Package ucar.unidata.geoloc

Examples of ucar.unidata.geoloc.ProjectionPointImpl

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    Array xData = Array.factory( float.class, new int[] {x_dim.getLength()});
    Array yData = Array.factory( float.class, new int[] {y_dim.getLength()});

    LatLonPointImpl latlon = new LatLonPointImpl();
    ProjectionPointImpl pp = new ProjectionPointImpl();

    Index latlonIndex = latData.getIndex();
    Index xIndex = xData.getIndex();
    Index yIndex = yData.getIndex();

    // construct x coord
    for (int i=0; i<x_dim.getLength(); i++) {
      double lat = latData.getDouble( latlonIndex.set1(i));
      double lon = lonData.getDouble( latlonIndex);
      latlon.set( lat, lon);
      proj.latLonToProj( latlon, pp);
      xData.setDouble( xIndex.set(i), pp.getX());
    }

    // construct y coord
    for (int i=0; i<y_dim.getLength(); i++) {
      double lat = latData.getDouble( latlonIndex.set0(i));
      double lon = lonData.getDouble( latlonIndex);
      latlon.set( lat, lon);
      proj.latLonToProj( latlon, pp);
      yData.setDouble( yIndex.set(i), pp.getY());
    }

    VariableDS xaxis = new VariableDS(ds, null, null, "xCoord", DataType.FLOAT, x_dim.getName(), "km", "x on projection");
    xaxis.addAttribute(new Attribute("units", "km"));
    xaxis.addAttribute(new Attribute("long_name", "x on projection"));
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        double ullat = 51.8294;
        double ullon = -135.8736;
        double lrlat = 17.2454;
        double lrlon = -70.1154;

        ProjectionPointImpl ptul = (ProjectionPointImpl) projection.latLonToProj(new LatLonPointImpl(ullat, ullon));
        ProjectionPointImpl ptlr = (ProjectionPointImpl) projection.latLonToProj(new LatLonPointImpl(lrlat, lrlon));
        ProjectionPointImpl ptc = (ProjectionPointImpl) projection.latLonToProj(new LatLonPointImpl(clat, clon));
        double startX = ptul.getX();
        double startY = ptlr.getY();
        double dx = (ptlr.getX() - ptul.getX())/(numX-1);
        for (int i = 0; i < numX; i++) {
            data1[i] = startX + i*dx;
 
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    int nx = xData.length;
    int ny = yData.length;

    // create the data
    ProjectionPointImpl projPoint = new ProjectionPointImpl();
    LatLonPointImpl latlonPoint = new LatLonPointImpl();
    double[] latData = new double[nx * ny];
    double[] lonData = new double[nx * ny];
    for (int i = 0; i < ny; i++) {
      for (int j = 0; j < nx; j++) {
        projPoint.setLocation(xData[j], yData[i]);
        proj.projToLatLon(projPoint, latlonPoint);
        latData[i * nx + j] = latlonPoint.getLatitude();
        lonData[i * nx + j] = latlonPoint.getLongitude();
      }
    }
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Related Classes of ucar.unidata.geoloc.ProjectionPointImpl

  • ucar.nc2.dataset.conv.IFPSConvention
  • ucar.nc2.dt.grid.NetcdfCFWriter
  • ucar.nc2.iosp.nowrad.NOWRadheader
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