Hi Curt,
"Curtis Olson" wrote:
> Martin, I've been out of town for several days so I think I missed what
> issue is being addressed here. Could I ask that you take a step back and
> give me an overview of all this?
Everything you like ;-)
For the time being of VMap0-data in FlightGear Scenery, there have been
two cases of simplification, where different types of landcover usage
have been stuffed into the same TerraGear work directories:
1.) VMap0 "Glacier" and VMap0 "Polar Ice" have been accumulated in the
'LandCover/Glacier' directory,
2.) VMap0 "Wet Sand" and VMap0 "Marsh" have been mapped together in
'VPF-LandCover/Marsh'.
These have been defined in the 'TGVPF/process.sh' for a long time and
we simply ported the identical mapping over to 'ShapeFile/process.sh',
in order to provide an exact image of what had been done previously
with the TGVPF reader, when we did all those funny ShapeFile thingies.
When I started storing all the landcover data in a PostGIS DB, one goal
I had in mind was to understand and clean up the structure of all those
different layers.
Now, after many hours of reading VMap specs and dealing with this data,
I have come to the point where we could merge VMap1 data into the VMap0
stuff where VMap1 is available and I'd like to have those duplicates
cleaned up before we're getting into an even bigger mess.
This means, and this is what the patch implements, that we're going to
handle "Polar Ice" landcover data separately from "Glacier" as well as
"Wet Sand" (which apparently means "Littoral" in our case) separately
from "Marsh" - in TerraGear. In order to let FlightGear behave the same
as previously, the two mentione mappings are now implemented by
respective additional "name" entries in the 'materials.xml' file. I
already committed these entries.
I'd like to progress with the task on adding improvements to our
landcover data set and I'm eager to see these really small but
significant issues resolved. I'll keep you posted on the further
progress with the landcover data.
Cheers,
Martin.
--
Unix _IS_ user friendly - it's just selective about who its friends are !
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