iServer OGC service supports coordinate reference system of data itself including customized coordinate reference system, plane coordinate reference system without the projection, as well as GCS_WGS_1984 (EPSG 4326) and PCS_WGS_1984_WORLD_MERCATOR (EPSG 3857).

WMS

     wms support releasing data as its own coordinate system, as well as services of GCS_WGS_1984 (EPSG 4326) and PCS_WGS_1984_WORLD_MERCATOR (EPSG 3857).

• xian_1980_GK_Zone_17

The following is a part of descriptive information of layer of Capabilities getting from releasing data as WMS1.1.1.

<Layer queryable="0">

   <Title>BountPrj</Title>

   <SRS>EPSG:2331</SRS>

   <SRS>EPSG:4326</SRS>

   <SRS>EPSG:3857</SRS>

   <LatLonBoundingBox minx="101.00104501270164" miny="29.108746158332032" maxx="102.49468614441378" maxy="30.801431984693334"/>

   <BoundingBox SRS="EPSG:2331" minx="1.769474136236768E7" miny="3226210.58381243" maxx="1.783465458282853E7" maxy="3410732.229039194"/>

   <BoundingBox SRS="EPSG:4326" minx="101.00104501270164" miny="29.108746158332032" maxx="102.49468614441378" maxy="30.801431984693334"/>

   <BoundingBox SRS="EPSG:3857" minx="1.124338490040245E7" miny="3389494.278391975" maxx="1.1409656270612534E7" maxy="3606988.0680702687"/>

   ...

</Layer>

In which, EPSG: 2331 is the projected coordinate system of data itself, that is xian_1980_GK_Zone_17.

The following is a part of descriptive information of layer of Capabilities getting from releasing data as WMS1.3.0.

<Layer queryable="0">

   <Title>BountPrj</Title>

   <CRS>EPSG:2331</CRS>

   <CRS>EPSG:4326</CRS>

   <CRS>EPSG:3857</CRS>

   <CRS>CRS:84</CRS>

   <EX_GeographicBoundingBox>

   <westBoundLongitude>101.00104501270164</westBoundLongitude>

   <eastBoundLongitude>102.49468614441378</eastBoundLongitude>

   <southBoundLatitude>29.108746158332032</southBoundLatitude>

   <northBoundLatitude>30.801431984693334</northBoundLatitude>

   </EX_GeographicBoundingBox>

   <BoundingBox CRS="EPSG:2331" minx="1.769474136236768E7" miny="3226210.58381243" maxx="1.783465458282853E7" maxy="3410732.229039194"/>

   <BoundingBox CRS="EPSG:4326" minx="29.108746158332032" miny="101.00104501270164" maxx="30.801431984693334" maxy="102.49468614441378"/>

   <BoundingBox CRS="EPSG:3857" minx="1.124338490040245E7" miny="3389494.278391975" maxx="1.1409656270612534E7" maxy="3606988.0680702687"/>

   <BoundingBox CRS="CRS:84" minx="101.00104501270164" miny="29.108746158332032" maxx="102.49468614441378" maxy="30.801431984693334"/>

   ...

</Layer>

In which, EPSG: 2331 is the projected coordinate system of data itself, that is xian_1980_GK_Zone_17.

• Plane coordinate reference system without the projection

The following is a part of descriptive information of layer of Capabilities getting from releasing sample data "Changchun" as WMS1.1.1.

<Layer queryable="0">

   <Title>Changchun City Map</Title>

   <SRS>EPSG:0</SRS>

   <LatLonBoundingBox minx="-180.0" miny="-90.0" maxx="180.0" maxy="90.0"/>

   <BoundingBox SRS="EPSG:0" minx="47.50659941425996" miny="-7668.982931642738" maxx="8958.850874968857" maxy="-30.556889912759743"/>

   ...

</Layer>

     In which, EPSG: 0 indicates that the data is plane coordinate reference system without projection.

The following is a part of descriptive information of layer of Capabilities getting from releasing sample data "Changchun" as WMS1.3.0.

<Layer queryable="0">

   <Title>Changchun City Map</Title>

   <CRS>EPSG:0</CRS>

   <EX_GeographicBoundingBox>

   <westBoundLongitude>48.39718933631297</westBoundLongitude>

   <eastBoundLongitude>8958.850874968857</eastBoundLongitude>

   <southBoundLatitude>-7668.245292074532</southBoundLatitude>

   <northBoundLatitude>-55.577652310411075</northBoundLatitude>

   </EX_GeographicBoundingBox>

   <BoundingBox CRS="EPSG:0" minx="48.39718933631297" miny="-7668.245292074532" maxx="8958.850874968857" maxy="-55.577652310411075"/>

   ...

</Layer>

     In which, EPSG: 0 indicates that the data is plane coordinate reference system without projection.

WMTS

      wmts support releasing data as its own coordinate system, as well as GCS_WGS_1984 (EPSG 4326) and PCS_WGS_1984_WORLD_MERCATOR (EPSG 3857).

• PCS_WGS_1984_WORLD_MERCATOR

The following is a part of descriptive information of layer of Capabilities getting from http://localhost:8090/iserver/services/map-china400/wmts100.

<Layer>

   <ows:Title>China</ows:Title>

    <ows:Abstract/>

    <ows:WGS84BoundingBox crs="urn:ogc:def:crs:OGC:2:84">

    <ows:LowerCorner>-180.0 -85.0511287798065</ows:LowerCorner>

    <ows:UpperCorner>180.0 85.05112877980648</ows:UpperCorner>

    </ows:WGS84BoundingBox>

    <ows:BoundingBox crs="urn:ogc:def:crs:EPSG::3857">

    <ows:LowerCorner>-2.0037508342789244E7 -2.003750834278914E7</ows:LowerCorner>

    <ows:UpperCorner>2.0037508342789244E7 2.0037508342789095E7</ows:UpperCorner>

    </ows:BoundingBox>

   ...

</Layer>

  In which, EPSG: 3857 indicates that the data is PCS_WGS_1984_WORLD_MERCATOR.

• xian_1980_GK_Zone_17

The following is a part of descriptive information of layer of Capabilities getting from releasing data as WMTS1.0.0.

<Layer queryable="0">

   <Title>BountPrj</Title>

   <ows:Identifier>BountPrj</ows:Identifier>

   <ows:BoundingBox crs="urn:ogc:def:crs:EPSG::2331">

   <ows:LowerCorner>1.769474136236768E7 3226210.58381243</ows:LowerCorner>

   <ows:UpperCorner>1.783465458282853E7 3410732.229039194</ows:UpperCorner>

   </ows:BoundingBox>

   <ows:WGS84BoundingBox crs="urn:ogc:def:crs:OGC:2:84">

   <ows:LowerCorner>101.00104501270164 29.108746158332032</ows:LowerCorner>

   <ows:UpperCorner>102.49468614441378 30.801431984693334</ows:UpperCorner>

   </ows:WGS84BoundingBox>

   <ows:BoundingBox crs="urn:ogc:def:crs:OGC::3857">

   <ows:LowerCorner>1.124338490040245E7 3389494.278391975</ows:LowerCorner>

   <ows:UpperCorner>1.1409656270612534E7 3606988.0680702687</ows:UpperCorner>

   </ows:BoundingBox>

   ...

</Layer>

In which, EPSG: 2331 is the projected coordinate system of data itself, that is xian_1980_GK_Zone_17.

WFS

     wfs supports releasing data as its own coordinate system.

The following is a part of descriptive information of layer of FeatureType getting from releasing data as WFS1.0.0.

<Name>dlg_xian80:BountR_Prj</Name>

<Title>BountR_Prj</Title>

<SRS>EPSG:2331</SRS>

<LatLongBoundingBox minx="101.0010450127939" miny="29.108746158741127" maxx="102.49468614459349" maxy="30.801431985186873"/>

In which, EPSG: 2331 is the projected coordinate system of data itself, that is xian_1980_GK_Zone_17.

WCS

      wcs supports releasing data as its own coordinate system, as well as GCS_WGS_1984 (EPSG 4326) and PCS_WGS_1984_WORLD_MERCATOR (EPSG 3857).

Here is a part of descriptive information of Contents of DescribeCoverage getting from releasing data as WCS1.1.1.

<CoverageDescription>

  <ows:Title>DEM_bj54</ows:Title>

  <ows:Abstract/>

  <ows:Keywords></ows:Keywords>

  <Identifier>3</Identifier>

  <Domain></Domain>

  <Range></Range>

  <SupportedCRS>urn:ogc:def:crs:EPSG::21420</SupportedCRS>

  <SupportedCRS>urn:ogc:def:crs:OGC:2:84</SupportedCRS>

  <SupportedCRS>urn:ogc:def:crs:EPSG::4326</SupportedCRS>

  <SupportedCRS>urn:ogc:def:crs:EPSG::3857</SupportedCRS>

  <SupportedFormat>image/png</SupportedFormat>

</CoverageDescription>

In which, EPSG: 21420 is the projected coordinate system of data itself, that is PCS_Beijing_Gauss_zone_20.