Tried a lot of dem-dist variations: fixed resolution as you hinted, decreasing and even inverted steps.

Unfortunately nothing changed the shown behavior.

What I´d like to see is the same CONTRAST in the shading over all resolutions.

In higher resolutions the darks of the DEM are clearly brighter, whatever dem-dists used.

With the blank screenshots I wanted to show that there is no additional (higher resolution) polygon in my style eventually hiding the DEM.

Had some success (at least on DEM contrasts) mixing levels and overview-levels, but that obviously breaks the rest of the map.

Jan

Am 04.07.2018 um 21:14 schrieb Felix Hartmann <extremecarver@gmail.com>:

if you have several dem resolution levels in mkgmap - then it will lose in detail (in order to zoom in/out faster). You could just create the map is a single dem resolution - then detail level is always the same.

On 4 July 2018 at 18:52, jan meisters <jan_m23@gmx.net> wrote:

I just made my first map with the new DEM-option and I´m impressed. Pretty easy.

But I wonder why DEM shading looses contrast in higher resolutions in BaseCamp:

<1DEM_low.jpg><2DEM_higk.jpg>

My Style has background poly 4a and 4b (both transparent), however they are not mentioned in polygons. I wouldn´t know how to tag them anyway.

And even with a completely blanked typ-file the difference is visible:

<3DEM_low-e.jpg><4DEM_high-e.jpg>

HGT´s are 3“ data from viewfinderpanaramas.org

To keep the contrasted DEM up to higher resolutions/zooms I played with all DEM-options from help, and also with transparencies, but that had no effect - the softer shading remains.

I see the switch in Basecamp somewhere between assumed resolutions 20 and 22.

How is this switch defined? Is there a value to adjust this?

Jan

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Felix Hartman - Openmtbmap.org & VeloMap.org

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