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Using map3d

Using map3d. “Looking at my data has never been so much fun!”. Goals of map3d. Read Surface based geometries Multichannel time signals Render Color coded maps of scalars Plots of time signals Provide Interactive control Interrogation of data Presentation graphics output.

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Using map3d

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  1. Using map3d “Looking at my data has never been so much fun!”

  2. Goals of map3d • Read • Surface based geometries • Multichannel time signals • Render • Color coded maps of scalars • Plots of time signals • Provide • Interactive control • Interrogation of data • Presentation graphics output

  3. Map3d Rendering Nodes and mesh

  4. Map3d Rendering Nodes and mesh Lighted surface

  5. Map3d Rendering Nodes and mesh Lighted surface Data Gouraud

  6. Map3d Rendering Nodes and mesh Lighted surface Data Gouraud Data B-shaded

  7. Map3d Rendering Nodes and mesh Lighted surface Data Gouraud Data B-shaded Time signals

  8. Map3d Rendering Nodes and mesh Lighted surface Data Gouraud Data B-shaded Time signals Landmarks

  9. Command Line Control map3d -f daltorso.fac

  10. More Command Line map3d -f daltorso.fac -p p2_3200_77_torso.data

  11. Still More…. map3d -nw \ -f daltorso.fac -p p2_3200_77_torso.data \ -f dalepi.fac -p p2_3200_77_epi.data

  12. All the options Map3D Version 5.3 USAGE: map3d [FILENAME] map3d [OPTIONS] FILENAME: the name of a file containing geometry and/or data. OPTIONS: global: -v (echo the version number) -c colour (default colour for all meshes) -df filename (for default settings file) -if filename (to set output image basefilename) -iv (initialize video equipment) -rl level (set report level) -vm (for video mode) -vw xmin ymin (location of video window -nw (for new window for each surface) -ss (to have all surfaces with same geometry scale) -nv (to *not* check validity of geometry)

  13. …the rest of all per surface: -f geomfilename -gp geomfilepath (pathname to the geometry files) -c colour (for mesh) -cg colour (for vectors) -ac (leave geometry in absolute coordinates) -as xmin xmax ymin ymax (to set surface window location) -ds (make this the dominant surface) -lm landmarkfile (to read landmark file (eg. coronaries) -ll leadlinks_filename (links electrode numbers to leads) -ch channels_filename (links nodes to channels in data) -cl channellinks_flename (links channels to leadlinks) -p pot/grad-filename (basefilename) -ff fidfilename (.fid file to be read) -fn fidseriesnum (number of the fid series to take) -dp datafilepath (pathname to the pak-data files) -s num1 num2 (first and last file numbers) -i increment (increment between file numbers) -ps scaleval (scale value applied to all data) -pl minimum_data_value (user set potential minimum) -ph maximum_data_value (user set potential maximum) -cs scale_step_size (user set contour spacing) -sl surfnum (to lock scaling to another surface) -t trace_lead_number (for scalar plot) -at xmin xmax ymin ymax (to set scalar window location)

  14. Interactive Controls • Mouse • Rotation, translation, scaling • Menu manipulation • Picking • Keyboard • Toggle settings • Select options • GUI • There is none, well not really… (yet)

  15. I/O and File Reading • Input • CVRTI ASCII formats • .pts, .fac, .pot, .channels, .tetra, .leadlinks, .lmarks • CVRTI graphicsio formats • .geom, .tsdf, .data, .tsdfc • Output • Same as input for geometry • Image formats (.png so far)

  16. Scripting map3d MAP3D=../map3d GEOM=../geom/tank DATA=../data/tank $MAP3D -nw -f ${GEOM}/25feb97_sock.fac \ -p ${DATA}/cool1-atdr_new.data@1 -s 1 1000 \ -ch ${GEOM}/sock128.channels \ -lm ${GEOM}/25feb97_sock.lmarks \ -f ${GEOM}/25feb97_sock_closed.geom \ -p ${DATA}/cool1-atdr_new.data@2 -s 1 1000\ -ch ${GEOM}/sock128.channels \ -lm ${GEOM}/25feb97_sock.lmarks Surface 1 Surface 2

  17. Resulting Display Surface 1 Surface 2

  18. What’s Next • GUI • Windowing data • Changing command line parameters • File readers • CVRTI hierarchical files • Matlab .mat files • Layered rendering • Mix scalar data of different types • Image output • Frames and sequences • Vector based formats (e.g., postscript)

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