GeoTrans (Grid)

Author: O.Conrad (c) 2003
Menu: Projection | Alternatives

Description

Coordinate Transformation for Grids. This library makes use of the Geographic Translator (GeoTrans) library. The GeoTrans library is maintained by the National Geospatial Agency (NGA).

References

http://earth-info.nga.mil/GandG/geotrans/

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Source	grid, input	`SOURCE`	-	-
Input	Target System	grid, input, optional	`TEMPLATE`	use this grid's system for output grids	-
Output	Target Grid	grid, output	`OUT_GRID`	-	-
	X Coordinates	grid, output, optional	`X`	-	-
	Y Coordinates	grid, output, optional	`Y`	-	-
Options	Ellipsoids	file path	`DATA_ELLIPSOID`	-	-
	Datums (7 Parameters)	file path	`DATA_DATUM_7`	-	-
	Datums (3 Parameters)	file path	`DATA_DATUM_3`	-	-
	Geoid	file path	`DATA_GEOID`	-	-
	Grid system	grid system	`SOURCE_GRIDSYSTEM`	-	-
	Resampling	choice	`RESAMPLING`	-	Available Choices: [0] Nearest Neighbour [1] Bilinear Interpolation [2] Bicubic Spline Interpolation [3] B-Spline Interpolation Default: 3
	Source Datum	choice	`SOURCE_DATUM`	-	Available Choices: [0] [not set] Default: 0
	Target Datum	choice	`TARGET_DATUM`	-	Available Choices: [0] [not set] Default: 0
	Source Projection	choice	`SOURCE_PROJECTION`	-	Available Choices: [0] [not set] Default: 0
	Target Projection	choice	`TARGET_PROJECTION`	-	Available Choices: [0] [not set] Default: 0
	Target Grid System	choice	`DEFINITION`	-	Available Choices: [0] user defined [1] grid or grid system Default: 0
	Cellsize	floating point number	`USER_SIZE`	-	Minimum: 0.000000 Default: 1.000000
	West	floating point number	`USER_XMIN`	-	Default: 0.000000
	East	floating point number	`USER_XMAX`	-	Default: 100.000000
	South	floating point number	`USER_YMIN`	-	Default: 0.000000
	North	floating point number	`USER_YMAX`	-	Default: 100.000000
	Columns	integer number	`USER_COLS`	Number of cells in East-West direction.	Minimum: 1 Default: 101
	Rows	integer number	`USER_ROWS`	Number of cells in North-South direction.	Minimum: 1 Default: 101
	Rounding	boolean	`USER_FLAT`	Round bounding coordinates to multiples of cell size. Ignored if cell size has decimal places.	Default: 1
	Fit	choice	`USER_FITS`	-	Available Choices: [0] nodes [1] cells Default: 0
	Grid System	grid system	`SYSTEM`	-	-

Command Line


Usage: saga_cmd pj_geotrans 1 [-DATA_ELLIPSOID ] [-DATA_DATUM_7 ] [-DATA_DATUM_3 ] [-DATA_GEOID ] [-SOURCE ] [-RESAMPLING ] [-PROJECTION_SOURCE_DATUM ] [-PROJECTION_TARGET_DATUM ] [-PROJECTION_SOURCE_PROJECTION ] [-PROJECTION_TARGET_PROJECTION ] [-TARGET_DEFINITION ] [-TARGET_USER_SIZE ] [-TARGET_USER_XMIN ] [-TARGET_USER_XMAX ] [-TARGET_USER_YMIN ] [-TARGET_USER_YMAX ] [-TARGET_USER_COLS ] [-TARGET_USER_ROWS ] [-TARGET_USER_FLAT ] [-TARGET_USER_FITS ] [-TARGET_TEMPLATE ] [-TARGET_OUT_GRID ] [-TARGET_X ] [-TARGET_Y ]
  -DATA_ELLIPSOID:              	Ellipsoids
	file path
  -DATA_DATUM_7:                	Datums (7 Parameters)
	file path
  -DATA_DATUM_3:                	Datums (3 Parameters)
	file path
  -DATA_GEOID:                  	Geoid
	file path
  -SOURCE:                      	Source
	grid, input
  -RESAMPLING:                  	Resampling
	choice
	Available Choices:
	[0] Nearest Neighbour
	[1] Bilinear Interpolation
	[2] Bicubic Spline Interpolation
	[3] B-Spline Interpolation
	Default: 3
  -PROJECTION_SOURCE_DATUM:     	Source Datum
	choice
	Available Choices:
	[0] [not set]
	Default: 0
  -PROJECTION_TARGET_DATUM:     	Target Datum
	choice
	Available Choices:
	[0] [not set]
	Default: 0
  -PROJECTION_SOURCE_PROJECTION:	Source Projection
	choice
	Available Choices:
	[0] [not set]
	Default: 0
  -PROJECTION_TARGET_PROJECTION:	Target Projection
	choice
	Available Choices:
	[0] [not set]
	Default: 0
  -TARGET_DEFINITION:           	Target Grid System
	choice
	Available Choices:
	[0] user defined
	[1] grid or grid system
	Default: 0
  -TARGET_USER_SIZE:         	Cellsize
	floating point number
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_XMIN:         	West
	floating point number
	Default: 0.000000
  -TARGET_USER_XMAX:         	East
	floating point number
	Default: 100.000000
  -TARGET_USER_YMIN:         	South
	floating point number
	Default: 0.000000
  -TARGET_USER_YMAX:         	North
	floating point number
	Default: 100.000000
  -TARGET_USER_COLS:            	Columns
	integer number
	Minimum: 1
	Default: 101
  -TARGET_USER_ROWS:            	Rows
	integer number
	Minimum: 1
	Default: 101
  -TARGET_USER_FLAT:            	Rounding
	boolean
	Default: 1
  -TARGET_USER_FITS:            	Fit
	choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:             	Target System
	grid, input, optional
  -TARGET_OUT_GRID:             	Target Grid
	grid, output
  -TARGET_X:                    	X Coordinates
	grid, output, optional
  -TARGET_Y:                    	Y Coordinates
	grid, output, optional