.TH "SoAntiSquish" 3 "Tue Jun 23 2026 23:48:38" "Version 4.0.10" "Coin" \" -*- nroff -*-
.ad l
.nh
.SH NAME
SoAntiSquish \- The \fBSoAntiSquish\fP class is used to reset to uniform scaling\&.  

.SH SYNOPSIS
.br
.PP
.PP
\fR#include <Inventor/nodes/SoAntiSquish\&.h>\fP
.PP
Inherits \fBSoTransformation\fP\&.
.SS "Public Types"

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.RI "enum \fBSizing\fP { \fBX\fP, \fBY\fP, \fBZ\fP, \fBAVERAGE_DIMENSION\fP, \fBBIGGEST_DIMENSION\fP, \fBSMALLEST_DIMENSION\fP, \fBLONGEST_DIAGONAL\fP }"
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Public Types inherited from \fBSoNode\fP
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.RI "enum \fBNodeType\fP { \fBINVENTOR\fP = 0x0000, \fBVRML1\fP = 0x0001, \fBVRML2\fP = 0x0002, \fBINVENTOR_1\fP = 0x0004, \fBINVENTOR_2_0\fP = 0x0008, \fBINVENTOR_2_1\fP = 0x0010, \fBINVENTOR_2_5\fP = 0x0020, \fBINVENTOR_2_6\fP = 0x0040, \fBCOIN_1_0\fP = 0x0080, \fBCOIN_2_0\fP = 0x0100, \fBEXTENSION\fP = 0x0200, \fBCOIN_2_2\fP = 0x0400, \fBCOIN_2_3\fP = 0x0800, \fBCOIN_2_4\fP = 0x1000, \fBINVENTOR_5_0\fP = 0x2000, \fBCOIN_2_5\fP = 0x4000, \fBCOIN_3_0\fP = 0x8000, \fBINVENTOR_6_0\fP = 0x10000, \fBCOIN_4_0\fP = 0x20000 }"
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.SS "Public Member Functions"

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.RI "virtual \fBSoType\fP \fBgetTypeId\fP (void) const"
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.RI "\fBSoAntiSquish\fP (void)"
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.RI "void \fBrecalc\fP (void)"
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.RI "virtual void \fBdoAction\fP (\fBSoAction\fP *action)"
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Public Member Functions inherited from \fBSoNode\fP
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.RI "void \fBsetOverride\fP (const SbBool state)"
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.RI "SbBool \fBisOverride\fP (void) const"
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.RI "void \fBsetNodeType\fP (const \fBNodeType\fP type)"
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.RI "\fBNodeType\fP \fBgetNodeType\fP (void) const"
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.RI "virtual \fBSoNode\fP * \fBcopy\fP (SbBool copyconnections=FALSE) const"
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.RI "virtual SbBool \fBaffectsState\fP (void) const"
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.RI "virtual void \fBGLRenderBelowPath\fP (\fBSoGLRenderAction\fP *action)"
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.RI "virtual void \fBGLRenderInPath\fP (\fBSoGLRenderAction\fP *action)"
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.RI "virtual void \fBGLRenderOffPath\fP (\fBSoGLRenderAction\fP *action)"
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.RI "virtual void \fBhandleEvent\fP (\fBSoHandleEventAction\fP *action)"
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.RI "virtual void \fBrayPick\fP (\fBSoRayPickAction\fP *action)"
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.RI "virtual void \fBsearch\fP (\fBSoSearchAction\fP *action)"
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.RI "virtual void \fBwrite\fP (\fBSoWriteAction\fP *action)"
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.RI "virtual void \fBaudioRender\fP (\fBSoAudioRenderAction\fP *action)"
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.RI "virtual void \fBgetPrimitiveCount\fP (\fBSoGetPrimitiveCountAction\fP *action)"
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.RI "virtual void \fBgrabEventsSetup\fP (void)"
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.RI "virtual void \fBgrabEventsCleanup\fP (void)"
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.RI "virtual void \fBstartNotify\fP (void)"
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.RI "virtual void \fBnotify\fP (\fBSoNotList\fP *l)"
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.RI "SbUniqueId \fBgetNodeId\fP (void) const"
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.RI "virtual \fBSoChildList\fP * \fBgetChildren\fP (void) const"
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.RI "virtual void \fBwriteInstance\fP (\fBSoOutput\fP *out)"
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.RI "virtual \fBSoNode\fP * \fBaddToCopyDict\fP (void) const"
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.RI "virtual void \fBcopyContents\fP (const \fBSoFieldContainer\fP *from, SbBool copyconnections)"
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.RI "virtual \fBSoFieldContainer\fP * \fBcopyThroughConnection\fP (void) const"
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Public Member Functions inherited from \fBSoFieldContainer\fP
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.RI "void \fBsetToDefaults\fP (void)"
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.RI "SbBool \fBhasDefaultValues\fP (void) const"
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.RI "SbBool \fBfieldsAreEqual\fP (const \fBSoFieldContainer\fP *container) const"
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.RI "void \fBcopyFieldValues\fP (const \fBSoFieldContainer\fP *container, SbBool copyconnections=FALSE)"
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.RI "SbBool \fBset\fP (const char *const fielddata)"
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.RI "void \fBget\fP (\fBSbString\fP &fielddata)"
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.RI "virtual int \fBgetFields\fP (\fBSoFieldList\fP &l) const"
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.RI "virtual int \fBgetAllFields\fP (\fBSoFieldList\fP &l) const"
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.RI "virtual \fBSoField\fP * \fBgetField\fP (const \fBSbName\fP &name) const"
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.RI "virtual \fBSoField\fP * \fBgetEventIn\fP (const \fBSbName\fP &name) const"
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.RI "virtual \fBSoField\fP * \fBgetEventOut\fP (const \fBSbName\fP &name) const"
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.RI "SbBool \fBgetFieldName\fP (const \fBSoField\fP *const field, \fBSbName\fP &name) const"
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.RI "SbBool \fBenableNotify\fP (const SbBool flag)"
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.RI "SbBool \fBisNotifyEnabled\fP (void) const"
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.RI "SbBool \fBset\fP (const char *fielddata, \fBSoInput\fP *input)"
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.RI "void \fBget\fP (\fBSbString\fP &fielddata, \fBSoOutput\fP *out)"
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.RI "virtual SbBool \fBvalidateNewFieldValue\fP (\fBSoField\fP *field, void *newval)"
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.RI "virtual void \fBaddWriteReference\fP (\fBSoOutput\fP *out, SbBool isfromfield=FALSE)"
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.RI "SbBool \fBgetIsBuiltIn\fP (void) const"
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.RI "virtual void \fBgetFieldsMemorySize\fP (size_t &managed, size_t &unmanaged) const"
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.RI "void \fBsetUserData\fP (void *userdata) const"
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.RI "void * \fBgetUserData\fP (void) const"
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Public Member Functions inherited from \fBSoBase\fP
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.RI "void \fBref\fP (void) const"
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.RI "void \fBunref\fP (void) const"
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.RI "void \fBunrefNoDelete\fP (void) const"
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.RI "int32_t \fBgetRefCount\fP (void) const"
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.RI "void \fBtouch\fP (void)"
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.RI "SbBool \fBisOfType\fP (\fBSoType\fP type) const"
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.RI "Returns \fRTRUE\fP if the type of this object is either of the same type or inherited from \fItype\fP\&. "
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.RI "virtual \fBSbName\fP \fBgetName\fP (void) const"
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.RI "virtual void \fBsetName\fP (const \fBSbName\fP &newname)"
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.RI "void \fBaddAuditor\fP (void *const auditor, const \fBSoNotRec::Type\fP type)"
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.RI "void \fBremoveAuditor\fP (void *const auditor, const \fBSoNotRec::Type\fP type)"
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.RI "const \fBSoAuditorList\fP & \fBgetAuditors\fP (void) const"
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.RI "SbBool \fBshouldWrite\fP (void)"
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.RI "void \fBassertAlive\fP (void) const"
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.SS "Static Public Member Functions"

