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 | - | - | 
 | Elevation (*) | Grid (optional input) | DEM | - | - | 
| Output | Referenced Grids | Grid list (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 | 
 | Interpolation | Choice | INTERPOLATION | - | Available Choices: [0] Nearest Neigbhor [1] Bilinear Interpolation [2] Inverse Distance Interpolation [3] Bicubic Spline Interpolation [4] B-Spline Interpolation Default: 4 | 
 | 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>] [-INTERPOLATION <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
  -INTERPOLATION:<str>    	Interpolation
	Choice
	Available Choices:
	[0] Nearest Neigbhor
	[1] Bilinear Interpolation
	[2] Inverse Distance Interpolation
	[3] Bicubic Spline Interpolation
	[4] B-Spline Interpolation
	Default: 4
  -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)