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marissa |
1.4 |
#include <GL/glut.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <math.h> |
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#define WINDOW "image" |
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#define UP 101 |
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#define DOWN 103 |
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#define RIGHT 102 |
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#define LEFT 100 |
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#define MAX 700 |
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#define SCALE .06 |
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int NX, NY, NZ; |
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void do_byteswap_f32( float arr[], int nel ), global(), local( int, int, int ); |
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void readnames( char[] ), readarray( float[], char[], int ), readjet(), readxz( float[], char[] ); |
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void readyz( float[], char[] ), readdepths( char[] ); |
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void TimerFunction( int ), stroke( char[], int, int ); |
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float data[MAX][MAX*MAX], mxval, mnval, jet[64][3]; |
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float globalmx=0, globalmn=100; |
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int win[MAX], ilev=1, howmany, sets, count=0, glo=0, usr=0, anim=0, endian=0; |
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int xmax, ymax, yoffset=0, xoffset=0, yz=0, logscale=0, xz=0, nonegs=1; |
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int depths[MAX], scaledepth=0, totaldepth=0, scalecount=0; |
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char initfns[MAX][MAX], fns[MAX][MAX][MAX]; |
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void menu( int value ){ // called when menu is opened on right click |
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switch( value ){ |
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case 1: usr=glo=0; // unset glo & usr, sets local max/min |
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break; |
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case 2: glo=1; // enables global max/min |
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usr=0; // unsets usr |
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mxval=globalmx; // sets max to globalmx |
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mnval=globalmn; // sets min to globalmn |
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break; |
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case 3: usr=1; // switch to user-set max/min |
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glo=0; // unset glo |
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printf( "Max=" ); scanf( "%f", &mxval ); // prompt user for new max |
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printf( "Min=" ); scanf( "%f", &mnval ); // prompt user for new min |
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break; |
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case 4: logscale=( logscale+1 )%2; // switch log scale on/off |
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break; |
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case 5: nonegs=( nonegs+1 )%2; // switch allowance of negatives on/off |
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break; |
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case 6: endian=( endian+1 )%2; // switch between big/little endian |
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break; |
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} |
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glutPostRedisplay(); |
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} |
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void display(){ // called on glutPostRedisplay |
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int i, j, h, ioff, q; |
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float r, g, b, k, y; |
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double num, logmx, logmn; |
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char str[MAX]; |
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for( q=0; q<sets; q++ ){ // runs display func for each subwindow |
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glutSetWindow( win[q] ); // sets which subwindow to display to |
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glClear( GL_COLOR_BUFFER_BIT ); // background to black |
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if( xz ) { xmax=NX; ymax=NZ; } |
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else{ |
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if( yz ){ xmax=NY; ymax=NZ; } |
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else { xmax=NX; ymax=NY; } |
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} |
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if( glo || usr ){ // if global or user-set max/min |
