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Can raster data be masked with a polyline (road data) shapefile?

Question asked by jordanawhite on Mar 27, 2012
Latest reply on Mar 27, 2012 by jordanawhite
I???m trying to find areas for potential street trees in an urban area. I???m working with large tiffs, and I want to be able to mask out the roads and sidewalks, so I can then iterate points where trees can be placed. Can someone help me with the tools I need to use. I don't want to run the analysis over the entire tiff, as all I am interested in are trees that can be placed on sidewalks.
I have road data (.shp),  and I was hoping that I would be able to use the clip tool and gain my desired result by increasing the thickness of the line data, however from this all I can yield is the original pixel which the line sits on, instead of the thickness of the border.

Can anybody help? :)