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RE: accessing guide hairs control points in C++

To : XSI(at)Softimage.COM
From : owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM]On Behalf
From : owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM]On Behalf
Subject : RE: accessing guide hairs control points in C++
Subject : RE: accessing guide hairs control points in C++ 
From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf
Of Martin Barrette
Sent: 29-December-2005 20:58
To: XSI(at)Softimage.COM
Subject: RE: accessing guide hairs control points in C++
Primitive.Geometry.Points.PositionArray will return you only the points
position for the guide hairs.
=20
Cheers,
Martin
=20
________________________________

From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf
Of Mathieu Leclaire
Sent: Thursday, December 29, 2005 3:56 PM
To: XSI(at)Softimage.COM
Subject: accessing guide hairs control points in C++
Hi,
=20
I'm doing a custom operator and I need to access the guide hairs control
points positions. From what I can see from the C++ API, there's the
HairPrimitive from whom we can access the CRenderHairAccessor but that's
the information of all the rendered hairs. I have to loop through every
hair points to make proximity calculations. I just don't need to loop
through every hair, I just want to access the guide hairs to optimize
the process. But I can't find where to access only those. Can anyone
help me figure out how to access that information?
=20
Thanks
=20
Mathieu Leclaire
R&D Programmer
Hybride Technologies

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<DIV dir=3Dltr align=3Dleft><SPAN class=3D498202219-10012006><FONT =
face=3DArial=20
color=3D#0000ff size=3D2>HairPrimitive derives from =
Primitive</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D498202219-10012006><FONT =
face=3DArial=20
color=3D#0000ff size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D498202219-10012006><FONT =
face=3DArial=20
color=3D#0000ff size=3D2>Therefore you have access to all methods from=20
Primitive.</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D498202219-10012006><FONT =
face=3DArial=20
color=3D#0000ff size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D498202219-10012006><FONT =
face=3DArial=20
color=3D#0000ff size=3D2>CVector3Array=20
myHairPrim.GetGeometry().GetPoints().GetPositionArray()</FONT></SPAN></DI=
V>
<DIV>&nbsp;</DIV>
<DIV><SPAN class=3D498202219-10012006></SPAN><FONT face=3DArial><FONT=20
color=3D#0000ff><FONT size=3D2>H<SPAN class=3D498202219-10012006>ope =
this=20
helps.</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT><FONT color=3D#0000ff><FONT size=3D2><SPAN=20
class=3D498202219-10012006></SPAN></FONT></FONT></FONT><SPAN=20
class=3D498202219-10012006></SPAN><FONT face=3DArial><FONT =
color=3D#0000ff><FONT=20
size=3D2>M<SPAN=20
class=3D498202219-10012006>artin</SPAN></FONT></FONT></FONT><BR></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft>
<HR tabIndex=3D-1>
<FONT face=3DTahoma size=3D2><B>From:</B> owner-xsi(at)Softimage.COM=20
[mailto:owner-xsi(at)Softimage.COM] <B>On Behalf Of </B>Mathieu=20
Leclaire<BR><B>Sent:</B> Tuesday, January 10, 2006 2:11 PM<BR><B>To:</B> =

XSI(at)Softimage.COM<BR><B>Subject:</B> RE: accessing guide hairs control =
points in=20
C++<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=3DSection1>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">Yeah,=20
for scripting, that&#8217;s the way to go but I&#8217;m writing a C++ =
custom operator and I=20
need to access it in C++. Maybe I&#8217;m missing something but =
there&#8217;s no Geometry=20
property from a HairPrimitive in =
C++.<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt"><![if =
!supportEmptyParas]><![endif]>&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"TEXT-INDENT: 0.5in"><SPAN =
class=3DEmailStyle19><FONT=20
face=3DArial color=3D#993366 size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">InputPort=20
inPort(op.GetPort(L"Inhair",L"Group_1",0));<o:p></o:p></SPAN></FONT></SPA=
N></P>
<P class=3DMsoNormal style=3D"TEXT-INDENT: 0.5in"><SPAN =
class=3DEmailStyle19><FONT=20
face=3DArial color=3D#993366 size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">HairPrimitive=20
myHairPrim( inPort.GetValue() );<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt"><![if =
!supportEmptyParas]><![endif]>&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">From=20
there I can access all rendered hairs but not the guide=20
hairs:<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt"><![if =
!supportEmptyParas]><![endif]>&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"TEXT-INDENT: 0.5in"><SPAN =
