Quadjoin Seamlessly join 1 or more USGS DRG (.tif) files using the accompanying world file (.tfw).
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Quadjoin Tags

tif USGS DRG joiner join USGS DRG join tif file USGS DRG tfw seamlessly USGS Digital Elevation Models

Quadjoin Description

Quadjoin is a small reliable tool that will seamlessly join 1 or more USGS DRG (.tif) files using the accompanying world file (.tfw file) Any collars are clipped. Optionally make transparent background (warning this will increase file size). Note: the tiff files must have the same attributes, e.g. scale, color map, etc. The following tools are also included in the download package: shptoshp - copy shape file to another and convert lat/long to utm (or any proj.4 projection) or with -i option utm to lat/long, shptotxt - convert shapefile to txt file (for dlgvu) and drgshp - draw shapefiles in a USGS DRG quadrangle tiff

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