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if( xz ) |
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readxz( data[q], fns[q][count] ); |
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else{ |
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if( yz ) |
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readyz( data[q], fns[q][count] ); |
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else |
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readarray( data[q], fns[q][count], ilev ); // read new array w/o calculating local max/min |
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} |
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} |
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else // if local max/min is set |
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local( q, count, ilev ); // read new array and calculate local max/min |
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if( logscale ){ |
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if( usr ){ |
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logmx=(double)mxval; |
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logmn=(double)mnval; |
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} |
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else{ |
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logmx=log10( mxval ); |
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logmn=log10( mnval ); |
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} |
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} |
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if( scaledepth && xz || scaledepth && yz ) ymax=totaldepth; |
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ioff=0; h=0; // ioff will count both i&j b/c data is 1D |
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for( j=0; j<ymax; j++ ){ // cycles through y values |
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for( i=0; i<xmax; i++ ){ // cycles through x values |
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r=g=b=0; // set color values to black |
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if( data[q][ioff]==0 ); // if data=0, values stay black |
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else{ |
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if( logscale ){ |
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num=(double)data[q][ioff]; |
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num=log10( num ); |
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if( num<logmn ) num=0; |
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else{ |
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if( num>logmx ) num=63; |
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else |
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num=63*( num-logmn )/( logmx-logmn ); |
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} |
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} |
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else{ |
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if( data[q][ioff]<mnval ) num=0; // if data is less than min, =min |
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else{ |
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if( data[q][ioff]>mxval ) num=63; // if data is more than max, =max |
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else |
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num=63*( data[q][ioff]-mnval )/( mxval-mnval ); // scale num from 0-63 (not defined for 64) |
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} |
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} |
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r=jet[(int)num][0]; // set red val |
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g=jet[(int)num][1]; // set green val |
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b=jet[(int)num][2]; // set blue val |
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} |
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glColor3f( r, g, b ); // put r, g, b into effect |
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if( scaledepth && xz || scaledepth && yz ) |
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glRectf( i, j, i+1, j+depths[h] ); |
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else |
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glRectf( i, j, i+1, j+1 ); // draws a square for data value |
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ioff++; |
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} |
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if( scaledepth && xz || scaledepth && yz ){ |
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j+=depths[h]-1; |
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h++; |
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} |
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} |
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glColor3f( 1, 1, 1 ); // set color to white |
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glRectf( xmax, 0, xmax+1, ymax+1 ); // draws a border |
