A hint: This file contains one or more very long lines, so maybe it is better readable using the pure text view mode that shows the contents as wrapped lines within the browser window.
1 <?xml version="1.0" encoding="UTF-8"?> 2 <OperationMethod xmlns="http://www.opengis.net/gml" 3 xmlns:gml="http://www.opengis.net/gml" 4 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 5 xsi:schemaLocation="http://www.opengis.net/gml ../../../gml/3.1.1/profiles/GridCRSs/1.0.0/gmlGridCRSsProfile.xsd" 6 gml:id="grid2dIn2dCrsMethod"> 7 <!-- Last updated 2007-06-06 --> 8 <!-- =============================================== --> 9 <methodName>2D Rectified Grid in 2D CRS Method</methodName> 10 <methodID> 11 <name>urn:ogc:def:method:WCS:1.1:2dGridIn2dCrs</name> 12 </methodID> 13 <remarks>Method for use by a Coordinate Conversion defining a 2D GridCRS in a 2D baseCRS, based on CV_RectifiedGrid in ISO 19123 so the grid can be rotated and skewed in this baseCRS. </remarks> 14 <methodFormula>The reverse direction (from the grid CRS to the baseCRS) shall be as specified by the equations: 15 BaseX = origin(1) + offsets(1,1) * GridX + offsets(1,2) * GridY 16 BaseY = origin(2) + offsets(2,1) * GridX + offsets(2,2) * GridY 17 where 18 GridX, GridY are position coordinates in the grid 2D CRS 19 BaseX, BaseY are position coordinates in the 2D base CRS 20 origin(1), origin(2) are the two coordinates of the grid origin position in the 2D base CRS 21 offsets(1,1), offsets(1,2) are the grid point offsets of the first grid axis in the 2D base CRS 22 offsets(2,1), offsets(2,2) are the grid point offsets of the second grid axis in the 2D base CRS 23 24 The forward direction (from the baseCRS to the GridCRS) equations are not included here. </methodFormula> 25 <sourceDimensions>2</sourceDimensions> 26 <targetDimensions>2</targetDimensions> 27 <!-- =============================================== --> 28 <usesParameter> 29 <OperationParameter gml:id="origin2d"> 30 <parameterName>origin2d</parameterName> 31 <parameterID> 32 <name>urn:ogc:def:parameter:WCS:1.1:origin2d</name> 33 </parameterID> 34 <remarks>This parameter shall be encoded as a wcs:Origin element, giving the two origin coordinates in the 2D base CRS of this GridCRS. </remarks> 35 </OperationParameter> 36 </usesParameter> 37 <!-- =============================================== --> 38 <usesParameter> 39 <OperationParameter gml:id="offsets2d"> 40 <parameterName>offsets2d</parameterName> 41 <parameterID> 42 <name>urn:ogc:def:parameter:WCS:1.1:offsets2d</name> 43 </parameterID> 44 <remarks>This parameter shall be encoded as a wcs:Offsets element, giving the grid offsets in the two grid axes, each in the 2D base CRS relative to the specified origin. This wcs:Offsets shall contain four values, the first two values shall specify the grid offset for the first grid axis, and the second pair of values shall specify the grid offset for the second grid axis. </remarks> 45 </OperationParameter> 46 </usesParameter> 47 </OperationMethod>