CLAWPACK_PLOT
Wave Propagation Approach to Hyperbolic PDE's

CLAWPACK_PLOT is a library of MATLAB routines for displaying the results of computations made by CLAWPACK, which applies a wave propagation approach to hyperbolic partial differential equations in 1, 2 or 3 spatial dimensions.

When you run a CLAWPACK program, a number of files are created containing data computed by the program at successive times. For instance, in one case, my program created the following files:


        fort.info
        fort.nplot
        fort.q0000
        fort.q0001
        ...
        fort.q0010
        fort.t0000
        fort.t0001
        ...
        fort.t0010

This data can plotted using CLAWPACK_PLOT. The easiest way to do this is to put all your CLAWPACK data files in the same directory as the CLAWPACK_PLOT routines, and issue the appropriate command. In the 1D case, the appropriate command is


        plotclaw1

Related Data and Programs:

CLAW_PIX is a simplified version of CLAWPACK_PLOT, suitable for the 1D case. It displays all the data automatically, and saves each frame as a PNG file, suitable for an animation.

CLAWPACK is a library of FORTRAN77 routines for the solution of wave propagation to hyperbolic partial differential equations in 1, 2 or 3 spatial dimensions.

License:

      Copyright 1995-2002  R. J. LeVeque

      This software is made available for research and instructional use only.
      You may copy and use this software without charge for these non-commercial
      purposes, provided that the copyright notice and associated text is
      reproduced on all copies.  For all other uses (including distribution of
      modified versions), please contact the author at the address given below.
  
      This software is made available "as is" without any assurance that it
      will work for your purposes.  The software may in fact have defects, so
      use the software at your own risk.

      CLAWPACK Version 4.1, September, 2002
      http://www.amath.washington.edu/~claw

Reference:

Randy LeVeque,
Finite Volume Methods for Hyperbolic Problems,
Cambridge University Press, 2002.
Randy LeVeque,
CLAWPACK Version 4.2 User's Guide,
../../pdf/clawpack.pdf

Examples and Tests:

EXAMPLE01 is a 1D problem, using advection with constant velocity and outflow boundary conditions. The velocity is set in the data file.
EXAMPLE02 is a 1D problem involving the acoustics equation.

Source Code:

Basic Clawpack plotting routines and options.

plotclaw1.m, plot 1d results;
plotclaw2.m, plot 2d results;
plotclaw3.m, plot 3d results;
setplot1.m, script for setting parameters for 1d plots;
setplot2.m, script for setting parameters for 2d plots;
setplot3.m, script for setting parameters for 3d plots;
setplot.m, help on using setplot1, setplot2 or setplot3;
readamrdata.m, reads output files produced by Clawpack;
plotframe1ez.m, functional form of plotframe1;
setplotstyle.m, sets symbols and colors for line/scatter plots;
queryframe.m, queries the user for next frame information;
getlegendinfo.m, returns legend information on line plots;
printgif.m, prints a gif file from current figure;
printjpg.m, prints a jpg file from current figure;

Data analysis routines.

pressure.m, returns pressure given input data;
xvelocity.m, returns x velocity;
yvelocity.m, returns y velocity;
zvelocity.m, returns z velocity;
mach.m, return the Mach number;

General graph properties for 2d and 3d plots.

showcontourlines.m, shows contour lines;
hidecontourlines.m, hides contour lines;
showgridlines.m, shows computational grid;
hidegridlines.m, hides computational grid;
showpatchborders.m, shows patch borders;
hidepatchborders.m, hides patch borders;
showmesh.m, shows a coarsened mesh on specified levels;
hidemesh.m, hides a coarsened mesh on specified levels;
mappedgrid.m, parameter for plotting mapped grids.;
setcolors.m, gives user control over how colors are set;
setopengl.m, Sets OpenGL renderer;
showslices.m, shows slices/manifold;
hideslices.m, hides slices/manifold;
setslicecolor.m, sets color of slice/manifold;
setslicealpha.m, set transparency value of slice/manifold;
yrbcolormap.m, yellow/red/blue colormap;
redwhite.m, red/white colormap;
rybcolormap.m, red/yellow/blue colormap;
getblocknumber.m, get block number for plotting results of multi-block calculations;

2d specific graphics routines

showlevels.m, shows specified levels (2d only);
hidelevels.m, hides specified levels (2d only);
manifold.m, parameter for plotting manifold;
projectcontours.m, projects contour lines to user-specified plane;

3d specific graphics routines

sliceloop.m, loop over slices on 3d plots;
surfloop.m, loop over isosurfaces;
setviews.m, sets pre-defined viewing angles;
showcubes.m, shows 3d amr patch cube borders;
hidecubes.m, hides 3d amr patch cube borders;
showsurfs.m, shows isosurfaces created with ISOSURFVALUES;
hidesurfs.m, hides isosurfaces created with ISOSURFVALUES;
showsurflevels.m, show isosurfaces at specified AMR levels;
hidesurflevels.m, hide isosurfaces at specified AMR levels;
reducesurf.m, reduces number of faces on isosurface;
showsurfmesh.m, shows isosurface mesh;
hidesurfmesh.m, hides isosurface mesh;
setsurfalpha.m, sets isosurface transparency value;
setsurfcolor.m, sets isosurface color;

You can go up one level to the FORTRAN77 source codes.

Last revised on 07 April 2006.