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As a consequence, they made previous conversion programs obsolete and more difficult to use in practice. The following is a quote from the Tech Note: "Since this TechNote was first developed in the summer of 2000, the USGS has undergone many changes in their data formats and sources. Power Line Systems has developed a Tech Note describing the how in importĬhartTiff Geo's / DRGs / DOQQs and NEDs / DEMs into PLS-CADD. Importing ChartTiff Geos / DRGs / DOQQs and NEDs / DEMs into PLS-CADD

PLS-CADD 3D Image using ChartTiff 30 Meter NEDs and DOQQs Select PLS-CADD XYZ File Format as the Output Format. Once Elevation Data is in cart, simply check out and Users can now do simple File / Open to input Elevation Data. Reading ChartTiff NxGen Geos / Geos and ChartTiff USGS DOQQs / NAIP DOQQsĬhartTiff offers Collarless / Seamless Topo Maps for PLS-CADD.ĬhartTiff offers Elevation Data in PLS-CADD XYZ File Format.