Package ucar.visad

Class MapProjectionProjection

java.lang.Object
ucar.unidata.geoloc.ProjectionImpl
ucar.visad.MapProjectionProjection
All Implemented Interfaces:
Serializable, ucar.unidata.geoloc.Projection
public class MapProjectionProjection extends ucar.unidata.geoloc.ProjectionImpl
Projection wrapper for a VisAD MapProjection with reference of Lat,Lon or Lon,Lat
Author:
Unidata Development Team
See Also:

  • Field Summary

    Fields inherited from class ucar.unidata.geoloc.ProjectionImpl

    atts, defaultMapArea, defaultUnits, EARTH_RADIUS, INDEX_LAT, INDEX_LON, INDEX_X, INDEX_Y, isLatLon, name, PI, PI_OVER_2, PI_OVER_4, TOLERANCE

  • Constructor Summary

    Constructors
    Constructor
    Description
    MapProjectionProjection()
    Constructor with default parameters
    MapProjectionProjection(MapProjection mapProjection)
    Construct a MapProjection Projection.

  • Method Summary

    Modifier and Type
    Method
    Description
    Object
    clone()
    Clone this projection.
    ucar.unidata.geoloc.ProjectionImpl
    constructCopy()
    copy constructor - avoid clone !!
    boolean
    crossSeam(ucar.unidata.geoloc.ProjectionPoint pt1, ucar.unidata.geoloc.ProjectionPoint pt2)
    This returns true when the line between pt1 and pt2 crosses the seam.
    boolean
    equals(Object proj)
    Check for equality with the Object in question
    MapProjection
    getMapProjection()
    Get the underlying map projection
    String
    getProjectionTypeLabel()
    Get the label to be used in the gui for this type of projection
    double[][]
    latLonToProj(double[][] from, double[][] to, int latIndex, int lonIndex)
    Convert lat/lon coordinates to projection coordinates.
    float[][]
    latLonToProj(float[][] from, float[][] to, int latIndex, int lonIndex)
    Convert lat/lon coordinates to projection coordinates.
    ucar.unidata.geoloc.ProjectionPoint
    latLonToProj(ucar.unidata.geoloc.LatLonPoint latLon, ucar.unidata.geoloc.ProjectionPointImpl result)
    Convert a LatLonPoint to projection coordinates
    static void
    main(String[] args)
    Test
    String
    paramsToString()
    Create a String of the parameters.
    double[][]
    projToLatLon(double[][] from, double[][] to)
    Convert lat/lon coordinates to projection coordinates.
    float[][]
    projToLatLon(float[][] from, float[][] to)
    Convert lat/lon coordinates to projection coordinates.
    ucar.unidata.geoloc.LatLonPoint
    projToLatLon(ucar.unidata.geoloc.ProjectionPoint world, ucar.unidata.geoloc.LatLonPointImpl result)
    Convert projection coordinates to a LatLonPoint Note: a new object is not created on each call for the return value.

    Methods inherited from class ucar.unidata.geoloc.ProjectionImpl

    addParameter, addParameter, addParameter, findProjectionParameter, getClassName, getDefaultMapArea, getDefaultMapAreaLL, getDefaultUnits, getHeader, getName, getProjectionParameters, isLatLon, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProjBB, projToLatLon, projToLatLon, projToLatLon, projToLatLonBB, projToLatLonBBold, setDefaultMapArea, setName, toString

    Methods inherited from class java.lang.Object

    finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    Methods inherited from interface ucar.unidata.geoloc.Projection

    latLonToProj, projToLatLon

  • Constructor Details

    • MapProjectionProjection

      public MapProjectionProjection()
      Constructor with default parameters

    • MapProjectionProjection

      public MapProjectionProjection(MapProjection mapProjection)
      Construct a MapProjection Projection.
      Parameters:
      mapProjection - the VisAD MapProjection to wrap

  • Method Details

    • constructCopy

      public ucar.unidata.geoloc.ProjectionImpl constructCopy()
      copy constructor - avoid clone !!
      Specified by:
      constructCopy in class ucar.unidata.geoloc.ProjectionImpl
      Returns:
      _more_

    • clone

      public Object clone()
      Clone this projection.
      Overrides:
      clone in class Object
      Returns:
      Clone of this

    • equals

      public boolean equals(Object proj)
      Check for equality with the Object in question
      Specified by:
      equals in interface ucar.unidata.geoloc.Projection
      Specified by:
      equals in class ucar.unidata.geoloc.ProjectionImpl
      Parameters:
      proj - object to check
      Returns:
      true if they are equal

    • getProjectionTypeLabel

      public String getProjectionTypeLabel()
      Get the label to be used in the gui for this type of projection
      Overrides:
      getProjectionTypeLabel in class ucar.unidata.geoloc.ProjectionImpl
      Returns:
      Type label

