SAGA-GIS Tool Library Documentation (v9.1.2)

Tool Canny Edge Detection

Canny edge detection.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputGridGrid, inputGRID--
OutputEdges (*)Grid, output, optionalEDGES--
Edge Lines (*)Shapes, output, optionalEDGE_LINES--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
ThresholdFloating pointTHRESHOLD-Minimum: 0.000000
Default: 1.000000
RatioFloating pointRATIO-Minimum: 1.000000
Default: 3.000000
Kernel SizeIntegerKERNEL_SIZE-Minimum: 1
Maximum: 3
Default: 1
L2 GradientBooleanL2GRADIENT-Default: 0
(*) optional

Command-line

Usage: saga_cmd imagery_opencv 15 [-GRID <str>] [-EDGES <str>] [-EDGE_LINES <str>] [-THRESHOLD <double>] [-RATIO <double>] [-KERNEL_SIZE <num>] [-L2GRADIENT <str>]
  -GRID:<str>        	Grid
	Grid, input
  -EDGES:<str>       	Edges
	Grid, output, optional
  -EDGE_LINES:<str>  	Edge Lines
	Shapes, output, optional
  -THRESHOLD:<double>	Threshold
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -RATIO:<double>    	Ratio
	Floating point
	Minimum: 1.000000
	Default: 3.000000
  -KERNEL_SIZE:<num> 	Kernel Size
	Integer
	Minimum: 1
	Maximum: 3
	Default: 1
  -L2GRADIENT:<str>  	L2 Gradient
	Boolean
	Default: 0