[HOT] 30 m DEM TMS rendering for Nepal

piz piz at unical.it
Fri May 8 11:26:15 UTC 2015


Bonjour and thanks a lot!
I suppose the lighter the grey the more flat the slope, this will greatly help for finding helicop. landing areas



~~~~~~~~ quote of the day ~~~~~~~~~~~~~
"You shall above all things be glad and young"
                          (E.E. Cummings)


-- In data venerdì 8 maggio 2015 06:57:28, Jean-Guilhem Cailton ha scritto:
> Buongiorno,
> 
> Good idea. Here you go, Nepal slope map, thanks again to gdaldem:
> URL for JOSM is:
> tms:http://imagery.openstreetmap.fr/tms/1.0.0/nepal_slope/{zoom}/{x}/{y}
> and for iD:
> http://imagery.openstreetmap.fr/tms/1.0.0/nepal_slope/{z}/{x}/{y}
> 
> And previous rendering, with hillshading computed with a vertical
> exaggeration of 3 times (on elevations multiplied by 3):
> URL for JOSM is:
> tms:http://imagery.openstreetmap.fr/tms/1.0.0/nepal_dem_x3/{zoom}/{x}/{y}
> and for iD:
> http://imagery.openstreetmap.fr/tms/1.0.0/nepal_dem_x3/{z}/{x}/{y}
> 
> Best wishes,
> 
> Jean-Guilhem
> 
> 
> Le 07/05/2015 12:59, piz a écrit :
> > wonderfull
> > and now why not to derive from the DEM a slope map?
> >
> >
> >
> > ~~~~~~~~ quote of the day ~~~~~~~~~~~~~
> > “I'll make him an offer he can't refuse”
> >      (Mario Puzo - "The Godfather")
> >
> >
> > -- In data giovedì 7 maggio 2015 00:28:06, Jean-Guilhem Cailton ha scritto:
> >> Hi,
> >>
> >> The same DEM rendering now covers all of Nepal.
> >>
> >> URL for JOSM is:
> >> tms:http://imagery.openstreetmap.fr/tms/1.0.0/nepal_dem/{zoom}/{x}/{y}
> >>
> >> and for iD:
> >> http://imagery.openstreetmap.fr/tms/1.0.0/nepal_dem/{z}/{x}/{y}
> >>
> >> Best wishes,
> >>
> >> Jean-Guilhem
> >>
> >>
> >> Le 06/05/2015 22:24, piz a écrit :
> >>> I was thinking about the same rendering but didn't know about USGS data licensing
> >>>
> >>> I think that the DEM should be used for evaluating helicopter landing areas
> >>>
> >>> best
> >>> Roberto
> >>>
> >>>
> >>>
> >>> ~~~~~~~~ quote of the day ~~~~~~~~~~~~~
> >>> "Yeah, yeah, life sucks and then you die"
> >>> (Bret Easton Ellis - Pat Bateman "American Psycho")
> >>>
> >>>
> >>> -- In data mercoledì 6 maggio 2015 20:42:16, Jean-Guilhem Cailton ha scritto:
> >>>> Hi,
> >>>>
> >>>> Needing a DEM background for some task, I've prepared a rendering from
> >>>> the 30m SRTM DEM data made available by USGS for Central Nepal on HDX,
> >>>> and shared it as TMS it in case it could useful to others too. Note that
> >>>> it is not void-filled ("The voids occur in areas where the initial
> >>>> processing did not meet quality specifications").
> >>>>
> >>>> URL for JOSM is:
> >>>> tms:http://imagery.openstreetmap.fr/tms/1.0.0/nepal_central_dem/{zoom}/{x}/{y}
> >>>>
> >>>> and for iD:
> >>>> tms:http://imagery.openstreetmap.fr/tms/1.0.0/nepal_central_dem/{z}/{x}/{y}
> >>>>
> >>>>
> >>>> The color ramp used follows the rainbow, for visual contrast (and also
> >>>> for the spiritual symbol):
> >>>>
> >>>> 0 m : black
> >>>> 1000 m : blue
> >>>> 2000 m : cyan
> >>>> 3000 m : green
> >>>> 4000 m : yellow
> >>>> 5000 m : red
> >>>> 6000 m : white
> >>>>
> >>>>
> >>>> This only covers Central Nepal for now (N27E83 to N28E85). Please let me
> >>>> know if you'd like extended coverage (in particular to the East, or for
> >>>> entire Nepal), or have other suggestions or comments.
> >>>>
> >>>> Best wishes,
> >>>>
> >>>> Jean-Guilhem
> >>>>
> >>>>
> >>>>
> >
> 
> 
> 



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