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## de.grogra.rgg
Class SurfaceRef

    java.lang.Object
      de.grogra.persistence.ShareableBase
          de.grogra.pf.registry.ItemReference
              de.grogra.rgg.SurfaceRef

All Implemented Interfaces:
  ContextDependent, BSplineSurface, KnotVector, VertexGrid, VertexSet, Manageable, Shareable

    public class SurfaceRef

extends ItemReference
implements BSplineSurface

Nested Class Summary
`static class` | `SurfaceRef.Type`

Field Summary
`static SurfaceRef.Type` | `$TYPE`

Fields inherited from class de.grogra.pf.registry.ItemReference
`item, itemResolved, name$FIELD, object, objectResolved`

Constructor Summary
`SurfaceRef(java.lang.String name)`

Method Summary
`boolean` | `dependsOnContext()` Determines whether this object actually depends on context.
`int` | `getDimension(GraphState gs)`
`float` | `getKnot(int dim, int index, GraphState gs)`
`ManageableType` | `getManageableType()`
`int` | `getUDegree(GraphState gs)`
`int` | `getUSize(GraphState gs)`
`int` | `getVDegree(GraphState gs)`
`int` | `getVertex(float[] out, int index, GraphState gs)`
`int` | `getVertexIndex(int u, int v, GraphState gs)`
`int` | `getVSize(GraphState gs)`
`boolean` | `isRational(GraphState gs)`
`java.lang.Object` | `manageableWriteReplace()`
`BSplineSurface` | `resolve()`
`void` | `writeStamp(Cache.Entry cache, GraphState gs)` Writes a stamp of the context into `cache`.

Methods inherited from class de.grogra.pf.registry.ItemReference
`createItem, equals, getName, hashCode, resolveItem, resolveObject`

Methods inherited from class de.grogra.persistence.ShareableBase
`addReference, appendReferencesTo, fieldModified, getProvider, getStamp, initProvider, manageableReadResolve, removeReference`

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

Field Detail

### $TYPE

    public static final SurfaceRef.Type $TYPE

Constructor Detail

### SurfaceRef

    public SurfaceRef(java.lang.String name)

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

### getDimension

    public int getDimension(GraphState gs)

  Specified by:
    `getDimension` in interface `VertexSet`

### getKnot

    public float getKnot(int dim,
                         int index,
                         GraphState gs)

  Specified by:
    `getKnot` in interface `KnotVector`

### getManageableType

    public ManageableType getManageableType()

  Specified by:
    `getManageableType` in interface `Manageable`

### getUDegree

    public int getUDegree(GraphState gs)

  Specified by:
    `getUDegree` in interface `BSplineSurface`

### getUSize

    public int getUSize(GraphState gs)

  Specified by:
    `getUSize` in interface `VertexGrid`

### getVDegree

    public int getVDegree(GraphState gs)

  Specified by:
    `getVDegree` in interface `BSplineSurface`

### getVertex

    public int getVertex(float[] out,
                         int index,
                         GraphState gs)

  Specified by:
    `getVertex` in interface `VertexSet`

### getVertexIndex

    public int getVertexIndex(int u,
                              int v,
                              GraphState gs)

  Specified by:
    `getVertexIndex` in interface `VertexGrid`

### getVSize

    public int getVSize(GraphState gs)

  Specified by:
    `getVSize` in interface `VertexGrid`

### isRational

    public boolean isRational(GraphState gs)

  Specified by:
    `isRational` in interface `VertexSet`

### manageableWriteReplace

    public java.lang.Object manageableWriteReplace()

  Specified by:
    `manageableWriteReplace` in interface `Manageable`
  Overrides:
    `manageableWriteReplace` in class `ShareableBase`

### resolve

    public BSplineSurface resolve()

### 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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