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glRectf( 0, ymax, xmax, ymax+1 ); // draws a border |
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for( i=0; i<64; i++ ){ // draws color bar |
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glColor3f( jet[i][0], jet[i][1], jet[i][2]); // sets color |
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k=(float)i; // turns i into a float |
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y=(float)ymax/64; // sets height of rectangles |
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glRectf( xmax+10, y*k, xmax+20, (k+1)*y ); // draws rectangle |
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} |
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glColor3f( 1, 1, 1 ); // color to white |
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if( logscale ) |
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sprintf( str, "%.2f", logmx ); |
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else |
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sprintf( str, "%.1e", mxval ); // labels color bar with max val |
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stroke( str, xmax+2, ymax-1 ); |
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if( logscale ) |
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sprintf( str, "%.2f", logmn ); |
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else |
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sprintf( str, "%.1e", mnval ); // labels color bar with min val |
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stroke( str, xmax+2, 1 ); |
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if( xz ) |
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sprintf( str, "N-S slice %d", yoffset+1); |
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else{ |
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if( yz ) |
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sprintf( str, "E-W slice %d", xoffset+1); |
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else |
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sprintf( str, "Level %d", ilev ); // labels current level |
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} |
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stroke( str, 1, ymax+5 ); |
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sprintf( str, "Time %d", count+1 ); // labels current time |
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stroke( str, xmax/2, ymax+5 ); |
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if( glo ) // labels how max/min have been set |
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sprintf( str, "Global" ); // if glo is set, display Global |
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if( usr ) |
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sprintf( str, "User-set" ); // if usr is set, display User-set |
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if( !usr && !glo ) |
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sprintf( str, "Local" ); // else display Local |
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stroke( str, xmax+8, ymax+8 ); |
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if( anim ){ // tell user if autoplay is on |
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sprintf( str, "Autoplay" ); |
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stroke( str, xmax-35, ymax+8 ); |
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} |
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if( logscale ){ |
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sprintf( str, "Log Scale" ); // tell user if log scale is on |
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stroke( str, xmax-25, ymax+15); |
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} |
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stroke( fns[q][count], 1, ymax+15 ); // labels current file |
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glutSwapBuffers(); // double buffering set to animate smoothly |
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glFlush(); |
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} |
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} |
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marissa |
1.1 |
|
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marissa |
1.4 |
void stroke( char str[], int x, int y ){ // called to display text onscreen |
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int i; |
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marissa |
1.1 |
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marissa |
1.4 |
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ); |
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glEnable( GL_BLEND ); |
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glEnable( GL_LINE_SMOOTH ); |
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glMatrixMode( GL_MODELVIEW ); |
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marissa |
1.1 |
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marissa |
1.4 |
glPushMatrix(); |
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glScalef( SCALE, SCALE, SCALE ); |
