Tool NameFuzzy Landform Element Classification
Tool ID25
Library IDta_morphometry
Version1.0
Author(s)O.Conrad (c) 2013

Description

Algorithm for derivation of form elements according to slope, maximum curvature, minimum curvature, profile curvature, tangential curvature, based on a linear semantic import model for slope and curvature and a fuzzy classification Based on the AML script 'felementf' by Jochen Schmidt, Landcare Research.

Parameters

NameTypeIdentifierDescriptionConstraints
Input
Elevationgrid, inputELEVATION
Slopegrid, inputSLOPE
Minimum Curvaturegrid, inputMINCURV
Maximum Curvaturegrid, inputMAXCURV
Profile Curvaturegrid, inputPCURV
Tangential Curvaturegrid, inputTCURV
Output
Landformgrid, outputFORM
Maximum Membershipgrid, output, optionalMEM
Entropygrid, output, optionalENTROPY
Confusion Indexgrid, output, optionalCI
Plaingrid, output, optionalPLAIN
Pitgrid, output, optionalPIT
Peakgrid, output, optionalPEAK
Ridgegrid, output, optionalRIDGE
Channelgrid, output, optionalCHANNEL
Saddlegrid, output, optionalSADDLE
Back Slopegrid, output, optionalBSLOPE
Foot Slopegrid, output, optionalFSLOPE
Shoulder Slopegrid, output, optionalSSLOPE
Hollowgrid, output, optionalHOLLOW
Foot Hollowgrid, output, optionalFHOLLOW
Shoulder Hollowgrid, output, optionalSHOLLOW
Spurgrid, output, optionalSPUR
Foot Spurgrid, output, optionalFSPUR
Shoulder Spurgrid, output, optionalSSPUR
Options
InputchoiceINPUTif elevation is selected, slopes and curvatures will be calculated internallyAvailable Choices:
[0] elevation
[1] slope and curvatures
Default: 0
MembershipsbooleanMEMBERSHIPDefault: 0
Slope Grid UnitschoiceSLOPETODEGAvailable Choices:
[0] degree
[1] radians
Default: 0
Slope Thresholds [Degree]value rangeT_SLOPElower and upper thresholds for semantic import model, planar vs. sloped areas
Curvature Thresholds [1000 / m]value rangeT_CURVElower and upper thresholds for semantic import model, straight vs. curved areas