This page has been translated by MathWorks. Select the China site in Chinese or English for best site performance. For details on locating this data set for download over the Internet, see Find Geospatial Data Online. Choose a web site to get translated content where available and see local events and offers.
|Date Added:||19 October 2007|
|File Size:||21.13 Mb|
|Operating Systems:||Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X|
|Price:||Free* [*Free Regsitration Required]|
When samplefactor is an integer n greater than one, every nth point is read.
GTOPO30: Global 30 Arc-Second Elevation
Extract data for Thailand, an area which straddles two tiles. See Also dted globedem gtopo30s satbath tbase usgsdem. Select a Web Site Choose a web site to get translated content where available and see local events and offers. Within the tile folders are the uncompressed data files.
Click the button below to return to the English version of the page. Extract every fifth data point for Thailand.
Extract every 20th point from a tile. Extract and display full resolution data for the state of Massachusetts. If latlim and lonlim are omitted, the coordinate limits are determined from the file.
Digital Elevation Data Download Site By David Gil
MathWorks does not warrant, and disclaims all liability for, the accuracy, suitability, or fitness for purpose of the translation. For details on locating this data set for download over the Internet, see Find Geospatial Data Online. 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.
Click here to see To view all translated materials including this page, select Country from the country navigator on the bottom of this page. Extract every 10th point from a column of data 5 degrees around the prime meridian.
Read the stateline polygon boundary and calculate boundary limits.
Trial Software Product Updates. The CD-device is 'F: This is machine translation Translated by. This page has been translated by MathWorks. If samplefactor is omitted or empty, it defaults to 1.
Extract Every 10th Point from Column of Data. Choose a web site to get translated content where available and see local events and offers. Extract Every 20th Point from Data Set. Based on your location, we recommend that you select: The data grid, Zis returned as an array of elevations. The data is returned at full resolution with the latitude gtopp30 longitude limits determined from the GTOPO30 tile.
Translated by Mouseover text to see original. The automated translation of this page is provided by a general purpose third party translator tool. Select the China site in Chinese or English for best site performance.
If tilename is empty gtppo30 omitted, a file browser will open for interactive selection of the GTOPO30 header file.
Provide an empty filename and select the file interactively. As with the case with a single tile, any cells in the grid specified gtopl30 latlim and lonlim are NaN filled if they are not covered by a tile within foldername.
Elevations are given in meters above mean sea level using WGS84 as a horizontal datum. All Examples Functions More.