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int print_tree(tree)
struct quadtree *tree;
{
double x_se,x_sw,x_ne,x_nw,y_se,y_sw,y_ne,y_nw;
static int k=0;
static int i=1;
if (i)
{
i = 0;
printf ("ORGANIZATION: USGS-NMD DLG DATA - CHARACTE\n");
printf ("DIGIT DATE: 1977,\n");
printf ("DIGIT NAME: grass\n");
printf ("MAP NAME: RAPID CITY, SD\n");
printf ("MAP DATE: 1977,\n");
printf ("MAP SCALE: 100000\n");
printf ("OTHER INFO: RC3.RDS03\n");
printf ("ZONE: 13\n");
printf ("WEST EDGE: -123\n");
printf ("EAST EDGE: 8004\n");
printf ("SOUTH EDGE: -20\n");
printf ("NORTH EDGE: 5580\n");
printf ("MAP THRESH: 2\n");
printf ("VERTI:\n");
}
if (tree==NULL) return 0;
if (tree->data==NULL) return 0;
if (tree->data->points == NULL) {
print_tree(tree->se_leaf);
print_tree(tree->sw_leaf);
print_tree(tree->ne_leaf);
print_tree(tree->nw_leaf);
}
else {
x_sw=tree->data->x_orig;
y_sw=tree->data->y_orig;
x_nw=x_sw;
y_se=y_sw;
x_se=x_sw+tree->data->n_cols*step;
y_nw=y_sw+tree->data->n_rows*step;
y_ne=y_nw;
x_ne=x_se;
printf("L 5\n");
printf(" %lf %lf\n",y_sw,x_sw);
printf(" %lf %lf\n",y_nw,x_nw);
printf(" %lf %lf\n",y_ne,x_ne);
printf(" %lf %lf\n",y_se,x_se);
printf(" %lf %lf\n",y_sw,x_sw);
}
return 1;
}
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