Hi Henning, currrent implememtation is that DEM is only added to the overview map if x-overview-dem-dist is given and has a value > 0. My Oregon 600 basemap has multiple levels : 276160,552336,1104672 the older 450t only one with 276160. So, maybe I should change the default so that DEM is added to the overwview map with 276160 and the option allows to use a smaller value (=higher resolution) ? Gerd ________________________________________ Von: mkgmap-dev <mkgmap-dev-bounces@lists.mkgmap.org.uk> im Auftrag von Henning Scholland <osm@hscholland.de> Gesendet: Sonntag, 24. Dezember 2017 05:50:35 An: mkgmap-dev@lists.mkgmap.org.uk Betreff: Re: [mkgmap-dev] r4015 in dem-tdb branch implements --x-overview-dem-dist Hi Gerd, after thinking a while about overview-dem and it's not really logical to me. Mainly the proposed x-overview-dem-dist=0 isn't really intuitive. I should have thought more better before proposing it. It would be better to have a separate parameter -x-dem-overview=yes/no, where yes is default when DEM is activated. I will try to find a value for overview DEM with my maps. Keep you posted. Henning _______________________________________________ mkgmap-dev mailing list mkgmap-dev@lists.mkgmap.org.uk http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev