I've been working with NLCD data at a county level. My goal is to reclassify the pixels that fall under the open water classification. I've got a hydrography shapefile for the same geographic location so I can compare and areas and see what the open water actually classifies as, whether it's river, lake etc. Is there an easy tool to reclassify these based on the hydrography. For some reason I'm drawing a blank on the most efficient way to do this? Pretty much I want to take the open water cells from my raster and change them from open water to river lake or whatever based on what the hydrography attribute table says.
NLCD : National Land Cover Database. It's published by the USGS every five years in raster format 30x30m pixels. Each pixel is classified by a number which corresponds to a legend representing ladncover type. For instance, any pixel that is classified as 11 means open water. So basically I want to classify all the 11 pixels more in depth to indicate whether they are a lake, river or actually open water since I am looking at an area around the puget sound