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Generalized/triangulated polygons

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07-03-2012 12:09 PM
PJNabors
Regular Contributor
Has anyone else noticed that occasionally when zooming in, the polygons stay generalized even after zooming much closer?  Each polygon may only have 3 vertices instead of 30 or so they are supposed to have?
Only occasionally see it so don't have a snapshot to show you yet.
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MikeMinami
Esri Notable Contributor
Thanks, this is a bug. The Zoom To causes the features to be drawn at the zoomed out scale (also if you click the "X" to close the popup). Just click once on the map, then zoom in/out again and the features will draw correctly.

Thanks,

Mike

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JasonBalmut
Frequent Contributor
Yes, I think we are seeing something similar.  When zooming in and out we are seeing the angles on polygons change slightly.  In these screenshots you can see the corner circled in red go from an obtuse angle to a right angle.

[ATTACH=CONFIG]15748[/ATTACH]  Small scale

[ATTACH=CONFIG]15749[/ATTACH]  Large scale

Is that the same phenomenon you're seeing or is it something different entirely?
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PJNabors
Regular Contributor
Ours is much worse.  You would only see a triangle instead.  The entire shape changes.
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PJNabors
Regular Contributor
Here is an example of what happens sometimes when I zoom in:


In this case, I zoomed out and then back in to get it back to the original linework.
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PJNabors
Regular Contributor
I am now able to repeat the error!
http://tva.maps.arcgis.com/apps/OnePane/basicviewer/index.html?appid=7018cefe542d4146847e45f3e75b7ce...

Wait for the polygons to finish drawing.  Click on the first purple polygon south of Murfreesboro, TN (southeast of Nashville).
The polygon will be highlighted and pop-up will come up with the attribute info. 
Click 'Zoom to' (lower left of pop-up window).  You will see the generalized/triangulated polygon picture that I posted for Normandy.
Any help appreciated!
Even if we could disable the Zoom to feature, that would be fine just so we can finally get this rolled out.
PJ
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MikeMinami
Esri Notable Contributor
Thanks, this is a bug. The Zoom To causes the features to be drawn at the zoomed out scale (also if you click the "X" to close the popup). Just click once on the map, then zoom in/out again and the features will draw correctly.

Thanks,

Mike
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PJNabors
Regular Contributor
Thank you.  When do you estimate this bug to be fixed? 
(although rare, sometimes it does get stuck and you have to restart the map)

Since this is keeping us from finally rolling our map out to the public we are disabling the pop-up windows until it gets fixed.  Is there a bug fix number I could track?

Thanks!
PJ
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MikeMinami
Esri Notable Contributor
Here's a tracking number: NIM082633

This issue is in our JavaScript API. The next scheduled update is November, so I'll put it on track for then.

Thanks,

Mike
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PJNabors
Regular Contributor
Thanks you very much.
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SudhirPonnappan
Deactivated User
Has this been fixed?
Any suggested work around?
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