SAGA.grid_filter.17: Wombling for Multiple Features (Edge Detection)
Continuous Wombling for edge detection. Uses magnitude of gradient to detect edges between adjacent cells. Edge segments connect such edges, when the difference of their gradient directions is below given threshold.
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{"id": "SAGA.grid_filter.17", "title": "Wombling for Multiple Features (Edge Detection)", "description": "Continuous Wombling for edge detection. Uses magnitude of gradient to detect edges between adjacent cells. Edge segments connect such edges, when the difference of their gradient directions is below given threshold.", "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.grid_filter.17/execution"}, {"rel": "alternate", "type": "text/html", "title": "Execute End Point", "href": "http://tb17.geolabs.fr:8119/ogc-api/processes/SAGA.grid_filter.17/execution.html"}], "inputs": {"TMAGNITUDE": {"title": "Minimum Magnitude", "description": "Minimum magnitude as percentile.", "schema": {"type": "number", "default": 90, "format": "double", "minimum": 0, "maximum": 100, "nullable": true}, "id": "TMAGNITUDE"}, "TDIRECTION": {"title": "Maximum Angle", "description": "Maximum angular difference as degree between adjacent segment points.", "schema": {"type": "number", "default": 30, "format": "double", "minimum": 0, "maximum": 180, "nullable": true}, "id": "TDIRECTION"}, "TNEIGHBOUR": {"title": "Minimum Neighbours", "description": "Minimum number of neighbouring potential edge cells with similar direction.", "schema": {"type": "integer", "default": 1, "nullable": true}, "id": "TNEIGHBOUR"}, "ALIGNMENT": {"title": "Alignment", "description": "Alignment", "schema": {"type": "string", "default": "on cell", "enum": ["between cells", "on cell"], "nullable": true}, "id": "ALIGNMENT"}, "NEIGHBOUR": {"title": "Edge Connectivity", "description": "Edge Connectivity", "schema": {"type": "string", "default": "Queen's case", "enum": ["Rooke's case", "Queen's case"], "nullable": true}, "id": "NEIGHBOUR"}, "FEATURES": {"title": "Features", "description": "Features", "maxOccurs": 1024, "extended-schema": {"type": "array", "minItems": 1, "maxItems": 1024, "items": {"oneOf": [{"allOf": [{"$ref": "http://zoo-project.org/dl/link.json"}, 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{"title": "Additional Output", "description": "Additional Output", "schema": {"type": "string", "default": "none", "enum": ["none", "gradients", "edge cells"], "nullable": true}, "id": "OUTPUT_ADD"}, "ZERO_AS_NODATA": {"title": "Zero as No-Data", "description": "Zero as No-Data", "schema": {"type": "boolean", "default": false, "enum": ["true", "false"], "nullable": true}, "id": "ZERO_AS_NODATA"}}, "outputs": {"EDGE_CELLS": {"title": "Edges", "description": "Edges", "extended-schema": {"oneOf": [{"allOf": [{"$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": 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{"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": "OUTPUT"}}}
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http://tb17.geolabs.fr:8119/ogc-api/processes/SAGA.grid_filter.17.html Last modified: Sat Feb 19 15:43:34 CET 2022