[vtkusers] Re: Re: [vtkusers] problem of using vtkPLYReader

[shuang]

Hi,

I installed the office release of VTK: VTK 4.2

I did try "vtkPLYReader *r = new vtkPLYReader;",but the make error message said that vtkPLYReader is protected.

Shuang


> Shuang,
> 	Ok thanks for providing these infos, anyway I still need to know the 
> exact version of VTK. And do you use a build or installed version ?
> I am using VTK from a fresh CVS and everything went smoothly.
> 
> 	To know the exact version you could just do:
> 
> grep VERSION VTK/CMakeLists.txt
> 
> ---
> 	as a try, you could try replacing:
> 
> vtkPLYReader *r=vtkPLYReader::New();
> by
> vtkPLYReader *r= new vtkPLYReader;
> 
> just to see if it works. (I know this is bad for parsing).
> 
> ---
> Also if you have built the python/tcl binding you can try:
> $python
>  > import vtk
>  > r = vtk.vtkPLYReader()
> 
> 
> thanks,
> mathieu
> 
> shuang wrote:
> > Dear all:
> > 
> > I'm a newcomer of VTK.I have problem of using vtkPLYReader.
> > I write a program to read and view the PLY model,but there is something wrong with vtkPLYReader.when I make the project,there is a make error:
> > 
> >     undefined reference to 'vtkPLYReader::New()'
> >  
> >  I installed VTK 4 correctly under Redhat8.0;
> >  I can complie and run the examples of VTK;
> >  I use cmake generate the makefile;
> > 
> >  My code with vtkPLYReader is as follow:
> >  
> >  ...
> >  #include "vtkPLYReader.h"
> >  ...
> >  int main( int argc, char *argv[] )
> >  {
> >  ...
> >  vtkPLYReader *r=vtkPLYReader::New();
> >  ...
> >  }
> >  
> >  I can get the .o correctly.
> > 
> >  if I just define the pointer and dont allocate memory as follow:
> >    
> >   vtkPLYReader *r;
> > 
> > and use other method of vtkPLYReader such as SetFileName(),there is no error message when I build it.  
> > 
> >   Can you tell me the reason and how to solve it?
> >  
> >  Thanks in advance!
> >  
> >  Shuang
> > 
> > 
> > 
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> 
> -- 
> Mathieu Malaterre
> CREATIS
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