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 <wood...@swoodbridge.com> To: mapserver-users@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.schylb...@blixtmail.se <mailto:lars.schylberg%40blixtmail.se> > To: mapserver-users@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]$' ) > # Blue two digits > STYLE > GEOMTRANSFORM "labelpnt" > SYMBOL VAGNRBOX > COLOR 64 168 217 > SIZE 10 > END > TEXT '[VAGNR1]' > FONT 'sc' > TYPE truetype > POSITION cc > COLOR 255 255 255 > SIZE 7 > # FORCE: TRUE > REPEATDISTANCE 150 > MINDISTANCE 300 > PRIORITY 2 > END > > > > ------------------------------------------------------------------------ > -----Originalmeddelande----- > Från: lars.schylb...@blixtmail.se <mailto:lars.schylberg%40blixtmail.se> > <mailto:lars.schylb...@blixtmail.se <mailto:lars.schylberg%40blixtmail.se> > > Till: mapserver-users@lists.osgeo.org <mailto:mapserver-users%40lists.osgeo.org> > <mailto:mapserver-users@lists.osgeo.org <mailto:mapserver-users%40lists.osgeo.org>> > Datum: 2017-02-23 21:04 > Ämne: Re: [mapserver-users] Road shields on Mapserver 7 > > > > Hi, > > This is how I do it in MS7.0. This is just part of the class > with the first two labels. I have different shield depending on > the number of digits. > I also have different color depending on the color of the > shield. This is following European road label standard. > > /Lars S > > > CLASS > EXPRESSION ("[VAGNR1]" ~ "^[E0-9]*$" 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 > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------ > _______________________________________________ > mapserver-users mailing list > mapserver-users@lists.osgeo.org <mailto:mapserver-users%40lists.osgeo.org> > <mailto:mapserver-users@lists.osgeo.org <mailto:mapserver-users%40lists.osgeo.org>> > https://lists.osgeo.org/mailman/listinfo/mapserver-users > > > > -- > > > > _______________________________________________ > mapserver-users mailing list > mapserver-users@lists.osgeo.org <mailto:mapserver-users%40lists.osgeo.org> > https://lists.osgeo.org/mailman/listinfo/mapserver-users > --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus _______________________________________________ mapserver-users mailing list mapserver-users@lists.osgeo.org <mailto:mapserver-users%40lists.osgeo.org> https://lists.osgeo.org/mailman/listinfo/mapserver-users
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