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glTranslatef( (1/SCALE)*x, (1/SCALE)*y, 0 ); |
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for( i=0; i<strlen( str ); i++) // display each character of str |
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glutStrokeCharacter( GLUT_STROKE_ROMAN, str[i] ); |
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glPopMatrix(); |
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} |
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void key( unsigned char key, int x, int y ){ // called on key press |
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int i, tmp; |
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switch(key){ |
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case 'q': exit(0); // quits on 'q' |
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break; |
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case 'r': count=0; // resets back to first time |
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ilev=1; // and first level |
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break; |
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case 'a': anim=(anim+1)%2; // turns anim on/off |
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break; |
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case 'x': xz=(xz+1)%2; |
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yz=0; |
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break; |
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case 'y': yz=(yz+1)%2; |
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xz=0; |
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break; |
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case 'z': if( xz || yz ){ |
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scaledepth=( scaledepth+1 )%2; |
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scalecount++; |
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if( scalecount==1 ) |
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readdepths( ".darwinview/depths" ); |
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} |
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break; |
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} |
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glutPostRedisplay(); |
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} |
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void TimerFunction( int value ){ // called when anim is set and arrow key is pressed |
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int i; |
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switch(value){ // increments in the correct direction |
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case DOWN : if( xz && yoffset>0 ) |
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yoffset--; |
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else{ |
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if( yz && xoffset<NX-1 ) |
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xoffset++; |
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else |
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if( ilev<NZ && !xz && !yz ) |
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ilev++; // if down arrow pressed, move down a level |
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} |
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break; |
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case UP : if( xz && yoffset<NY-1 ) |
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yoffset++; |
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else{ |
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if( yz && xoffset>0 ) |
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xoffset--; |
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else |
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if( ilev>1 && !xz && !yz ) |
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ilev--; // if up arrow is pressed, move up a level |
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} |
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break; |
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case LEFT : if( count>0 ) |
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count--; // if left arrow is pressed, move back one time step |
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break; |
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case RIGHT: if( count<howmany-1 ) |
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count++; // if right arrow is pressed, moves forward one time step |
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break; |
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} |
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glutPostRedisplay(); |
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if ( anim ) |
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switch( value ){ |
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case DOWN : if( xz && yoffset==0 ) |
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yoffset=NY-1; |
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else{ |
