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## de.grogra.imp3d.objects
Class PolygonsBase

    java.lang.Object
      de.grogra.imp3d.objects.PolygonsBase

All Implemented Interfaces:
  ContextDependent, Polygons, Polygonization, java.io.Serializable

Direct Known Subclasses:
  PolygonMesh

    public abstract class PolygonsBase

extends java.lang.Object
implements Polygons, java.io.Serializable

This abstract class can be used as superclass for user-defined polygonal data. The method `Polygonization.polygonize(de.grogra.graph.ContextDependent, de.grogra.graph.GraphState, de.grogra.imp3d.PolygonArray, int, float)` has to be implemented.

Author:
  Ole Kniemeyer
See Also:
  Serialized Form

Field Summary

Fields inherited from interface de.grogra.imp3d.Polygonization
`COMPUTE_NORMALS, COMPUTE_UV`

Constructor Summary
`PolygonsBase()`

Method Summary
`boolean` | `dependsOnContext()` Determines whether this object actually depends on context.
`int` | `getStamp()`
`void` | `writeStamp(Cache.Entry cache, GraphState gs)` Writes a stamp of the context into `cache`.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface de.grogra.imp3d.Polygonization
`polygonize`

Constructor Detail

### PolygonsBase

    public PolygonsBase()

Method Detail

### dependsOnContext

    public boolean dependsOnContext()

  Description copied from interface: `ContextDependent`
  Determines whether this object actually depends on context.

  Specified by:
    `dependsOnContext` in interface `ContextDependent`
  Returns:
    `true` iff this object depends on context

### getStamp

    public int getStamp()

### writeStamp

    public void writeStamp(Cache.Entry cache,
                           GraphState gs)

  Description copied from interface: `ContextDependent`
  Writes a stamp of the context into `cache`. Based on this stamp, a cache detects whether the context of this object has changed or not.

  Specified by:
    `writeStamp` in interface `ContextDependent`
  Parameters:
    `cache` - a cache entry to write the stamp
    `gs` - the current graph state

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