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GregHollard
New Contributor II
since
11-16-2016
11-19-2020
7
Posts created
11
Kudos given
0
Solutions
5
Kudos received
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My Ideas
(1 Idea Submissions)Latest Contributions by GregHollard
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IDEA
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Hi Melita, The data is projected in the New Zealand Transverse Mercator Projection. The legal ramifications have to do with the calculation of fees for permits. A lot of work was done to select a process that would give a consistent value for areas within the 5.7 million square kilometres of our Exclusive Economic Zone and extended continental shelf. Greg
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03-22-2017
05:33 PM
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Definition queries are (still!) not supported with WFS services. To quote the documentation from http://server.arcgis.com/en/server/latest/publish-services/windows/wfs-services.htm "The map document is just a specification of the layers that will be available in your WFS service. Symbology, query definitions, and field aliases defined at the layer level do not transfer to the WFS service, because the purpose of the service is to expose the features in the data." The two solutions I've used for this is either a product over the top of the WFS services (shout out to con Terra), or implementing the definition queries in views in the enterprise GDB.
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03-21-2017
03:18 PM
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I can see your point, but I'm not in a position to argue with either the legal process that requires these functions to be used or with the research done to produce the functions in the first place. I'm just looking for the best way to include these functions in the ArcGIS Platform so we can streamline our processes.
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01-25-2017
04:29 PM
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We use extensions by Jeff Jenness to help create accurate and consistent area values for some pretty large features, but it would solve some integration issues if the Vincenty distance and area formulas could be added to the list of options to the python methods for area and distance. The differences for an example polygon are shown below. The differences is small, but significant enough to make a difference. Currently the options for the getArea method are : PLANAR GEODESIC GREAT_ELLIPTIC LOXODROME PRESERVE_SHAPE It would be great if we could do this: !Shape!.getArea("VINCENTY","HECTARES")! Thanks also to Dan Mahr for a great article about Calculating Geodesic Areas
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01-24-2017
06:43 PM
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My kudoed posts
| Title | Kudos | Posted |
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| 1 | 03-21-2017 03:18 PM | |
| 2 | 01-24-2017 06:43 PM |
Activity Feed
- Got a Kudo for Re: WFS Service isn't respecting the definition query of the ArcGIS Map Service?. 11-11-2020 02:05 AM
- Kudoed Incorporate Portal content categories with ArcGIS Pro for SimonKettle. 06-21-2020 10:10 PM
- Kudoed Operations Dashboard: Share by Extent for PaulDoherty2. 10-09-2019 04:10 PM
- Kudoed User Friendly 'access denied' messages for WABuilder for Anonymous User. 10-09-2019 02:18 PM
- Posted Re: Add "Vincenty" formulas to the Python getArea method on ArcGIS Pro Ideas. 03-22-2017 05:33 PM
- Kudoed Make map grids and graticules scale dependent for MichaelKraus. 03-21-2017 05:36 PM
- Posted Re: WFS Service isn't respecting the definition query of the ArcGIS Map Service? on ArcGIS Enterprise Questions. 03-21-2017 03:18 PM
- Posted Re: Add "Vincenty" formulas to the Python getArea method on ArcGIS Pro Ideas. 01-25-2017 04:29 PM
- Got a Kudo for Add "Vincenty" formulas to the Python getArea method. 01-25-2017 04:49 AM
- Kudoed Re: Add "Vincenty" formulas to the Python getArea method for DanPatterson_Retired. 01-24-2017 07:18 PM
- Posted Add "Vincenty" formulas to the Python getArea method on ArcGIS Pro Ideas. 01-24-2017 06:43 PM
- Kudoed Add "Vincenty" formulas to the Python getArea method for GregHollard. 01-24-2017 06:43 PM
- Got a Kudo for Add "Vincenty" formulas to the Python getArea method. 01-24-2017 06:43 PM
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11-19-2020
08:42 PM
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