class=3DEmailStyle19><FONT=20
face=3DArial color=3D#993366 size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">CRenderHairAccessor=20
rha =3D myHairPrim.GetRenderHairAccessor( 10000, 1000=20
);<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"TEXT-INDENT: 0.5in"><SPAN =
class=3DEmailStyle19><FONT=20
face=3DArial color=3D#993366 size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">&#8230;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt"><![if =
!supportEmptyParas]><![endif]>&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">But I=20
can&#8217;t figure out how to get only the guide hairs&#8230;=20
<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">Can=20
anyone help clarify how I can access =
those?<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt"><![if =
!supportEmptyParas]><![endif]>&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">Thanks!<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt"><![if =
!supportEmptyParas]><![endif]>&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt"><![if =
!supportEmptyParas]><![endif]>&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">Mathieu=20
Leclaire<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">R&amp;D=20
Programmer<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">Hybride=20
Technologies<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal><SPAN class=3DEmailStyle19><FONT face=3DArial =
color=3D#993366=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt"><![if =
!supportEmptyParas]><![endif]>&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DTahoma =
color=3Dblack=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: =
Tahoma">-----Original=20
Message-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">From:</SPAN></B>=20
owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM]<B><SPAN=20
style=3D"FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Andrew =
Skowronski<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, December 30, 2005 =
11:08=20
AM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B>=20
XSI(at)Softimage.COM<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Subject:</SPAN></B> RE:=20
accessing guide hairs control points in C++</SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
New Roman"=20
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt"><![if =
!supportEmptyParas]><![endif]>&nbsp;<o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
color=3Dblue=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial; =
mso-bidi-language: AR-SA">There=20
are a few tips here and I just added a few examples that I had thought =
made it=20
into the reference but which I can't find there!</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
New Roman"=20
color=3Dblack size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; COLOR: black; mso-bidi-language: =
AR-SA">&nbsp;</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
color=3Dblue=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial; =
mso-bidi-language: AR-SA"><A=20
href=3D"http://softimage.wiki.avid.com/index.php/Hair_%28XSISDK%29";>http:=
//softimage.wiki.avid.com/index.php/Hair_%28XSISDK%29</A></SPAN></FONT><F=
ONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
New Roman"=20
color=3Dblack size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; COLOR: black; mso-bidi-language: =
AR-SA">&nbsp;</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
color=3Dblue=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial; =
mso-bidi-language: AR-SA">However=20
it would be cool if someone could add some information about how to find =
the=20
base point for each guide hair, as mentioned by Kim =
below.</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
New Roman"=20
color=3Dblack size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; COLOR: black; mso-bidi-language: =
AR-SA">&nbsp;</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
color=3Dblue=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial; =
mso-bidi-language: AR-SA">-Andrew</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"MARGIN-BOTTOM: 12pt; MARGIN-LEFT: 1in; mso-margin-top-alt: =
auto"><FONT=20
face=3DTahoma color=3Dblack size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Tahoma; =
mso-bidi-language: AR-SA">-----Original=20
Message-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">From:</SPAN></B>=20
owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM]<B><SPAN=20
style=3D"FONT-WEIGHT: bold">On Behalf Of </SPAN></B>kim =
aldis<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Posted At:</SPAN></B> Thursday, December 29, =
