I have many shapefiles in which there is a start date and an end-date per feature. I am hoping to produce a single shapefile that has each enclosed area with a "days per year" kind of calculation.
Trying to visualize this... if feature a is [ __ ] and feature b is ( __ ) and they overlap...
[ feature a 10/1/2011-10/3/2011 ( overlap ] feature b 10/2/2011-10/8/2011 )
[ feature a = 3 days ][ feature c= 8 days ][ feature b = 6 days ]
So, overlaps calculate properly and become their own feature.
Not sure if this is making sense?
Any help would be great! I've tried using unions, looked at rasters, checked out the toolboxes... Not sure what route to take.
My final map I'm hoping to produce should be a map that shows the duration differences.