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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
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<A NAME="PetscDrawOpenGLUT"><H1>PetscDrawOpenGLUT</H1></A>
Opens an OpenGL window based on GLUT for use with the <A HREF="../Draw/PetscDraw.html#PetscDraw">PetscDraw</A> routines.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode PetscDrawOpenGLUT(MPI_Comm comm,const char display[],const char title[],int x,int y,int w,int h,PetscDraw *draw)
</PRE>
Collective on <A HREF="../Sys/MPI_Comm.html#MPI_Comm">MPI_Comm</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>comm </B></TD><TD>- the communicator that will share X-window
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>display </B></TD><TD>- the X display on which to open,or null for the local machine
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>title </B></TD><TD>- the title to put in the title bar,or null for no title
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>x,y </B></TD><TD>- the screen coordinates of the upper left corner of window
may use <A HREF="../Sys/PETSC_DECIDE.html#PETSC_DECIDE">PETSC_DECIDE</A> for these two arguments, then PETSc places the
window
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>w, h </B></TD><TD>- the screen width and height in pixels, or PETSC_DRAW_HALF_SIZE, PETSC_DRAW_FULL_SIZE,
or PETSC_DRAW_THIRD_SIZE or PETSC_DRAW_QUARTER_SIZE
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<DT><B>draw </B> -the drawing context.
<br>
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-nox </B></TD><TD>- Disables all x-windows output
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-draw_pause <pause> </B></TD><TD>- Sets time (in seconds) that the
program pauses after <A HREF="../Draw/PetscDrawPause.html#PetscDrawPause">PetscDrawPause</A>() has been called
(0 is default, -1 implies until user input).
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-draw_cmap <name> </B></TD><TD>- Sets the colormap to use.
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-draw_cmap_reverse </B></TD><TD>- Reverses the colormap.
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-draw_cmap_brighten </B></TD><TD>- Brighten (0 < beta < 1) or darken (-1 < beta < 0) the colormap.
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
When finished with the drawing context, it should be destroyed
with <A HREF="../Draw/PetscDrawDestroy.html#PetscDrawDestroy">PetscDrawDestroy</A>().
<P>
<H3><FONT COLOR="#CC3333">Note for Fortran Programmers</FONT></H3>
Whenever indicating null character data in a Fortran code,
NULL_CHARACTER must be employed; using NULL is not
correct for character data! Thus, NULL_CHARACTER can be
used for the display and title input parameters.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Draw/PetscDrawFlush.html#PetscDrawFlush">PetscDrawFlush</A>(), <A HREF="../Draw/PetscDrawDestroy.html#PetscDrawDestroy">PetscDrawDestroy</A>(), <A HREF="../Draw/PetscDrawOpenX.html#PetscDrawOpenX">PetscDrawOpenX</A>(), <A HREF="../Draw/PetscDrawCreate.html#PetscDrawCreate">PetscDrawCreate</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/classes/draw/impls/opengl/openglops.c.html#PetscDrawOpenGLUT">src/sys/classes/draw/impls/opengl/openglops.c</A>
<BR><A HREF="./index.html">Index of all Draw routines</A>
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