If tilename is empty or omitted, a file browser will open for interactive selection of the GTOPO30 header file. Translated by Mouseover text to see original. MathWorks does not warrant, and disclaims all liability for, the accuracy, suitability, or fitness for purpose of the translation.
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For details on locating this data set for download over the Internet, see Find Geospatial Data Online. Extract Every 20th Point from Data Set.
Extract and display full resolution data for the state of Massachusetts. Elevations are given in meters above mean sea level using WGS84 as a horizontal datum.
GTOPO30: Global 30 Arc-Second Elevation
Choose a web site to get translated content where available and see local events and offers. Provide an empty filename and select the file interactively.
Extract Every 10th Point from Column of Data. If latlim and lonlim are omitted, the coordinate limits are determined from the file.
Click the button below to return to the English version of the page. If tilename is empty or omitted, a file browser will open for interactive selection of the GTOPO30 header file.
Based on your location, we recommend that you select: Trial Software Product Updates. The automated translation of this page is provided by a general purpose third party translator tool.
Extract every 20th point from a tile. If samplefactor is omitted or empty, it defaults to 1.
GTOPO Global 30 Arc-Second Elevation | Earth Engine Data Catalog | Google Developers
Select vtopo30 Web Site Choose a web site to get translated content where available and see local events and offers. This is machine translation Translated by. Select the China site in Chinese or English for best site performance.
Gtopp30 cells in this grid that fall outside the extent of the tile are filled with NaN. Other MathWorks country sites are not optimized for visits from your location. Translated by Mouseover text to see original. All Examples Functions More. Extract data for Thailand, an area which straddles two tiles.
Digital Elevation Data Download Site By David Gil
See Also dted globedem gtopo30s satbath tbase usgsdem. Within the tile folders are the uncompressed data files. The CD-device is 'F: MathWorks does not warrant, and disclaims all liability for, the accuracy, suitability, or fitness for purpose of the translation. When samplefactor is an integer n greater than one, every nth point is read.
Extract every 10th point from a column of data 5 degrees around the prime meridian. Click here to see To view all translated materials including this page, select Country from the country navigator on the bottom of this page.
The data is returned at full resolution with the latitude and longitude limits determined from the GTOPO30 tile.
This page has been translated by MathWorks. As with the case with a single tile, any cells in the grid specified by latlim and lonlim are NaN filled if they are not covered by a tile within foldername. The latitude and longitude limits are snapped outward to define the smallest possible rectangular grid of GTOPO30 cells that fully encloses the area defined by the input limits.
The data grid, Zis returned as an array of gotpo30. Read the stateline polygon boundary and calculate boundary limits.