[mapserver-users] Different SIZEUNITS for line width and label fontsize

[thomas bonfort]

Hi again,

using:
size 8
minsize 8
maxsize 8

is *exactly* the same as using only size 8 with pixel sizeunits
i.e. this effectively prevents the labels scaling at all

regards,
thomas

On Tue, Feb 3, 2009 at 12:41, Vladimir Cvejanovic
<vladimir at gessolutions.com> wrote:
> Hi Thomas,
>
> Thanks for your reply. I have already plaid around with MINSIZE and MAXSIZE.
> They are a good way to avoid the labels being displayed when they are too
> small to read. Also coupled with MINSCALE and MAXSCALE class definitions I
> was able to set up three classes for large, medium and small text depending
> on the scale used.
>
> This isn't a bad solution at all but I wanted to see if there is away to
> prevent the labels scaling at all within the same layer definition as the
> scalable (real-world sized) lines.
>
> Thanks,
> Vladimir
>
>
> thomas bonfort wrote:
>>
>> hi,
>> you can use minsize and maxsize in your label: these are always pixels:
>>
>> size 8
>> minszie 8
>> maxsize 8
>>
>> regards,
>> thomas
>>
>> On Tue, Feb 3, 2009 at 12:17, Vladimir Cvejanovic
>> <vladimir at gessolutions.com> wrote:
>>
>>>
>>> Hi All,
>>>
>>> In the Mapfile, Is it possible to have different SIZEUNTIS for line width
>>> and label font in the same layer? The example is below.
>>>
>>> I have managed to solve this by defining two layers one which only
>>> displays
>>> the line and one which only displays the labels however this seems like a
>>> hack and very inefficient from a processing / querying point of view.
>>>
>>> The context is a line layer containing road lines which have a width in
>>> meters but labels in pixels. This would make things scale nicely Can this
>>> be
>>> done? Does anyone have a better approach?
>>>
>>> Thanks,
>>> Vladimir
>>>
>>> LAYER
>>>  NAME 'highway'
>>>  TYPE LINE
>>>  DATA 'highway.shp'
>>>
>>>  STATUS DEFAULT
>>>  TRANSPARENCY 30
>>>
>>>  LABELITEM "NAME"
>>>  SIZEUNITS meters
>>>
>>>  CLASS
>>>     NAME 'highway'
>>>     STYLE
>>>       WIDTH 5 #WANT THESE TO BE METERS
>>>       COLOR 55 55 55
>>>     END
>>>     LABEL
>>>      TYPE TRUETYPE
>>>      FONT FreeSans
>>>      SIZE 08 # WANT THESE TO BE PIXELS
>>>      COLOR 0 0 0
>>>      OUTLINECOLOR 255 255 255
>>>      ANTIALIAS TRUE
>>>      ANGLE AUTO
>>>      MINFEATURESIZE AUTO
>>>      FORCE true
>>>    END
>>>  END
>>>  END
>>> _______________________________________________
>>> mapserver-users mailing list
>>> mapserver-users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>>
>>>
>
>