those of the author and do not represent those of SLR Management Ltd, or any of its subsidiaries, unless specifically stated.
I'm going to move this thread from "community help" to Coordinate Reference Systems
(my first move)
Thanks! And FYI, a co-worker of mine is having the same exact issue as well since upgrading to 10.4.
Frank Panaro
Senior Scientist, GIS Manager
SLR International Corporation
Direct: 907-264-6987
Office: 907-222-1112
Fax: 907-222-1113
Email: fpanaro@slrconsulting.com<mailto:fpanaro@slrconsulting.com>
2700 Gambell Street, Suite 200, Anchorage, AK, 99503, United States
www.slrconsulting.com<http://www.slrconsulting.com/us>
<http://www.slrconsulting.com/us>
Confidentiality Notice and Disclaimer
This communication and any attachment(s) contain information which is confidential and may also be legally privileged. It is intended for the exclusive use of the recipient(s) to whom it is addressed. If you have received this communication in error, please email us by return mail and then delete the email from your system together with any copies of it. Any views or opinions are solely those of the author and do not represent those of SLR Management Ltd, or any of its subsidiaries, unless specifically stated.