wiki:visit-tutorial

Version 3 (modified by leon, 6 years ago) (diff)

Slice Isosurfaces

VisIt tutorial for SoHPC@EPCC

Prepare PATH environment by typing:

export PATH=/opt/visit-2.6.2/bin:${PATH}

Contours of a scalar variable

Contours of a scalar variable

  1. Open VisIt and noise.silo with a single command or use File -> Open
    visit -o /opt/visit-2.6.2/data/noise.silo
    
  2. Type Ctrl+I to display info about the data opened and then close the window
  3. Click Add -> Contour -> hardyglobal
  4. Click Draw
  5. Double click on Contour (or Right-click ->Edit plot description)
  6. Under select by choose ->N Levels enter 5
  7. Change the opacity levels
  8. Click Apply
  9. Click Dismiss
  10. Click Delete

Pseudocolor and Isosurfaces for a scalar variable

  1. Click Add -> Pseudocolor -> hardyglobal
  2. Click Draw
  3. Click Operator -> Slicing -> Isosurface
  4. Click Draw
  5. Click Arrow to expand
  6. Double-Click Isosurface
  7. Under Select by choose ->Percent(s) enter 40
  8. Click Apply

We will add additional isosurface at 80%

  1. Double-Click -> Pseudocolor
  2. Change Opacity
  3. Click Apply & Dismiss
  4. Click Add -> Pseudocolor -> hardyglobal
  5. Click Operator -> Slicing -> Isosurface
  6. Click Arrow to expand
  7. Double-Click Isosurface
  8. Disable Apply operators to all plots on GUI window
  9. Under Select by choose ->Percent(s) enter 80
  10. Click Apply -> Dismiss -> Draw

Pseudocolor and Isosurfaces for a scalar variable

Clip Isosurfaces

  1. Click and enable -> apply operators and selection to all plots
  2. Click Operators -> Selection -> Clip
  3. Click Draw
  4. Double-Click -> Clip
  5. Click Plane 2
  6. Click Apply & Dismiss
  7. Click x (to delete)
  8. Click Draw

Slice Isosurfaces

  1. Click Operators -> Slicing -> Slice
  2. Click Draw
  3. Double-Click -> Slice
  4. Click Z-Axis & Project to 2D
  5. Click Apply
  6. Click Dismiss

Attachments (11)

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