Enabling NTv2 Transform

This section describes the procedure to enable the NTv2 transformation.

Follow these steps:
  1. Locate li-sdk-coordsys-ntv2-1.5.3.jar file in <Spectrum>/server/modules/spatial/lib.
  2. Unzip the *.jar file and extract the NTv2.xml file.
  3. Change the Enabled attribute from false to true as mentioned in the following entries:
    <NTv2ConversionsList>
<NTv2Conversion>
    <Description>NTv2 Conversion for Australia</Description>
    <GridFile>GDA94_GDA2020_conformal.gsb</GridFile>
    <Enabled>false</Enabled>
    <SourceDatum>
        <DatumID>116</DatumID>
    </SourceDatum>
    <DestinationDatum>
        <DatumID>1028</DatumID>
    </DestinationDatum>
</NTv2Conversion>

<NTv2Conversion>
    <Description>NTv2 Conversion for Australia</Description>
    <GridFile>GDA94_GDA2020_conformal.gsb</GridFile>
    <Enabled>false</Enabled>
    <SourceDatum>
        <DatumID>1006</DatumID>
    </SourceDatum>
    <DestinationDatum>
        <DatumID>1028</DatumID>
    </DestinationDatum>
</NTv2Conversion>
                                           
<NTv2Conversion>
    <Description>NTv2 Conversion for Australia</Description>
    <GridFile>GDA94_GDA2020_conformal_and_distortion.gsb</GridFile>
    <Enabled>false</Enabled>
    <SourceDatum>
        <DatumID>116</DatumID>
    </SourceDatum>
    <DestinationDatum>
        <DatumID>1028</DatumID>
    </DestinationDatum>
</NTv2Conversion>
                                           
<NTv2Conversion>
    <Description>NTv2 Conversion for Australia</Description>
    <GridFile>GDA94_GDA2020_conformal_and_distortion.gsb</GridFile>
    <Enabled>false</Enabled>
    <SourceDatum>
        <DatumID>1006</DatumID>
    </SourceDatum>
    <DestinationDatum>
        <DatumID>1028</DatumID>
    </DestinationDatum>
</NTv2Conversion>
</NTv2ConversionsList>
  4. Save the NTv2.xml file back to the *.jar file.
  5. Restart the server. The NTv2 transformation is enabled.