ucar.nc2.dataset.ProjectionCT java code examples

Common ways to obtain ProjectionCT

private void myMethod () {
 ProjectionCT p =String name;String str;ProjectionImpl proj;new ProjectionCT(name, str, proj)
String str;String str2;ProjectionImpl proj;new ProjectionCT(str, str2, proj)
GridCoordSystem gridCoordSystem;gridCoordSystem.getProjectionCT()
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}

protected void makeCoordinateTransforms(NetcdfDataset ds) {
 if (projCT != null) {
  VarProcess vp = findVarProcess(projCT.getName());
  if (vp != null)
   vp.ct = projCT;
 }
 super.makeCoordinateTransforms(ds);
}

assert ct != null;
return ct.getProjection();

private ProjectionCT makeSinusoidalProjection(String name, Attribute projParams) {
 double radius = projParams.getNumericValue(0).doubleValue();
 double centMer = projParams.getNumericValue(4).doubleValue();
 double falseEast = projParams.getNumericValue(6).doubleValue();
 double falseNorth = projParams.getNumericValue(7).doubleValue();
 Sinusoidal proj = new Sinusoidal(centMer, falseEast * .001, falseNorth * .001, radius * .001);
 return new ProjectionCT(name, "FGDC", proj);
}

/**
 * Create a Projection Coordinate Transform.
 * @param name name of transform, must be unique within the NcML.
 * @param authority naming authority.
 * @param proj projection function.
 */
public ProjectionCT (String name, String authority, ProjectionImpl proj) {
 super( name, authority, TransformType.Projection);
 this.proj = proj;
 for (Parameter p : proj.getProjectionParameters()) {
  addParameter( p);
 }
}

/**
 * Create a Projection Coordinate Transform.
 * @param name name of transform, must be unique within the NcML.
 * @param authority naming authority.
 * @param proj projection function.
 */
public ProjectionCT (String name, String authority, ProjectionImpl proj) {
 super( name, authority, TransformType.Projection);
 this.proj = proj;
 for (Parameter p : proj.getProjectionParameters()) {
  addParameter( p);
 }
}

private ProjectionCT makeSinusoidalProjection(String name, Attribute projParams) {
 double radius = projParams.getNumericValue(0).doubleValue();
 double centMer = projParams.getNumericValue(4).doubleValue();
 double falseEast = projParams.getNumericValue(6).doubleValue();
 double falseNorth = projParams.getNumericValue(7).doubleValue();
 Sinusoidal proj = new Sinusoidal(centMer, falseEast * .001, falseNorth * .001, radius * .001);
 return new ProjectionCT(name, "FGDC", proj);
}

protected void makeCoordinateTransforms(NetcdfDataset ds) {
 if (projCT != null) {
  VarProcess vp = findVarProcess(projCT.getName(), null);
  vp.isCoordinateTransform = true;
  vp.ct = projCT;
 }
 super.makeCoordinateTransforms(ds);
}

/** Get the Projection for this coordinate system.
 *  If isLatLon(), then returns a LatLonProjection. Otherwise, extracts the
 *  projection from any ProjectionCT CoordinateTransform.
 *  @return ProjectionImpl or null if none.
 */
public ProjectionImpl getProjection() {
 if (projection == null) {
  if (isLatLon()) projection = new LatLonProjection();
  ProjectionCT projCT = getProjectionCT();
  if (null != projCT) projection = projCT.getProjection();
 }
 return projection;
}
private ProjectionImpl projection = null;

/**
 * Create a Projection Coordinate Transform.
 * @param name name of transform, must be unique within the NcML.
 * @param authority naming authority.
 * @param proj projection function.
 */
public ProjectionCT (String name, String authority, ProjectionImpl proj) {
 super( name, authority, TransformType.Projection);
 this.proj = proj;
 List list = proj.getProjectionParameters();
 for (int i=0; i<list.size(); i++) {
  addParameter((Parameter) list.get(i));
 }
}

private ProjectionCT makeSinusoidalProjection(String name, Attribute projParams) {
 double radius = projParams.getNumericValue(0).doubleValue();
 double centMer = projParams.getNumericValue(4).doubleValue();
 double falseEast = projParams.getNumericValue(6).doubleValue();
 double falseNorth = projParams.getNumericValue(7).doubleValue();
 Sinusoidal proj = new Sinusoidal(centMer, falseEast * .001, falseNorth * .001, radius * .001);
 return new ProjectionCT(name, "FGDC", proj);
}

protected void makeCoordinateTransforms( NetcdfDataset ds) {
 if (projCT != null) {
  VarProcess vp = findVarProcess(projCT.getName(), null);
  vp.isCoordinateTransform = true;
  vp.ct = projCT;
 }
 super.makeCoordinateTransforms( ds);
}

