Thanks Oliver,
I was thinking it was easy to just be able to change the hillshading
layer drawing order (put it on the top or in the back or between to map
layers), but it seems difficult.
And I prefer fast rendering than a new slow feature.
Bye,
Chris
Le 23/05/2015 00:15, Oliver Eichler a écrit :
Here are two screen shots with well tempered hill shading. I think
it's well enough.
Am Samstag, 23. Mai 2015, 00:05:55 schrieb Oliver Eichler:
> Hi Chris,
>
> I am no OpenGL or graphics expert. Maybe the complete render process
has to
> be done different. But as long as no one donates a better solution
you have
> to live with mine.
>
> The map canvas is composed by three layers. The map layer, the DEM
layer and
> the GIS layer. Each layer is rendered independently in it's own thread.
> Thus all layers are rendered in parallel. By that a modern multicore
CPU is
> used to it's advantage and the render process is fast, giving a good
> feedback to user interaction.
>
> As explained in the past, the hill shading overlay is a full
featured hill
> shading. It's not only darkening the south eastern slopes, as QLGT does.
> It's also adding structure to north western slopes. On the one hand side
> this is nice as it adds more information to the map. On the other
hand side
> the maps appearance is kind of milky.
>
> There are probably better ways to brighten or darken colors. However
as the
> map is calculated in parallel the DEM layer can't influence the map
colors.
> That would be possible if the DEM layer waits for the map layer to
finish
> rendering. But then everyone would complain that rendering is slow.
>
> Besides I don't think that the hill shading is that bad. If you
carefully
> fine tune opacity and the dynamic range (that is the second slider)
you get
> nice results without too much of a blur.
>
> Oliver
>
> Am Freitag, 22. Mai 2015, 22:37:00 schrieb zero:
> > Hello,
> > I just wanted to add my point of view (as I already did few weeks ago
> > about the same topic):
> > on attached screenshot you can see twice the same data :
> > openmtbmaps(without surfaces) + DEM gif built with data from
viewPanorama.
> > On the left I activated the DEM VRT layer on the "maps" tab".
> > On the right I use the dedicated "DEM" tab.
> >
> > On the left DEM data is poor but ways are really nicely clearly
displayed
> > on the right DEM data is good but ways are greyed out.
> >
> > Is there a way to put the "good DEM" layer under the vector layer
? (in
> > other words how to have the best of the right and left sides ?)
> >
> > Thanks for your help,
> >
> > Chris
> >
> > Le 22/05/2015 21:26, Oliver Eichler a écrit :
> > > Ok I revert the patch
> > >
> > > Am Freitag, 22. Mai 2015, 20:29:12 schrieben Sie:
> > > > Oliver Eichler <[email protected]> writes:
> > > > > The opacity of the area polygons is decreasing twice as fast
than
> > > > > the
> > > > >
> > > > > one of the lines now. You can experiment a bit on your own
if you
> > > > >
> > > > > edit CMapIMG.cpp line 1299
> > > >
> > > > I see.
> > > >
> > > >
> > > >
> > > > I didn't recognize the change because in my view,
freizeitkarte is at
> > > >
> > > > the bottom with full opacity, and it's overlaid with google maps.
> > > >
> > > >
> > > >
> > > > I did that by intent. Because, if I do it the other way round
(with
> > >
> > > > freizeitkarte on top), labels from freizeitkarte look very bad:
> > >
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> >
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------------------------------------------------------------------------------
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Widest out-of-the-box monitoring support with 50+ applications
Performance metrics, stats and reports that give you Actionable Insights
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---
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antivirus Avast.
http://www.avast.com
------------------------------------------------------------------------------
One dashboard for servers and applications across Physical-Virtual-Cloud
Widest out-of-the-box monitoring support with 50+ applications
Performance metrics, stats and reports that give you Actionable Insights
Deep dive visibility with transaction tracing using APM Insight.
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