Tool NameMosaicking
Tool ID3
Library IDgrid_tools
Version1.0
Author(s)O.Conrad (c) 2003-17

Description

The tool allows one to merge multiple grids into one single grid. This involves resampling if the input grids have different cell sizes or are not aligned to each other. Besides different resampling methods, the tool provides several options on how to handle overlapping areas. It is also possible to apply a histogram matching.

In order to be able to also merge a large amount of grids, which, for example, would exceed the maximum command line length, the tools has the option to provide a file list as input (instead of using the input grid list). This is a text file with the full path to an input grid on each line. Please note the limitations: (i) the target grid system is set automatically in this case (the extent is calculated from all inputs and the cell size is set to the smallest one detected) and (ii) the input grids must still fit into memory, i.e. are all loaded at once.

Parameters

NameTypeIdentifierDescriptionConstraints
Input
Gridsgrid list, input, optionalGRIDS
Target Systemgrid, input, optionalTARGET_TEMPLATEuse this grid's system for output grids
Output
Target Gridgrid, outputTARGET_OUT_GRID
Options
Input File Listfile pathFILE_LISTA text file with the full path to an input grid on each line
Data Storage Typedata typeTYPEAvailable Choices:
[0] bit
[1] unsigned 1 byte integer
[2] signed 1 byte integer
[3] unsigned 2 byte integer
[4] signed 2 byte integer
[5] unsigned 4 byte integer
[6] signed 4 byte integer
[7] unsigned 8 byte integer
[8] signed 8 byte integer
[9] 4 byte floating point number
[10] 8 byte floating point number
[11] same as first grid in list
Default: 11
ResamplingchoiceRESAMPLINGAvailable Choices:
[0] Nearest Neighbour
[1] Bilinear
[2] Cubic 1
[3] Cubic 2
Default: 3
Overlapping AreaschoiceOVERLAPAvailable Choices:
[0] first
[1] last
[2] minimum
[3] maximum
[4] mean
[5] blend boundary
[6] feathering
Default: 1
Blending Distancefloating point numberBLEND_DISTblending distance given in map unitsMinimum: 0.000000
Default: 10.000000
Blending BoundarychoiceBLEND_BNDblending boundary for distance calculationAvailable Choices:
[0] valid data cells
[1] grid boundaries
[2] vertical grid boundaries
[3] horizontal grid boundaries
Default: 0
MatchchoiceMATCHAvailable Choices:
[0] none
[1] match histogram of first grid in list
[2] match histogram of overlapping area
[3] regression
Default: 0
Target Grid SystemchoiceTARGET_DEFINITIONAvailable Choices:
[0] user defined
[1] grid or grid system
Default: 0
Cellsizefloating point numberTARGET_USER_SIZEMinimum: 0.000000
Default: 1.000000
Westfloating point numberTARGET_USER_XMINDefault: 0.000000
Eastfloating point numberTARGET_USER_XMAXDefault: 100.000000
Southfloating point numberTARGET_USER_YMINDefault: 0.000000
Northfloating point numberTARGET_USER_YMAXDefault: 100.000000
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_FITSAvailable Choices:
[0] nodes
[1] cells
Default: 0