    • paramsToString

      public String paramsToString()
      Create a String of the parameters.
      Specified by:
      paramsToString in interface ucar.unidata.geoloc.Projection
      Specified by:
      paramsToString in class ucar.unidata.geoloc.ProjectionImpl
      Returns:
      a String of the parameters

    • latLonToProj

      public ucar.unidata.geoloc.ProjectionPoint latLonToProj(ucar.unidata.geoloc.LatLonPoint latLon, ucar.unidata.geoloc.ProjectionPointImpl result)
      Convert a LatLonPoint to projection coordinates
      Specified by:
      latLonToProj in interface ucar.unidata.geoloc.Projection
      Specified by:
      latLonToProj in class ucar.unidata.geoloc.ProjectionImpl
      Parameters:
      latLon - convert from these lat, lon coordinates
      result - the object to write to
      Returns:
      the given result

    • projToLatLon

      public ucar.unidata.geoloc.LatLonPoint projToLatLon(ucar.unidata.geoloc.ProjectionPoint world, ucar.unidata.geoloc.LatLonPointImpl result)
      Convert projection coordinates to a LatLonPoint Note: a new object is not created on each call for the return value.
      Specified by:
      projToLatLon in interface ucar.unidata.geoloc.Projection
      Specified by:
      projToLatLon in class ucar.unidata.geoloc.ProjectionImpl
      Parameters:
      world - convert from these projection coordinates
      result - the object to write to
      Returns:
      LatLonPoint convert to these lat/lon coordinates

    • latLonToProj

      public float[][] latLonToProj(float[][] from, float[][] to, int latIndex, int lonIndex)
      Convert lat/lon coordinates to projection coordinates.
      Overrides:
      latLonToProj in class ucar.unidata.geoloc.ProjectionImpl
      Parameters:
      from - array of lat/lon coordinates: from[2][n], where from[0][i], from[1][i] is the (lat,lon) coordinate of the ith point
      to - resulting array of projection coordinates, where to[0][i], to[1][i] is the (x,y) coordinate of the ith point
      latIndex - index of latitude in "from"
      lonIndex - index of longitude in "from"
      Returns:
      the "to" array.

    • crossSeam

      public boolean crossSeam(ucar.unidata.geoloc.ProjectionPoint pt1, ucar.unidata.geoloc.ProjectionPoint pt2)
      This returns true when the line between pt1 and pt2 crosses the seam. When the cone is flattened, the "seam" is lon0 +- 180.
      Specified by:
      crossSeam in interface ucar.unidata.geoloc.Projection
      Specified by:
      crossSeam in class ucar.unidata.geoloc.ProjectionImpl
      Parameters:
      pt1 - point 1
      pt2 - point 2
      Returns:
      true when the line between pt1 and pt2 crosses the seam.

    • projToLatLon

      public float[][] projToLatLon(float[][] from, float[][] to)
      Convert lat/lon coordinates to projection coordinates.
      Overrides:
      projToLatLon in class ucar.unidata.geoloc.ProjectionImpl
      Parameters:
      from - array of lat/lon coordinates: from[2][n], where (from[0][i], from[1][i]) is the (lat,lon) coordinate of the ith point
      to - resulting array of projection coordinates: to[2][n] where (to[0][i], to[1][i]) is the (x,y) coordinate of the ith point
      Returns:
      the "to" array

    • latLonToProj

      public double[][] latLonToProj(double[][] from, double[][] to, int latIndex, int lonIndex)
      Convert lat/lon coordinates to projection coordinates.
      Overrides:
      latLonToProj in class ucar.unidata.geoloc.ProjectionImpl
      Parameters:
      from - array of lat/lon coordinates: from[2][n], where from[0][i], from[1][i] is the (lat,lon) coordinate of the ith point
      to - resulting array of projection coordinates, where to[0][i], to[1][i] is the (x,y) coordinate of the ith point
      latIndex - index of latitude in "from"
      lonIndex - index of longitude in "from"
      Returns:
      the "to" array.

    • projToLatLon

      public double[][] projToLatLon(double[][] from, double[][] to)
      Convert lat/lon coordinates to projection coordinates.
      Overrides:
      projToLatLon in class ucar.unidata.geoloc.ProjectionImpl
      Parameters:
      from - array of lat/lon coordinates: from[2][n], where (from[0][i], from[1][i]) is the (lat,lon) coordinate of the ith point
      to - resulting array of projection coordinates: to[2][n] where (to[0][i], to[1][i]) is the (x,y) coordinate of the ith point
      Returns:
      the "to" array

    • getMapProjection

      public MapProjection getMapProjection()
      Get the underlying map projection
      Returns:
      the MapProjection

    • main

      public static void main(String[] args)
      Test
      Parameters:
      args - not used