Changes between Version 8 and Version 9 of visit-tutorial


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Timestamp:
Jul 4, 2013, 1:48:46 PM (12 years ago)
Author:
leon
Comment:

Final

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  • visit-tutorial

    v8 v9  
    11
    2 == VisIt tutorial for SoHPC@EPCC == [[Image(ex1.png,right,244)]]
     2= VisIt tutorial for PRACE SoHPC at EPCC =
     3 [[Image(ex1.png,right,244)]]
     4This tutorial is a compilation of the tutorial made by Brandt Westing from the Texas Advanced Computing Center, University of Texas at Austin, and modified for newer version of VisIt 2.6.2.
    35
    4 Prepare PATH environment by typing:
     6To be able to run VisIt at EPCC prepare the PATH environment by typing:
    57{{{
    68#!sh
    … …  
    810}}}
    911
    10 
     12Images are shown reduced to preserve spacing. If interested klick on them to compare your screen with natural size.
    1113== Contours of a scalar variable ==
    1214
    … …  
    5052 1. Click Apply -> Dismiss -> Draw
    5153
    52 == Clip Isosurfaces == [[Image(ex3.png,right)]]
     54[[Image(ex3.png,right,180)]]
     55== Clip Isosurfaces ==
    5356 1. Click and enable -> apply operators and selection to all plots
    5457 1. Click Operators -> Selection -> Clip
    … …  
    6063 1. Click Draw
    6164
    62 == Slice Isosurfaces == [[Image(ex4.png,right)]]
    63  1. Click Operators -> Slicing -> Slice
     65[[Image(ex4.png,right,180)]]
     66== Slice Isosurfaces ==
     67Continue from previous example.
     68 1. Click Operators -> Slicing -> Slice
    6469 1. Click Draw
    6570 1. Double-Click -> Slice
    … …  
    6974
    7075
     76[[Image(ex5.png,right,170)]]
     77== Create Glyph of Vector ==
     78 1. Unselect Apply operators/ selection to all plots
     79 1. Click Add -> Vector -> airVfGradient
     80 1. Click Draw
     81 1. Double click on Vector
     82 1. Under N vectors enter 4000
     83 1. Click Apply
     84 1. Click Dismiss
     85 1. Click {{{Hide/Show}}} to hide.
     86
     87[[Image(ex6.png,right,200)]]
     88== Create Streamlines ==
     89 1. Click Add -> Streamline -> grad
     90 1. Double click on Streamline
     91 1. Under Source Type Select Plane
     92 1. Enter:
     93   - Samples in X: 8
     94   - Samples in Y: 8
     95   - Streamline Direction Both
     96 1. Click Apply
     97 1. Click Dismiss
     98 1. Click Draw
     99 1. Double click on Streamline
     100 1. Click on Appearance
     101 1. Under draw as select Tubes
     102 1. Click Apply
     103 1. Under Data Value select Variable
     104 1. Under Variable select Scalars -> hardyglobal
     105 1. Click Apply
     106 1. Under Color -> Color table, click Default Choose hot_desaturated
     107 1. Click Apply & Dismiss
     108[[Image(ex7.png,right,200)]]
     109== Background Color and Legend ==
     110Continue from previous example.
     111 1. Click on Controls -> Annotation (Ctrl+N)
     112 1. Click on Colors
     113 1. Select Black for Background and White for Foreground
     114 1. Click Apply
     115 1. Click on General
     116 1. Click `No annotations`
     117 1. Click legend
     118 1. Click Apply & Dismiss
     119 1. Hide Pseudocolor Plots
     120[[Image(ex8.png,right,200)]]
     121== Create Slice ==
     122Continue from previous example.
     123 1. Click Add -> Pseudocolor -> grad_magnitude
     124 1. Click Draw
     125 1. Click Operator -> Slicing -> Slice
     126 1. Double click on Slice
     127 1. Select Z Axis
     128 1. Unselect project to 2D
     129 1. Click Apply & Dismiss
     130 1. Click Draw
     131 1. Click `Hide/Show` on Streamline to show plots together
     132 1. Hide everything
     133
     134== Create Volume Rendering ==
     135Continue from previous example.
     136 1. Click Add -> Volume -> grad_magnitude
     137 1. Click Draw (This might take some time but we continue anyway)
     138 1. Double click on Volume
     139 1. Change 1D Transfer Function graph by freely drawing in Opacity and removing lower range intensities.[[Image(ex9-opacity.png,right,200)]]
     140 1. Click Apply
     141 1. Click Dismiss
     142 1. Show previous plots and explore results by rotating, zooming, switching ...
     143[[Image(ex9.png,center)]]