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.RI "static \fBSoType\fP \fBgetClassTypeId\fP (void)"
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.RI "static void \fBinitClass\fP (void)"
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.RI "Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system\&.    "
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Static Public Member Functions inherited from \fBSoTransformation\fP
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.RI "static \fBSoType\fP \fBgetClassTypeId\fP (void)"
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.RI "static void \fBinitClass\fP (void)"
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.RI "Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system\&.    "
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Static Public Member Functions inherited from \fBSoNode\fP
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.RI "static uint32_t \fBgetCompatibilityTypes\fP (const \fBSoType\fP &nodetype)"
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.RI "static \fBSoType\fP \fBgetClassTypeId\fP (void)"
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.RI "static \fBSoNode\fP * \fBgetByName\fP (const \fBSbName\fP &name)"
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.RI "static int \fBgetByName\fP (const \fBSbName\fP &name, \fBSoNodeList\fP &l)"
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.RI "static void \fBinitClass\fP (void)"
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.RI "Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system\&.    "
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.RI "static void \fBinitClasses\fP (void)"
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.RI "static SbUniqueId \fBgetNextNodeId\fP (void)"
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.RI "static int \fBgetActionMethodIndex\fP (const \fBSoType\fP type)"
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.RI "static void \fBgetBoundingBoxS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBGLRenderS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBcallbackS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBgetMatrixS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBhandleEventS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBpickS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBrayPickS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBsearchS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBwriteS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBaudioRenderS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "static void \fBgetPrimitiveCountS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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Static Public Member Functions inherited from \fBSoFieldContainer\fP
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.RI "static void \fBinitClass\fP (void)"
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.RI "Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system\&.    "
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.RI "static \fBSoType\fP \fBgetClassTypeId\fP (void)"
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.RI "This static method returns the \fBSoType\fP object associated with objects of this class\&.    "
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.RI "static void \fBcleanupClass\fP (void)"
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.RI "static void \fBinitCopyDict\fP (void)"
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.RI "static void \fBaddCopy\fP (const \fBSoFieldContainer\fP *orig, const \fBSoFieldContainer\fP *copy)"
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.RI "static \fBSoFieldContainer\fP * \fBcheckCopy\fP (const \fBSoFieldContainer\fP *orig)"
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.RI "static \fBSoFieldContainer\fP * \fBfindCopy\fP (const \fBSoFieldContainer\fP *orig, const SbBool copyconnections)"
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.RI "static void \fBcopyDone\fP (void)"
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Static Public Member Functions inherited from \fBSoBase\fP
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.RI "static void \fBinitClass\fP (void)"
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.RI "Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system\&. "
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.RI "static \fBSoType\fP \fBgetClassTypeId\fP (void)"
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.RI "This static method returns the \fBSoType\fP object associated with objects of this class\&. "
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.RI "static void \fBaddName\fP (\fBSoBase\fP *const base, const char *const name)"
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.RI "static void \fBremoveName\fP (\fBSoBase\fP *const base, const char *const name)"
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.RI "static void \fBincrementCurrentWriteCounter\fP (void)"
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.RI "static void \fBdecrementCurrentWriteCounter\fP (void)"
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.RI "static \fBSoBase\fP * \fBgetNamedBase\fP (const \fBSbName\fP &name, \fBSoType\fP type)"
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.RI "static int \fBgetNamedBases\fP (const \fBSbName\fP &name, \fBSoBaseList\fP &baselist, \fBSoType\fP type)"
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.RI "static SbBool \fBread\fP (\fBSoInput\fP *input, \fBSoBase\fP *&base, \fBSoType\fP expectedtype)"
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.RI "static void \fBsetInstancePrefix\fP (const \fBSbString\fP &c)"
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.RI "static void \fBsetTraceRefs\fP (SbBool trace)"
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.RI "static SbBool \fBgetTraceRefs\fP (void)"
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.RI "static SbBool \fBconnectRoute\fP (\fBSoInput\fP *input, const \fBSbName\fP &fromnodename, const \fBSbName\fP &fromfieldname, const \fBSbName\fP &tonodename, const \fBSbName\fP &tofieldname)"
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.RI "static SbBool \fBreadRoute\fP (\fBSoInput\fP *input)"
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.SS "Public Attributes"

