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Merging Raster files

AnanG

I want to merge many landuse raster data. Each raster file has its own different kinds of landuse type.

When I try to merge all of them (I have like 30+ raster files) the "Mosaic to New Raster" tool gives me an output with only 4 (the minimum number of unique values in one of the raster files) types of landuse file.

I also tried using "Combine" tool with (< 20 files) but it didn't work.

How can I merge all the landuse raster files and also get 7 unique values in the final output?

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AnanG

Hi Dan,

One of the tiles seem to be overlapping. Here is the extent.

DanPatterson_Retired

extent.... left right, top bottom... are they all the same or are they side-by-side or are there some that overlap

AnanG

What do you mean by "overlap in extent"? They all have the same geographic coordinate system.

Prior to merging, I previously reclassified them with landuse categories from 1 to 7.

DanPatterson_Retired

do they overlap in extent?

are they adjacent with no overlap?

Answers to these questions might suggest whether a reclass is necessary for some or all the files or whether a merge/mosaic in combination with a combine is necessary

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