/** Get the Projection for this coordinate system.
 *  If isLatLon(), then returns a LatLonProjection. Otherwise, extracts the
 *  projection from any ProjectionCT CoordinateTransform.
 *  @return ProjectionImpl or null if none.
 */
public ProjectionImpl getProjection() {
 if (projection == null) {
  if (isLatLon()) projection = new LatLonProjection();
  ProjectionCT projCT = getProjectionCT();
  if (null != projCT) projection = projCT.getProjection();
 }
 return projection;
}
private ProjectionImpl projection = null;

private CoordinateTransform makeLambertAzimuthalProjection(NetcdfDataset ds) {
 double lat0 = findAttributeDouble(ds, "YCENT");
 double lon0 = findAttributeDouble(ds, "XCENT");
 LambertAzimuthalEqualArea p =
  new LambertAzimuthalEqualArea(lat0, lon0, 0.0, 0.0, earthRadius);
 return new ProjectionCT("LambertAzimuthal", "FGDC", p);
}

protected void makeCoordinateTransforms(NetcdfDataset ds) {
 if (projCT != null) {
  VarProcess vp = findVarProcess(projCT.getName());
  if (vp != null)
   vp.ct = projCT;
 }
 super.makeCoordinateTransforms(ds);
}

/** Get the Projection for this coordinate system.
 *  If isLatLon(), then returns a LatLonProjection. Otherwise, extracts the
 *  projection from any ProjectionCT CoordinateTransform.
 *  @return ProjectionImpl or null if none.
 */
public ProjectionImpl getProjection() {
 if (projection == null) {
  if (isLatLon()) projection = new LatLonProjection();
  ProjectionCT projCT = getProjectionCT();
  if (null != projCT) projection = projCT.getProjection();
 }
 return projection;
}
private ProjectionImpl projection = null;

private CoordinateTransform makeLambertAzimuthalProjection(NetcdfDataset ds) {
 double lat0 = findAttributeDouble(ds, "YCENT");
 double lon0 = findAttributeDouble(ds, "XCENT");
 LambertAzimuthalEqualArea p =
  new LambertAzimuthalEqualArea(lat0, lon0, 0.0, 0.0, earthRadius);
 return new ProjectionCT("LambertAzimuthal", "FGDC", p);
}

protected void makeCoordinateTransforms(NetcdfDataset ds) {
 if (projCT != null) {
  VarProcess vp = findVarProcess(projCT.getName(), null);
  if (vp != null)
   vp.ct = projCT;
 }
 super.makeCoordinateTransforms(ds);
}

Projection proj = vct.getProjection();
assert proj != null;
assert projClass.isInstance(proj) : proj.getClass().getName();

 public CoordinateTransform makeCoordinateTransform(NetcdfDataset ds, Variable ctv) {

  readStandardParams(ds, ctv);

  ucar.unidata.geoloc.ProjectionImpl proj = new EquidistantAzimuthalProjection(lat0, lon0, false_easting, false_northing, earth);

  return new ProjectionCT(ctv.getShortName(), "FGDC", proj);
 }
}

protected void makeCoordinateTransforms( NetcdfDataset ds) {
 if (projCT != null) {
  VarProcess vp = findVarProcess(projCT.getName(), null);
  vp.isCoordinateTransform = true;
  vp.ct = projCT;
 }
 super.makeCoordinateTransforms( ds);
}

Javadoc

A Projection CoordinateTransform is a function from (GeoX, GeoY) -> (Lat, Lon).

Most used methods

getName
getProjection
get the Projection function
<init>
Create a Projection Coordinate Transform.
addParameter

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How to useProjectionCT in ucar.nc2.dataset

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