[mapserver-users] duplicate labels
Andy Colson
andy at squeakycode.net
Fri Jul 17 12:33:06 PDT 2009
Lars Lingner wrote:
> Andy Colson schrieb:
>> Lars Lingner wrote:
>>> Andy Colson schrieb:
>>>> Hi All,
>>>>
>>>>
>>>> Here is a screen shot:
>>>>
>>>> http://maps.camavision.com/map.jpg
>>>>
>>>>
>>>> There are, as far as I can tell, 4 lines. The label is duplicating and
>>>> I dont want it too. Here is the layer from the mapfile:
>>>>
>>>>
>>>> LAYER
>>>> NAME annotate_pin
>>>> TYPE line
>>>> STATUS on
>>>> CLASS
>>>> NAME "HIGHLIGHT"
>>>> STYLE
>>>> COLOR 0 255 0
>>>> OUTLINECOLOR 0 255 0
>>>> WIDTH 3
>>>> END
>>>> LABEL
>>>> TYPE truetype
>>>> FONT "Vera"
>>>> SIZE 10
>>>> COLOR 0 0 0
>>>> ANGLE follow
>>>> POSITION auto
>>>> BACKGROUNDCOLOR 255 255 255
>>>> MINDISTANCE 900
>>>> END
>>>> END
>>>> END
>>>>
>>>>
>>>> I have played with MINDISTANCE from 0 to 99,000 and it does not seem to
>>>> make a difference. I googled a little but have not found a useful
>>>> answer.
>>>>
>>> If you want to use MINDISTANCE you have to set the SIZEUNITS parameter
>>> at layer level like this:
>>>
>>> LAYER
>>> ...
>>> SIZEUNITS meters # one of [pixels|feet|inches|kilometers|meters|miles]
>>> ...
>>> LABEL
>>> ...
>>> MINDISTANCE 500
>>> ...
>>> END
>>> ...
>>> END
>>>
>>> So the label wouldn't repeated for distances smaller than 500 meter.
>>>
>>>
>>> Lars
>>> _______________________________________________
>>> mapserver-users mailing list
>>> mapserver-users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>> That didn't seem to work. It made all my fonts really small, but the
>> labels still duped.
>>
>
> Do you have at MAP level the UNITS parameter?
> [feet|inches|kilometers|meters|miles|dd]
Yes, its feet.
>
> Please try that, I should have told you that in my last reply ;)
>
> also: which projection have you set at MAP level?
PROJECTION
"init=epsg:3417"
END
>
>> The help says layer.sizeUnits "Sets the unit of CLASS object SIZE", does
>> that include label font size?
>
> it sets the unit of the object size, not the size itself. The font size
> is controlled by the SIZE parameter (LABEL object)
>
Then why did the labels font size change?
>> It defaults to pixels, yes? Wouldnt a really big MINDISTANCE still have
>> removed dups?
>>
>
> Not necessarily... Often they are different in orders of magnitude
>
Here is my entire mapfile, the annotate_pin layer is at the bottom:
MAP
NAME bremer
SIZE 800 800
UNITS feet
SHAPEPATH '/pub/maps/bremerIA'
FONTSET "/pub/www/fonts/fonts.txt"
# full extent
EXTENT 5166680.718750 3687027.837500 5306080.031250 3802972.662500
# testing
#EXTENT 5191357.283967 3726454.400032 5205566.339522 3738272.725606
PROJECTION
"init=epsg:3417"
END
IMAGECOLOR 192 192 192
IMAGEQUALITY 95
IMAGETYPE jpeg
OUTPUTFORMAT
NAME jpeg
DRIVER 'GD/JPEG'
MIMETYPE 'image/jpeg'
#IMAGEMODE PC256
EXTENSION 'jpeg'
END
LEGEND
IMAGECOLOR 255 255 255
STATUS ON
KEYSIZE 18 12
LABEL
TYPE BITMAP
SIZE MEDIUM
COLOR 0 0 89
END
END
WEB
IMAGEPATH '/tmp/'
IMAGEURL '/tmp/'
METADATA
'wms_title' 'bremer'
'wms_onlineresource' 'http://my.host.com/cgi-bin/mapserv?map=wms.map&'
'wms_srs' 'EPSG:3417'
END
END
#Circle symbol
SYMBOL
NAME 'CIRCLE'
TYPE ellipse
FILLED true
POINTS
1 1
END
END
LAYER
NAME "raster"
STATUS off
TILEINDEX "raster.shp"
TILEITEM "location"
TYPE RASTER
END
LAYER
NAME 'parcel_point'
STATUS off
TYPE POINT
CONNECTIONTYPE postgis
CONNECTION "dbname=gis user=andy"
DATA 'the_geom FROM bremeria.parcelpoint using unique gid using srid=3417'
PROCESSING "CLOSE_CONNECTION=DEFER"
METADATA
'wms_title' 'parcelpoint'
