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<TITLE>vtkImageData from pixel data</TITLE>
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<P><FONT SIZE=2 FACE="Arial">Hello vtkUsers,</FONT>
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<P><FONT SIZE=2 FACE="Arial">We are trying to obtain the vtkImageData from the byte* (24bit pixel data). When we create a bmp file we get crash in writing a BMPFile in the method "</FONT><FONT COLOR="#0000FF" SIZE=2 FACE="Courier New">void</FONT><FONT SIZE=2 FACE="Courier New"> vtkBMPWriter::WriteFile(ofstream *file, vtkImageData *data,</FONT><FONT COLOR="#0000FF" SIZE=2 FACE="Courier New">int</FONT><FONT SIZE=2 FACE="Courier New"> extent[6]) "</FONT> </P>
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<P><FONT SIZE=2 FACE="Arial">kindly tell us what is wrong with this code, And we want to know what are the header parameters to be set for the vtkImageData.</FONT></P>
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<P><FONT COLOR="#0000FF" SIZE=2 FACE="Courier New">void</FONT><FONT SIZE=2 FACE="Courier New"> CMainFrame::ImageData(byte* src)</FONT>
<BR><FONT SIZE=2 FACE="Courier New">{</FONT>
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<P> <FONT SIZE=2 FACE="Courier New">vtkImageData *outData = vtkImageData::New();</FONT>
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<P> <FONT SIZE=2 FACE="Courier New">byte arry[320*240*3];</FONT>
<BR> <FONT SIZE=2 FACE="Courier New">memcpy(arry,src,320*240*3);</FONT>
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<P> <FONT SIZE=2 FACE="Courier New">vtkImageImport *import = vtkImageImport::New();</FONT>
<BR> <FONT SIZE=2 FACE="Courier New">import->SetDataExtent(0,319,0,239,0,0);</FONT>
<BR> <FONT SIZE=2 FACE="Courier New">import->SetWholeExtent(0,319,0,239,0,0);</FONT>
<BR> <FONT SIZE=2 FACE="Courier New">import->SetDataScalarType(VTK_UNSIGNED_CHAR);</FONT>
<BR> <FONT SIZE=2 FACE="Courier New">import->SetImportVoidPointer((</FONT><FONT COLOR="#0000FF" SIZE=2 FACE="Courier New">void</FONT><FONT SIZE=2 FACE="Courier New">*)src);</FONT>
<BR> <FONT SIZE=2 FACE="Courier New">import->UpdateWholeExtent();</FONT>
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<P> <FONT SIZE=2 FACE="Courier New">outData = import->GetOutput();</FONT>
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<P> <FONT SIZE=2 FACE="Courier New">outData->SetNumberOfScalarComponents( 1 );</FONT>
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<P> <FONT COLOR="#0000FF" SIZE=2 FACE="Courier New">int</FONT><FONT SIZE=2 FACE="Courier New"> iNo = outData->GetNumberOfScalarComponents();</FONT>
<BR> <FONT SIZE=2 FACE="Courier New">WriteBMP(outData);</FONT>
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<BR> <FONT COLOR="#0000FF" SIZE=2 FACE="Courier New">return</FONT><FONT SIZE=2 FACE="Courier New">;</FONT>
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<P><FONT SIZE=2 FACE="Courier New">}</FONT>
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<P><FONT COLOR="#0000FF" SIZE=2 FACE="Courier New">void</FONT><FONT SIZE=2 FACE="Courier New"> Definitions::WriteBMP(vtkImageData *source)</FONT>
<BR><FONT SIZE=2 FACE="Courier New">{</FONT>
<BR> <FONT SIZE=2 FACE="Courier New">vtkBMPWriter write =vtkBMPWriter::New();</FONT>
<BR> <FONT SIZE=2 FACE="Courier New"> write->SetFilePrefix("C:/tested/tested");</FONT>
<BR><FONT SIZE=2 FACE="Courier New"> write->SetFilePattern("%s%d.bmp");</FONT>
<BR> <FONT SIZE=2 FACE="Courier New"> write->SetInput(source);</FONT>
<BR> <FONT SIZE=2 FACE="Courier New"> write->Write();</FONT>
<BR><FONT SIZE=2 FACE="Courier New">}</FONT>
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<P><FONT SIZE=2 FACE="Courier New">regards</FONT>
<BR><FONT SIZE=2 FACE="Courier New">SoftUsers</FONT>
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