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.RI "\fBSoSFEnum\fP \fBsizing\fP"
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.RI "\fBSoSFBool\fP \fBrecalcAlways\fP"
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.SS "Protected Member Functions"

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.RI "virtual const \fBSoFieldData\fP * \fBgetFieldData\fP (void) const"
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.RI "virtual \fB~SoAntiSquish\fP ()"
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.RI "virtual void \fBcallback\fP (\fBSoCallbackAction\fP *action)"
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.RI "virtual void \fBGLRender\fP (\fBSoGLRenderAction\fP *action)"
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.RI "virtual void \fBgetBoundingBox\fP (\fBSoGetBoundingBoxAction\fP *action)"
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.RI "virtual void \fBgetMatrix\fP (\fBSoGetMatrixAction\fP *action)"
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.RI "virtual void \fBpick\fP (\fBSoPickAction\fP *action)"
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.RI "\fBSbMatrix\fP \fBgetUnsquishingMatrix\fP (const \fBSbMatrix\fP &squishedmatrix, const SbBool calcinverse, \fBSbMatrix\fP &getinverse)"
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Protected Member Functions inherited from \fBSoTransformation\fP
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.RI "\fBSoTransformation\fP (void)"
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.RI "virtual \fB~SoTransformation\fP ()"
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Protected Member Functions inherited from \fBSoNode\fP
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.RI "\fBSoNode\fP (void)"
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.RI "virtual \fB~SoNode\fP ()"
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.RI "virtual SbBool \fBreadInstance\fP (\fBSoInput\fP *in, unsigned short flags)"
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Protected Member Functions inherited from \fBSoFieldContainer\fP
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.RI "\fBSoFieldContainer\fP (void)"
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.RI "virtual \fB~SoFieldContainer\fP ()"
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Protected Member Functions inherited from \fBSoBase\fP
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.RI "\fBSoBase\fP (void)"
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.RI "virtual \fB~SoBase\fP ()"
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.RI "virtual void \fBdestroy\fP (void)"
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.RI "SbBool \fBhasMultipleWriteRefs\fP (void) const"
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.RI "SbBool \fBwriteHeader\fP (\fBSoOutput\fP *out, SbBool isgroup, SbBool isengine) const"
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.RI "void \fBwriteFooter\fP (\fBSoOutput\fP *out) const"
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.RI "virtual const char * \fBgetFileFormatName\fP (void) const"
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.RI "virtual \fBSoNotRec\fP \fBcreateNotRec\fP (void)"
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.SS "Static Protected Member Functions"

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.RI "static const \fBSoFieldData\fP ** \fBgetFieldDataPtr\fP (void)"
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Static Protected Member Functions inherited from \fBSoTransformation\fP
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.RI "static const \fBSoFieldData\fP ** \fBgetFieldDataPtr\fP (void)"
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Static Protected Member Functions inherited from \fBSoNode\fP
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.RI "static const \fBSoFieldData\fP ** \fBgetFieldDataPtr\fP (void)"
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.RI "static void \fBsetNextActionMethodIndex\fP (int index)"
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.RI "static int \fBgetNextActionMethodIndex\fP (void)"
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.RI "static void \fBincNextActionMethodIndex\fP (void)"
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.RI "static void \fBsetCompatibilityTypes\fP (const \fBSoType\fP &nodetype, const uint32_t bitmask)"
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Static Protected Member Functions inherited from \fBSoBase\fP
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.RI "static uint32_t \fBgetCurrentWriteCounter\fP (void)"
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.RI "static void \fBstaticDataLock\fP (void)"
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.RI "static void \fBstaticDataUnlock\fP (void)"
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.SS "Additional Inherited Members"


