SrfCalculusOp Values

Enumeration

Value

Description

srfGCFirstDeriv

1

first directional derivative

srfGCSecondDeriv

2

second directional derivative

srfGCCurvature

3

directional curvature

srfGCSlope

4

terrain slope

srfGCAspect

5

terrain aspect

srfGCProfCurv

6

profile curvature

srfGCPlanCurv

7

plan curvature

srfGCTanCurv

8

tangential curvature

srfGCGradient

9

gradient operator

srfGCLaplacian

10

Laplacian operator

srfGCBiharmonic

11

biharmonic operator

srfGCVolume

12

integrated volume

srfGCCorrelogram

13

grid correlogram

srfGCPeriodogram

14

grid periodogram