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GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer). GTOPO30 was derived from. GTOPO30 is a digital elevation model for the world, developed by USGS. It has a arc second resolution (approximately 1 km), and is split into 33 tiles stored. GTOPO30 is a global digital elevation model (DEM) produced by the U.S. Geological Survey (USGS) with a horizontal grid spacing of 30 arc seconds.
18 Feb The GTOPO30 global digital elevation model is made by the U.S. Geological Survey's EROS Data Center in Sioux Falls, South Dakota. Background on the GTOPO30 Data Set. The GTOPO30 data set, completed in , was developed by the U.S. Geological Survey's. EROS Data Center with. gtopo Read elevation data from GTOPO30 into a regular matrix map. Syntax. [ map,maplegend] = gtopo30(filename,scalefactor) [map,maplegend].
This MATLAB function reads the GTOPO30 tile specified by tilename and returns the result as a regular data grid. Abstract: Global Digital Elevation Model (GTOPO30) represents gridded 30 arc seconds (+- 1 Km) elevation for the world. These data were by developed by the . USGS 30 ARC-second Global Elevation Data, GTOPO30 ds For assistance , contact Doug Schuster (). GTOPO30 is a Digital Elevation Model (DEM) dataset with a horizontal grid spacing of 30 arc seconds. Note. An example of a GTOPO30 can be found at. 22 Jul Statement: GTOPO30 is a global digital elevation model with a horizontal resolution of 30 arc seconds. Abstract: GTOPO30 is a global digital.