Thursday, March 28, 2013

Vector Analysis 2

Week 10/11 found us working with the ArcToolbox once again, only this time instead of transforming we were overlaying.  Using the various Overlay tools were were able to successful identify areas of interest  given specific criteria.  The Buffer Tool allowed us to create a buffer around a line feature of a specified distance   The Union tool allowed us to join features and attributes of two classes (water_buffer layer and the roads_buff300m layer) into one layer that showed us were the criteria matched for these two buffers.  The Erase tool allowed us to further analyze the data and exclude and area that was contained within the conservation area polygon.  The use of these tools allowed for creation of the map below.



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