Tool 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
- Menu: Projection|Georeferencing
Parameters
| Name | Type | Identifier | Description | Constraints | |
|---|---|---|---|---|---|
| Input | Unreferenced Grids | Grid list (input) | INPUT | - | - |
| Elevation (*) | Grid (optional input) | DEM | - | - | |
| Target System (*) | Grid (optional input) | TARGET_TEMPLATE | use this grid's system for output grids | - | |
| Output | Referenced Grids | Grid list (output) | OUTPUT | - | - |
| Extent (*) | Shapes (optional output) | 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: 100 | |
| Rows | Integer | TARGET_USER_ROWS | Number of cells in North-South direction. | Minimum: 1 Default: 100 | |
| 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 (optional output) -DEM:<str> Elevation Grid (optional input) -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: 100 -TARGET_USER_ROWS:<num> Rows Integer Minimum: 1 Default: 100 -TARGET_USER_FITS:<str> Fit Choice Available Choices: [0] nodes [1] cells Default: 0 -TARGET_TEMPLATE:<str> Target System Grid (optional input)