[Qgis-user] Dashed lines with adjacent polygons

[maning sambale]

A solution I use is with the New Symbology, I create two lines for the
polygon (Outline: Simple Line).
The first line on top is the dashed line.  The second line below is
white solid line or any background color with the same thickness or
larger than the dashed line on top (similar to a halo/buffer effect on
texts).
The white will cover the first overlapping polygon and will only show
the polygon on top.

On Thu, Feb 14, 2013 at 10:08 PM, HAUBOURG
<regis.haubourg at eau-adour-garonne.fr> wrote:
> Hi +1,
>
> When using dashed lines too, overlaying dashed line results in continuous
> line on screen. Since keeping cumulative transparency of objects within the
> same layer is important to me, I don’t really see what we could do except
> using topology to display common boundaries only once. I have not tried this
> yet with postgis, and it is a bit heavy for such a small issue.
>
> Any ideas?
>
>
>
> régis
>
>
>
> De : qgis-user-bounces at lists.osgeo.org
> [mailto:qgis-user-bounces at lists.osgeo.org] De la part de Olivier Dalang
> Envoyé : jeudi 14 février 2013 14:19
> À : qgis-user at lists.osgeo.org
> Objet : [Qgis-user] Dashed lines with adjacent polygons
>
>
>
> Hi !
>
>
>
> Is there a way to make dashed line between two polygons display well ?
> (typical use scenario : boundary between countries)
>
>
>
> Since there are two superposed lines, the line sometimes appear dashed,
> sometimes solid, sometimes dashed but not with the right pattern...
>
>
>
> Of course, one could use a line layer to draw this, but then it's more
> complex to maintain.
>
>
>
> The same problem appears for transparent lines.
>
>
>
> Any ideas ?
>
>
>
> Thanks !!
>
>
>
> Olivier
>
>
>
>
>
>
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-- 
cheers,
maning
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