[OSM-talk] Mapping Reading, some impressions

[Tom Chance]

Ahoy,

Many thanks for the help! I'll pop some of this on the wiki for others to 
find :)

Kind regards,
Tom

On Sunday 10 September 2006 15:04, Etienne wrote:
> Tom
> I think you made your edits locally and have not yet uploaded them to the
> server.  Until you upload, the .OSM file will contain both the old way
> (with an action='delete' attribute) and the new way.
>
> What you are now seeing is both ways being rendered one on top of the
> other.  So the street name is now show twice; Once correctly and once with
> the names in the wrong order.
>
> Upload your changes to the database, re-save the .OSM file locally and then
> try rendering again.  It should come out OK.
>
> Here are a couple of JOSM tips:
>
> 1) If you have a way that contains a segment that is pointing in the wrong
> direction you can flip the segment by selecting it using Alt+click and then
> Ctrl+Shift+R to flip it.
>
> 2) If the segments are in the wrong order, rather than delete the way which
> means you have to re-enter all the attributes, you can remove all the
> segments from the way, except the first one, and then add all the rest of
> the segments in the correct order.  Type W to go into Way mode, click on
> the way to select it, then click on each highlighted segment in turn to
> remove it from the way, until the only segment left is the one that you
> want be at the start of the way.  Then add all the other segments again in
> the order that you want them.
>
> And a couple of Osmarender tips:
> 1) If a name is rendered upside down you can invert it by adding a tag to
> the way called name_direction with a value of -1.  It's better to reverse
> the direction of the segments if you can, but if its a one-way street then
> you'll need to use the name_direction tag  otherwise you'd be altering the
> traffic flow.
>
> 2) If a street name is too large to fit on a road, you can override the
> font-size by adding a tag to the way called svg:font-size with a value like
> 0.5 (most streets are rendered with a font-size of 1, major roads with a
> font-size of 1.5).  You can actually override many of the svg style
> attributes like this.  For example: svg:fill=red could be used to colour a
> street name in red to highlight it for some purpose.
>
>
> Etienne
>
> On 9/10/06, Tom Chance <tom at acrewoods.net> wrote:
> > Ahoy,
> >
> > On Sunday 10 September 2006 09:38, Etienne wrote:
> > > On 9/5/06, Tom Chance <tom at acrewoods.net> wrote:
> > > > With pub names it's not too much of a bother, but I've attached a
> > > > screenshot
> > > > with a collection of errors and nitpicks that are really a huge
> > > > hassle
> >
> > to
> >
> > > > correct over a large map. I don't know what can be done about them,
> >
> > but I
> >
> > > > thought I should flag them up:
> > > >
> > > > * small bendy roads have completely hopeless labels
> > > > * labels on short roads get cut off
> > > > * neither the corner on Selva Court nor slight bends in Mount
> > > > Pleasant worked
> > > > * the Mount Pleasant label starts at one end and finishes at the
> >
> > other?!
> >
> > > > * the many residential abutters look a bit messy
> > > >
> > > > With the Mount Pleasant label, I've found a similar effect happening
> >
> > when
> >
> > > > I
> > > > edit pub names. Open an osmarender SVG and try editing a name,
> > > > perhaps hitting enter to make the label cascade vertically to fit
> > > > better.
> >
> > Weird
> >
> > > > things happen!
> > >
> > > For things to look right when rendered with Osmarender it requires that
> >
> > all
> >
> > > segments in a way are ordered correctly and all pointing in the same
> > > direction.  The order and direction of segments is used to define the
> >
> > path
> >
> > > along which the road labels are drawn.
> >
> > In the new screenshot attached I deleted the 'Mount Pleasant' way,
> > checked that the segments are indeed all pointing in the same direction
> > (they were),
> > recreated the way by clicking on the segments in order, put in the
> > metadata,
> > saved and osmarendered the area. You can see the result... now am I doing
> > something wrong, or is this a bug in osmarender?
> >
> > The same applies to short roads and bendy roads, where the labels never
> > fit in
> > properly and sometimes go a bit nuts. It's not, so far as I can see, a
> > problem with the way the data is entered, but maybe I'm wrong?
> >
> > Kind regards,
> > Tom
> >
> > --
> > The task of critique is not to denounce the ideals, but to show their
> > transformation into ideologies, and to challenge the ideology in the
> > name of the betrayed ideal (Fromm – Beyond The Chains Of Illusion)
> >
> >
> > _______________________________________________
> > talk mailing list
> > talk at openstreetmap.org
> > http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/talk

-- 
The task of critique is not to denounce the ideals, but to show their 
transformation into ideologies, and to challenge the ideology in the 
name of the betrayed ideal (Fromm – Beyond The Chains Of Illusion)