Examples of CoordinateAxis

ucar.nc2.dataset.CoordinateAxis
A Coordinate Axis is a Variable that specifies one of the coordinates of a CoordinateSystem. Mathematically it is a scalar function F from index space to S:
```
 F:D -> S where D is a product set of dimensions (aka index space), and S is the set of reals (R) or Strings. 
```
If its element type is char, it is considered a string-valued Coordinate Axis and rank is reduced by one, since the outermost dimension is considered the string length: v(i, j, .., strlen). If its element type is String, it is a string-valued Coordinate Axis. Otherwise it is numeric-valued, and isNumeric() is true.
The one-dimensional case F(i) -> R is the common case which affords important optimizations. In that case, use the subtype CoordinateAxis1D. The factory methods will return either a CoordinateAxis1D if the variable is one-dimensional, a CoordinateAxis2D if its 2D, or a CoordinateAxis for the general case.
A CoordinateAxis is optionally marked as georeferencing with an AxisType. It should have a units string and optionally a description string.
A Structure cannot be a CoordinateAxis, although members of Structures can. @author john caron

Examples of ucar.nc2.dataset.CoordinateAxis

  public GeoReferencingCoordSys( CoordinateSystem cs) {
    this.cs = cs;
  }


  public double readLatitudeCoord(Variable fromVar, int[] index) throws IOException, InvalidRangeException {
    CoordinateAxis axis = cs.getLatAxis();
    if (null == axis) throw new IllegalArgumentException("There is no latitude coordinate");
    return readValue( axis, fromVar, index);
  }

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Examples of ucar.nc2.dataset.CoordinateAxis

    if (null == axis) throw new IllegalArgumentException("There is no latitude coordinate");
    return readValue( axis, fromVar, index);
  }


  public double readLongitudeCoord(Variable fromVar, int[] index) throws IOException, InvalidRangeException {
    CoordinateAxis axis = cs.getLonAxis();
    if (null == axis) throw new IllegalArgumentException("There is no longiude coordinate");
    return readValue( axis, fromVar, index);
  }

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Examples of ucar.nc2.dataset.CoordinateAxis

    if (null == axis) throw new IllegalArgumentException("There is no longiude coordinate");
    return readValue( axis, fromVar, index);
  }


  public double readPressureCoord(Variable fromVar, int[] index) throws IOException, InvalidRangeException {
    CoordinateAxis axis = cs.getPressureAxis();
    if (null == axis) throw new IllegalArgumentException("There is no pressure coordinate");
    return readValue( axis, fromVar, index);
  }

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Examples of ucar.nc2.dataset.CoordinateAxis

    if (null == axis) throw new IllegalArgumentException("There is no pressure coordinate");
    return readValue( axis, fromVar, index);
  }


  public double readHeightCoord(Variable fromVar, int[] index) throws IOException, InvalidRangeException {
    CoordinateAxis axis = cs.getHeightAxis();
    if (null == axis) throw new IllegalArgumentException("There is no height coordinate");
    return readValue( axis, fromVar, index);
  }

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Examples of ucar.nc2.dataset.CoordinateAxis

    if (null == axis) throw new IllegalArgumentException("There is no height coordinate");
    return readValue( axis, fromVar, index);
  }


  public double readTimeCoord(Variable fromVar, int[] index) throws IOException, InvalidRangeException {
    CoordinateAxis axis = cs.getTaxis();
    if (null == axis) throw new IllegalArgumentException("There is no time coordinate");
    return readValue( axis, fromVar, index);
  }

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Examples of ucar.nc2.dataset.CoordinateAxis

    if (null == axis) throw new IllegalArgumentException("There is no time coordinate");
    return readValue( axis, fromVar, index);
  }


  public double readGeoXCoord(Variable fromVar, int[] index) throws IOException, InvalidRangeException {
    CoordinateAxis axis = cs.getXaxis();
    if (null == axis) throw new IllegalArgumentException("There is no GeoX coordinate");
    return readValue( axis, fromVar, index);
  }

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Examples of ucar.nc2.dataset.CoordinateAxis

    if (null == axis) throw new IllegalArgumentException("There is no GeoX coordinate");
    return readValue( axis, fromVar, index);
  }


  public double readGeoYCoord(Variable fromVar, int[] index) throws IOException, InvalidRangeException {
    CoordinateAxis axis = cs.getYaxis();
    if (null == axis) throw new IllegalArgumentException("There is no GeoY coordinate");
    return readValue( axis, fromVar, index);
  }

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Examples of ucar.nc2.dataset.CoordinateAxis

    if (null == axis) throw new IllegalArgumentException("There is no GeoY coordinate");
    return readValue( axis, fromVar, index);
  }


  public double readGeoZCoord(Variable fromVar, int[] index) throws IOException, InvalidRangeException {
    CoordinateAxis axis = cs.getZaxis();
    if (null == axis) throw new IllegalArgumentException("There is no GeoZ coordinate");
    return readValue( axis, fromVar, index);
  }

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Examples of ucar.nc2.dataset.CoordinateAxis

   * @param ds look in this dataset's "Best" coordinate system.
   * @param atype look for this type of CoordinateAxis. takes the first one it finds.
    * @return the found CoordinateAxis name, or null if none
   */
   static public String findCoordNameByType(NetcdfDataset ds, AxisType atype) {
     CoordinateAxis coordAxis = findCoordByType(ds, atype);
     return coordAxis == null ? null : coordAxis.getFullName();
   }

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Examples of ucar.nc2.dataset.CoordinateAxis

     CoordinateAxis coordAxis = findCoordByType(ds, atype);
     return coordAxis == null ? null : coordAxis.getFullName();
   }


  static public String findCoordShortNameByType(NetcdfDataset ds, AxisType atype) {
    CoordinateAxis coordAxis = findCoordByType(ds, atype);
    return coordAxis == null ? null : coordAxis.getShortName();
  }

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