I have 300 polygons in a single shapefile, I want merge some polygons together, when I merge two polygons the attribute does not come total count of two polygons,
What I need is, when I merge two polygon the attribute value has to add together and the total value has to come in merged polygon attribute.
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What I need is, when I merge two polygon the attribute value has to add together and the total value has to come in merged polygon attribute.
أكثر...