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Symbolizing Overlapping Oil & Gas Polygons in ArcGIS Desktop?
I am mapping an area where there are a lot of overlapping features because of certain Oil & Gas wells being drilled within the same geographic area, but to different depths and maintained by different companies.
There might be one large Oil & Gas unit (polygon) that is drilled to 5,000' and another smaller unit (polygon) within the same geographic boundary that is drilled to 10,000'.
Each polygon is symbolized based on company, so I have been messing with symbol levels to draw certain ones on top, but I don't feel like this is the best way to get ArcMap to automatically draw smaller ones on top and keep the larger ones on bottom. Is this possible?
One way to guarantee the smaller polygons always draw on top is to add two (or more if needed) instances of the same layer to the map. The lower instance in the layer list should be queried to only show the larger polygons, and the higher instance queried to show smaller polygons. From there you can adjust symbology
One way to guarantee the smaller polygons always draw on top is to add two (or more if needed) instances of the same layer to the map. The lower instance in the layer list should be queried to only show the larger polygons, and the higher instance queried to show smaller polygons. From there you can adjust symbology, including transparency, as necessary.2018-04-11 05:40:39
ArcMap just orders based on geometry type: 1. Points, 2. Lines, 3. Polygons.
My suggestion is to use transparency to help you symbolize these overlapping features. Take a look at a color wheel when you're selecting colors and choose colors that have good additive properties.
By using this technique you'll be able to identify the individual layers and areas where they overlap. Adjust your transparency accordingly.
If the polygon boundaries overlap EXACTLY, your best bet might be to add a depth value into the attribute table, which you could use ArcScene to visualize your data in 3D.2018-04-11 06:55:08