Protected Types inherited from \fBSoBase\fP
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.RI "enum \fBBaseFlags\fP { \fBIS_ENGINE\fP = 0x01, \fBIS_GROUP\fP = 0x02 }"
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Protected Attributes inherited from \fBSoNode\fP
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.RI "SbUniqueId \fBuniqueId\fP"
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Protected Attributes inherited from \fBSoFieldContainer\fP
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.RI "SbBool \fBisBuiltIn\fP"
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Static Protected Attributes inherited from \fBSoNode\fP
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.RI "static SbUniqueId \fBnextUniqueId\fP = 1"
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.RI "static int \fBnextActionMethodIndex\fP = 0"
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.SH "Detailed Description"
.PP 
The \fBSoAntiSquish\fP class is used to reset to uniform scaling\&. 

When traversed, this node replaces the scale vector of the matrix with uniform values, based on one of the \fBSoAntiSquish::Sizing\fP strategies\&.

.PP
This node is for instance used by manipulators to retain the shape of their dragger geometries when set up within the influence of an \fBSoSurroundScale\fP node (which can yield nonuniform scale-vectors in the current state transformation matrix)\&.

.PP
\fBFILE FORMAT/DEFAULTS:\fP 
.PP
.nf
AntiSquish {
    recalcAlways TRUE
    sizing AVERAGE_DIMENSION
}

.fi
.PP

.PP
\fBSee also\fP
.RS 4
\fBSoSurroundScale\fP for a usage example\&. 
.RE
.PP

.SH "Member Enumeration Documentation"
.PP 
.SS "enum \fBSoAntiSquish::Sizing\fP"
Different strategies for "unsquishing" a nonuniform scaling\&. Values are used by the \fBSoAntiSquish::sizing\fP field\&. 
.PP
\fBEnumerator\fP
.in +1c
.TP
\f(BIX \fP
The X-axis scaling factor is used\&. 
.TP
\f(BIY \fP
The Y-axis scaling factor is used\&. 
.TP
\f(BIZ \fP
The Z-axis scaling factor is used\&. 
.TP
\f(BIAVERAGE_DIMENSION \fP
The average value of the scaling factors is used\&. 
.TP
\f(BIBIGGEST_DIMENSION \fP
The biggest of all scaling factors is used\&. 
.TP
\f(BISMALLEST_DIMENSION \fP
The smallest of all scaling factors is used\&. 
.TP
\f(BILONGEST_DIAGONAL \fP
A unit cube is transformed by the current state transformation matrix\&. The scaling factor is set to the value of its longest diagonal\&. 
.SH "Constructor & Destructor Documentation"
.PP 
.SS "SoAntiSquish::SoAntiSquish (void )"
Constructor\&. 
.SS "SoAntiSquish::~SoAntiSquish ()\fR [protected]\fP, \fR [virtual]\fP"
Destructor\&. 
.SH "Member Function Documentation"
.PP 
.SS "\fBSoType\fP SoAntiSquish::getClassTypeId (void )\fR [static]\fP"
This static method returns the \fBSoType\fP object associated with objects of this class\&. 
.SS "\fBSoType\fP SoAntiSquish::getTypeId (void ) const\fR [virtual]\fP"
Returns the type identification of an object derived from a class inheriting \fBSoBase\fP\&. This is used for runtime type checking and "downward" casting\&. 
.PP
Reimplemented from \fBSoTransformation\fP\&.
.SS "const \fBSoFieldData\fP ** SoAntiSquish::getFieldDataPtr (void )\fR [static]\fP, \fR [protected]\fP"
\fIThis API member is considered internal to the library, as it is not likely to be of interest to the application programmer\&.\fP
.br

.br
 Returns the \fBSoFieldData\fP class which holds information about fields in this node\&. 
.SS "const \fBSoFieldData\fP * SoAntiSquish::getFieldData (void ) const\fR [protected]\fP, \fR [virtual]\fP"
Returns a pointer to the class-wide field data storage object for this instance\&. If no fields are present, returns \fRNULL\fP\&. 
.PP
Reimplemented from \fBSoTransformation\fP\&.
.SS "void SoAntiSquish::recalc (void )"
If \fBSoAntiSquish::recalcAlways\fP has been set to \fRFALSE\fP, you must call this method whenever the transformations before this node in the graph has changed\&.

