Mathc initiation/Fichiers h : 812

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	kg_3d.h

/* --------------------------------- */
/* save as kg_3d.h                   */
/* --------------------------------- */
void G_3d_eq(
CTRL_splot p,
char       feq[],
double     (*P_f)(double x, double y),
pt2d       Q
)
{
FILE   *fp;

        fp = fopen("a_main.plt","w");
        
fprintf(fp,"reset\n");
fprintf(fp,"set    samples 100\n");
fprintf(fp,"set isosamples 100\n");

fprintf(fp,"set hidden3d\n");

fprintf(fp,"set dgrid3d\n");
fprintf(fp,"set contour both\n");
fprintf(fp,"set cntrparam levels disc %6.3f\n",(*P_f)(Q.x,Q.y));

fprintf(fp,"set xlabel \"X axis\"\n");
fprintf(fp,"set ylabel \"Y axis\"\n");
fprintf(fp,"set zlabel \"Z axis\" offset 1, 0\n");

fprintf(fp,"set view %0.3f, %0.3f, %0.3f, %0.3f \n",
                    p.rot_x,p.rot_z,p.scale,p.scale_z);
                    
fprintf(fp,"set xrange [%0.3f:%0.3f]\n",p.xmin,p.xmax);
fprintf(fp,"set yrange [%0.3f:%0.3f]\n",p.ymin,p.ymax);
fprintf(fp,"set zrange [%0.3f:%0.3f]\n",p.zmin,p.zmax);
fprintf(fp,"splot ");
fprintf(fp,"\"a_ka\" lt 7 pt 7  ps 3,\\\n");
fprintf(fp,"%s lt 9",feq);

fprintf(fp,"\n\n");

 fclose(fp);
 
 
 fp = fopen("a_ka","w");
         fprintf(fp," %6.3f   %6.3f   %6.3f\n", 
              Q.x, Q.y, ((*P_f)(Q.x,Q.y)));
 fclose(fp); 
}
/* --------------------------------- */
/* --------------------------------- */

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