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.
  Author:
    Konrad Polthier
  Version:
    22.03.10, 2.00 revised (kp) Superclass changed to PgAbstractLoader.
    06.10.03, 1.95 revised (kp) Interface extended by isEnabledOptimization().
    19.04.03, 1.90 revised (kp) Interface extended by setGeometryOption().
    21.08.02, 1.80 revised (kp) New methods getGeometries/getAnimations of PgLoaderIf implemented.
    09.12.01, 1.75 revised (kp) Parsing of polygon colors implemented.
    18.11.01, 1.70 revised (kp) Parsing of polygons improved.
    23.09.01, 1.60 revised (kp) Implement PgLoaderIf extended with methods for display options.
    11.06.01, 1.50 revised (kp) Implement PgLoaderIf.
    22.06.00, 1.00 created (kp)

- - ### 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

    All Methods Instance Methods Concrete 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 [])`
      Author:
        Konrad Polthier
      Version:
        18.11.01, 1.20 revised (kp) Parsing of polygons improved.
        10.06.01, 1.10 revised (kp) Return an array instead a single geometry.
        20.02.01, 1.00 created (kp) Method body from former version read(String fileName).

    - #### 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)`
      Version:
        10.06.01, 1.10 revised (kp) Save array of geometries instead of single geometry.
        22.06.00, 1.00 created (kp)

"

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