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if( yz && xoffset==NX-1 ) |
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xoffset=0; |
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else |
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if( ilev==NZ && !xz && !yz ) |
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ilev=1; // if end reached, restart |
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} |
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glutTimerFunc( 100, TimerFunction, value ); // recalls itself |
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break; |
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case UP : if( xz && yoffset==NY-1 ) |
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yoffset=0; |
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else{ |
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if( yz && xoffset==0 ) |
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xoffset=NX-1; |
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else |
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if( ilev==1 ) |
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ilev=NZ; // if end reached, restart |
| 300 |
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} |
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glutTimerFunc( 100, TimerFunction, value ); // recalls itself |
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break; |
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case LEFT : if( count==0 ) count=howmany-1; // if end reached, restart |
| 304 |
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glutTimerFunc( 100, TimerFunction, value ); // recalls itself |
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break; |
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case RIGHT: if( count==howmany-1 ) count=0; // if end reached, restart |
| 307 |
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glutTimerFunc( 100, TimerFunction, value ); // recalls itself |
| 308 |
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break; |
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} |
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} |
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void specialkey( int key, int x, int y ){ |
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int i; |
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| 315 |
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if( anim ) // if animation is set, call the timer function |
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glutTimerFunc( 100, TimerFunction, key); // to scroll automatically |
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switch(key){ |
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case DOWN : if( xz && yoffset>0 ) |
| 320 |
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yoffset--; |
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else{ |
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if( yz && xoffset<NY-1 ) |
| 323 |
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xoffset++; |
| 324 |
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else |
| 325 |
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if( ilev<NZ && !xz && !yz ) // if you haven't reached the bottom |
| 326 |
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ilev++; // keep going down |
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} |
| 328 |
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break; |
| 329 |
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case UP : if( xz && yoffset<NY-1 ) |
| 330 |
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yoffset++; |
| 331 |
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else{ |
| 332 |
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if( yz && xoffset>0 ) |
| 333 |
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xoffset--; |
| 334 |
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else |
| 335 |
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if( ilev>1 ) // if you haven't reached the top |
| 336 |
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ilev--; // keep going up |
| 337 |
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} |
| 338 |
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break; |
| 339 |
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case RIGHT : if( count<howmany-1 ) // if you haven't reached the last file |
| 340 |
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count++; // keep going right |
| 341 |
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break; |
| 342 |
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case LEFT : if( count>0 ) // if you haven't reached the first file |
| 343 |
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count--; // keep going left |
| 344 |
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break; |
| 345 |
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} |
| 346 |
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glutPostRedisplay(); |
| 347 |
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} |
| 348 |
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| 349 |
