EPSG:7812

Height <> Depth Conversion

Attributes

Data source: EPSG

Information source: IOGP Guidance Note #373-24.

Revision date: 2017-10-08

Scope: Height to depth or depth to height conversions.

Remarks: This is a parameter-less conversion to reverse the positive direction of the axis of a vertical CRS. Source and target CRSs must both have the same unit of measure.

Method: Height Depth Reversal

Area of use: World.

Description: (0,)

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Definition: Well Known Text (WKT)

PROJECTION["Height_Depth_Reversal"]

Definition: ESRI WKT

PROJECTION["Height_Depth_Reversal"]

Definition: PROJ.4

+proj=axisswap +order=1,2,-3

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:7812","+proj=axisswap +order=1,2,-3");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "Conversion",
    "name": "Height <> Depth Conversion",
    "method": {
        "name": "Height Depth Reversal",
        "id": {
            "authority": "EPSG",
            "code": 1068
        }
    },
    "id": {
        "authority": "EPSG",
        "code": 7812
    }
}

Definition: GeoServer

7812=PROJECTION["Height_Depth_Reversal"]

Definition: MapServer - MAPfile

PROJECTION
	"proj=axisswap"
	"order=1,2,-3"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=axisswap +order=1,2,-3">
	<Layer srs="+proj=axisswap +order=1,2,-3">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7812, 'EPSG', 7812, '+proj=axisswap +order=1,2,-3', 'PROJECTION["Height_Depth_Reversal"]');

Definition: OGC WKT

PROJECTION["Height_Depth_Reversal"]

Definition: OGC WKT 2 (2019)

CONVERSION["Height <> Depth Conversion",METHOD["Height Depth Reversal",ID["EPSG",1068]],ID["EPSG",7812]]