SAGA 9.14.1 | Tool Documentation

Direct Georeferencing of Airborne Photographs

Author(s) O.Conrad (c) 2012
Library IDpj_georeference
Tool ID 4
Version 1.0
Menu Projection | Georeferencing

Description

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

Parameters

 NameTypeIdentifierDescriptionConstraints
InputUnreferenced Gridsgrid list, inputINPUT--
Elevationgrid, input, optionalDEM--
Target Systemgrid, input, optionalTARGET_TEMPLATEuse this grid's system for output grids-
OutputReferenced Gridsgrid list, outputOUTPUT--
Extentshapes, output, optionalEXTENT--
OptionsDefaultfloating point numberDEM_DEFAULTdefault value if no grid has been selectedDefault: 0
Focal Length [mm]floating point numberCFL-Minimum: 0.000000 Default: 80
CCD Physical Pixel Size [micron]floating point numberPXSIZE-Minimum: 0.000000 Default: 5.2
Xfloating point numberX-Default: 0
Yfloating point numberY-Default: 0
Zfloating point numberZ-Default: 1000
Omegafloating point numberOMEGAX axis rotation angle [degree] (roll)Default: 0
Phifloating point numberPHIY axis rotation angle [degree] (pitch)Default: 0
Kappafloating point numberKAPPAZ axis rotation angle [degree] (heading)Default: 0
Offsetfloating point numberKAPPA_OFForigin adjustment angle [degree] for kappa (Z axis, heading)Default: 90
OrientationchoiceORIENTATION-Available Choices: [0] BLUH [1] PATB Default: 0
Row OrderchoiceROW_ORDER-Available Choices: [0] top down [1] bottom up Default: 0
ResamplingchoiceRESAMPLING-Available Choices: [0] Nearest Neighbour [1] Bilinear [2] Cubic 1 [3] Cubic 2 Default: 3
Data Typedata typeDATA_TYPE-Available Choices: [0] unsigned 1 byte integer [1] signed 1 byte integer [2] unsigned 2 byte integer [3] signed 2 byte integer [4] unsigned 4 byte integer [5] signed 4 byte integer [6] unsigned 8 byte integer [7] signed 8 byte integer [8] 4 byte floating point number [9] 8 byte floating point number [10] same as original Default: 10
Target Grid SystemchoiceTARGET_DEFINITION-Available Choices: [0] user defined [1] grid or grid system Default: 0
Cellsizefloating point numberTARGET_USER_SIZE-Minimum: 0.000000 Default: 1
Westfloating point numberTARGET_USER_XMIN-Default: 0
Eastfloating point numberTARGET_USER_XMAX-Default: 100
Southfloating point numberTARGET_USER_YMIN-Default: 0
Northfloating point numberTARGET_USER_YMAX-Default: 100
Columnsinteger numberTARGET_USER_COLSNumber of cells in East-West direction.Minimum: 1 Default: 101
Rowsinteger numberTARGET_USER_ROWSNumber of cells in North-South direction.Minimum: 1 Default: 101
RoundingbooleanTARGET_USER_FLATRound bounding coordinates to multiples of cell size. Ignored if cell size has decimal places.Default: 1
FitchoiceTARGET_USER_FITS-Available Choices: [0] nodes [1] cells Default: 0

Command Line


Usage: saga_cmd pj_georeference 4 [-INPUT ] [-OUTPUT ] [-EXTENT ] [-DEM ] [-DEM_DEFAULT ] [-CFL ] [-PXSIZE ] [-X ] [-Y ] [-Z ] [-OMEGA ] [-PHI ] [-KAPPA ] [-KAPPA_OFF ] [-ORIENTATION ] [-ROW_ORDER ] [-RESAMPLING ] [-DATA_TYPE ] [-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 ]
  -INPUT:                 Unreferenced Grids
	grid list, input
  -OUTPUT:                Referenced Grids
	grid list, output
  -EXTENT:                Extent
	shapes, output, optional
  -DEM:                   Elevation
	grid, input, optional
  -DEM_DEFAULT:        Default
	floating point number
	Default: 0
  -CFL:                Focal Length [mm]
	floating point number
	Minimum: 0.000000
	Default: 80
  -PXSIZE:             CCD Physical Pixel Size [micron]
	floating point number
	Minimum: 0.000000
	Default: 5.2
  -X:                  X
	floating point number
	Default: 0
  -Y:                  Y
	floating point number
	Default: 0
  -Z:                  Z
	floating point number
	Default: 1000
  -OMEGA:              Omega
	floating point number
	Default: 0
  -PHI:                Phi
	floating point number
	Default: 0
  -KAPPA:              Kappa
	floating point number
	Default: 0
  -KAPPA_OFF:          Offset
	floating point number
	Default: 90
  -ORIENTATION:           Orientation
	choice
	Available Choices:
	[0] BLUH
	[1] PATB
	Default: 0
  -ROW_ORDER:             Row Order
	choice
	Available Choices:
	[0] top down
	[1] bottom up
	Default: 0
  -RESAMPLING:
                               Resampling
                               	choice
                               	Available Choices:
                               	[0] Nearest Neighbour
                               	[1] Bilinear
                               	[2] Cubic 1
                               	[3] Cubic 2
                               	Default: 3
  -DATA_TYPE:
                               Data Type
                               	data type
                               	Available Choices:
                               	[0] unsigned 1 byte integer
                               	[1] signed 1 byte integer
                               	[2] unsigned 2 byte integer
                               	[3] signed 2 byte integer
                               	[4] unsigned 4 byte integer
                               	[5] signed 4 byte integer
                               	[6] unsigned 8 byte integer
                               	[7] signed 8 byte integer
                               	[8] 4 byte floating point number
                               	[9] 8 byte floating point number
                               	[10] same as original
                               	Default: 10
  -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
  -TARGET_USER_XMIN:   West
	floating point number
	Default: 0
  -TARGET_USER_XMAX:   East
	floating point number
	Default: 100
  -TARGET_USER_YMIN:   South
	floating point number
	Default: 0
  -TARGET_USER_YMAX:   North
	floating point number
	Default: 100
  -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