for (i = sgrid; i <= egrid; i++){
double Y0=ytr(im,im->ygrid_scale.gridstep*i);
if ( Y0 >= im->yorigin-im->ysize
&& Y0 <= im->yorigin){
if(i % im->ygrid_scale.labfact == 0){
if (i==0 || im->symbol == ' ') {
for (i = sgrid; i <= egrid; i++){
double Y0=ytr(im,im->ygrid_scale.gridstep*i);
if ( Y0 >= im->yorigin-im->ysize
&& Y0 <= im->yorigin){
if(i % im->ygrid_scale.labfact == 0){
if (i==0 || im->symbol == ' ') {