[TinyOWS-users] Problem inserting features
bmay at mapwise.com
Mon Sep 19 15:22:41 EST 2011
Getting TinyOWS to work has been a long and winding road - still no
success - and almost ready to give up. Here's the latest on what I have
tried and the results.
I ended up trying it out on linux and got further down the road, but
different problems. I compiled it from source from SVN. I can insert
features via QGIS and OpenLayers now, but the inserted features do not
have any geometry (confirmed via checking out the table in postgres).
And I can see existing features in QGIS that I manually added via a
direct connect to postgres, but not in OpenLayers! I have been running
down a lot of rabbit holes trying to get this figured out, burning a lot
of time and I could really use some help.
Also, I may have found a few bugs in the process. For example, if you
have two geometry columns in your table, and do not inform tinyows of
the additional geometry column via the config file, it produces a 500
error when testing from the browser. Does tinyows expect the_geom vs.
wkb_geometry? Tried both and it seems to operate the same, except when
you have them both there at the same time.
I don't remember if this is in the docs, but you must have a record in
the geometry_columns table for tinyows to recognize the layer at all -
you can have your config all set up right, and it just won't show the
layer as being available.
If you change the geometry column name in your table and the geometry
column name in the geometry_columns table don't match - doing ./tinyows
--check produces the following error:
row number 0 is out of range 0..-1
tinyows: src/struct/buffer.c:254: buffer_add_str: Assertion `str' failed.
Is there any reason why having your data in 900913 projection would be a
problem? Wasn't my first choice, but I figured i could eliminate
projection problems that way since the map is in 900913.
Also, not sure why, but after some change I made, the url
is producing a much more terse output than before. Haven't figured out
what it is yet, although if I take out my custom layer, and just have
the france demo, the verbose output comes back.
If its easier to help debug this, I can open it up to the outside world
Any help would be greatly appreciated.
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