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<DIV>Hi All</DIV>
<DIV> </DIV>
<DIV>Thanks for yours help, I am inspired by yours idea.</DIV>
<DIV><SPAN id=result_box lang=en><SPAN>I</SPAN> <SPAN class=hps>have some</SPAN>
<SPAN class=hps>preliminary</SPAN> <SPAN class=hps>thoughts</SPAN> <SPAN
class=hps>based</SPAN> <SPAN class=hps>on</SPAN> <SPAN class=hps>your
recommendations. </SPAN></SPAN>I hope your can give me more good ideas.
Thanks</DIV>
<DIV> </DIV>
<DIV>Before explanation My demands:</DIV>
<DIV>I want Insert on a vtkImageActor(e.g:a Jpeg Reader's actor),When I
pick,<SPAN>ZoomIn,ZoomOut and pan,they(vtkImageActor and Insert's Texture) can
be responsed.</SPAN></DIV>
<DIV><SPAN></SPAN> </DIV>
<DIV><SPAN>My thinking Solve's Way:</SPAN></DIV>
<DIV><SPAN>1. <SPAN style="FONT-WEIGHT: bold">Use vtkTextWitgets: </SPAN>The
Class can chang size and move,But it is a 2D-Object(vtkTextActor 's subClass),
it can't be response to <SPAN>ZoomIn,ZoomOut and pan ,So I want create
a callback for mouseWheel Event By interactorStyle.Is this way
feasible?</SPAN></SPAN></DIV>
<DIV><SPAN><SPAN>2. <SPAN
style="FONT-WEIGHT: bold">According to Dave recommendations to use
<SPAN><SPAN style="FONT-WEIGHT: bold">vtkTextActor3D:</SPAN></SPAN><SPAN
style="FONT-WEIGHT: normal">I used it before,but it seems to be a
experimental Class.</SPAN><SPAN style="FONT-WEIGHT: normal" id=result_box
lang=en class=short_text><SPAN style="FONT-WEIGHT: normal">What questions
do</SPAN> <SPAN style="FONT-WEIGHT: normal" class=hps>use</SPAN></SPAN><SPAN
style="FONT-WEIGHT: normal">?</SPAN></SPAN></SPAN></SPAN></DIV>
<DIV><SPAN><SPAN><SPAN><SPAN id=result_box lang=en class=short_text><SPAN>Can it
respond to</SPAN></SPAN> pick,<SPAN>ZoomIn,ZoomOut and pan? I tried it ,it seem
can't be picked(I use vtkCellPicker).</SPAN></SPAN></SPAN></SPAN></DIV>
<DIV><SPAN><SPAN><SPAN><SPAN></SPAN></SPAN></SPAN></SPAN> </DIV>
<DIV><SPAN><SPAN><SPAN><SPAN><SPAN id=result_box lang=en><SPAN>I wonder if
you</SPAN> <SPAN class=hps>have any good suggestions</SPAN><SPAN>,</SPAN> <SPAN
class=hps>give me some</SPAN> <SPAN
class=hps>inspiration</SPAN><SPAN>.</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></DIV>
<DIV><SPAN><SPAN><SPAN><SPAN>I wish yours good
idea.</SPAN></SPAN></SPAN></SPAN></DIV>
<DIV><SPAN><SPAN><SPAN><SPAN></SPAN></SPAN></SPAN></SPAN> </DIV>
<DIV><SPAN><SPAN><SPAN><SPAN>Thanks again.</SPAN></SPAN></SPAN></SPAN></DIV>
<DIV> </DIV>
<DIV> </DIV>
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<DIV><B>From:</B> <a href="/user/SendEmail.jtp?type=node&node=5717479&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a></DIV>
<DIV><B>Date:</B> 2012-12-06 15:58</DIV>
<DIV><B>To:</B> <a href="/user/SendEmail.jtp?type=node&node=5717479&i=1" target="_top" rel="nofollow" link="external">[hidden email]</a></DIV>
<DIV><B>Subject:</B> Re: Re:Re: The vtkVectorText's
Problem</DIV></DIV></DIV>
<DIV>
<DIV class=FoxDiv20121207180036359617>Hello again, <BR><BR>sorry to hear, and
this is a difficult topic. <BR>Whenever someone asks about the vtkVectorText
there are rarely answers on the mailing list and I believe not very many
programmers are using the vtkVectorText class. <BR>This might be due the fact
that they simply display the textual information on the rest of the gui and not
within the 3d/widget/windows itself. <BR><BR>The only way I could imagine you
can get this 3d results would be using the vector text but supplying the glyphs
yourself. <BR>This will require alot of effort, since you would need to use a
3rd Party libary to generate the glyphs/points/vectors on the fly ( e.g. <A
href="http://www.njph.f2s.com/dxfontutils/" rel="nofollow" target=_top link="external">http://www.njph.f2s.com/dxfontutils/</A> ). <BR>This is
really brute force and depending on how often you change the look of the font
itself very slow. <BR><BR>I am too very interested on how vtk volks display the
kind of text you require for your program. <BR>Because the given class is very
limited (it only supports ascii codes from 31 to 126 in default ;-) )
<BR><BR>Best regards <BR>Adrian <BR><BR>
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