PROJ4 - Revision history

Anatrancoso at 17:04, 19 August 2010

2010-08-19T17:04:52Z

Anatrancoso at 16:59, 19 August 2010

2010-08-19T16:59:22Z

Anatrancoso at 16:07, 19 August 2010

2010-08-19T16:07:38Z

Anatrancoso at 16:01, 19 August 2010

2010-08-19T16:01:30Z

Anatrancoso: /* PROJ4 */

2010-08-19T15:53:18Z

‎PROJ4

Anatrancoso: /* UNIX */

2010-08-19T14:00:41Z

‎UNIX

Anatrancoso: /* Usage */

2010-08-19T13:53:23Z

‎Usage

Anatrancoso: /* UNIX */

2010-08-19T13:51:36Z

‎UNIX

Anatrancoso: /* UNIX */

2010-08-19T13:50:26Z

‎UNIX

Anatrancoso at 19:07, 18 August 2010

2010-08-18T19:07:01Z

@@ Line 95: / Line 95: @@
 Here's the command line on how to convert from military portuguese to wgs84:
    cs2cs +init=pt:dlxhgmil +to +init=pt:etrs89 < coords_input.txt
 =External Links=
@@ Line 101: / Line 106: @@
 *[http://dl.maptools.org/dl/omsug/osgis2004/PROJ4_HandlingCoordinateSystems.pdf PROJ4_HandlingCoordinateSystems.pdf]
 *[http://www.posc.org/Epicentre.2_2/DataModel/ExamplesofUsage/eu_cs34.html Projections and Projected Coordinate System Formulas]

@@ Line 30: / Line 30: @@
 The Proj4 is well documented. Here are some commands that I found useful.
-===Projections===
+===Basic===
-*List of projections in PROJ4: proj -lp
+ proj -f "%.2f" +proj=utm +zone=29 +ellps=WGS84
-===Ellipsoids===
+====meters to degrees (inverse projection)====
-Here's the command line on how to convert from military portuguese to wgs84:
+ proj -I -f "%.2f" +proj=utm +zone=29 +ellps=WGS84
-  cs2cs +init=pt:dlxhgmil +to +init=pt:etrs89 < coords_input.txt
+.11 4229712.04                                 (input)
 ===Portuguese Military Coordinates (Hayford-Gauss Military System)===
@@ Line 60: / Line 51: @@
 *Origin: -200Km horizontally and -300 Km vertically
-Usage:
+ proj -f "%.2f" +init=epsg:20790
-*'''+init=epsg:20790''' <=> +proj=tmerc +lat_0=39.66666666666666 +lon_0=-8.131906111111112 +k=1.000000
+or
 ===Universal Transverse Mercator (zone 29N)===
-Usage:
+ proj -f "%.2f" +init=esri:32629
-*ModuleHorizontalGrid: '''+init=esri:32629''' <=> +proj=utm +zone=29 +ellps=WGS84 +datum=WGS84 +units=m
 =External Links=

@@ Line 5: / Line 5: @@
 It is written in C but a Fortran wrapper was developed as part of the [http://www.cbcb.umd.edu/software/glimmer/ GLIMMER] project. More information can be found in [[libfproj4]]
-==Installation==
+=Installation=
 ===Windows===
 * Download http://download.osgeo.org/proj/proj446_win32_bin.zip
@@ Line 26: / Line 26: @@
 * Go to your Package Manager or download source code from http://trac.osgeo.org/proj/ and follow the instructions.
-==Usage==
+=Usage=
 The Proj4 is well documented. Here are some commands that I found useful.

