Tool Direct Georeferencing of Airborne Photographs

Direct georeferencing of aerial photographs uses extrinsic (position, altitude) 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. PDF.

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

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Unreferenced Grids	Grid list, input	`INPUT`	-	-
	Elevation (*)	Grid, input, optional	`DEM`	-	-
	Target System (*)	Grid, input, optional, CMD	`TARGET_TEMPLATE`	use this grid's system for output grids	-
Output	Referenced Grids	Grid list, output	`OUTPUT`	-	-
Output	Extent (*)	Shapes, output, optional	`EXTENT`	-	-
Options	Grid System	Grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Grid system	Grid system	`DEM_GRIDSYSTEM`	-	-
	Default	Floating point	`DEM_DEFAULT`	default value if no grid has been selected	Default: 0.000000
	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
	X	Floating point	`X`	-	Default: 0.000000
	Y	Floating point	`Y`	-	Default: 0.000000
	Z	Floating point	`Z`	-	Default: 1000.000000
	Omega	Floating point	`OMEGA`	X axis rotation angle [degree] (roll)	Default: 0.000000
	Phi	Floating point	`PHI`	Y axis rotation angle [degree] (pitch)	Default: 0.000000
	Kappa	Floating point	`KAPPA`	Z axis rotation angle [degree] (heading)	Default: 0.000000
	Offset	Floating point	`KAPPA_OFF`	origin adjustment angle [degree] for kappa (Z axis, heading)	Default: 90.000000
	Orientation	Choice	`ORIENTATION`	-	Available Choices: [0] BLUH [1] PATB Default: 0
	Row Order	Choice	`ROW_ORDER`	-	Available Choices: [0] top down [1] bottom up Default: 0
	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
	Target Grid System	Choice	`TARGET_DEFINITION`	-	Available Choices: [0] user defined [1] grid or grid system Default: 0
	Cellsize	Floating point	`TARGET_USER_SIZE`	-	Minimum: 0.000000 Default: 1.000000
	West	Floating point	`TARGET_USER_XMIN`	-	Default: 0.000000
	East	Floating point	`TARGET_USER_XMAX`	-	Default: 100.000000
	South	Floating point	`TARGET_USER_YMIN`	-	Default: 0.000000
	North	Floating point	`TARGET_USER_YMAX`	-	Default: 100.000000
	Columns	Integer	`TARGET_USER_COLS`	Number of cells in East-West direction.	Minimum: 1 Default: 101
	Rows	Integer	`TARGET_USER_ROWS`	Number of cells in North-South direction.	Minimum: 1 Default: 101
	Fit	Choice	`TARGET_USER_FITS`	-	Available Choices: [0] nodes [1] cells Default: 0
	Grid System	Grid system	`TARGET_SYSTEM`	-	-
(*) optional

Command-line

Usage: saga_cmd pj_georeference 4 [-INPUT <str>] [-OUTPUT <str>] [-EXTENT <str>] [-DEM <str>] [-DEM_DEFAULT <double>] [-CFL <double>] [-PXSIZE <double>] [-X <double>] [-Y <double>] [-Z <double>] [-OMEGA <double>] [-PHI <double>] [-KAPPA <double>] [-KAPPA_OFF <double>] [-ORIENTATION <str>] [-ROW_ORDER <str>] [-RESAMPLING <str>] [-DATA_TYPE <str>] [-TARGET_DEFINITION <str>] [-TARGET_USER_SIZE <double>] [-TARGET_USER_XMIN <double>] [-TARGET_USER_XMAX <double>] [-TARGET_USER_YMIN <double>] [-TARGET_USER_YMAX <double>] [-TARGET_USER_COLS <num>] [-TARGET_USER_ROWS <num>] [-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, output, optional
  -DEM:<str>                	Elevation
	Grid, input, optional
  -DEM_DEFAULT:<double>     	Default
	Floating point
	Default: 0.000000
  -CFL:<double>             	Focal Length [mm]
	Floating point
	Minimum: 0.000000
	Default: 80.000000
  -PXSIZE:<double>          	CCD Physical Pixel Size [micron]
	Floating point
	Minimum: 0.000000
	Default: 5.200000
  -X:<double>               	X
	Floating point
	Default: 0.000000
  -Y:<double>               	Y
	Floating point
	Default: 0.000000
  -Z:<double>               	Z
	Floating point
	Default: 1000.000000
  -OMEGA:<double>           	Omega
	Floating point
	Default: 0.000000
  -PHI:<double>             	Phi
	Floating point
	Default: 0.000000
  -KAPPA:<double>           	Kappa
	Floating point
	Default: 0.000000
  -KAPPA_OFF:<double>       	Offset
	Floating point
	Default: 90.000000
  -ORIENTATION:<str>        	Orientation
	Choice
	Available Choices:
	[0] BLUH
	[1] PATB
	Default: 0
  -ROW_ORDER:<str>          	Row Order
	Choice
	Available Choices:
	[0] top down
	[1] bottom up
	Default: 0
  -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
  -TARGET_DEFINITION:<str>  	Target Grid System
	Choice
	Available Choices:
	[0] user defined
	[1] grid or grid system
	Default: 0
  -TARGET_USER_SIZE:<double>	Cellsize
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_XMIN:<double>	West
	Floating point
	Default: 0.000000
  -TARGET_USER_XMAX:<double>	East
	Floating point
	Default: 100.000000
  -TARGET_USER_YMIN:<double>	South
	Floating point
	Default: 0.000000
  -TARGET_USER_YMAX:<double>	North
	Floating point
	Default: 100.000000
  -TARGET_USER_COLS:<num>   	Columns
	Integer
	Minimum: 1
	Default: 101
  -TARGET_USER_ROWS:<num>   	Rows
	Integer
	Minimum: 1
	Default: 101
  -TARGET_USER_FITS:<str>   	Fit
	Choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:<str>    	Target System
	Grid, input, optional, CMD