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teaching:m_r:excersize:proj4 [2012/10/10 09:23] 127.0.0.1 external edit |
teaching:m_r:excersize:proj4 [2012/11/07 17:26] karina [Proj.4] |
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- | ====== Proj4 ====== | + | ====== |
- | describe how to do with the following tools: | + | |
- | proj4 | + | ===== Proj.4 ===== |
- | awk | + | Reference: [[https:// |
- | script | + | |
+ | |||
+ | PROJ.4 is a library for performing conversions between cartographic projections. The library is based on the work of Gerald Evenden at the USGS,[2] but is now an OSGeo project maintained by Frank Warmerdam. The library also ships with executables for performing these transformations from the command line. (Reference: [[http:// | ||
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+ | == Download program == | ||
+ | ^Windows^Mac^Linux^ | ||
+ | |[[http:// | ||
+ | |||
+ | |||
+ | |||
+ | ===== Awk ===== | ||
+ | Awk is a terminal program / script program. | ||
+ | |||
+ | Reference: [[http:// | ||
+ | |||
+ | If you are like many computer users, you would frequently like to make changes in various text files wherever certain patterns appear, or extract data from parts of certain lines while discarding the rest. To write a program | ||
+ | |||
+ | The awk utility interprets a special-purpose programming language that makes it possible to handle simple data-reformatting jobs with just a few lines of code. | ||
+ | |||
+ | Find the manual here: [[http:// | ||
+ | |||
+ | == Download program == | ||
+ | ^Windows^Mac^Linux^ | ||
+ | |[[http:// |