[vtkusers] What's wrong with my codes? (convert image to BMP)

[vince xu]

I want to convert the files 
quarter.1 --> quarter.1.bmp
quarter.2 --> quarter.2.bmp
quarter.3 --> quarter.3.bmp
......
and so on.(files quarter.1 quarter.2......are available in 
VtkData\data\headsq which was unzipped from VTKDATA.zip)

Here is my code:

#include "vtkImageReader.h"
#include "vtkimagewriter.h"
#include "vtkbmpwriter.h"
void main()
{
	vtkImageReader *reader;
	vtkBMPWriter *writer;

	char fname[100];
	strcpy( fname,"Data/headsq/quarter" );

	reader = vtkImageReader::New();
	reader->SetDataByteOrderToBigEndian();
	reader->SetDataExtent(0, 63, 0, 63, 1, 93);
	reader->SetFilePrefix(fname);
	reader->SetFilePattern("%s.%d");
	reader->SetDataSpacing(3.2, 3.2, 1.5);
//	reader->SetDataScalarTypeToUnsignedChar();

	writer = vtkBMPWriter::New();
	writer->SetFilePrefix(fname);
	writer->SetFilePattern("%s.%d.BMP");

	writer->SetInput(reader->GetOutput());
	writer->Write();

	reader->Delete();
	writer->Delete();
}

The program was compiled and linked sucsessfully.
But When it runs,it says that BMPwriter only accepts unsigned char.
If I delete the "//" in the program,then I can get BMP files.
But the files are blurred.

Whats wrong with my codes? How could I get clear files?
(Images stored in quarter.* are clear)


Best Regards,
Vince



_________________________________________________________________
与联机的朋友进行交流，请使用 MSN Messenger:  http://messenger.msn.com/cn