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<title>Problems with vtkCanvas and vtkRenderingJava.dll</title>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>David,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span>Have
you compiled <span class=SpellE>vtkPanel.java</span> with –d <span
class=GramE>option.</span> If not try as given below<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>javac</span></span> –d . <span
class=SpellE>vtkPanel.java</span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span>This
will create the directory “<span class=SpellE>vtk</span>” in the
present directory. Under <span class=SpellE>vtk</span> directory you will have <span
class=SpellE>vtkPanel.class</span>. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span>Now
add the complete directory to <span class=SpellE>vtk.jar</span> as<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span><span
class=GramE>jar</span> –<span class=SpellE>uvf</span> <span class=SpellE>vtk.jar</span>
<span class=SpellE>vtk</span> <span style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span>/<span
class=SpellE>vtk</span> is the directory I mentioned above<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span>This
should take care of your issue #3.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span>It
looks like jawt.dll is not in the system path. <span class=GramE>jawt.dll</span>
can be found at<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span><JAVA_INSTALL_DIR>/<span
class=SpellE>jre</span>/bin<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span style='mso-tab-count:1'> </span><span
class=GramE>append</span> this path to your system path and should be ready to
run your <span class=SpellE>vtk</span> programs.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>--Shyam<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> </span></font><st1:PersonName><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>vtkusers</span></font></st1:PersonName><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>-admin@vtk.org
[mailto:</span></font><st1:PersonName><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>vtkusers</span></font></st1:PersonName><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>-admin@vtk.org]
<b><span style='font-weight:bold'>On Behalf Of </span></b>MacKinnon, David<br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><st1:date
Month="11" Day="6" Year="2003"><font size=2 face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma'>Thursday, November 06, 2003</span></font></st1:date><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> </span></font><st1:time
Hour="23" Minute="47"><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>11:47 PM</span></font></st1:time><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'><br>
<b><span style='font-weight:bold'>To:</span></b> '</span></font><st1:PersonName><st1:PersonName><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>vtkusers</span></font></st1:PersonName><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>@vtk.org</span></font></st1:PersonName><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>'<br>
<b><span style='font-weight:bold'>Subject:</span></b> [</span></font><st1:PersonName><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>vtkusers</span></font></st1:PersonName><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>] Problems
with vtkCanvas and vtkRenderingJava.dll</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>Hello all,</span></font> <o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>I am currently evaluating use of VTK in a research
group but have encountered a problem running any VTK code under Java 1.4.
First, I have only installed the Windows binaries on my Window 2000 workstation
and have not yet attemped rebuilding them from source code. The following steps
were completed:</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>1) Added vtk.jar to the CLASSPATH and vtk/bin to the
search path.</span></font> <o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>2) Added vtkPanel, vtkSettings and vtkTesting to the
vtk.jar. These were obtained from the repository for VTK4.23.</span></font> <o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>3) Attempted to compile vtkCanvas so that I could add
it to the jar file but received the following compile error:</span></font> <o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>C:\temp\VTKTest\src\vtkCanvas.java:7: cannot resolve
symbol</span></font> <br>
<font size=2><span style='font-size:10.0pt'>symbol : class vtkPanel</span></font>
<br>
<font size=2><span style='font-size:10.0pt'>location: class vtk.vtkCanvas</span></font>
<br>
<font size=2><span style='font-size:10.0pt'>public class vtkCanvas extends
vtkPanel implements MouseListener, MouseMotionListener, KeyListener</span></font>
<o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>3) Undaunted, I proceeded to compile sucessfully the
SimpleVTK program, but when I attempted to run it I received the following
run-time error:</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>Exception in thread "main" java.lang.UnsatisfiedLinkError:
C:\Program Files\vtk4</span></font> <br>
<font size=2><span style='font-size:10.0pt'>2\bin\vtkRenderingJava.dll: Can't
find dependent libraries</span></font> <br>
<font size=2><span style='font-size:10.0pt'>
at java.lang.ClassLoader$NativeLibrary.load(Native Method)</span></font> <br>
<font size=2><span style='font-size:10.0pt'>
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1473)</span></font> <br>
<font size=2><span style='font-size:10.0pt'>
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1397)</span></font> <br>
<font size=2><span style='font-size:10.0pt'>
at java.lang.Runtime.loadLibrary0(Runtime.java:788)</span></font> <br>
<font size=2><span style='font-size:10.0pt'>
at java.lang.System.loadLibrary(System.java:832)</span></font> <br>
<font size=2><span style='font-size:10.0pt'>
at vtkPanel.<clinit>(vtkPanel.java:27)</span></font> <br>
<font size=2><span style='font-size:10.0pt'>
at SimpleVTK.<init>(SimpleVTK.java:19)</span></font> <br>
<font size=2><span style='font-size:10.0pt'>
at SimpleVTK.main(SimpleVTK.java:49)</span></font> <o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>This error is listed in the archives but have found no
indication of how to fix it.</span></font> <o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>Suggestions what to try next? Do I have to download
the VTK source and rebuild it?</span></font> <o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>David MacKinnon</span></font> <br>
<font size=2><span style='font-size:10.0pt'>PhD Student, Department of Systems
and Computer Engineering</span></font> <br>
<font size=2><span style='font-size:10.0pt'>Carleton University, Ottawa, Canada</span></font>
<o:p></o:p></p>
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