Module Direct Georeferencing of Airborne Photographs

Direct georeferencing of aerial photographs uses extrinsic (position, attitude) and intrinsic (focal length, physical pixel size) camera parameters. Orthorectification routine supports additional data from a Digital Elevation Model (DEM).

References:
Baumker, M. / Heimes, F.J. (2001): New Calibration and Computing Method for Direct Georeferencing of Image and Scanner Data Using the Position and Angular Data of an Hybrid Inertial Navigation System. OEEPE Workshop, Integrated Sensor Orientation, Hannover 2001. online.

Author: O.Conrad (c) 2012
Specification: grid
Menu: Projection|Georeferencing

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Unreferenced Grids	Grid list (input)	`INPUT`	-	-
Input	Elevation (*)	Grid (optional input)	`DEM`	-	-
Output	Referenced Grids	Grid list (output)	`OUTPUT`	-	-
Output	Extent (*)	Shapes (optional output)	`EXTENT`	-	-
Options	Default Reference Height	Floating point	`ZREF`	-	Default: 0.000000
	X	Floating point	`X`	-	Default: 0.000000
	Y	Floating point	`Y`	-	Default: 0.000000
	Flying Height	Floating point	`Z`	-	Default: 1000.000000
	Orientation	Choice	`ORIENTATION`	-	Available Choices: [0] BLUH [1] PATB Default: 0
	Omega [degree]	Floating point	`OMEGA`	rotation around the X axis (roll)	Default: 0.000000
	Phi [degree]	Floating point	`PHI`	rotation around the Y axis (pitch)	Default: 0.000000
	Kappa [degree]	Floating point	`KAPPA`	rotation around the Z axis (heading)	Default: 0.000000
	Kappa Offset [degree]	Floating point	`KAPPA_OFF`	origin adjustment for Z axis (heading)	Default: 90.000000
	Focal Length [mm]	Floating point	`CFL`	-	Minimum: 0.000000 Default: 80.000000
	CCD Physical Pixel Size [micron]	Floating point	`PXSIZE`	-	Minimum: 0.000000 Default: 5.200000
	Resampling	Choice	`RESAMPLING`	-	Available Choices: [0] Nearest Neighbour [1] Bilinear Interpolation [2] Bicubic Spline Interpolation [3] B-Spline Interpolation Default: 3
	Data Storage Type	Choice	`DATA_TYPE`	-	Available Choices: [0] 1 byte unsigned integer [1] 1 byte signed integer [2] 2 byte unsigned integer [3] 2 byte signed integer [4] 4 byte unsigned integer [5] 4 byte signed integer [6] 4 byte floating point [7] 8 byte floating point [8] same as original Default: 8
	Row Order	Choice	`ROW_ORDER`	-	Available Choices: [0] top down [1] bottom up Default: 0
(*) optional

Command-line

Usage: saga_cmd pj_georeference 4 [-INPUT <str>] [-OUTPUT <str>] [-EXTENT <str>] [-DEM <str>] [-ZREF <str>] [-X <str>] [-Y <str>] [-Z <str>] [-ORIENTATION <str>] [-OMEGA <str>] [-PHI <str>] [-KAPPA <str>] [-KAPPA_OFF <str>] [-CFL <str>] [-PXSIZE <str>] [-RESAMPLING <str>] [-DATA_TYPE <str>] [-ROW_ORDER <str>] [-TARGET_DEFINITION <str>] [-TARGET_USER_XMIN <str>] [-TARGET_USER_XMAX <str>] [-TARGET_USER_YMIN <str>] [-TARGET_USER_YMAX <str>] [-TARGET_USER_SIZE <str>] [-TARGET_USER_FITS <str>] [-TARGET_TEMPLATE <str>]
  -INPUT:<str>            	Unreferenced Grids
	Grid list (input)
  -OUTPUT:<str>           	Referenced Grids
	Grid list (output)
  -EXTENT:<str>           	Extent
	Shapes (optional output)
  -DEM:<str>              	Elevation
	Grid (optional input)
  -ZREF:<str>             	Default Reference Height
	Floating point
	Default: 0.000000
  -X:<str>                	X
	Floating point
	Default: 0.000000
  -Y:<str>                	Y
	Floating point
	Default: 0.000000
  -Z:<str>                	Flying Height
	Floating point
	Default: 1000.000000
  -ORIENTATION:<str>      	Orientation
	Choice
	Available Choices:
	[0] BLUH
	[1] PATB
	Default: 0
  -OMEGA:<str>            	Omega [degree]
	Floating point
	Default: 0.000000
  -PHI:<str>              	Phi [degree]
	Floating point
	Default: 0.000000
  -KAPPA:<str>            	Kappa [degree]
	Floating point
	Default: 0.000000
  -KAPPA_OFF:<str>        	Kappa Offset [degree]
	Floating point
	Default: 90.000000
  -CFL:<str>              	Focal Length [mm]
	Floating point
	Minimum: 0.000000
	Default: 80.000000
  -PXSIZE:<str>           	CCD Physical Pixel Size [micron]
	Floating point
	Minimum: 0.000000
	Default: 5.200000
  -RESAMPLING:<str>       	Resampling
	Choice
	Available Choices:
	[0] Nearest Neighbour
	[1] Bilinear Interpolation
	[2] Bicubic Spline Interpolation
	[3] B-Spline Interpolation
	Default: 3
  -DATA_TYPE:<str>        	Data Storage Type
	Choice
	Available Choices:
	[0] 1 byte unsigned integer
	[1] 1 byte signed integer
	[2] 2 byte unsigned integer
	[3] 2 byte signed integer
	[4] 4 byte unsigned integer
	[5] 4 byte signed integer
	[6] 4 byte floating point
	[7] 8 byte floating point
	[8] same as original
	Default: 8
  -ROW_ORDER:<str>        	Row Order
	Choice
	Available Choices:
	[0] top down
	[1] bottom up
	Default: 0
  -TARGET_DEFINITION:<str>	Target Grid System
	Choice
	Available Choices:
	[0] user defined
	[1] grid or grid system
	Default: 0
  -TARGET_USER_XMIN:<str> 	Left
	Floating point
	Default: 0.000000
  -TARGET_USER_XMAX:<str> 	Right
	Floating point
	Default: 100.000000
  -TARGET_USER_YMIN:<str> 	Bottom
	Floating point
	Default: 0.000000
  -TARGET_USER_YMAX:<str> 	Top
	Floating point
	Default: 100.000000
  -TARGET_USER_SIZE:<str> 	Cellsize
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_FITS:<str> 	Fit
	Choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:<str>  	Target System
	Grid (optional input)