[Merkaartor] Merkaartor freezes (since 0.13/svn)
jfendler at polytechnic.edu.na
Mon Feb 23 07:23:54 GMT 2009
Right now it appears the clipping itself takes up the time I was
complaining about. This, however, only occurs when actually changing the
zoom level - not when working on the map. Maybe my PC was busy with
something else and I was still being paranoid about this ex-bug..
Don't worry for now - everything looks actually fine. Sorry for the
On Sun, 2009-02-22 at 14:26 +0100, Chris Browet wrote:
> I just tried on both Windows and Linux (Gentoo) without problems.
> Could others confirm this behaviour?
> - Chris -
> On Sun, Feb 22, 2009 at 2:16 PM, Chris Browet <cbro at semperpax.com>
> Strange. Borders are not handled differently than other
> Furthermore, the BB you gave me only contains a fairly short
> piece of border...
> On Sun, Feb 22, 2009 at 11:00 AM, Jens Fendler
> <jfendler at polytechnic.edu.na> wrote:
> Hi Chris,
> "Lost in the Thread" is nice - might be the title for
> the next "Lost in
> Translation" movie :-)
> The problem I was referring to is that (previous to
> the last patch) it
> took merkaartor forever to work on the map in high
> zoom levels - with
> you mentioning it was due to QT not performing a
> proper clipping to the
> area, thus requiring lots of memory if a relation
> member is among the
> things in the map section currently being viewed. The
> "relations" part
> of the problem seems solved, but the very same effect
> is still present
> for border-type ways. Those are usually not part of a
> relation, but are
> also quite large (might also apply to any other "big"
> map feature). My
> guess is that there's more things in the map currently
> not being
> properly clipped away.
> Hope this helps,
> On Feb 21, 2009 05:23 PM, Chris Browet
> <cbro at semperpax.com> wrote:
> > >
> > > Same here, but I noticed (probably) the same
> problem still occurs
> > > with
> > > state borders (border_type=nation,
> > > admin_level=2). For example here: 19.9929,
> -22.2834, 20.0010,
> > > -22.2793.
> > >
> > > I haven't tested it with other (long) borders yet,
> but would expect
> > > it
> > > to be the same.
> > I'm lost in the thread... What problem is it? Long
> download time?
> > >
> > >
> > > One other issue I noticed with the latest patch
> only is a way
> > > artifact
> > > being rendered after a "split" on a way: Select a
> road and one or
> > > two
> > > nodes on it, split the way, and try to select
> either of the (new)
> > > segments. It will still highlight the whole way
> unless I change the
> > > zoom
> > > level (in or out doesn't matter) once. Selecting a
> segment after
> > > changing the zoom level works fine again.
> > >
> > I was wondering why I was rebuilding the road on
> each hover/select.
> > Now I
> > know... Solved.
> > - Chris -
Jens Fendler <jfendler at polytechnic.edu.na>
Department of Software Engineering - Polytechnic of Namibia
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