SAGA.ta_morphometry.21: Terrain Surface Convexity

Terrain surface convexity as proposed by Iwahashi & Pike (2007) for subsequent terrain classification.

Inputs

Elevation

format
href
Please set a value for DEM.

Laplacian Filter Kernel

string

Type

string

Flat Area Threshold

number

Scale (Cells)

integer

Method

string

Weighting Function

string

Inverse Distance Weighting Power

number

Calculates weights for distance plus one, avoiding division by zero for zero distances

boolean

Gaussian and Exponential Weighting Bandwidth

number

Outputs

Convexity

format
transmission

Execution options

successUri
inProgressUri
failedUri

format

mode

Execute End Point

View the execution endpoint of a process.

View the alternative version in HTML.

{"id": "SAGA.ta_morphometry.21", "title": "Terrain Surface Convexity", "description": "Terrain surface convexity as proposed by Iwahashi & Pike (2007) for subsequent terrain classification.", "version": "1.0.0", "jobControlOptions": ["sync-execute", "async-execute", "dismiss"], "outputTransmission": ["value", "reference"], "links": [{"rel": "http://www.opengis.net/def/rel/ogc/1.0/execute", "type": "application/json", "title": "Execute End Point", "href": "http://tb17.geolabs.fr:8119/ogc-api/processes/SAGA.ta_morphometry.21/execution"}, {"rel": "alternate", "type": "text/html", "title": "Execute End Point", "href": "http://tb17.geolabs.fr:8119/ogc-api/processes/SAGA.ta_morphometry.21/execution.html"}], "inputs": {"DEM": {"title": "Elevation", "description": "Elevation", "extended-schema": {"oneOf": [{"allOf": [{"$ref": "http://zoo-project.org/dl/link.json"}, {"type": "object", "properties": {"type": {"enum": ["image/tiff", "application/x-ogc-envi", "application/x-ogc-aaigrid", "image/png"]}}}]}, {"type": "object", "required": ["value"], "properties": {"value": {"oneOf": [{"type": "string", "contentEncoding": "base64", "contentMediaType": "image/tiff"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-envi"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-aaigrid"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "image/png"}]}}}]}, "schema": {"oneOf": [{"type": "string", "contentEncoding": "base64", "contentMediaType": "image/tiff"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-envi"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-aaigrid"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "image/png"}]}, "id": "DEM"}, "KERNEL": {"title": "Laplacian Filter Kernel", "description": "Laplacian Filter Kernel", "schema": {"type": "string", "default": "conventional four-neighbourhood", "enum": ["conventional four-neighbourhood", "conventional eight-neihbourhood", "eight-neihbourhood (distance based weighting)"], "nullable": true}, "id": "KERNEL"}, "TYPE": {"title": "Type", "description": "Type", "schema": {"type": "string", "default": "convexity", "enum": ["convexity", "concavity"], "nullable": true}, "id": "TYPE"}, "EPSILON": {"title": "Flat Area Threshold", "description": "Flat Area Threshold", "schema": {"type": "number", "default": 0, "format": "double", "nullable": true}, "id": "EPSILON"}, "SCALE": {"title": "Scale (Cells)", "description": "Scale (Cells)", "schema": {"type": "integer", "default": 10, "nullable": true}, "id": "SCALE"}, "METHOD": {"title": "Method", "description": "Method", "schema": {"type": "string", "default": "resampling", "enum": ["counting cells", "resampling"], "nullable": true}, "id": "METHOD"}, "DW_WEIGHTING": {"title": "Weighting Function", "description": "Weighting Function", "schema": {"type": "string", "default": "gaussian weighting", "enum": ["no distance weighting", "inverse distance to a power", "exponential", "gaussian weighting"], "nullable": true}, "id": "DW_WEIGHTING"}, "DW_IDW_POWER": {"title": "Inverse Distance Weighting Power", "description": "Inverse Distance Weighting Power", "schema": {"type": "number", "default": 1, "format": "double", "nullable": true}, "id": "DW_IDW_POWER"}, "DW_IDW_OFFSET": {"title": "Inverse Distance Offset", "description": "Calculates weights for distance plus one, avoiding division by zero for zero distances", "schema": {"type": "boolean", "default": false, "enum": ["true", "false"], "nullable": true}, "id": "DW_IDW_OFFSET"}, "DW_BANDWIDTH": {"title": "Gaussian and Exponential Weighting Bandwidth", "description": "Gaussian and Exponential Weighting Bandwidth", "schema": {"type": "number", "default": 0.7, "format": "double", "nullable": true}, "id": "DW_BANDWIDTH"}}, "outputs": {"CONVEXITY": {"title": "Convexity", "description": "Convexity", "extended-schema": {"oneOf": [{"allOf": [{"$ref": "http://zoo-project.org/dl/link.json"}, {"type": "object", "properties": {"type": {"enum": ["image/tiff", "application/x-ogc-envi", "application/x-ogc-aaigrid", "image/png"]}}}]}, {"type": "object", "required": ["value"], "properties": {"value": {"oneOf": [{"type": "string", "contentEncoding": "base64", "contentMediaType": "image/tiff"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-envi"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-aaigrid"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "image/png"}]}}}]}, "schema": {"oneOf": [{"type": "string", "contentEncoding": "base64", "contentMediaType": "image/tiff"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-envi"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-aaigrid"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "image/png"}]}, "id": "CONVEXITY"}}}

http://tb17.geolabs.fr:8119/ogc-api/processes/SAGA.ta_morphometry.21.html
Last modified: Sat Feb 19 15:43:34 CET 2022