@@ Line 1: / Line 1: @@
-This page explains what is [http://proj.maptools.org/ PROJ4] library and how to use it, both from command line and from a Fortran program.
+This page explains what is [http://proj.maptools.org/ PROJ4] library and how to use it from the command line, in Windows and in Linux.
-[http://proj.maptools.org/ PROJ4] is a Cartographic Projections library originally written by Gerald Evenden then of the USGS. This library has almost all projection types. Being written in C, a Fortran wrapper was developed as part of the [http://www.cbcb.umd.edu/software/glimmer/ GLIMMER] project and can be found in [http://forge.nesc.ac.uk/download.php/10/libfproj4-1.0.tar.gz libfproj4-1.0.tar.gz].
+[http://proj.maptools.org/ PROJ4] is an open-source Cartographic Projections library originally written by Gerald Evenden then of the USGS. This library has almost all projection types and it is very usefull to convert coordinates for a series of points.
-==PROJ4==
+It is written in C but a Fortran wrapper was developed as part of the [http://www.cbcb.umd.edu/software/glimmer/ GLIMMER] project. More information can be found in [[libfproj4]]
-===Installation===
-====Windows====
+==Installation==
 * Download http://download.osgeo.org/proj/proj446_win32_bin.zip
 * Extract and copy "proj" folder to C:\
@@ Line 22: / Line 23: @@
 *write "proj -V" to see the version of the library.
-====Linux====
+===Linux===
 * Go to your Package Manager or download source code from http://trac.osgeo.org/proj/ and follow the instructions.
-===Usage===
+==Usage==
-==libfproj4 (Fortran Wrapper)==
+The Proj4 is well documented. Here are some commands that I found useful.
-===Compilation===
+===Projections===
-*extract [http://forge.nesc.ac.uk/download.php/10/libfproj4-1.0.tar.gz libfproj4.tar.gz] to some place (e.g. DIR)
+*List of projections in PROJ4: proj -lp
-*make 2>&1 | tee make.log
+===Ellipsoids===
 *List of ellipsoids in PROJ4: proj -le
 *More popular:
@@ Line 76: / Line 44: @@
 b = a*(1-f) = a*(1-1/rf)
+===Portuguese Coordinate Systems in PROJ4===
 You might want to get the libraries containing the coordinate transformations with portuguese datum
@@ Line 83: / Line 50: @@
 Here's the command line on how to convert from military portuguese to wgs84:
- > cs2cs +init=pt:dlxhgmil +to +init=pt:etrs89 < coords_input.txt
+  cs2cs +init=pt:dlxhgmil +to +init=pt:etrs89 < coords_input.txt
 ===Portuguese Military Coordinates (Hayford-Gauss Military System)===
@@ Line 92: / Line 59: @@
 *Central Point: 39º40’N, 8º07’54.862’’W
 *Origin: -200Km horizontally and -300 Km vertically
-*Usage:
-**'''+init=epsg:20790''' <=> +proj=tmerc +lat_0=39.66666666666666 +lon_0=-8.131906111111112 +k=1.000000
+Usage:
 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +units=m +no_defs  no_defs <>
-**'''+init=esri:102164''' <=> +proj=tmerc +lat_0=39.666666667 +lon_0=-8.131906111 +k=1.000000
+*'''+init=esri:102164''' <=> +proj=tmerc +lat_0=39.666666667 +lon_0=-8.131906111 +k=1.000000
 +x_0=200000.000 +y_0=300000.000 +ellps=intl +units=m (no reference to Lisbon Datum!!)
@@ Line 101: / Line 70: @@
 ===Universal Transverse Mercator (zone 29N)===
-*Usage:
+Usage:
-**ModuleHorizontalGrid: '''+init=esri:32629''' <=> +proj=utm +zone=29 +ellps=WGS84 +datum=WGS84 +units=m
+*ModuleHorizontalGrid: '''+init=esri:32629''' <=> +proj=utm +zone=29 +ellps=WGS84 +datum=WGS84 +units=m
 =External Links=
 *[http://proj.maptools.org/ PROJ4]
 *[http://www.isa.utl.pt/dm/sigdr/sigdr04-05/9_SistRefPortugueses.ppt Sistemas Referencia Portugueses]
 *[http://dl.maptools.org/dl/omsug/osgis2004/PROJ4_HandlingCoordinateSystems.pdf PROJ4_HandlingCoordinateSystems.pdf]
 *[http://www.posc.org/Epicentre.2_2/DataModel/ExamplesofUsage/eu_cs34.html Projections and Projected Coordinate System Formulas]

@@ Line 21: / Line 21: @@
 *cd .. until prompt is C:\>
 *write "proj -V" to see the version of the library.
 ==libfproj4 (Fortran Wrapper)==

@@ Line 50: / Line 50: @@
 ===Usage===
 ====UNIX====
 *pgf95 -g  -o libfproj4_teste.exe  libfproj4_teste.f90 /home/jjdd/Downloads/libfproj4-1.0/libfproj4.a -lproj -lm

@@ Line 27: / Line 27: @@
 ====UNIX====
-*extract libfproj4.tar.gz to some place (e.g. DIR)
+*extract [http://forge.nesc.ac.uk/download.php/10/libfproj4-1.0.tar.gz libfproj4.tar.gz] to some place (e.g. DIR)
 *cd $DIR
 *export export CC=icc

@@ Line 3: / Line 3: @@
 [http://proj.maptools.org/ PROJ4] is a Cartographic Projections library originally written by Gerald Evenden then of the USGS. This library has almost all projection types. Being written in C, a Fortran wrapper was developed as part of the [http://www.cbcb.umd.edu/software/glimmer/ GLIMMER] project and can be found in [http://forge.nesc.ac.uk/download.php/10/libfproj4-1.0.tar.gz libfproj4-1.0.tar.gz].
-==Compilation==
+Now test it:
-===UNIX===
+*Windows/Run/cmd
 Just follow the instructions.
-===Windows===
+====Windows====
 *Download [[\\kepler\Software\PROJ4\libfproj4.lib]] for Compaq Visual Studio, or
 *Compile W32 static lib:
@@ Line 16: / Line 36: @@
 *# Project Settings / C/C++ / Preprocessor / include : whatever\proj-4.6.0\src (the folder that has projects.h, because of directives #include <projects.h>)
-==Test Fortran API==
+===Usage===
-===UNIX===
+=====UNIX====
 *pgf95 -g  -o libfproj4_teste.exe  libfproj4_teste.f90 /home/jjdd/Downloads/libfproj4-1.0/libfproj4.a -lproj -lm
-===Windows===
+====Windows====
 *Files needed: libfproj4.lib, proj4.inc, proj4.f90, test-proj.f90
 #New Fortran console application