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3

You can do this in a few steps: edit: As Ali pointed out, you do need your grid to be polygons, not lines for this workflow. Create a field on the grids to hold the area of each grid (or since they are the same in this case, just note what that area is) Intersect the grids and land usage layers. Compare the area of each output polygon from the intersect ...


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So, you have a polygon feature class where you have multiple polygons. Each polygon has a value stored in the field named Extra. You want to show polygons with unique colors. You should use the Unique values symbology in ArcMap. You can then choose what color your polygons with a certain value will show.


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OK the syntax is incorrect, the example code using fields from my dataset will help you set up the correct VB script structure. if [NAID] = 23 or [NAID] = 38 then x = 5 elseif [NAID] = 34 or [NAID]= 35 then x = 3 else x = 1 end if You run this field calculate on a field (in my example its a numeric field called q), and you put x into the bottom box as ...


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It is possible with a long workaround. But certainly worth it if you need to reuse. Create a dummy layer with the same data you want to show in legend. If you have a layer 'Roads' copy it and we will tweak the copy to make the legend. I often call layers like 'Roads - dummy for legend'. This layer will be turned off when done, be sure to uncheck 'Only ...


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This is not possible to to achieve "dynamically" out-of-the-box. You will have to convert your legend to graphics, un-group and arrange the items as you want them then create a text element for each of the labels you wish to also include in the legend, physically type in the values and apply the same symbology as the label has and move it place.


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Edit: Here is a first version of the tool: http://www.arcgis.com/home/item.html?id=6b5e626860034d59b8d0f1baf1b1da99 Notes: - Only specify shapefiles as input and output. - The tool should not damage your input but still better back it up. - The tool uses tools that require Advanced ArcGIS or ArcInfo license. If it works for you and no easier solution ...


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I'm going to go ahead and expand my comment into an answer. While this is not a solution for ArcGIS, Illustrator, or Photoshop, I feel it would be perfectly valid to do this in QGIS. In the style tab of the Properties Dialog, you can choose gradient fill. You'll want a two colour radial gradient, where the second colour is transparent. Then, set the ...



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