Stephen Blair wrote:
>
> To compare testA and testB, which are both SubComponents, you could use
> the IsEqualTo method.
>
> Point, Vertex, and Edge objects also support IsEqualTo.
>
That did the trick nicely, Thanks!
Joey
> Testing Index is comparing integer values. Two vertices on two distinct
> objects can have the same index value.
>
> -----Original Message-----
> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf
> Of Joey Ponthieux
> Sent: April 19, 2006 12:00 PM
> To: XSI(at)Softimage.COM
> Subject: Re: So why won't this conditional work?
>
> Ok, I follow this as it is pretty much what I was expecting might be the
> case. So then the question is what is the most reliable way to
> de-reference the components I am trying to match. While I've got years
> of experience with Perl, I have absolutely no experience with Jscript.
> Would you convert the content of the reference to a string then use
> regex, or is there a simpler method. I note that Ian's example using
> .Index does work, but would any two elements from two separate objects
> with the same index match or is the Index also providing a backtrace to
> the object or origination. In other words is the conditional just
> testing the integer represented by the index or the actual element? My
> thinking is that it is only testing the integer value of the Index,
> correct? Therefore any two elements which happen to have the same index
> could fool the conditional into providing a true return value.
>
> Joey
>
> Stephen Blair wrote:
> >
> > Hi Joey
> >
> > Because you are comparing objects.
> > In most cases, when you get an object you are getting a reference, or
> > handle, to the corresponding XSI object.
> >
> > If you have two references to the same object, those references are
> > not equal.
> >
> > Example:
> >
> > var o1 = Dictionary.GetObject( "cube" ); var o2 =
> > Dictionary.GetObject( "cube" ); LogMessage( o1 == o2 );
> >
> > -----Original Message-----
> > From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On
> > Behalf Of Joey Ponthieux
> > Sent: April 19, 2006 10:37 AM
> > To: xsi(at)Softimage.COM
> > Subject: So why won't this conditional work?
> >
> > var oCube = ActiveSceneRoot.AddGeometry( "Cube", "MeshSurface" ); var
> > oGeometry = oCube.ActivePrimitive.Geometry; var oEdge =
> > oGeometry.Polygons(0).Edges(1); var oPolyNeighbors =
> > oEdge.NeighborPolygons(1); var oPolyVerts =
> > oPolyNeighbors(0).NeighborVertices(1);
> > var oEdgeVerts = oEdge.NeighborVertices(1);
> >
> > var testA = oPolyVerts(2).SubComponent; var testB =
> > oEdgeVerts(1).SubComponent;
> >
> > //What they look like
> > LogMessage (oPolyVerts(2));
> > LogMessage (oEdgeVerts(1));
> > LogMessage (testA);
> > LogMessage (testB);
> >
> > //test it even further, both select the same exact point
> > SelectGeometryComponents(oPolyVerts(2)); //"cube.pnt[3]"
> > SelectGeometryComponents(oEdgeVerts(1)); //"cube.pnt[3]"
> >
> > //but these conditionals fail
> > if( oPolyVerts(2) == oEdgeVerts(1) ){ //would this be a bad
> > test even
> > if the conditional worked
> > LogMessage("hello"); //I expext it is
> testing
> > if Vertex == Vertex
> >
> > }else if (eval(oPolyVerts(2)) == eval(oEdgeVerts(1)) ){ //same results
>
> > as above,
> > LogMessage("world") //still no joy
> > on the condition
> >
> > }else if (testA == testB ){ //this would be a better test,
> > but still
> > why does this fail
> > LogMessage("foo")
> >
> > }else{
> > LogMessage("Why won't this work?") }
> >
> > --
> >
> > Joey Ponthieux
> > NCI Information Systems Inc.
> > NASA Langley Research Center
> > ____________________________________________________________
> > Opinions stated here-in are strictly those of the author and do not
> > represent the opinions of NASA or any other party.
> > ---
> > Unsubscribe? Mail Majordomo(at)Softimage.COM with the following text in
> > body:
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> >
> > ---
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>
> --
>
> Joey Ponthieux
> NCI Information Systems Inc.
> NASA Langley Research Center
> ____________________________________________________________
> Opinions stated here-in are strictly those of the author and do not
> represent the opinions of NASA or any other party.
> ---
> Unsubscribe? Mail Majordomo(at)Softimage.COM with the following text in
> body:
> unsubscribe xsi
>
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--
Joey Ponthieux
NCI Information Systems Inc.
NASA Langley Research Center
____________________________________________________________
Opinions stated here-in are strictly those of the author and
do not represent the opinions of NASA or any other party.
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