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AndreJ
AndreJ
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A good description on the problem cancould be found here:

http://www.esri-ireland.ie/software/arcgis/free-mapping-software/ig-itm

The downloadable zip file containscontained a ntv2 grid for the datum shift.

Official information can be obtained from https://www.osi.ie/services/geodetic-services/coordinate-converter/ and https://www.osi.ie/resources/migrating-to-itm/

Both Irish and OSGB datum shifts can be made with ntv2 datum shift grids, but the OSGB only covers England, Wales and Scotland with limited offshore coverage, while the Irish grid has values for the whole rectangle:

enter image description here

A good description on the problem can be found here:

http://www.esri-ireland.ie/software/arcgis/free-mapping-software/ig-itm

The downloadable zip file contains a ntv2 grid for the datum shift.

Official information can be obtained from https://www.osi.ie/services/geodetic-services/coordinate-converter/ and https://www.osi.ie/resources/migrating-to-itm/

Both Irish and OSGB datum shifts can be made with ntv2 datum shift grids, but the OSGB only covers England, Wales and Scotland with limited offshore coverage, while the Irish grid has values for the whole rectangle:

enter image description here

A good description on the problem could be found here:

http://www.esri-ireland.ie/software/arcgis/free-mapping-software/ig-itm

The downloadable zip file contained a ntv2 grid for the datum shift.

Official information can be obtained from https://www.osi.ie/services/geodetic-services/coordinate-converter/ and https://www.osi.ie/resources/migrating-to-itm/

Both Irish and OSGB datum shifts can be made with ntv2 datum shift grids, but the OSGB only covers England, Wales and Scotland with limited offshore coverage, while the Irish grid has values for the whole rectangle:

enter image description here

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Source Link
AndreJ
AndreJ
  • 77.1k
  • 5
  • 88
  • 163

A good description on the problem can be found here:

http://www.esri-ireland.ie/software/arcgis/free-mapping-software/ig-itm

The downloadable zip file contains a ntv2 grid for the datum shift.

Official information can be obtained from http://www.osi.ie/Services/GPS-Services/Co-ordinate-Converter.aspxhttps://www.osi.ie/services/geodetic-services/coordinate-converter/ and http://www.osi.ie/Services/GPS-Services/Migrating-to-ITM.aspx andhttps://www.osi.ie/resources/migrating-to-itm/

Both Irish and OSGB datum shifts can be made with ntv2 datum shift grids, but the OSGB only covers England, Wales and Scotland with limited offshore coverage, while the Irish grid has values for the whole rectangle:

enter image description here

A good description on the problem can be found here:

http://www.esri-ireland.ie/software/arcgis/free-mapping-software/ig-itm

The downloadable zip file contains a ntv2 grid for the datum shift.

Official information can be obtained from http://www.osi.ie/Services/GPS-Services/Co-ordinate-Converter.aspx and http://www.osi.ie/Services/GPS-Services/Migrating-to-ITM.aspx and

Both Irish and OSGB datum shifts can be made with ntv2 datum shift grids, but the OSGB only covers England, Wales and Scotland with limited offshore coverage, while the Irish grid has values for the whole rectangle:

enter image description here

A good description on the problem can be found here:

http://www.esri-ireland.ie/software/arcgis/free-mapping-software/ig-itm

The downloadable zip file contains a ntv2 grid for the datum shift.

Official information can be obtained from https://www.osi.ie/services/geodetic-services/coordinate-converter/ and https://www.osi.ie/resources/migrating-to-itm/

Both Irish and OSGB datum shifts can be made with ntv2 datum shift grids, but the OSGB only covers England, Wales and Scotland with limited offshore coverage, while the Irish grid has values for the whole rectangle:

enter image description here

Source Link
AndreJ
AndreJ
  • 77.1k
  • 5
  • 88
  • 163

A good description on the problem can be found here:

http://www.esri-ireland.ie/software/arcgis/free-mapping-software/ig-itm

The downloadable zip file contains a ntv2 grid for the datum shift.

Official information can be obtained from http://www.osi.ie/Services/GPS-Services/Co-ordinate-Converter.aspx and http://www.osi.ie/Services/GPS-Services/Migrating-to-ITM.aspx and

Both Irish and OSGB datum shifts can be made with ntv2 datum shift grids, but the OSGB only covers England, Wales and Scotland with limited offshore coverage, while the Irish grid has values for the whole rectangle:

enter image description here