+ double minx = gw->graph->minx;
+ double maxx = gw->graph->maxx;
+ double miny = gw->graph->miny;
+ double maxy = gw->graph->maxy;
+ if(gw->graph->xaxis != NULL) {
+ minx = gw->graph->xaxis->major_start;
+ maxx = gw->graph->xaxis->major_start + gw->graph->xaxis->major_step*gw->graph->xaxis->major;
+ }
+ if(gw->graph->yaxis != NULL) {
+ miny = gw->graph->yaxis->major_start;
+ maxy = gw->graph->yaxis->major_start + gw->graph->yaxis->major_step*gw->graph->yaxis->major;
+ }