java.lang.Object
- ucar.unidata.geoloc.ProjectionImpl
- - ucar.unidata.geoloc.projection.TransverseMercator

All Implemented Interfaces:

Serializable, Projection
```
public class TransverseMercator
extends ProjectionImpl
```
Transverse Mercator projection, spherical earth. Projection plane is a cylinder tangent to the earth at tangentLon. See John Snyder, Map Projections used by the USGS, Bulletin 1532, 2nd edition (1983), p 53

See Also:

Serialized Form

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
`TransverseMercator()`	Constructor with default parameteres
`TransverseMercator(double lat0, double tangentLon, double scale)`	Construct a TransverseMercator Projection.
`TransverseMercator(double lat0, double tangentLon, double scale, double east, double north)`	Construct a TransverseMercator Projection.
`TransverseMercator(double lat0, double tangentLon, double scale, double east, double north, double radius)`	Construct a TransverseMercator Projection.

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`ProjectionImpl`	`constructCopy()`	copy constructor - avoid clone !!
`boolean`	`crossSeam(ProjectionPoint pt1, ProjectionPoint pt2)`	Does the line between these two points cross the projection "seam".
`boolean`	`equals(Object o)`	Returns true if this represents the same Projection as proj.
`double`	`getEarthRadius()`
`double`	`getFalseEasting()`	Get the false easting, in units of km.
`double`	`getFalseNorthing()`	Get the false northing, in units of km
`double`	`getOriginLat()`	Get the origin latitude in degrees
`String`	`getProjectionTypeLabel()`	Get the label to be used in the gui for this type of projection
`double`	`getScale()`	Get the scale
`double`	`getTangentLon()`	Get the tangent longitude in degrees
`int`	`hashCode()`
`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.
`ProjectionPoint`	`latLonToProj(LatLonPoint latLon, ProjectionPointImpl result)`	Convert a LatLonPoint to projection coordinates
`String`	`paramsToString()`	Get the parameters as a String
`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.
`LatLonPoint`	`projToLatLon(ProjectionPoint world, LatLonPointImpl result)`	Convert projection coordinates to a LatLonPoint Note: a new object is not created on each call for the return value.
`void`	`setFalseEasting(double falseEasting)`	Deprecated.
`void`	`setFalseNorthing(double falseNorthing)`	Deprecated.
`void`	`setOriginLat(double lat)`	Deprecated.
`void`	`setScale(double scale)`	Deprecated.
`void`	`setTangentLon(double lon)`	Deprecated.
`String`	`toString()`	Get a String representation of this projection.

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

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface ucar.unidata.geoloc.Projection
latLonToProj, projToLatLon

- Constructor Detail
  - TransverseMercator
```
public TransverseMercator()
```
    Constructor with default parameteres
  - TransverseMercator
```
public TransverseMercator(double lat0,
                          double tangentLon,
                          double scale)
```
    Construct a TransverseMercator Projection.
    
    Parameters:
    
    lat0 - origin of projection coord system is at (lat0, tangentLon)
    
    tangentLon - longitude that the cylinder is tangent at ("central meridian")
    
    scale - scale factor along the central meridian
  - TransverseMercator
```
public TransverseMercator(double lat0,
                          double tangentLon,
                          double scale,
                          double east,
                          double north)
```
    Construct a TransverseMercator Projection.
    
    Parameters:
    
    lat0 - origin of projection coord system is at (lat0, tangentLon)
    
    tangentLon - longitude that the cylinder is tangent at ("central meridian")
    
    scale - scale factor along the central meridian
    
    east - false easting in km
    
    north - false northing in km
  - TransverseMercator
```
public TransverseMercator(double lat0,
                          double tangentLon,
                          double scale,
                          double east,
                          double north,
                          double radius)
```
    Construct a TransverseMercator Projection.
    
    Parameters:
    
    lat0 - origin of projection coord system is at (lat0, tangentLon)
    
    tangentLon - longitude that the cylinder is tangent at ("central meridian")
    
    scale - scale factor along the central meridian
    
    east - false easting in units of km
    
    north - false northing in units of km
    
    radius - earth radius in km
- Method Detail
  - constructCopy
```
public ProjectionImpl constructCopy()
```
    Description copied from class: ProjectionImpl
    
    copy constructor - avoid clone !!
    
    Specified by:
    
    constructCopy in class ProjectionImpl
    
    Returns:
    
    a copy of this Projection. TODO return Projection in ver6
  - getScale
```
public double getScale()
```
    Get the scale
    
    Returns:
    
    the scale
  - getTangentLon
```
public double getTangentLon()
```
    Get the tangent longitude in degrees
    
    Returns:
    
    the origin longitude in degrees.
  - getOriginLat
```
public double getOriginLat()
```
    Get the origin latitude in degrees
    
    Returns:
    
    the origin latitude in degrees.
  - getFalseEasting
```
public double getFalseEasting()
```
    Get the false easting, in units of km.
    
