igeo

## Class I2DMapFieldGeo

- java.lang.Object
- - igeo.IFieldGeo
  - - igeo.I2DMapFieldGeo

- All Implemented Interfaces:
    I2DFieldI, IFieldI

      public class I2DMapFieldGeo
      extends IFieldGeo
      implements I2DFieldI

  2D vector filed defined by a IMap
  Author:
    Satoru Sugihara

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class igeo.IFieldGeo

      `IFieldGeo.Decay`

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `IVec` | `corner`
    `IDoubleMap` | `dmap`
    `double` | `height`
    `int` | `interpolationRange`
    `IMap` | `map`
    `int` | `mapHeight`
    `int` | `mapWidth`
    `double` | `width`

    - ### Fields inherited from class igeo.IFieldGeo

      `bidirectional, constantIntensity, customDecay, decay, gaussDecay, intensity, linearDecay, noDecay, threshold`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `I2DMapFieldGeo(IMap m, IVec cnr, double wid, double hei)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `del()`
    `IVec2` | `dif(int uidx, int vidx)`
    `IVec2I` | `get(IVecI v)` get 3D vector field value
    `IVec2I` | `get(IVecI pos, double u, double v)` get original field value out of surface parameter uv
    `IVec2I` | `get(IVecI pos, IVecI vel)` get 3D vector field value
    `IVec2I` | `get(IVecI pos, IVecI vel, double u, double v)` get original field value out of surface parameter uv
    `I2DMapFieldGeo` | `intensity(double i)` set output intensity
    `(package private) IVec2` | `interpolateDif(int uidx, int vidx)`
    `double` | `udif(int uidx, int vidx)`
    `double` | `vdif(int uidx, int vidx)`

    - ### Methods inherited from class igeo.IFieldGeo

      `bidirectional, constantIntensity, decay, decay, gauss, gaussian, gaussianDecay, intensity, linear, linearDecay, noDecay, threshold, threshold`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface igeo.IFieldI

      `bidirectional, constantIntensity, decay, gauss, gaussian, gaussianDecay, intensity, linear, linearDecay, noDecay, threshold, threshold`

- - ### Field Detail

    - #### map

          public IMap map

    - #### dmap

          public IDoubleMap dmap

    - #### corner

          public IVec corner

    - #### width

          public double width

    - #### height

          public double height

    - #### mapWidth

          public int mapWidth

    - #### mapHeight

          public int mapHeight

    - #### interpolationRange

          public int interpolationRange

  - ### Constructor Detail

    - #### I2DMapFieldGeo

          public I2DMapFieldGeo(IMap m,
                        IVec cnr,
                        double wid,
                        double hei)

  - ### Method Detail

    - #### udif

          public double udif(int uidx,
                    int vidx)

    - #### vdif

          public double vdif(int uidx,
                    int vidx)

    - #### dif

          public IVec2 dif(int uidx,
                  int vidx)

    - #### interpolateDif

          IVec2 interpolateDif(int uidx,
                             int vidx)

    - #### get

          public IVec2I get(IVecI pos,
                   double u,
                   double v)

      get original field value out of surface parameter uv

    - #### get

          public IVec2I get(IVecI pos,
                   IVecI vel,
                   double u,
                   double v)

      get original field value out of surface parameter uv

    - #### get

          public IVec2I get(IVecI v)

      get 3D vector field value
      Specified by:
        `get` in interface `I2DFieldI`
      Specified by:
        `get` in interface `IFieldI`

    - #### get

          public IVec2I get(IVecI pos,
                   IVecI vel)

      get 3D vector field value
      Specified by:
        `get` in interface `I2DFieldI`
      Specified by:
        `get` in interface `IFieldI`

    - #### intensity

          public I2DMapFieldGeo intensity(double i)

      Description copied from class: `IFieldGeo`
      set output intensity
      Specified by:
        `intensity` in interface `IFieldI`
      Overrides:
        `intensity` in class `IFieldGeo`

    - #### del

          public void del()

      Specified by:
        `del` in interface `IFieldI`