[mapserver-users] Road shields on Mapserver 7
Stephen Woodbridge
woodbri at swoodbridge.com
Mon Feb 27 13:48:50 PST 2017
I think this explains how to do it:
http://gis.stackexchange.com/questions/157472/mapserver-symbol-v-line-style-that-automatically-follows-line-direction
On 2/27/2017 3:54 PM, Björn Danielsson wrote:
> Hello and thanks for answering!
>
> Look at the attached png.
> I would like to replace the '>' on the line with the little red arrow
> symbol at the top.
>
> 'Riktning' means direction. That is if the flow of the creek has the
> same direction as the 'flow' of the line, or not.
>
> Mapfile:
>
> CLASS
> NAME "bäck/dike"
> EXPRESSION ("[TYP]"="40")
> STYLE
> COLOR 0 0 255
> WIDTH 3
> END
>
> # STYLE
> # GEOMTRANSFORM "start"
> # SYMBOL "pil3"
> # SIZE 10
> # ANGLE AUTO
> # END
>
> LABEL
> EXPRESSION ("[riktning]"="R")
> TEXT ">"
> COLOR "#ffffff"
> OUTLINECOLOR "#0000ff"
> SIZE 10
> POSITION CC
> REPEATDISTANCE 75
> ANGLE AUTO2
> FORCE TRUE
> END
> LABEL
> EXPRESSION ("[riktning]"="F")
> TEXT "<"
> COLOR "#ffffff"
> OUTLINECOLOR "#0000ff"
> SIZE 10
> POSITION CC
> REPEATDISTANCE 75
> ANGLE AUTO2
> FORCE TRUE
> END
> LABEL
> TEXT "[text]"
> COLOR 0 0 255
> OUTLINECOLOR 255 255 255
> TYPE TRUETYPE
> FONT arial
> SIZE 8
> ANTIALIAS FALSE
> POSITION CC
> PARTIALS FALSE
> FORCE TRUE
> MINDISTANCE 0
> BUFFER 0
> ANGLE FOLLOW
> MAXOVERLAPANGLE 180
> OFFSET 7 99
> END
> END
>
> Björn Danielsson
>
> -----Original Message-----
> From: Stephen Woodbridge <woodbri at swoodbridge.com>
> To: mapserver-users at lists.osgeo.org
> Date: Mon, 27 Feb 2017 10:02:32 -0500
> Subject: Re: [mapserver-users] Road shields on Mapserver 7
>
> Don't use the geotransform labelpnt, in fact don't label it:
>
> symbol
> name "arrow-north"
> type truetype
> font arrows
> character ""
> filled true
> end
> LABEL
> ...
> CLASS
> STYLE
> COLOR "#444488"
> SIZE 8
> END
> END
> CLASS
> STYLE
> SYMBOL "arrow-north"
> GAP -60
> ANGLE -90
> COLOR "#555555"
> SIZE 8
> END
> END
> END
>
> -Steve W
>
> On 2/27/2017 4:04 AM, Björn Danielsson wrote:
> > Interesting discussion!
> > I have an issue with geotransform 'labelpnt' I so far have failed
> to solve.
> >
> > Consider a line that depicts a creek. Sometimes it is important to
> show
> > the direction of flow. That is mostly achieved on maps by placing
> arrows
> > along the creek showing which way the water flows.
> >
> > I have tried to use LABEL and GEOMTRANSFORM 'labelpoint' with an arrow
> > symbol and where the label has no text but has REPEATDISTANCE and
> ANGLE.
> > Problem is that the symbol is not affected by ANGLE ( neither FOLLOW,
> > AUTO or AUTO2 ). Does anybody know how to rotate labelpoint symbols or
> > is it not possible?.
> >
> > Plan B is to use a LABEL with TEXT = ">" which works fine but is not
> > that elegant.
