Re: [mapserver-users] Label frame offset with leader line

[thomas bonfort]

It's a bug, you can open an issue for it.

--
thomas

On 15 September 2016 at 16:19, Stephen O'Connell
 wrote:
> Hello.
>
> I have a problem with label rendering Mapserver, and I haven't been able to
> find a solution myself.
>
> I'm rendering point labels with GEOMTRANSFORM 'labelpoly' to get a frame
> around the label. To get more labels to show, I have enabled LEADER so that
> labels are more likely to be visible but farther away from the point.
> However, when a label is moved away and attached with a LEADER, then the
> frame around the label gets an offset both vertically and horizontally. See
> the image https://www.dropbox.com/s/hwbt370d8371oqw/labeloffset.png?dl=0
> where the bottom left label has a leader, but the green frame is moved a few
> pixels down and to the right.
>
> Is the combination of LEADER and GEOMTRANSFORM 'labelpoly' not supported, or
> am I doing something wrong?
>
> Here is a section of my mapfile for the relevant layer:
>
> LABEL
> WRAP "!"
> ALIGN center
> TEXT ('[name]' + "!D116.7 " + '[ident]')
> MAXSCALEDENOM 2600064
> POSITION auto
> PARTIALS false
> SIZE 8
> COLOR 100 150 100
> TYPE truetype
> FONT vera
> FORCE false
> STYLE
> GEOMTRANSFORM 'labelpoly'
> OFFSET 2 2
> COLOR 150 200 150
> OUTLINECOLOR 150 200 150
> WIDTH 1
> OPACITY 100
> END
> STYLE
> GEOMTRANSFORM 'labelpoly'
> COLOR 255 255 255
> OUTLINECOLOR 150 200 150
> WIDTH 1
> OPACITY 95
> END
> END
> LEADER
> GRIDSTEP 40
> MAXDISTANCE 1000
> STYLE
> COLOR 150 200 150
> WIDTH 2
> END
> END
>
>
> I appreciate any assistance or comments.
>
> Kind regards,
>
> Stephen
>
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[mapserver-users] Label frame offset with leader line

[Stephen O'Connell]

Hello.

I have a problem with label rendering Mapserver, and I haven't been able 
to find a solution myself.


I'm rendering point labels with GEOMTRANSFORM 'labelpoly' to get a frame 
around the label. To get more labels to show, I have enabled LEADER so 
that labels are more likely to be visible but farther away from the 
point. However, when a label is moved away and attached with a LEADER, 
then the frame around the label gets an offset both vertically and 
horizontally. See the image 
https://www.dropbox.com/s/hwbt370d8371oqw/labeloffset.png?dl=0 where the 
bottom left label has a leader, but the green frame is moved a few 
pixels down and to the right.


Is the combination of LEADER and GEOMTRANSFORM 'labelpoly' not 
supported, or am I doing something wrong?


Here is a section of my mapfile for the relevant layer:

LABEL
WRAP "!"
ALIGN center
TEXT ('[name]' + "!D116.7 " + '[ident]')
MAXSCALEDENOM 2600064
POSITION auto
PARTIALS false
SIZE 8
COLOR 100 150 100
TYPE truetype
FONT vera
FORCE false
STYLE
GEOMTRANSFORM 'labelpoly'
OFFSET 2 2
COLOR 150 200 150
OUTLINECOLOR 150 200 150
WIDTH 1
OPACITY 100
END
STYLE
GEOMTRANSFORM 'labelpoly'
COLOR 255 255 255
OUTLINECOLOR 150 200 150
WIDTH 1
OPACITY 95
END
END
LEADER
GRIDSTEP 40
MAXDISTANCE 1000
STYLE
COLOR 150 200 150
WIDTH 2
END
END


I appreciate any assistance or comments.

Kind regards,

Stephen

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