END
TRANSPARENCY 100
LABELITEM pin
PROJECTION
"init=epsg:3417"
END
CLASS
NAME 'parcelpoint'
STYLE
SYMBOL 'CIRCLE'
SIZE 1
OUTLINECOLOR 0 0 0
COLOR 150 123 90
END
LABEL
TYPE truetype
FONT "Vera"
SIZE 7
COLOR 0 0 0
#BACKGROUNDCOLOR 255 255 255
#BUFFER 3
#ANGLE 45
POSITION auto
PARTIALS false
#FORCE true
END
END
END
LAYER
NAME 'parcels'
TYPE POLYGON
CONNECTIONTYPE postgis
CONNECTION "dbname=gis user=andy"
DATA 'the_geom FROM bremeria.parcelpoly using unique gid using srid=3417'
PROCESSING "CLOSE_CONNECTION=DEFER"
METADATA
'wms_title' 'parcelpoly'
END
STATUS off
TRANSPARENCY 100
PROJECTION
"init=epsg:3417"
END
CLASS
NAME 'parcelpoly'
STYLE
SYMBOL 0
SIZE 2
OUTLINECOLOR 0 0 0
COLOR 229 210 191
END
END
END
LAYER
NAME 'cadastral_line'
TYPE LINE
CONNECTIONTYPE postgis
CONNECTION "dbname=gis user=andy"
DATA 'the_geom FROM bremeria.cadastral_line using unique gid using
srid=3417'
PROCESSING "CLOSE_CONNECTION=DEFER"
METADATA
'wms_title' 'cadastral_line'
END
STATUS on
TRANSPARENCY 100
PROJECTION
"init=epsg:3417"
END
CLASSITEM 'alphatag'
CLASS
NAME 'alphatag = '
EXPRESSION ''
STYLE
SYMBOL 0
SIZE 2
OUTLINECOLOR 0 0 0
COLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Corp Line'
EXPRESSION 'Corp Line'
STYLE
SYMBOL 0
SIZE 2
COLOR 177 214 186
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = County Line'
EXPRESSION 'County Line'
STYLE
SYMBOL 0
SIZE 2
COLOR 124 53 190
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Geo Twp Line'
EXPRESSION 'Geo Twp Line'
STYLE
SYMBOL 0
SIZE 2
COLOR 120 117 243
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Lot Line'
EXPRESSION 'Lot Line'
STYLE
SYMBOL 0
SIZE 2
COLOR 190 28 153
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Misc Line'
EXPRESSION 'Misc Line'
STYLE
SYMBOL 0
SIZE 2
COLOR 99 188 156
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Parcel Line'
EXPRESSION 'Parcel Line'
STYLE
SYMBOL 0
SIZE 2
COLOR 146 93 39
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Pol Twp Line'
EXPRESSION 'Pol Twp Line'
STYLE
SYMBOL 0
SIZE 2
COLOR 58 109 205
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Railroad Centerline'
EXPRESSION 'Railroad Centerline'
STYLE
SYMBOL 0
SIZE 2
COLOR 132 253 192
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Railroad ROW'
EXPRESSION 'Railroad ROW'
STYLE
SYMBOL 0
SIZE 2
COLOR 148 148 148
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Road Centerline'
EXPRESSION 'Road Centerline'
STYLE
SYMBOL 0
SIZE 2
COLOR 126 17 179
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Road ROW'
EXPRESSION 'Road ROW'
STYLE
SYMBOL 0
SIZE 2
COLOR 129 38 243
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Section Line'
EXPRESSION 'Section Line'
STYLE
SYMBOL 0
SIZE 2
COLOR 37 231 177
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Sub Line 100'
EXPRESSION 'Sub Line 100'
STYLE
SYMBOL 0
SIZE 2
COLOR 78 109 18
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Sub Line 400'
EXPRESSION 'Sub Line 400'
STYLE
SYMBOL 0
SIZE 2
COLOR 247 175 40
OUTLINECOLOR 0 0 0
END
END
CLASS
NAME 'alphatag = Water Line'
EXPRESSION 'Water Line'
STYLE
SYMBOL 0
SIZE 2
COLOR 0 0 255
OUTLINECOLOR 0 0 0
END
END
END
LAYER
NAME annotate_pin
TYPE line
STATUS on
# if I comment the SIZEUNITS out it only changes the label size
SIZEUNITS feet
CLASS
NAME "HIGHLIGHT"
STYLE
COLOR 0 255 0
OUTLINECOLOR 0 255 0
WIDTH 3
END
LABEL
TYPE truetype
FONT "Vera"
SIZE 10
COLOR 0 0 0
BACKGROUNDCOLOR 255 255 255
ANGLE follow
POSITION auto
PARTIALS false
MINDISTANCE 95000
END
END
END
END
Thanks for the help,
-Andy
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