2005 5:32=20
PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Posted To:</SPAN></B> =
xsi<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Conversation:</SPAN></B> accessing guide =
hairs control=20
points in C++<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Subject:</SPAN></B> RE:=20
accessing guide hairs control points in C++</SPAN></FONT><FONT =
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"MARGIN-LEFT: 1in; mso-margin-top-alt: auto; =
mso-margin-bottom-alt: auto"><FONT=20
face=3DArial color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial; =
mso-bidi-language: AR-SA">and=20
there's always 13 points to each guide and you have to do some tricksy =
stuff to=20
get the base point of each guide&nbsp;from the emitter geometry because =
it's not=20
in the hair prim.</SPAN></FONT><FONT color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"MARGIN-LEFT: 1in; mso-margin-top-alt: auto; =
mso-margin-bottom-alt: auto"><FONT=20
face=3D"Times New Roman" color=3Dblack size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; COLOR: black; mso-bidi-language: AR-SA"><![if =
!supportEmptyParas]><![endif]>&nbsp;</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<DIV=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0in; BORDER-LEFT: blue =
1.5pt solid; PADDING-TOP: 0in; BORDER-BOTTOM: medium none">
<DIV class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; TEXT-ALIGN: center; mso-margin-top-alt: auto; =
mso-margin-bottom-alt: auto; mso-border-left-alt: solid blue 1.5pt; =
mso-padding-alt: 0in 0in 0in 4.0pt"=20
align=3Dcenter><FONT face=3D"Times New Roman" color=3Dblack =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; COLOR: black; mso-bidi-language: AR-SA">
<HR align=3Dcenter width=3D"100%" SIZE=3D2>
</SPAN></FONT></DIV>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; MARGIN-BOTTOM: 12pt; PADDING-BOTTOM: =
0in; MARGIN-LEFT: 75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; =
BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; =
mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in 0in 0in =
4.0pt"><B><FONT=20
face=3DTahoma color=3Dblack size=3D2><SPAN=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: =
Tahoma; mso-bidi-language: AR-SA">From:</SPAN></FONT></B><FONT=20
face=3DTahoma color=3Dblack size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Tahoma; =
mso-bidi-language: AR-SA">=20
owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] <B><SPAN=20
style=3D"FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Martin =
Barrette<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> 29-December-2005 =
20:58<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">To:</SPAN></B> XSI(at)Softimage.COM<BR><B><SPAN =

style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: accessing guide =
hairs control=20
points in C++</SPAN></FONT><FONT color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; =
mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in 0in 0in =
4.0pt"><FONT=20
face=3D"Times New Roman" color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; mso-bidi-language: =
AR-SA">Primitive.Geometry.Points.PositionArray=20
will return you only the points position for the guide =
hairs.</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; =
mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in 0in 0in =
4.0pt"><FONT=20
face=3D"Times New Roman" color=3Dblack size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; COLOR: black; mso-bidi-language: =
AR-SA">&nbsp;</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; =
mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in 0in 0in =
4.0pt"><FONT=20
face=3D"Times New Roman" color=3Dblue size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: blue; mso-bidi-language: =
AR-SA">Cheers,<BR>Martin</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; =
mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in 0in 0in =
4.0pt"><FONT=20
face=3D"Times New Roman" color=3Dblack size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; COLOR: black; mso-bidi-language: AR-SA"><![if =
!supportEmptyParas]><![endif]>&nbsp;</SPAN></FONT><FONT=20
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<DIV class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; TEXT-ALIGN: center; mso-margin-top-alt: auto; =
mso-margin-bottom-alt: auto; mso-border-left-alt: solid blue 1.5pt; =
mso-padding-alt: 0in 0in 0in 4.0pt"=20
align=3Dcenter><FONT face=3D"Times New Roman" color=3Dblack =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; COLOR: black; mso-bidi-language: AR-SA">
