Package skyview.geometry.projecter

Class Car

java.lang.Object
skyview.geometry.Transformer
skyview.geometry.Projecter
skyview.geometry.projecter.Car
All Implemented Interfaces:
Serializable, Component
public final class Car extends Projecter
This class implements the Cartesian (rectangular) projection. Note that the tangent point is assumed to be at the north pole. This class assumes preallocated arrays for maximum efficiency.
See Also:

  • Constructor Details

    • Car

      public Car()

  • Method Details

    • getName

      public String getName()
      Get the name of the compontent

    • getDescription

      public String getDescription()
      Return a description of the component

    • inverse

      public Deprojecter inverse()
      Get the inverse transformation
      Specified by:
      inverse in class Projecter

    • getXTiling

      public double getXTiling()
      Get tile offsets
      Overrides:
      getXTiling in class Projecter
      Returns:
      The period in X in radians. A value of 0 means that there is not periodicity.

    • getYTiling

      public double getYTiling()
      Get tile offsets
      Overrides:
      getYTiling in class Projecter
      Returns:
      The tiling period in radians. A value of 0 means that there is no period.

    • isInverse

      public boolean isInverse(Transformer t)
      Is this an inverse of some other transformation?
      Specified by:
      isInverse in class Transformer

    • shadowPoint

      public double[] shadowPoint(double x, double y)
      Find the shadow to this point
      Overrides:
      shadowPoint in class Projecter

    • transform

      public final void transform(double[] sphere, double[] plane)
      Do the transformation
      Specified by:
      transform in class Transformer
      Parameters:
      sphere - The input vector.
      plane - The output vector, it may be the same as the input vector if the dimensionalities are the same. All transformers are expected to work with aliased inputs and output.

    • allValid

      public boolean allValid()
      The entire plane is valid
      Overrides:
      allValid in class Projecter

    • straddle

      public boolean straddle(double[][] vertices)
      Does this area appear to straddle the standard region?
      Overrides:
      straddle in class Projecter

    • straddleable

      public boolean straddleable()
      Description copied from class: Projecter
      Is it possible for a pixel to straddle the valid region.
      Overrides:
      straddleable in class Projecter

    • straddleComponents

      public double[][][] straddleComponents(double[][] inputs)
      Return a set of straddle points.
      Overrides:
      straddleComponents in class Projecter

    • tissot

      public double[] tissot(double x, double y)
      Return the Tissot indicatrix for point
      Overrides:
      tissot in class Projecter
      Parameters:
      x - The X-value at which the Tissot indicatrix is to be calculated.
      y - The Y-value at which the Tissot indicatrix is to be calculated.
      Returns:
      A three element double vector [Semimajor, semiminor, position angle] with the axes size and positional angle of the ellipse.