+ int x_c,y_c;
+ int display_faktor_x,display_faktor_y;
+ if(((display->max_x+display->max_y+DISPLAY_X_FREE)>=display->screen_width)|
+ ((display->max_y+display->max_z+DISPLAY_Y_FREE)>=display->screen_height))
+ {
+ puts("resolution too low!");
+ return -23;
+ }
+ display_faktor_x=display->screen_width/(display->max_x+display->max_y);
+ display_faktor_y=display->screen_height/(display->max_z+display->max_y);
+ /* draw x-z surface */
+ // for(x_c=1;x_c<=display->max_x,x_c++)
+ // {
+
+