jvx.loader

## Class PgFeLoader

- java.lang.Object
- - jv.loader.PgAbstractLoader
  - - jvx.loader.PgFeLoader

- All Implemented Interfaces:
    PgLoaderIf

      public final class PgFeLoader
      extends PgAbstractLoader

  Loader for geometry files given in Ken Brakke's Surface Evolver FE file format. This reader supports a subset of the commands.

- - ### Field Summary

    - ### Fields inherited from interface jv.loader.PgLoaderIf

      `GEOM_DATA_AUTHOR, GEOM_DATA_COLORS, GEOM_DATA_HEADER, GEOM_DATA_INFO, GEOM_DATA_NORMALS, GEOM_DATA_TEXTURE, GEOM_DATA_VECTORS`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `PgFeLoader()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `PgJvxSrc[]` | `read(java.io.BufferedReader in)` Read geometry file in Ken Brakke's Surface Evolver FE file format.
    `boolean` | `write(java.io.Writer writer, PgJvxSrc[] geomArr)` Write an array of geometries into an output stream writer.

    - ### Methods inherited from class jv.loader.PgAbstractLoader

      `getAnimations, getDisplayOption, getGeometries, getSpecializedGeometries, isAnimation, isEnabledOptimization, load, read, setAnimation, setDisplayOption, setGeometryOption, write`

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

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

- - ### Constructor Detail

    - #### PgFeLoader

          public PgFeLoader()

  - ### Method Detail

    - #### read

          public PgJvxSrc[] read(java.io.BufferedReader in)

      Read geometry file in Ken Brakke's Surface Evolver FE file format.

      The returned array of geometry may contain keyframes of an animation. This is checked with the method `isAnimation()`.

      Alternatively, one may call load(BuffereredReader) followed by getGeometries() resp. getAnimations() to have a finer control about which information one wants to use from a source. For example, optional display information must be retrieve by a subsequent call getDisplayOption() if available.

      Specified by:
        `read` in interface `PgLoaderIf`
      Overrides:
        `read` in class `PgAbstractLoader`
      Parameters:
        `in` - BufferedReader to read textual data from.
      Returns:
        Array of JVX geometries.
      See Also:
        `write(Writer, PgJvxSrc [])`

    - #### write

          public boolean write(java.io.Writer writer,
                      PgJvxSrc[] geomArr)
                        throws java.io.IOException

      Write an array of geometries into an output stream writer.

      Numbers with absolute value less than `jv.vecmath.PuMath#EPS` are shown as zero. This avoids the annoying fact that double precision numbers fill the whole text area hiding the exponent, which hides their small value.

      Specified by:
        `write` in interface `PgLoaderIf`
      Overrides:
        `write` in class `PgAbstractLoader`
      Parameters:
        `writer` - Write all data to this stream
        `geomArr` - Array with geometries to save
      Returns:
        `true` on success.
      Throws:
        `java.io.IOException`
      See Also:
        `read(BufferedReader)`

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