points transformation by script commands

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points transformation by script commands

points transformation by script commands

2004-04-08 - By Raffaele "ThE_JacO" Fragapane

Back

Reply: 1 2 3 4 5 6 7 8 9 10

You want to get the selection, the object the selection is on and then get
the activeprimitive.geometry of it.

>From that you can get the points.positionarray, manipulate the array, and
then store the manipulated array back in the positionarray.

Should be said tho that you can only manipulate the positionarray in a
script if the object is frozen, if you need to keep the operators you’ll
have to write a scop to do the same job, with the undertow that SCOPs
manipulating partial selections of points need a cluster to relate to those
points (or the pointIDs hardcoded in a loop).

Here’s an example

set oRoot = application.activeproject.activescene.root

set oSelection = Application.Selection

set oPoints=oSelection(0)

if oPoints.Type = "pntSubComponent" Then

set oObj = oRoot.FindChild(oPoints.Name)

set oGeom = oObj.ActivePrimitive.Geometry

ArrPoints = oPoints.SubElements

aPositions = oGeom.Points.PositionArray

aIndices = oPoints.SubElements

for i = LBound( aIndices, 1 ) to UBound( aIndices, 1 )

ii = aIndices(i)

aPositions(0,ii) = aPositions(0,ii) +1

aPositions(1,ii) = aPositions(1,ii) +1

aPositions(2,ii) = aPositions(2,ii) +1

next

oGeom.Points.PositionArray = aPositions

end if

select points on a frozen object and run it, it will shift every point by
1,1,1

-~== Raffaele Fragapane ==~-
-~== Freelance Technical Animator & TD ==~-
-~== Senior Technical Animator @ Peerless Camera ==~-

- Currently London Based
- +44 798 4955734

__ __

From: owner-xsi@(protected) [mailto:owner-xsi@(protected)] On Behalf Of
Patrick Vier
Sent: Thursday, April 08, 2004 2:15 PM
To: Softimage - XSI list
Subject: points transformation by script commands

Hi all,

I select points on an object by tagging an d i need to GET (SRT info) and
SET to a new positions (SRT) on each points by script, of course.

Have you an suggestion ??
Thanks.

Patrick
*********

Patrick Vier
HYPERLINK "http://www.post-logic.com"Post Logic
tel 33 (0)1 46 37 77 61
fax 33 (0)1 46 37 55 51
email HYPERLINK "mailto:patrick@(protected)"patrick@(protected)

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<div class=Section1>

You want to get the selection, the object
the selection is on and then get the activeprimitive.geometry of it.<o:p></o:p>


From that you can get the
points.positionarray, manipulate the array, and then store the manipulated
array back in the positionarray.<o:p></o:p>

<o:p> </o:p>

Should be said tho that you can only
manipulate the positionarray in a script if the object is frozen, if you need
to keep the operators you’ll have to write a scop to do the same job,
with the undertow that SCOPs manipulating partial selections of points need a
cluster to relate to those points (or the pointIDs hardcoded in a loop).<o:p><
/o:p>

<o:p> </o:p>

Here’s an example<o:p></o:p>

<o:p> </o:p>

set oRoot =
application.activeproject.activescene.root<o:p></o:p>

set oSelection = Application.Selection<o:p
></o:p>

set oPoints=oSelection(0)<o:p></o:p>

<o:p> </o:p>

if oPoints.Type =
"pntSubComponent" Then<o:p></o:p>

<o:p> </o:p>

       
     set
oObj = oRoot.FindChild(oPoints.Name)       
   <o:p></o:p>

       
     set
oGeom = oObj.ActivePrimitive.Geometry<o:p></o:p>

       
     ArrPoints
= oPoints.SubElements<o:p></o:p>

       
     aPositions
= oGeom.Points.PositionArray<o:p></o:p>

       
     aIndices
= oPoints.SubElements<o:p></o:p>

       
     <o:p></o:p>

       
     for
i = LBound( aIndices, 1 ) to UBound( aIndices, 1 )<o:p></o:p>

       
             
    ii
= aIndices(i) <o:p></o:p>

       
             
    <o:p></o:p>

       
             
    aPositions(0,ii)
= aPositions(0,ii) +1<o:p></o:p>

       
             
    aPositions(1,ii)
= aPositions(1,ii) +1<o:p></o:p>

       
             
    aPositions(2,ii)
= aPositions(2,ii) +1<o:p></o:p>

       
     next<o:p></o:p>

       
     <o:p></o:p>

       
     oGeom.Points.PositionArray
= aPositions<o:p></o:p>

<o:p> </o:p>

end if<o:p></o:p>

<o:p> </o:p>

select points on a frozen object and run
it, it will shift every point by 1,1,1<o:p></o:p>

<o:p> </o:p>

<div>

          
         
-~== Raffaele Fragapane ==~- 
 
      
-~== Freelance Technical Animator & TD ==~- 
-~==
Senior Technical Animator @ Peerless Camera ==~- <o:p></o:p>

- Currently London Based 
-
+44 798 4955734 <o:p></o:p>

</div>

<div>

<div class=MsoNormal align=center style='margin-left:36.0pt;text-align:center'>


<hr size=2 width="100%" align=center tabindex=-1>

</div>

From:

owner-xsi@(protected) [mailto:owner-xsi@(protected)] On Behalf Of Patrick Vier 
Sent: Thursday, April 08, 2004
2:15 PM 
To: Softimage - XSI list 
Subject: points transformation by
script commands
<o:p></o:p>

</div>

<o:p> </o:p>

<table class=MsoNormalTable border=0 cellpadding=0 width=706 style='width:529
.5pt;
margin-left:36.0pt'>
<tr>
<td valign=top style='padding:.75pt .75pt .75pt .75pt'>
Hi all,<o:p></o:p>
I select points on an object by tagging an d i need to GET
(SRT info) and SET to a new positions (SRT) on each points by
script, of course.<o:p></o:p>
Have you an suggestion ?? 
Thanks.<o:p></o:p>
Patrick 
*********<o:p></o:p>
</td>
</tr>
<tr height=6 style='height:4.5pt'>
<td height=6 style='padding:.75pt .75pt .75pt .75pt;height:4.5pt'>
<img width=700
height=1 id="_x0000_i1025" src="cid:image001.gif@(protected)"><o:p></o
:p>
</td>
</tr>
<tr height=76 style='height:57.0pt'>
<td height=76 style='padding:.75pt .75pt .75pt .75pt;height:57.0pt'>
Patrick Vier 
<a href="http://www.post-logic.com">Post
Logic</a> 
tel <img border=0 width=13 height=13 id="_x0000_i1026"
src="cid:image002.gif@(protected)">33 (0)1 46 37 77 61 
fax <img border=0 width=13 height=13 id="_x0000_i1027"
src="cid:image002.gif@(protected)">33 (0)1 46 37 55 51
 
email <img
border=0 width=13 height=13 id="_x0000_i1028"
src="cid:image002.gif@(protected)"><a href="mailto:patrick@(protected)"
>patrick@(protected)</a> <o:p></o:p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
 
<o:p></o:p>
</td>
</tr>
</table>

<o:p>
 </o:p>

</div>

</body>

</html>
 

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