Geodetic CRS: Cais da Pontinha height
Datum: Cais da Pontinha
Data source: EPSG
Information source: Instituto Hidrográfico, https://www.hidrografico.pt/
Revision date: 2023-08-07
Scope: Hydrography and nautical charting.
Remarks: Offshore of Madeira, Desertas and Selvagens islands the Zero Hidrografico (CD Portugal) surface is defined to be 1.4m below the Cais da Pontinha vertical reference surface.
Area of use: Portugal - Madeira and Desertas islands - nearshore.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
CONCATENATEDOPERATION["Cais da Pontinha height to ZH Portugal depth (1)", VERSION["IH-Por Madeira"], SOURCECRS[ VERTCRS["Cais da Pontinha height", VDATUM["Cais da Pontinha"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",6178]]], TARGETCRS[ VERTCRS["ZH Portugal depth", VDATUM["Chart Datum Portugal "], CS[vertical,1], AXIS["depth (D)",down, LENGTHUNIT["metre",1]], ID["EPSG",10349]]], STEP[ CONVERSION["Height <> Depth Conversion", METHOD["Height Depth Reversal", ID["EPSG",1068]], ID["EPSG",7812]]], STEP[ COORDINATEOPERATION["Cais da Pontinha depth to ZH Portugal depth (1)", VERSION["IH-Por Madeira"], SOURCECRS[ VERTCRS["Cais da Pontinha depth", VDATUM["Cais da Pontinha"], CS[vertical,1], AXIS["depth (D)",down, LENGTHUNIT["metre",1]], ID["EPSG",10370]]], TARGETCRS[ VERTCRS["ZH Portugal depth", VDATUM["Chart Datum Portugal "], CS[vertical,1], AXIS["depth (D)",down, LENGTHUNIT["metre",1]], ID["EPSG",10349]]], METHOD["Vertical Offset", ID["EPSG",9616]], PARAMETER["Vertical Offset",-1.4, LENGTHUNIT["metre",1], ID["EPSG",8603]], OPERATIONACCURACY[0.0], ID["EPSG",10382], REMARK["Offshore of Madeira, Desertas and Selvagens islands the Zero Hidrografico (CD Portugal) surface is defined to be 1.4m below the Cais da Pontinha vertical reference surface."]]], OPERATIONACCURACY[0.0], USAGE[ SCOPE["Hydrography and nautical charting."], AREA["Portugal - Madeira and Desertas islands - nearshore."], BBOX[32.35,-17.33,32.93,-16.4]], ID["EPSG",10394], REMARK["Offshore of Madeira, Desertas and Selvagens islands the Zero Hidrografico (CD Portugal) surface is defined to be 1.4m below the Cais da Pontinha vertical reference surface."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ConcatenatedOperation", "name": "Cais da Pontinha height to ZH Portugal depth (1)", "source_crs": { "type": "VerticalCRS", "name": "Cais da Pontinha height", "datum": { "type": "VerticalReferenceFrame", "name": "Cais da Pontinha" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 6178 } }, "target_crs": { "type": "VerticalCRS", "name": "ZH Portugal depth", "datum": { "type": "VerticalReferenceFrame", "name": "Chart Datum Portugal " }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Depth", "abbreviation": "D", "direction": "down", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 10349 } }, "steps": [ { "type": "Conversion", "name": "Height <> Depth Conversion", "method": { "name": "Height Depth Reversal", "id": { "authority": "EPSG", "code": 1068 } }, "id": { "authority": "EPSG", "code": 7812 } }, { "type": "Transformation", "name": "Cais da Pontinha depth to ZH Portugal depth (1)", "source_crs": { "type": "VerticalCRS", "name": "Cais da Pontinha depth", "datum": { "type": "VerticalReferenceFrame", "name": "Cais da Pontinha" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Depth", "abbreviation": "D", "direction": "down", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 10370 } }, "target_crs": { "type": "VerticalCRS", "name": "ZH Portugal depth", "datum": { "type": "VerticalReferenceFrame", "name": "Chart Datum Portugal " }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Depth", "abbreviation": "D", "direction": "down", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 10349 } }, "method": { "name": "Vertical Offset", "id": { "authority": "EPSG", "code": 9616 } }, "parameters": [ { "name": "Vertical Offset", "value": -1.4, "unit": "metre", "id": { "authority": "EPSG", "code": 8603 } } ], "accuracy": "0.0", "id": { "authority": "EPSG", "code": 10382 }, "remarks": "Offshore of Madeira, Desertas and Selvagens islands the Zero Hidrografico (CD Portugal) surface is defined to be 1.4m below the Cais da Pontinha vertical reference surface." } ], "accuracy": "0.0", "scope": "Hydrography and nautical charting.", "area": "Portugal - Madeira and Desertas islands - nearshore.", "bbox": { "south_latitude": 32.35, "west_longitude": -17.33, "north_latitude": 32.93, "east_longitude": -16.4 }, "id": { "authority": "EPSG", "code": 10394 }, "remarks": "Offshore of Madeira, Desertas and Selvagens islands the Zero Hidrografico (CD Portugal) surface is defined to be 1.4m below the Cais da Pontinha vertical reference surface." }
Definition: Mapnik
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