Showing posts with label Union. Show all posts
Showing posts with label Union. Show all posts

Wednesday, November 7, 2012

GEOPROCESSING


GEOPROCESSING

Geoprocessing allows you to analyze and combine layers in different  ways based on the spatial relationships among features. 
  

 Following are the operations in Geoprocessing, 

  • Dissolve - Aggregates features in a single layer that have the same attribute values.
  • Append - Combines two or more adjacent layers into a single layer.
  • Clip - Reduces the spatial extent of one layer based on the extent of another.
  • Intersect - Finds those features falling within the spatial extent common to two layers
  • Union - Combines two polygon layers.