SAGA.ta_morphometry.18: Topographic Position Index (TPI)

{"id": "SAGA.ta_morphometry.18", "title": "Topographic Position Index (TPI)", "description": "Topographic Position Index (TPI) calculation as proposed by Guisan et al. (1999). This is literally the same as the difference to the mean calculation (residual analysis) proposed by Wilson & Gallant (2000). The bandwidth parameter for distance weighting is given as percentage of the (outer) radius.", "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:8111/ogc-api/processes/SAGA.ta_morphometry.18/execution"}, {"rel": "alternate", "type": "text/html", "title": "Execute End Point", "href": "http://tb17.geolabs.fr:8111/ogc-api/processes/SAGA.ta_morphometry.18/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"}, "STANDARD": {"title": "Standardize", "description": "Standardize", "schema": {"type": "boolean", "default": false, "nullable": true}, "id": "STANDARD"}, "RADIUS_MIN": {"title": "Scale (min value)", "description": "kernel radius in map units", "schema": {"type": "number", "nullable": true}, "id": "RADIUS_MIN"}, "RADIUS_MAX": {"title": "Scale (max value)", "description": "kernel radius in map units", "schema": {"type": "number", "nullable": true}, "id": "RADIUS_MAX"}, "DW_WEIGHTING": {"title": "Weighting Function", "description": "Weighting Function", "schema": {"type": "string", "default": "no distance 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, "nullable": true}, "id": "DW_IDW_OFFSET"}, "DW_BANDWIDTH": {"title": "Gaussian and Exponential Weighting Bandwidth", "description": "Gaussian and Exponential Weighting Bandwidth", "schema": {"type": "number", "default": 75, "format": "double", "nullable": true}, "id": "DW_BANDWIDTH"}}, "outputs": {"TPI": {"title": "Topographic Position Index", "description": "Topographic Position Index", "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": "TPI"}}}