grabbed frames from a standard youtube color video via ffmpeg
used something like $ ./imageSeriesToVolume -sz 1.0 -o test.vtk -i
input*.jpeg
loaded test.vtk in paraview 5.0.1 and also paraview 5.4.1
on information tab i see: scalars unsigned char [33,239]
"Map Scalars" on or off I get no RGB colored voxels, of course, because there
is only one datum of type unsigned char.
Where are the other two scalars?!?
The important part you will ask me is here:
91 io->SetFileName (filenames[0].c_str());
92 io->ReadImageInformation();
93
94 if (io->GetNumberOfDimensions()==2) {
95
96 typedef itk::Image<unsigned char, 3> ImageType;
97 typedef itk::ImageSeriesReader<ImageType> SeriesReaderType;
98
99
100 SeriesReaderType::Pointer reader = SeriesReaderType::New();
101 std::cout << "Adding:\n";
102 for (unsigned int i=0; i<filenames.size(); i++)
103 {
104 std::cout << filenames[i] << std::endl;
105 reader->AddFileName ( filenames[i].c_str() );
106 }
107
Looks pretty standard, but no 3 scalar datums for an RGB voxel for
non-false-colored volume.
It is perported to work, and all other examples i see are none different from
the code i used to generate a .vtk file.
I cannot use IsoVolume If I load the jpegs directly in paraview, but I can get
RGB color voxels.
The GOAL is to use IsoVolume on a volume of RGB points from frames from a video
sequence.
I have tried on and off for MANY YEARS to figure this out... (its for an art
project, metalcasting &3d Printing)
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