<HR align=3Dcenter width=3D"100%" SIZE=3D2>
</SPAN></FONT></DIV>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; MARGIN-BOTTOM: 12pt; PADDING-BOTTOM: =
0in; MARGIN-LEFT: 75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; =
BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; =
mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in 0in 0in =
4.0pt"><B><FONT=20
face=3DTahoma color=3Dblack size=3D2><SPAN=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: =
Tahoma; mso-bidi-language: AR-SA">From:</SPAN></FONT></B><FONT=20
face=3DTahoma color=3Dblack size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Tahoma; =
mso-bidi-language: AR-SA">=20
owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] <B><SPAN=20
style=3D"FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Mathieu =
Leclaire<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, December 29, 2005 =
3:56=20
PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B>=20
XSI(at)Softimage.COM<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Subject:</SPAN></B>=20
accessing guide hairs control points in C++</SPAN></FONT><FONT =
color=3Dblack><SPAN=20
style=3D"COLOR: black; mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in =
0in 0in 4.0pt"><FONT=20
face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial; =
mso-bidi-language: AR-SA">Hi,</SPAN></FONT><FONT=20
face=3DArial color=3Dblack size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; =
mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in =
0in 0in 4.0pt"><FONT=20
face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial; =
mso-bidi-language: AR-SA">&nbsp;</SPAN></FONT><FONT=20
face=3DArial color=3Dblack size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; =
mso-bidi-language: AR-SA; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in =
0in 0in 4.0pt"><FONT=20
face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial; =
mso-bidi-font-size: 12.0pt; mso-bidi-language: AR-SA">I&#8217;m=20
doing a custom operator and I need to access the guide hairs control =
points=20
positions. From what I can see from the C++ </SPAN></FONT><FONT =
face=3DArial=20
color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial; =
mso-bidi-font-size: 12.0pt">API</SPAN></FONT><FONT=20
face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial; =
mso-bidi-font-size: 12.0pt; mso-bidi-language: AR-SA">,=20
there&#8217;s the </SPAN></FONT><FONT face=3DArial color=3Dnavy =
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial; =
mso-bidi-font-size: 12.0pt"><A=20
href=3D"classXSI_1_1HairPrimitive.html#a0"><FONT color=3Dnavy><SPAN=20
style=3D"COLOR: navy">HairPrimitive</SPAN></FONT></A> from whom we can =
access the=20
<A href=3D"classXSI_1_1CRenderHairAccessor.html"><FONT =
color=3Dnavy><SPAN=20
style=3D"COLOR: navy">CRenderHairAccessor</SPAN></FONT></A> but =
that&#8217;s the=20
information of all the rendered hairs. I have to loop through every hair =
points=20
to make proximity calculations. I just don&#8217;t need to loop through =
every hair, I=20
just want to access the guide hairs to optimize the process. But I =
can&#8217;t find=20
where to access only those. Can anyone help me figure out how to access =
that=20
information?</SPAN></FONT><FONT face=3DArial color=3Dblack =
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; =
mso-bidi-font-size: 12.0pt; mso-color-alt: =
windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in =
0in 0in 4.0pt"><SPAN=20
class=3DEmailStyle18><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in =
0in 0in 4.0pt"><SPAN=20
class=3DEmailStyle18><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">Thanks<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in =
0in 0in 4.0pt"><SPAN=20
class=3DEmailStyle18><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">&nbsp;<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in =
0in 0in 4.0pt"><SPAN=20
class=3DEmailStyle18><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">Mathieu=20
Leclaire<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in =
0in 0in 4.0pt"><SPAN=20
class=3DEmailStyle18><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">R&amp;D=20
Programmer<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: =
75.75pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: =
medium none; mso-border-left-alt: solid blue 1.5pt; mso-padding-alt: 0in =
0in 0in 4.0pt"><SPAN=20
class=3DEmailStyle18><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: =
12.0pt">Hybride=20
Technologies<o:p></o:p></SPAN></FONT></SPAN></P></DIV></DIV></BODY></HTML=
>

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