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com.trapezium.chisel.cleaners
Class IFS_DupCoordDetector  

java.lang.Object
  com.trapezium.chisel.Optimizer
      com.trapezium.chisel.cleaners.IFS_DupCoordDetector

All Implemented Interfaces:

java.util.EventListener, com.trapezium.chisel.NodeLocatorListener, com.trapezium.chisel.OptionHolder

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public class IFS_DupCoordDetector

extends com.trapezium.chisel.Optimizer

Detects and removes unnecessarily duplicated values in a coord, texCoord, color, or normal node. These are not removed if the Coordinate/TextureCoordinate/Color/ Normal node are DEFfed and USEd by a ROUTE. This is based on the assumption that the ROUTE changes the values, therefore editting these affects the corresponding "index" field, which exists for ROUTEd values and not for the pre-existing values.

Since:

1.0

Version:

1.0, 16 Oct 1998 (really older, just added header)

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Nested Class Summary
(package private)  class	IFS_DupCoordDetector.CharArrayContainer
(package private)  class	IFS_DupCoordDetector.CoordMergeData

 

Field Summary
(package private)  int	mergedPointCount
(package private)  int	modifiedFaceCount
(package private)  int	totalMadeUnique

 

Fields inherited from class com.trapezium.chisel.Optimizer

baseFileName, baseFilePath, dataSource

 

Constructor Summary

IFS_DupCoordDetector()           Class constructor

 

Method Summary
void	attemptOptimization(com.trapezium.vrml.node.Node n)           template, subclasses override this if they modify Nodes
(package private)  IFS_DupCoordDetector.CoordMergeData	attemptOptimization(com.trapezium.vrml.node.Node n, java.lang.String nodeFieldName, java.lang.String indexName, java.lang.String valueName)           This needs some work, when the CoordMergeData gets made, the offsets need to be readjusted, depending on how the related sets get merged.
void	optimize(com.trapezium.chisel.TokenPrinter tp, java.lang.Object param, int startTokenOffset, int endTokenOffset)           Replace index values so that they only refer to a coordinate with a given value one way.
void	summarize(java.io.PrintStream ps)           default summary (none), used by command line version

 

Methods inherited from class com.trapezium.chisel.Optimizer

addAdditionalNode, attemptOptimization, booleanToOptionValue, eofTokens, getActionMessage, getAdditionalName, getNodeName, getNumberAdditionalNames, getNumberOptions, getOptionClass, getOptionConstraints, getOptionLabel, getOptionValue, hasFinalCode, intToOptionValue, isDEFlistener, isDEFUSElistener, isPROTOlistener, isROUTElistener, nodeFound, optimizePossible, optionValueToBoolean, optionValueToInt, printFinalCode, printNumbers, replaceIndexFaceMultiple, replaceRange, replaceStartEnd, replaceValueNodeFaceMultiple, reset, routeFound, setBaseFileName, setBaseFilePath, setDataSource, setNodeName, setOptionConstraints, setOptionValue, setRangeReplacer

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

mergedPointCount

int mergedPointCount

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modifiedFaceCount

int modifiedFaceCount

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totalMadeUnique

int totalMadeUnique

Constructor Detail

IFS_DupCoordDetector

public IFS_DupCoordDetector()

Class constructor

Method Detail

attemptOptimization

public void attemptOptimization(com.trapezium.vrml.node.Node n)

Description copied from class: com.trapezium.chisel.Optimizer

template, subclasses override this if they modify Nodes

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attemptOptimization

IFS_DupCoordDetector.CoordMergeData attemptOptimization(com.trapezium.vrml.node.Node n,
                                                        java.lang.String nodeFieldName,
                                                        java.lang.String indexName,
                                                        java.lang.String valueName)

This needs some work, when the CoordMergeData gets made, the offsets need to be readjusted, depending on how the related sets get merged. For example, "texCoord" alone map one-to-one with coordinates if there is no "texCoordIndex". In this case, the offsets of the two arrays must match exactly. Any place they don't match must be un-optimized.

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optimize

public void optimize(com.trapezium.chisel.TokenPrinter tp,
                     java.lang.Object param,
                     int startTokenOffset,
                     int endTokenOffset)

Replace index values so that they only refer to a coordinate with a given value one way. Duplicate coordinates then end up not being referenced, which allows them to be clean with the IFS_CoordRemover chisel.

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summarize

public void summarize(java.io.PrintStream ps)

Description copied from class: com.trapezium.chisel.Optimizer

default summary (none), used by command line version

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