jvx.loader

## Class PgOffLoader

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

- All Implemented Interfaces:
    PgLoaderIf

      public final class PgOffLoader
      extends PgAbstractLoader

  Loader for geometry files given in Geometry Center's OFF file format.

  Currently, alpha value is only considered as global alpha and not per face (this will be improved when available in JavaView). The last alpha value of an off file is consider the global alpha of the surface.

- - ### 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
    `PgOffLoader()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `PgJvxSrc[]` | `read(java.io.BufferedReader in)` Read geometry file in Geometry Center's OFF file format.
    `static PgJvxSrc[]` | `read(java.lang.String fileName)` Read an OFF geometry file and return an array of new geometries.
    `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

    - #### PgOffLoader

          public PgOffLoader()

  - ### Method Detail

    - #### read

          public static PgJvxSrc[] read(java.lang.String fileName)

      Read an OFF geometry file and return an array of new geometries.

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

      Parameters:
        `fileName` - Name of file to read textual data from.
      Returns:
        Array of JVX geometries.
      See Also:
        `write(Writer, PgJvxSrc [])`

    - #### read

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

      Read geometry file in Geometry Center's OFF file format.

      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:
        `PgAbstractLoader.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 `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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