SAGA.imagery_tools.1: Vegetation Index (Slope Based)

Slope based vegetation indices.<br/><br/><ul><li>Difference Vegetation Index<br/> DVI = NIR - R</li><br/><li>Normalized Difference Vegetation Index (Rouse et al. 1974)<br/> NDVI = (NIR - R) / (NIR + R)</li><br/><li>Ratio Vegetation Index (Richardson and Wiegand, 1977)<br/> RVI = R / NIR</li><br/><li>Normalized Ratio Vegetation Index (Baret and Guyot, 1991)<br/> NRVI = (RVI - 1) / (RVI + 1)</li><br/><li>Transformed Vegetation Index (Deering et al., 1975)<br/> TVI = [(NIR - R) / (NIR + R) + 0.5]^0.5</li><br/><li>Corrected Transformed Ratio Vegetation Index (Perry and Lautenschlager, 1984)<br/> CTVI = [(NDVI + 0.5) / abs(NDVI + 0.5)] * [abs(NDVI + 0.5)]^0.5</li><br/><li>Thiam's Transformed Vegetation Index (Thiam, 1997)<br/> RVI = [abs(NDVI) + 0.5]^0.5</li><br/><li>Soil Adjusted Vegetation Index (Huete, 1988)<br/> SAVI = [(NIR - R) / (NIR + R)] * (1 + S)</li><br/></ul>(NIR = near infrared, R = red, S = soil adjustment factor)<br/><br/><br/>

Inputs

Red Reflectance

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Please set a value for RED.

Near Infrared Reflectance

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Please set a value for NIR.

For SAVI, suggested values (after Silleos et al. 2006): 1.0 = very low, 0.5 = intermediate, 0.25 = high densitity vegetation.

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Outputs

Difference Vegetation Index

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Normalized Difference Vegetation Index

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Ratio Vegetation Index

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Normalized Ratio Vegetation Index

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Transformed Vegetation Index

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Corrected Transformed Vegetation Index

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Thiam's Transformed Vegetation Index

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Soil Adjusted Vegetation Index

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Execution options

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= soil adjustment factor)<br/><br/><br/>", "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://demo.mapmint.com/ogc-api/processes/SAGA.imagery_tools.1/execution"}, {"rel": "alternate", "type": "text/html", "title": "Execute End Point", "href": "http://demo.mapmint.com/ogc-api/processes/SAGA.imagery_tools.1/execution.html"}], "inputs": {"RED": {"title": "Red Reflectance", "description": "Red Reflectance", "extended-schema": {"oneOf": [{"allOf": [{"$ref": "http://zoo-project.org/dl/link.json"}, {"type": "object", "properties": {"type": {"enum": ["image/tiff", "application/x-ogc-envi", "application/x-ogc-aaigrid", "image/png"]}}}]}, {"type": "object", "required": ["value"], "properties": {"value": {"oneOf": [{"type": "string", "contentEncoding": "base64", 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Index", "extended-schema": {"oneOf": [{"allOf": [{"$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": "TVI"}, "CTVI": {"title": "Corrected Transformed Vegetation Index", "description": "Corrected Transformed Vegetation Index", "extended-schema": {"oneOf": [{"allOf": [{"$ref": "http://zoo-project.org/dl/link.json"}, {"type": "object", "properties": {"type": {"enum": ["image/tiff", "application/x-ogc-envi", "application/x-ogc-aaigrid", "image/png"]}}}]}, {"type": "object", "required": ["value"], "properties": {"value": {"oneOf": [{"type": "string", "contentEncoding": "base64", "contentMediaType": "image/tiff"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-envi"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-aaigrid"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "image/png"}]}}}]}, "schema": {"oneOf": [{"type": "string", "contentEncoding": "base64", "contentMediaType": "image/tiff"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-envi"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "application/x-ogc-aaigrid"}, {"type": "string", "contentEncoding": "base64", "contentMediaType": "image/png"}]}, "id": "CTVI"}, "TTVI": {"title": "Thiam's Transformed Vegetation Index", "description": "Thiam's Transformed Vegetation Index", "extended-schema": {"oneOf": [{"allOf": [{"$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": "TTVI"}, "SAVI": {"title": "Soil Adjusted Vegetation Index", "description": "Soil Adjusted Vegetation 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": "SAVI"}}}

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Last modified: Sat Feb 19 15:43:34 CET 2022