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Esri / distance-direction-addin-dotnet

Add-in provides the ability to easily and quickly create geodesy lines, circles, ellipses and range rings.
Apache License 2.0
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Range Ring radials distorted when they would pass near the poles #551

Closed BobBooth closed 5 years ago

BobBooth commented 6 years ago

I'm seeing an issue with the angle of the radials being wrong, the radial features distorted, when range rings are created that have radials that pass near the poles. For example, if I create two range rings sets with 10 rings, 200 km spacing, and 4 radials but put one centered near Thompson Manitoba, and another near the pole in the arctic, you can see some distortion of the east-west oriented radials in the first case, but the arctic case is highly distorted. image also see a larger set of rings further south. image

ArcGIS Pro 2.1.0 Military tools build from April 17, 2018. Web Mercator coordinate system

lfunkhouser commented 5 years ago

Closing. Expected behavior for using this projection in the issue. Recommendation - use different projection for this case.