[mapserver-users] The next local (Saint Paul/Metro Area) OSGeo Chapter (TCMUG) meet up.

[Basques, Bob (CI-StPaul)]

All,

There was a good turnout for the last meeting at the New Bohemia.

The next meet up is scheduled for Oct. 23rd at the 
Bulldog in Lowertown Saint Paul, Mn.  Come 
joins us for a drink and discussion of your favorite Open Source project.

Note: This is a quicker turn around than normal, but will accomodate some out 
of town visitors.

Time:  4:30PM

Location:

https://www.google.com/maps/place/The+Bulldog+Lowertown/@44.9501653,-93.0881185,15z/data=!4m12!1m6!3m5!1s0x0:0xbbbf45c9e8201a4d!2sThe+Bulldog+Lowertown!8m2!3d44.9501653!4d-93.0881185!3m4!1s0x0:0xbbbf45c9e8201a4d!8m2!3d44.9501653!4d-93.0881185






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Re: [mapserver-users] php Mapscript queryByAttributes

[Lime, Steve D (MNIT)]

I'll create a ticket...

Another approach would be to use the NATIVE_FILTER processing key at the layer 
level. This allows you to write a filter in native SQL. I believe you can set 
and unset processing keys in mapscript. Code would be something like (in perl):

  $layer->{processing}->set("NATIVE_FILTER", "gid IN (1,2,3)");
  $query_layer->queryByAttributes("gid", "(1=1)");
  $layer->{processing}->remove("NATIVE_FILTER");

That should result in a query like ... gid IN (1,2,3) AND 1=1 being executed.

Steve

-Original Message-
From: Sven Schroeter [mailto:schroe...@netgis.de] 
Sent: Thursday, October 12, 2017 8:05 AM
To: Lime, Steve D (MNIT) ; 'Carlos Ruiz' 
; mapserver-users@lists.osgeo.org
Subject: AW: RE: [mapserver-users] php Mapscript queryByAttributes

Hi Steve and Carlos,

thanks for your support. 

When I understand it correctly, I can not use the IN operator in conjunction 
with queryByAttributes in Mapserver 7 (mapscript) ?
I use this function so far for the transfer of different IDs (whether integer 
or string) to read out a subset of POSTGIS tables.
I have now tried the following and it works:

$qstring = "([gid] = '1' || [gid] = '2' || [gid] = '4' || [gid] = '11')";
$query_layer->queryByAttributes("gid",$qstring,MS_MULTIPLE);

Maybe it is possible to get the IN operator back in the future?

Sven


Von: Lime, Steve D (MNIT) [mailto:steve.l...@state.mn.us] 
Gesendet: Mittwoch, 11. Oktober 2017 23:33
An: Carlos Ruiz; mapserver-users@lists.osgeo.org; Sven Schroeter
Betreff: RE: RE: [mapserver-users] php Mapscript queryByAttributes

Ugh, my bad. At least with the LIKE operator it’s because MapServer doesn’t 
support it. Using a regex should work depending on your back-end. Which reminds 
me, which backend are you using? I need to investigate the IN operator. It 
maybe that I can come up with a work around for Sven using the native SQL that 
worked previously since that can still be set as a processing option. Will 
report back…

Steve

From: Carlos Ruiz [mailto:boolean10...@yahoo.com] 
Sent: Wednesday, October 11, 2017 4:03 PM
To: mapserver-users@lists.osgeo.org; Sven Schroeter ; 
Lime, Steve D (MNIT) 
Subject: Re: RE: [mapserver-users] php Mapscript queryByAttributes

Hey Steve,

> the IN operator works off a delimited list, try queryByAttributes("gid", 
> "([gid] IN ‘100,101’)", MS_MULTIPLE);. Any whitespace > is considered part of 
> the tokens in a list.

I have tried this and it doesn't work. There's a query error because Mapserver 
try to add the following: and ("gid"'100,101')

> This is close, it’s a logical expression but you’re comparing a number 
> against a string. It should be 
> queryByAttributes("municipio", "(‘[municipio]’ LIKE 'G%')", MS_MULTIPLE);

I have tried this and it doesn't work. There's a query error because Mapserver 
try to add the following: and ("municipio"::text'G%')

Maybe this happens because the MS4W version (3.1.3) with Mapserver CGI 7.0.1


On Wednesday, October 11, 2017, 2:31:41 PM CDT, Lime, Steve D (MNIT) 
 wrote: 


