Tool NameNatural Neighbour
Tool ID3
Library IDgrid_gridding
Version1.0
Author(s)O.Conrad (c) 2008

Description

Natural Neighbour method for grid interpolation from irregular distributed points. This tool makes use of the 'nn - Natural Neighbours interpolation library' created and maintained by Pavel Sakov, CSIRO Marine Research.

References

github.com/sakov/nn-c

Parameters

NameTypeIdentifierDescriptionConstraints
Input
Pointsshapes, inputPOINTS
Target Systemgrid, input, optionalTARGET_TEMPLATEuse this grid's system for output grids
Output
Target Gridgrid, outputTARGET_OUT_GRID
Options
Attributetable fieldFIELD
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
MethodchoiceMETHODAvailable Choices:
[0] Linear
[1] Sibson
[2] Non-Sibsonian
Default: 1
Minimum Weightfloating point numberWEIGHTrestricts extrapolation by assigning minimal allowed weight for a vertex (normally "-1" or so; lower values correspond to lower reliability; "0" means no extrapolation)Maximum: 0.000000
Default: 0.000000