> >
> > Björn D
> >
> >
> > -----Original Message-----
> > From: lars.schylberg at blixtmail.se
> <mailto:lars.schylberg%40blixtmail.se>
> > To: mapserver-users at lists.osgeo.org
> <mailto:mapserver-users%40lists.osgeo.org>
> > Date: Thu, 23 Feb 2017 21:15:36 +0100
> > Subject: Re: [mapserver-users] Road shields on Mapserver 7
> >
> > Hi,
> >
> > I more detail in my previous example the offset in the style block
> > is because the example is part of a block with three road shields
> > stacked.
> >
> > /Lars S.
> >
> > One single shield would be like this:
> >
> > LABEL
> > EXPRESSION ('[VAGNR1]' ~ '^[0-9][0-9]$' )
> > # Blue two digits
> > STYLE
> > GEOMTRANSFORM "labelpnt"
> > SYMBOL VAGNRBOX
> > COLOR 64 168 217
> > SIZE 10
> > END
> > TEXT '[VAGNR1]'
> > FONT 'sc'
> > TYPE truetype
> > POSITION cc
> > COLOR 255 255 255
> > SIZE 7
> > # FORCE: TRUE
> > REPEATDISTANCE 150
> > MINDISTANCE 300
> > PRIORITY 2
> > END
> >
> >
> >
> >
> ------------------------------------------------------------------------
> > -----Originalmeddelande-----
> > Från: lars.schylberg at blixtmail.se
> <mailto:lars.schylberg%40blixtmail.se>
> > <mailto:lars.schylberg at blixtmail.se
> <mailto:lars.schylberg%40blixtmail.se> >
> > Till: mapserver-users at lists.osgeo.org
> <mailto:mapserver-users%40lists.osgeo.org>
> > <mailto:mapserver-users at lists.osgeo.org
> <mailto:mapserver-users%40lists.osgeo.org>>
> > Datum: 2017-02-23 21:04
> > Ämne: Re: [mapserver-users] Road shields on Mapserver 7
> >
> >
> >
> > Hi,
> >
> > This is how I do it in MS7.0. This is just part of the class
> > with the first two labels. I have different shield
> depending on
> > the number of digits.
> > I also have different color depending on the color of the
> > shield. This is following European road label standard.
> >
> > /Lars S
> >
> >
> > CLASS
> > EXPRESSION ("[VAGNR1]" ~ "^[E0-9]*$" AND
> "[VAGNR2]"
> > ~ "^[E0-9]*$" AND "[VAGNR3]" ~ "^[E0-9]*$" )
> > LABEL
> > EXPRESSION ('[VAGNR1]' ~ '^E.$')
> > # first shield - green - one digit
> > STYLE
> > GEOMTRANSFORM "labelpnt"
> > SYMBOL VAGNRBOX
> > COLOR 115 179 115
> > OFFSET 0 -13
> > SIZE 10
> > END
> > TEXT '[VAGNR1]'
> > FONT 'sc'
> > TYPE truetype
> > POSITION CC
> > COLOR 255 255 255
> > SIZE 7
> > OFFSET 0 -13
> > REPEATDISTANCE 100
> > MINDISTANCE 100
> > PRIORITY 9
> > FORCE GROUP
> > END
> > LABEL
> > EXPRESSION ('[VAGNR1]' ~ '^E..$')
> > # first shield - green - two digits
> > STYLE
> > GEOMTRANSFORM "labelpnt"
> > SYMBOL VAGNRBOX_3TKN
> > COLOR 115 179 115
> > OFFSET 0 -13
> > SIZE 10
> > END
> > TEXT '[VAGNR1]'
> > FONT 'sc'
> > TYPE truetype
> > POSITION CC
> > COLOR 255 255 255
> > SIZE 7
> > OFFSET 0 -13
> > REPEATDISTANCE 100
> > MINDISTANCE 100
> > PRIORITY 9
> > FORCE GROUP
> > END
> >
> >
> ------------------------------------------------------------------------
> >
> >
> ------------------------------------------------------------------------
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> >
> >
> >
> > --
> >
> >
> >
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