VisIt tutorial for SoHPC@EPCC

Prepare PATH environment by typing:

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

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

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