[Qgis-user] Symbolize Line with two symbols

2013-11-11 Thread Bernhard Ströbl

Dear list,

I am trying to use two different symbols to symbolize a line. The result 
should look like this:


x  o  x  o


solutions tried:
1) make a marker line (type interval) with two markers; result: the two 
markers are painted on top of each other
2) create svg symbol x  o ; result: the shape of the line cannot even be 
guessed if it has many bows in it


What I would need is a shift of symbol 2 _along_ the line (no in x/y 
direction)


Does anyone have a solution or workaround for this?

Bernhard




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Re: [Qgis-user] Symbolize Line with two symbols

2013-11-11 Thread Zirneklitis

The Marker Offset in X direction is what you are looking for.


Bernhard Ströbl wrote:

..
I am trying to use two different symbols to symbolize a line. The result
should look like this:

x  o  x  o


solutions tried:
1) make a marker line (type interval) with two markers; result: the two
markers are painted on top of each other
..
What I would need is a shift of symbol 2 _along_ the line (no in x/y
direction)
..

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Re: [Qgis-user] Symbolize Line with two symbols

2013-11-11 Thread Zirneklitis

Hi,

Try to combine simple line  (use custom dash (e.g. Dash/Spacing = 0/2; 
1/2)) with marker line (use appropriate size and interval (e.g. 
interval=5)).


Best regards,
Karlis

Bernhard Ströbl wrote:

..

and thank you for the answer. I had already tried this solution (2) but
as I mentioned in my original mail if the lines have many corners
(partly with 90 degrees) the second symbol is not on the line any more.
example:
..
attachment: comlex_line.png___
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Re: [Qgis-user] Symbolize Line with two symbols

2013-11-11 Thread Bernhard Ströbl

Hi,

and thank you for your patience. Maybe I miss something but I want two 
symbols e.g. a large and a small circle iterating, not a dashed line 
with a symbol.


Bernhard

Am 11.11.2013 14:42, schrieb Zirneklitis:

Hi,

Try to combine simple line (use custom dash (e.g. Dash/Spacing = 0/2;
1/2)) with marker line (use appropriate size and interval (e.g.
interval=5)).

Best regards,
Karlis

Bernhard Ströbl wrote:

..

and thank you for the answer. I had already tried this solution (2) but
as I mentioned in my original mail if the lines have many corners
(partly with 90 degrees) the second symbol is not on the line any more.
example:
..




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http://www.eset.com



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Re: [Qgis-user] Symbolize Line with two symbols

2013-11-11 Thread Andreas Neumann
Hi Bernhard,

I think you are right - we are missing an option to shift marker symbols
and also dashes along the line, starting from the lines origin.

SVG has an attribute called stroke-dashoffset for that
(http://www.w3.org/TR/SVG/painting.html#StrokeProperties). There is a
long-standing feature request open to implement this (4 years old):
http://hub.qgis.org/issues/1772

This covers stroke-dashoffset, but not the cases where one wants to
offset markers along the line.

It would be nice if someone could step up and implement or finance this.

Andreas

Am 11.11.2013 15:16, schrieb Bernhard Ströbl:
 Hi,
 
 and thank you for your patience. Maybe I miss something but I want two
 symbols e.g. a large and a small circle iterating, not a dashed line
 with a symbol.
 
 Bernhard
 
 Am 11.11.2013 14:42, schrieb Zirneklitis:
 Hi,

 Try to combine simple line (use custom dash (e.g. Dash/Spacing = 0/2;
 1/2)) with marker line (use appropriate size and interval (e.g.
 interval=5)).

 Best regards,
 Karlis

 Bernhard Ströbl wrote:
 ..

 and thank you for the answer. I had already tried this solution (2) but
 as I mentioned in my original mail if the lines have many corners
 (partly with 90 degrees) the second symbol is not on the line any more.
 example:
 ..



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 http://www.eset.com



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Re: [Qgis-user] Symbolize Line with two symbols

2013-11-11 Thread Zirneklitis

While we are waiting for implementation, here comes the work-around ;-)

Best regards,
Karlis

Paolo Cavallini wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Il 11/11/2013 15:48, Andreas Neumann ha scritto:


It would be nice if someone could step up and implement or finance this.


Confirmed, there is interest from here too.
All the best.
..
attachment: tic-tac-toe.png

tic-tac-toe.qml.7z
Description: application/7z-compressed
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Re: [Qgis-user] Symbolize Line with two symbols

2013-11-11 Thread Bernhard Ströbl

Hi,

now I understand :-)
nice trick, thanks a lot

Bernhard

Am 11.11.2013 16:02, schrieb Zirneklitis:

While we are waiting for implementation, here comes the work-around ;-)

Best regards,
Karlis

Paolo Cavallini wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Il 11/11/2013 15:48, Andreas Neumann ha scritto:


It would be nice if someone could step up and implement or finance this.


Confirmed, there is interest from here too.
All the best.
..




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signature database 9031 (2013) __

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