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void global(){ // calculates the max/min for the total data set |
| 350 |
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FILE* fp; |
| 351 |
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int h, i, j; |
| 352 |
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for( h=0; h<sets; h++) // cycles through each window |
| 353 |
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for( i=0; i<howmany; i++ ) // cycles through each time |
| 354 |
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for( j=0; j<NZ; j++ ){ // cycles through each level for each file |
| 355 |
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local( h, i, j ); // calculates local max/min for specific data set |
| 356 |
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if( mxval > globalmx ) globalmx = mxval; // sets highest value to globalmx |
| 357 |
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if( mnval < globalmn ) globalmn = mnval; // sets lowest value to globalmn |
| 358 |
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} |
| 359 |
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} |
| 360 |
|
|
|
| 361 |
|
|
void local( int i, int time, int lev ){ // calculates local max/min |
| 362 |
|
|
int j; |
| 363 |
|
|
|
| 364 |
|
|
mxval=0; |
| 365 |
|
|
mnval=100; |
| 366 |
|
|
if( xz ) |
| 367 |
|
|
readxz( data[i], fns[i][time]); |
| 368 |
|
|
else{ |
| 369 |
|
|
if( yz ) |
| 370 |
|
|
readyz( data[i], fns[i][time]); |
| 371 |
|
|
else |
| 372 |
|
|
readarray( data[i], fns[i][time], lev ); // read new array of data |
| 373 |
|
|
} |
| 374 |
|
|
for( j=0; j<xmax*ymax; j++ ){ |
| 375 |
|
|
if( data[i][j] > mxval ) |
| 376 |
|
|
mxval=data[i][j]; // set largest val to mxval |
| 377 |
|
|
if( data[i][j] < mnval && data[i][j]!=0 ) |
| 378 |
|
|
mnval=data[i][j]; // set smallest positive val to mnval |
| 379 |
|
|
} |
| 380 |
|
|
} |
| 381 |
|
|
|
| 382 |
|
|
void readnames( char filename[] ){ // reads in list of filenames |
| 383 |
|
|
FILE* fp; |
| 384 |
|
|
int i=0, j=0; |
| 385 |
|
|
|
| 386 |
|
|
fp=fopen( filename, "r" ); // opens list of filenames |
| 387 |
|
|
while( !feof(fp) ){ // reads until the end of the file |
| 388 |
|
|
fscanf( fp, "%s", initfns[i] ); // places filename into an array of strings |
| 389 |
|
|
i++; // counts how many filenames there are |
| 390 |
|
|
} |
| 391 |
|
|
fclose( fp ); // close file |
| 392 |
|
|
sets=i-1; // saves number of initial filenames |
| 393 |
|
|
|
| 394 |
|
|
for(i=0; i<sets; i++){ // goes through each read-in filename |
| 395 |
|
|
fp=fopen( initfns[i], "r" ); // opens each filename |
| 396 |
|
|
j=0; |
| 397 |
|
|
while( !feof(fp) ){ // reads in filenames from each filename |
| 398 |
|
|
fscanf( fp, "%s", fns[i][j]); |
| 399 |
|
|
j++; |
| 400 |
|
|
} |
| 401 |
|
|
fclose(fp); // close file |
| 402 |
|
|
} |
| 403 |
|
|
howmany=j-1; // saves number of data filenames |
| 404 |
|
|
} |
| 405 |
|
|
|
| 406 |
|
|
void readdepths( char filename[] ){ |
| 407 |
|
|
int i; |
| 408 |
|
|
FILE* fp; |
| 409 |
|
|
|
| 410 |
|
|
fp=fopen( filename, "r" ); |
| 411 |
|
|
|
| 412 |
|
|
for( i=NZ-1; i>=0; i-- ){ |
| 413 |
|
|
fscanf( fp, "%d ", &depths[i] ); |
| 414 |
|
|
totaldepth+=depths[i]; |
| 415 |
|
|
} |
| 416 |
|
|
|
| 417 |
|
|
fclose( fp ); |
| 418 |
|
|
} |
| 419 |
|
|
|
| 420 |
|
|
void readjet(){ //reads in color scale values |
| 421 |
|
|
FILE* fp; |
| 422 |
|
|
int i, j; |
| 423 |
marissa |
1.3 |
|
| 424 |
marissa |
1.4 |
fp=fopen( ".darwinview/jet.h", "r" ); // opens file containing values |
| 425 |
|
|
for( i=0; i<64; i++ ) // reads in 64 sets of r, g, b values |
| 426 |
|
|
for( j=0; j<3; j++ ) |
| 427 |
|
|
fscanf( fp, "%f", &jet[i][j] ); |
| 428 |
|
|
fclose( fp ); // closes file |
| 429 |
|
|
} |
| 430 |
|
|
|
| 431 |
|
|
void readxz( float arr[], char filename[] ){ |
| 432 |
|
|
int i, j; |
| 433 |
|
|
float tmp[MAX][MAX], tmp2[MAX*MAX]; |
| 434 |
|
|
FILE* fp; |
| 435 |
|
|
|
| 436 |
|
|
fp=fopen( filename, "rb" ); |
| 437 |
|
|
for( i=0; i<NZ; i++){ |
| 438 |
|
|
fseek( fp, (NX*yoffset*4)+(i*NX*NY*4), SEEK_SET ); |
| 439 |
|
|
fread( &arr[NX*i], sizeof( arr[0] ), NX, fp ); // reads in data to fill one level |
| 440 |
|
|
} |
| 441 |
|
|
fclose( fp ); |
| 442 |
|
|
|
| 443 |
|
|
for( i=0; i<NZ; i++ ) |
| 444 |
|
|
for( j=0; j<NX; j++) |
| 445 |
|
|
tmp[i][j]=arr[i*NX+j]; |
| 446 |
|
|
|
| 447 |
|
|
for( i=0; i<NZ; i++ ) |
| 448 |
|
|
for( j=0; j<NX; j++) |
| 449 |
|
|
tmp2[i*NX+j]=tmp[NZ-i-1][j]; |
| 450 |
|
|
|
| 451 |
|
|
for( i=0; i<NX*NZ; i++) |
| 452 |
|
|
arr[i]=tmp2[i]; |
| 453 |
|
|
} |
| 454 |
|
|
|
| 455 |
|
|
void readyz( float arr[], char filename[] ){ |
| 456 |
|
|
int i, j; |
| 457 |
|
|
float tmp[MAX][MAX], tmp2[MAX*MAX]; |
| 458 |
|
|
FILE* fp; |
| 459 |
|
|
|
| 460 |
|
|
fp=fopen( filename, "rb" ); |
| 461 |
|
|
for( i=0; i<NY*NZ; i++ ){ |
| 462 |
|
|
fseek( fp, (xoffset*4)+(i*NX*4), SEEK_SET ); |
| 463 |
|
|
fread( &arr[i], sizeof( arr[0] ), 1, fp ); |
| 464 |
|
|
} |
| 465 |
|
|
fclose(fp); |
| 466 |
|
|
|
| 467 |
|
|
for( i=0; i<NZ; i++ ) |
| 468 |
|
|
for( j=0; j<NY; j++) |
| 469 |
|
|
tmp[i][j]=arr[i*NY+j]; |
| 470 |
|
|
|
| 471 |
|
|
for( i=0; i<NZ; i++ ) |