    Returns:
    
    the false easting.
  - getFalseNorthing
```
public double getFalseNorthing()
```
    Get the false northing, in units of km
    
    Returns:
    
    the false northing.
  - getEarthRadius
```
public double getEarthRadius()
```
  - setScale
```
@Deprecated
public void setScale(double scale)
```
    Deprecated.
    
    Set the scale
    
    Parameters:
    
    scale - the scale
  - setOriginLat
```
@Deprecated
public void setOriginLat(double lat)
```
    Deprecated.
    
    Set the origin latitude
    
    Parameters:
    
    lat - the origin latitude
  - setTangentLon
```
@Deprecated
public void setTangentLon(double lon)
```
    Deprecated.
    
    Set the tangent longitude
    
    Parameters:
    
    lon - the tangent longitude
  - setFalseEasting
```
@Deprecated
public void setFalseEasting(double falseEasting)
```
    Deprecated.
    
    Set the false_easting, in km. natural_x_coordinate + false_easting = x coordinate
    
    Parameters:
    
    falseEasting - x offset
  - setFalseNorthing
```
@Deprecated
public void setFalseNorthing(double falseNorthing)
```
    Deprecated.
    
    Set the false northing, in km. natural_y_coordinate + false_northing = y coordinate
    
    Parameters:
    
    falseNorthing - y offset
  - getProjectionTypeLabel
```
public String getProjectionTypeLabel()
```
    Get the label to be used in the gui for this type of projection
    
    Overrides:
    
    getProjectionTypeLabel in class ProjectionImpl
    
    Returns:
    
    Type label
  - paramsToString
```
public String paramsToString()
```
    Get the parameters as a String
    
    Specified by:
    
    paramsToString in interface Projection
    
    Specified by:
    
    paramsToString in class ProjectionImpl
    
    Returns:
    
    the parameters as a String
  - toString
```
public String toString()
```
    Description copied from class: ProjectionImpl
    
    Get a String representation of this projection.
    
    Overrides:
    
    toString in class ProjectionImpl
    
    Returns:
    
    the name of the projection. This is what gets displayed when you add the projection object to a UI widget (e.g. label, combobox)
  - crossSeam
```
public boolean crossSeam(ProjectionPoint pt1,
                         ProjectionPoint pt2)
```
    Does the line between these two points cross the projection "seam".
    
    Specified by:
    
    crossSeam in interface Projection
    
    Specified by:
    
    crossSeam in class ProjectionImpl
    
    Parameters:
    
    pt1 - the line goes between these two points
    
    pt2 - the line goes between these two points
    
    Returns:
    
    false if there is no seam
  - equals
```
public boolean equals(Object o)
```
    Description copied from class: ProjectionImpl
    
    Returns true if this represents the same Projection as proj.
    
    Specified by:
    
    equals in interface Projection
    
    Specified by:
    
    equals in class ProjectionImpl
    
    Parameters:
    
    o - projection in question
    
    Returns:
    
    true if this represents the same Projection as proj.
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - latLonToProj
```
public ProjectionPoint latLonToProj(LatLonPoint latLon,
                                    ProjectionPointImpl result)
```
    Convert a LatLonPoint to projection coordinates
    
    Specified by:
    
    latLonToProj in interface Projection
    
    Specified by:
    
    latLonToProj in class ProjectionImpl
    
    Parameters:
    
    latLon - convert from these lat, lon coordinates
    
    result - the object to write to
    
    Returns:
    
    the given result
  - projToLatLon
```
public LatLonPoint projToLatLon(ProjectionPoint world,
                                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 Projection
    
    Specified by:
    
    projToLatLon in class 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 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 float[][] projToLatLon(float[][] from,
                              float[][] to)
```
    Convert lat/lon coordinates to projection coordinates.
    
    Overrides:
    
    projToLatLon in class 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 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 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

Class TransverseMercator

Field Summary

Fields inherited from class ucar.unidata.geoloc.ProjectionImpl

Constructor Summary

Method Summary

Methods inherited from class ucar.unidata.geoloc.ProjectionImpl

Methods inherited from class java.lang.Object

Methods inherited from interface ucar.unidata.geoloc.Projection

Constructor Detail

TransverseMercator

TransverseMercator

TransverseMercator

TransverseMercator

Method Detail

constructCopy

getScale

getTangentLon

getOriginLat

getFalseEasting

getFalseNorthing

getEarthRadius

setScale

setOriginLat

setTangentLon

setFalseEasting

setFalseNorthing

getProjectionTypeLabel

paramsToString

toString

crossSeam

equals

hashCode

latLonToProj

projToLatLon

latLonToProj

projToLatLon

latLonToProj

projToLatLon