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Data Import & Export Approaches with Converters for Raster Data - Teem & SCIRun

Learn about three methods to import/export data using converters, mesh and data separately, and Teem for all your raster data needs. SCIRun converters allow conversion between human-readable text files and SCIRun objects. Find examples in SCIRunData/convert-examples/. Benefit from plug-ins for Teem and utilize MatlabInterface for .mat file conversions.

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Data Import & Export Approaches with Converters for Raster Data - Teem & SCIRun

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  1. Data Import / Export

  2. Three Approaches • Converters • Mesh and Data separately • Teem • For all your raster data needs • MatlabInterface • .mat files <-> SCIRun

  3. Converters • Convert between human-editable text (e.g. CVRTI .pts, .dat files) and SCIRun Persistent objects • See examples in SCIRunData/convert-examples/ • Each converter gives you usage info if invoked without arguments: • dmw stitch% TextToHexVolField • Usage: TextToHexVolField pts hexes HexVolMesh [-noPtsCount] [-noElementsCount] [-oneBasedIndexing] [-binOutput] [debug] • This program will read in a .pts (specifying the x/y/z coords of each point, one per line, entries separated by • white space, file can have an optional one line header specifying number of points... and if it doesn't, you have • to use the -noPtsCount command-line argument) and a .hex file (specifying i/j/k/l/m/n/o/p indices for each hex, also • one per line, again with an optional one line header (use -noElementsCount if it's not there). The hex entries are • assumed to be zero-based, unless you specify -oneBasedIndexing. And the SCIRun output file is written • in ASCII, unless you specify -binOutput. • Soon, plug-ins for Readers / Writers

  4. Teem • Make sure “unu” is in your path (it’s in /some/path/Thirdparty/…./bin/) • For import: • unu make -h -i <input> -s <nx ny nz> … • NrrdReader module • For export • NrrdWriter • unu data

  5. MatlabInterface

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