.PP
\fBSee also\fP
.RS 4
\fBSoAntiSquish::recalcAlways\fP 
.RE
.PP

.SS "void SoAntiSquish::doAction (\fBSoAction\fP * action)\fR [virtual]\fP"
Accumulates an "unsquishing" matrix on top of the current model matrix\&. 
.PP
Reimplemented from \fBSoNode\fP\&.
.SS "void SoAntiSquish::callback (\fBSoCallbackAction\fP * action)\fR [protected]\fP, \fR [virtual]\fP"
Action method for \fBSoCallbackAction\fP\&.

.PP
Simply updates the state according to how the node behaves for the render action, so the application programmer can use the \fBSoCallbackAction\fP for extracting information about the scene graph\&. 
.PP
Reimplemented from \fBSoNode\fP\&.
.SS "void SoAntiSquish::GLRender (\fBSoGLRenderAction\fP * action)\fR [protected]\fP, \fR [virtual]\fP"
Action method for the \fBSoGLRenderAction\fP\&.

.PP
This is called during rendering traversals\&. Nodes influencing the rendering state in any way or want to throw geometry primitives at OpenGL override this method\&. 
.PP
Reimplemented from \fBSoNode\fP\&.
.SS "void SoAntiSquish::getBoundingBox (\fBSoGetBoundingBoxAction\fP * action)\fR [protected]\fP, \fR [virtual]\fP"
Action method for the \fBSoGetBoundingBoxAction\fP\&.

.PP
Calculates bounding box and center coordinates for node and modifies the values of the \fIaction\fP to encompass the bounding box for this node and to shift the center point for the scene more towards the one for this node\&.

.PP
Nodes influencing how geometry nodes calculate their bounding box also override this method to change the relevant state variables\&. 
.PP
Reimplemented from \fBSoNode\fP\&.
.SS "void SoAntiSquish::getMatrix (\fBSoGetMatrixAction\fP * action)\fR [protected]\fP, \fR [virtual]\fP"
Action method for \fBSoGetMatrixAction\fP\&.

.PP
Updates \fIaction\fP by accumulating with the transformation matrix of this node (if any)\&. 
.PP
Reimplemented from \fBSoNode\fP\&.
.SS "void SoAntiSquish::pick (\fBSoPickAction\fP * action)\fR [protected]\fP, \fR [virtual]\fP"
Action method for \fBSoPickAction\fP\&.

.PP
Does common processing for \fBSoPickAction\fP \fIaction\fP instances\&. 
.PP
Reimplemented from \fBSoNode\fP\&.
.SS "\fBSbMatrix\fP SoAntiSquish::getUnsquishingMatrix (const \fBSbMatrix\fP & squishedmatrix, const SbBool calcinverse, \fBSbMatrix\fP & getinverse)\fR [protected]\fP"
Calculate and return the matrix needed to "unsquish" the \fIsquishedmatrix\fP\&.

.PP
If \fIcalcinverse\fP is \fRTRUE\fP, store the inverse of the unsquishmatrix in \fIgetinverse\fP\&. 
.SH "Member Data Documentation"
.PP 
.SS "\fBSoSFEnum\fP SoAntiSquish::sizing"
The current "unsquish" strategy\&. Default value is \fBSoAntiSquish::AVERAGE_DIMENSION\fP\&. 
.SS "\fBSoSFBool\fP SoAntiSquish::recalcAlways"
Whether to automatically have the unsquishing parameters recalculated for every traversal\&. Default value is \fRTRUE\fP\&.

.PP
You can set this to \fRFALSE\fP and manually invoke \fBSoAntiSquish::recalc()\fP if you need closer control of the geometry influenced by this node\&. 

.SH "Author"
.PP 
Generated automatically by Doxygen for Coin from the source code\&.