I have a large polygon dataset and no time to rebuild it to regoranize the Object IDs. Many polygons are drawing above others, blocking their symbol (for example on one side of the polygon). I tried using the 'advanced' symbol level drawing however this resulted in the polygons drawing at a glacial pace. For my clients & users, this is not cool. Is there any way to force the polygons I don't want up front to the bottom, without compromizing drawing speed?
asked Apr 16, 2012 at 16:08
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4 Answers
ArcGIS 10 has a new Sort tool. You can reorder your polygons by Area or on multiple fields. The tool will output a new Feature Class.
There's something in the help file which solves this:
In order to put the polygons in some sort of order you could create a new field in the database and have it hierarchical according to drawing order, then use that to sort.
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2She already said the symbol levels did not address the problem, as using it slows refresh too much. Commented May 8, 2012 at 18:26
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I don't know, I've not used sorting and don't have a dataset on hand to test with (for me, the speed of symbol level drawing is ok). It wasn't clear at first that you proposed two alternate approaches. I thought they were one. Commented May 9, 2012 at 21:07
The default mode for symbol level drawing puts each symbol it a separate level and that can slow down drawing. If you really need just one symbol drawn first and the others in any order, use the "Advanced" mode to hand set the symbol levels so that only the one you need to draw first is on a separate level from the others.
The issue ended up being a result of a mistake on the set-up in the enterprise environment regarding the spatial ordering of the data. Once that was fixed by the enterprise data admins, the symbol level drawing worked and loaded quickly!
answered May 22, 2012 at 21:47