| 472 |
|
|
for( j=0; j<NY; j++) |
| 473 |
|
|
tmp2[i*NY+j]=tmp[NZ-i-1][j]; |
| 474 |
|
|
|
| 475 |
|
|
for( i=0; i<NY*NZ; i++) |
| 476 |
|
|
arr[i]=tmp2[i]; |
| 477 |
|
|
} |
| 478 |
|
|
|
| 479 |
|
|
void readarray( float arr[], char filename[], int il ){ // reads new data |
| 480 |
|
|
FILE* fp; |
| 481 |
|
|
int i; |
| 482 |
|
|
|
| 483 |
|
|
fp=fopen( filename, "rb" ); // opens the file containing data |
| 484 |
|
|
fseek( fp, (il-1)*NX*NY*4, SEEK_SET ); // seeks to the correct place using ilev |
| 485 |
|
|
fread( arr, sizeof( arr[0] ), NX*NY, fp ); // reads in data to fill one level |
| 486 |
|
|
fclose( fp ); // close file |
| 487 |
|
|
|
| 488 |
|
|
if( nonegs ) |
| 489 |
|
|
for( i=0; i<NX*NY; i++ ) |
| 490 |
|
|
if( arr[i] < 0 ) |
| 491 |
|
|
arr[i] = pow(10, -20); // sets negative values to 10^-20 |
| 492 |
|
|
|
| 493 |
|
|
if( endian ) |
| 494 |
|
|
do_byteswap_f32( arr, NX*NY ); // switches endian |
| 495 |
|
|
} |
| 496 |
|
|
|
| 497 |
|
|
void do_byteswap_f32( float arr[], int nel ){ // switches endian |
| 498 |
|
|
|
| 499 |
|
|
int i; |
| 500 |
|
|
char src[4], trg[4]; |
| 501 |
|
|
|
| 502 |
|
|
for( i=0; i<nel; i++ ){ |
| 503 |
|
|
memcpy( src, &(arr[i]), 4 ); |
| 504 |
|
|
trg[0]=src[3]; |
| 505 |
|
|
trg[1]=src[2]; |
| 506 |
|
|
trg[2]=src[1]; |
| 507 |
|
|
trg[3]=src[0]; |
| 508 |
|
|
memcpy( &(arr[i]), trg, 4 ); |
| 509 |
|
|
} |
| 510 |
|
|
} |
| 511 |
|
|
|
| 512 |
|
|
void black( ){ |
| 513 |
|
|
glClear( GL_COLOR_BUFFER_BIT ); |
| 514 |
|
|
glutSwapBuffers(); |
| 515 |
|
|
glFlush(); |
| 516 |
|
|
} |
| 517 |
|
|
|
| 518 |
|
|
|
| 519 |
|
|
int main( int argc, char *argv[] ){ |
| 520 |
|
|
int i, setsx, setsy, tmpx, tmpy, winx, winy, parent; |
| 521 |
|
|
char str[MAX], filename[MAX]; |
| 522 |
|
|
FILE* fp; |
| 523 |
|
|
|
| 524 |
|
|
if( strcmp(argv[1], "binary") == 0 ) |
| 525 |
|
|
fp=fopen( ".darwinview/binconfig", "r" ); |
| 526 |
|
|
else |
| 527 |
|
|
if( strcmp(argv[1],"netcdf") == 0 ) |
| 528 |
|
|
fp=fopen( ".darwinview/ncconfig", "r" ); |
| 529 |
|
|
|
| 530 |
|
|
fscanf( fp, "%dx%d ", &winx, &winy ); |
| 531 |
|
|
winy-=60; winx-=20; // adjusts resolution so edges won't get cut off |
| 532 |
|
|
fscanf( fp, "%d %d %d ", &NX, &NY, &NZ ); |
| 533 |
|
|
fscanf( fp, "%dx%d ", &setsx, &setsy ); // prompts user for dimensions of subwindows |
| 534 |
|
|
fscanf( fp, "%s", filename ); |
| 535 |
|
|
|
| 536 |
|
|
fclose( fp ); |
| 537 |
|
|
|
| 538 |
|
|
xmax=NX; ymax=NY; |
| 539 |
|
|
|
| 540 |
|
|
readjet(); // stores color values |
| 541 |
|
|
readnames( filename ); // gets list of filenames to read from |
| 542 |
|
|
global(); // calculates max and min for all data |
| 543 |
|
|
|
| 544 |
|
|
glutInit( &argc, argv ); |
| 545 |
|
|
glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE ); // sets rgb mode and double buffering |
| 546 |
|
|
glutInitWindowSize( winx, winy ); // parent window will cover screen |
| 547 |
|
|
glutInitWindowPosition( 10, 10 ); // location of parent window |
| 548 |
|
|
parent=glutCreateWindow( WINDOW ); // creates parent window |
| 549 |
|
|
|
| 550 |
|
|
glClearColor( 0, 0, 0, 0 ); // sets clear color to black |
| 551 |
|
|
gluOrtho2D( 0, winx , winy, 0 ); // sets(0,0) as top left corner |
| 552 |
|
|
glutDisplayFunc( display ); |
| 553 |
|
|
glutKeyboardFunc( key ); // called on key press |
| 554 |
|
|
glutSpecialFunc( specialkey ); // called on special key press (arrow keys) |
| 555 |
marissa |
1.3 |
|
| 556 |
|
|
|
| 557 |
marissa |
1.4 |
for( i=0; i<setsx*setsy; i++ ){ |
| 558 |
|
|
tmpx = (i%setsx)*(winx/setsx); // x coordinate of top left corner of subwindow |
| 559 |
|
|
tmpy = (i/setsx)*(winy/setsy); // y coordinate of top left corner of subwindow |
| 560 |
|
|
|
| 561 |
|
|
win[i]=glutCreateSubWindow( parent, tmpx, tmpy, winx/setsx, winy/setsy ); // creates subwindow |
| 562 |
|
|
gluOrtho2D( 0, NX+35, 0, NY+25 ); // sets how data is mapped to subwindow |
| 563 |
|
|
glutKeyboardFunc( key ); // called on key press |
| 564 |
|
|
glutSpecialFunc( specialkey ); // called on special key press (arrow keys) |
| 565 |
|
|
if( i >= sets ) // |
| 566 |
|
|
glutDisplayFunc( black ); |
| 567 |
|
|
else |
| 568 |
|
|
glutDisplayFunc( display ); // sets display func for subwindow |
| 569 |
|
|
|
| 570 |
marissa |
1.1 |
|
| 571 |
marissa |
1.4 |
glutCreateMenu( menu ); // adds a menu |
| 572 |
|
|
glutAddMenuEntry( "Local Color Scale", 1 ); // adds a menu entry |
| 573 |
|
|
glutAddMenuEntry( "Global Color Scale", 2 ); // adds a menu entry |
| 574 |
|
|
glutAddMenuEntry( "User-Set Color Scale", 3 ); // adds a menu entry |
| 575 |
|
|
glutAddMenuEntry( "Log Scale (on/off)", 4 ); // adds a menu entry |
| 576 |
|
|
glutAddMenuEntry( "Allow Negatives (on/off)", 5 ); // adds a menu entry |
| 577 |
|
|
glutAddMenuEntry( "Switch Endian (big/little) ", 6); // adds a menu entry |
| 578 |
|
|
glutAttachMenu( GLUT_RIGHT_BUTTON ); // menu called on right click |
| 579 |
|
|
} |
| 580 |
|
|
|
| 581 |
|
|
glutMainLoop(); // begin processing events |
| 582 |
|
|
return 0; |
| 583 |
|
|
} |
| 584 |
marissa |
1.1 |
|
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| 
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