jaanga/terrain-srtm30-plus

This repository relates to the SRTM30 Plus data made available by: The Satellite Geodesy research group at Scripps Institution of Oceanography, University of California San Diego

Terrain SRTM30 Plus read me

This repository relates to the SRTM30 Plus data made available by:

The Satellite Geodesy research group at Scripps Institution of Oceanography, University of California San Diego

See these links for greater detail and background on the data

• http://topex.ucsd.edu/WWW_html/srtm30_plus.html
• ftp://topex.ucsd.edu/pub/srtm30_plus/srtm30/data/

For attributions, copyright and license see: srtm-license-copyright

Concept

Mission

To make the SRTM30 Plus data freely available as heightmaps - highly compressed digital data in PNG format

Vision

To use SRTM30 Plus data as the basis for global 3D elevation data

Contents of the Repository

SRTM30 Plus Files

The 33 SRTM30 Plus files - available unzipped here:

http://caper.ws/terrain-srtm30-plus/srtm/

• "This data consists of 33 files of global topography in the same format as the SRTM30 products distributed by the USGS EROS data center."

• "The grid resolution is 30 second which is roughly one kilometer."

• Rather than clogging up GitHub with 1.73 GB of data, the sample files are on an external server

• Extra benefit: the directory is CORS-enabled and therefore the files can be accessed by any script

• Credits and attributions are available at: http://caper.ws/terrain-srtm30-plus/

SRTM Viewer

Mission: Provide a web browser viewer for SRTM30 Plus files. Translate data on the fly and display it as an image in your browser.

Viewer: SRTM30 Plus SRTM Viewer
Read Me: SRTM30 Plus SRTM Viewer Read Me
Source code on GitHub: https://github.com/jaanga/terrain-srtm30-plus/tree/gh-pages/srtm-viewer

SRTM to PNG

Node.js utility to convert SRTM files to PNG files

Read Me: SRTM to PNG Read Me
Source code on GitHub: https://github.com/jaanga/terrain-srtm30-plus/tree/gh-pages/srtm-to-png

PNG Files

The 33 SRTM30 Plus files converted to PNG heightmaps available unzipped here:

http://caper.ws/terrain-srtm30-plus/png/

• Rather than clogging up GitHub, the sample files are on an external server
• Extra benefit: the directory is CORS-enabled and therefore the files can be accessed by any script

PNG Viewer

Provide a fast, simple utility to view Scripps Institution SRTM files translated to PNG heightmaps

Viewer: SRTM30 Plus PNG Viewer
Read Me: SRTM30 Plus PNG Viewer Read Me
Source code on GitHub: https://github.com/jaanga/terrain-srtm30-plus/tree/gh-pages/png-viewer

PNG to TMS7

Node.js utility to convert PNG files to Tile Map Service Zoom Level 7 files

Read Me: NG to TMS7 Read Me
Source code on GitHub: https://github.com/jaanga/terrain-srtm30-plus/tree/gh-pages/png-to-tms7

TMS7 Files

16,384 TMS Zoom Level 7 Files

http://caper.ws/terrain-srtm30-plus/tms7/

• Rather than clogging up GitHub, the sample files are on an external server
• Extra benefit: the directory is CORS-enabled and therefore the files can be accessed by any script

SRTM PNG TMS7 Compare

Provide a fast, simple utility to view SRTM / PNG / TMS 7 heightmaps

Viewer: TMS7 Compare
Read Me: TMS7 Compare Read Me
Source code on GitHub: https://github.com/jaanga/terrain-srtm30-plus/tree/gh-pages/tms7-compare

TMS7 Viewer

Provide a fast, simple utility to view Scripps Institution SRTM files translated to PNG heightmaps

Viewer: TMS7 Viewer
Read Me: TMS7 Viewer Read Me
Source code on GitHub: https://github.com/jaanga/terrain-srtm30-plus/tree/gh-pages/tms7-viewer

Utilities

The Linux curl utility can be used download the 33 Scripps SRTM1 files

On Windows, curl is available as par of the osGeo4W project.

OSGeo4W is a binary distribution of a broad set of open source geospatial software for Win32 environments (Windows XP, Vista, etc). OSGeo4W includes GDAL/OGR, GRASS, MapServer, OpenEV, uDig, QGIS as well as many other packages (over 150).

See scripps-curl-srtm.bat for the batch file we used to downlaod the files.