Stefan-
our emails crossed, so I just read this..
I appreciate your thorough write-up
BUT the deadline for changes to the LiveDVD is long gone..
Cameron is running the schedule, but my understanding
is that there is no more time..
Your improvised solution about building a .fix file in the same
directory
is really messy stuff.. its not what I would like to see on a final disk
Can you use a PostGIS data source for AS and GP ?
Natural Earth is already there and ready to go
-Brian
On Aug 10, 2010, at 9:38 AM, Stefan A. Tzeggai wrote:
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Hi
1. good news: I debugged AtlasStyler and Geopublisher today a OSGeoLive
system and fixed all the problems reported.
AS and GP now have no more problems when opening a Shapefile without a
.fix spatial index from a read-only drive - it doesn't try to create
the
index anymore.
2. The problem with read-only and .fix lies in Geotools, so it affects
uDig also.
3. I created a patch for Geotools
(http://jira.codehaus.org/browse/GEOT-3245) but it is not yet reviewed.
Options are:
A: Get the patch into Geotools and make a new release of Geotools and
uDig
Advantage: No big changes on the OSGeo side.
Disadvantage: Lots of work for Jody. uDig, Geopublisher, AtlasStyler
and
will not profit from a spatial index when working with the demo
shapefile data.
B: Create .fix indexes during build after the Shapefiles are unzipped
and while the drive is still read-write.
.fix are Geotools-specific, so ogr doesn't create these files. We need
a
command line tool to add .fix indexes if we want it to be done in
'bin/loadgisdata.sh'. Such a tool doesn't exists yet... So i added a
command line option to AtlasStyler 1.5 that does exactly that.
So for option B, we have to do only one thing: Add a line to
'bin/install_atlasStyler' that will add a spatial index to all
shapefiles in the $DATA_FOLDER:
find $DATA_FOLDER -iname "*.shp" -exec atlasstyler "addFix={}" \;
This REQUIRES that 'bin/loadgisdata.sh' is run before
install_AtlasStyler.sh is run.
Actually install_Gisdata is setting the data read-only already. So in
the install_AtlasStyler.sh i will have to change the permissions
twice..
something not so nice.
Advantage: No quick re-releasing of Geotools and uDig just for one
patch
two days after the last release.
Disadvantage: Some unorthodox modifications on the install scripts.
A or B ? Waiting for feedback.
Greetings,
Steve
Am 10.08.2010 13:33, schrieb Cameron Shorter:
The naturalearth data shapefiles are loaded by bin/loadgisdata.sh
It is loaded from the naturalearth website directly.
I'm open to you adding .fix files if you think it is easy enough to
achieve.
On 10/08/10 21:10, Stefan A. Tzeggai wrote:
Hi
I have installed the rc5 to my HDD and started investigating the
problems reported for AtlasStyler and Geopublisher. This is what
happens:
The natural earth shapes don't have .fix spatial indexes. AtlasStyler
tries to create them on-the-fly and gets a permission exception.
I will write a fix, so that that will not be a problem anymore, but
maybe we should anyways add .fix files to all Shapefiles on the DVD.
.fix files are supported by Geotools, so uDig, Geoserver,
Geopublisher and AtlasStyler (and probably more) would profit
performance-wise.
The data dir is not in the svn.. Tell me where it is, and i can
provide
.fix files for all shapefiles.
Greetings,
Steve
-- wiki² - Softwareentwicklung
Stefan A. Tzeggai, geb. Krüger
Straßburger Weg 26
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- --
wiki² - Softwareentwicklung
Stefan A. Tzeggai, geb. Krüger
Straßburger Weg 26
53113 Bonn
email [email protected]
phone 0228 24 000 528
mobile 0176 40 38 9559
webpage wikisquare.de
twitter http://twitter.com/geopublishing
skype alfonx
reclaim your net - http://tor.eff.org
enforce privacy - http://www.pgpi.org
pgp key id: 51B576FD - http://pgp.mit.edu
Please note that according to the German law on data retention,
information on every electronic information exchange with me is
retained for a period of six months.
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