The query syntax is given in MapServer expression syntax. I think there’s a 
logical expression for why you’re seeing these results:
 
  queryByAttributes("gid", "gid > 100", MS_MULTIPLE) // does not found anything
 
is evaluated as gid = “gid > 100”. Valid but not what you’re looking for. Your 
last example is the right way to do it - queryByAttributes("gid", "([gid] > 
100)", MS_MULTIPLE);. If MapServer sees the qstring is a logical expression 
then it ignores the qitem.
  queryByAttributes("gid", "100", MS_MULTIPLE) // found one result
 
is evaluated as gid = 100 which makes sense.
 
  queryByAttributes("municipio", "'GUADALAJARA'", MS_MULTIPLE) // found one 
result
 
is evaluated as municipio = GUADALAJARA which makes sense. I don’t think you 
need the interior quotes around GUADALAJARA though.
 
  queryByAttributes("municipio", "municipio LIKE 'G%'", MS_MULTIPLE) // does 
not found anything
 
like the first example this evaluates as municipio = "municipio LIKE 'G%'", not 
what you want. See below…
 
  queryByAttributes("gid", "([gid] IN (100, 101))", MS_MULTIPLE); // query error
 
the IN operator works off a delimited list, try queryByAttributes("gid", 
"([gid] IN ‘100,101’)", MS_MULTIPLE);. Any whitespace is considered part of the 
tokens in a list.
 
  queryByAttributes("municipio", "([municipio] LIKE 'G%')", MS_MULTIPLE); // 
query error
 
This is close, it’s a logical expression but you’re comparing a number against 
a string. It should be queryByAttributes("municipio", "(‘[municipio]’ LIKE 
'G%')", MS_MULTIPLE);
 
Steve
 
From: mapserver-users [mailto:mapserver-users-boun...@lists.osgeo.org] On 
Behalf Of Carlos Ruiz
Sent: Wednesday, October 11, 2017 1:36 PM
To: mapserver-users@lists.osgeo.org; Sven Schroeter 
Subject: Re: [mapserver-users] php Mapscript queryByAttributes
 
Sven,
 
Doing 

Re: [mapserver-users] Stop CLUSTERING beyond scale

[pe_lord]

Ok. But does the getfeatureinfo able to go through a group? 



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Re: [mapserver-users] php Mapscript queryByAttributes

[Sven Schroeter]

Hi Steve and Carlos,

thanks for your support. 

When I understand it correctly, I can not use the IN operator in conjunction 
with queryByAttributes in Mapserver 7 (mapscript) ?
I use this function so far for the transfer of different IDs (whether integer 
or string) to read out a subset of POSTGIS tables.
I have now tried the following and it works:

$qstring = "([gid] = '1' || [gid] = '2' || [gid] = '4' || [gid] = '11')";
$query_layer->queryByAttributes("gid",$qstring,MS_MULTIPLE);

Maybe it is possible to get the IN operator back in the future?

Sven


Von: Lime, Steve D (MNIT) [mailto:steve.l...@state.mn.us] 
Gesendet: Mittwoch, 11. Oktober 2017 23:33
An: Carlos Ruiz; mapserver-users@lists.osgeo.org; Sven Schroeter
Betreff: RE: RE: [mapserver-users] php Mapscript queryByAttributes

Ugh, my bad. At least with the LIKE operator it’s because MapServer doesn’t 
support it. Using a regex should work depending on your back-end. Which reminds 
me, which backend are you using? I need to investigate the IN operator. It 
maybe that I can come up with a work around for Sven using the native SQL that 
worked previously since that can still be set as a processing option. Will 
report back…

Steve

From: Carlos Ruiz [mailto:boolean10...@yahoo.com] 
Sent: Wednesday, October 11, 2017 4:03 PM
To: mapserver-users@lists.osgeo.org; Sven Schroeter ; 
Lime, Steve D (MNIT) 
Subject: Re: RE: [mapserver-users] php Mapscript queryByAttributes

Hey Steve,

> the IN operator works off a delimited list, try queryByAttributes("gid", 
> "([gid] IN ‘100,101’)", MS_MULTIPLE);. Any whitespace > is considered part of 
> the tokens in a list.

I have tried this and it doesn't work. There's a query error because Mapserver 
try to add the following: and ("gid"'100,101')

> This is close, it’s a logical expression but you’re comparing a number 
> against a string. It should be 
> queryByAttributes("municipio", "(‘[municipio]’ LIKE 'G%')", MS_MULTIPLE);

I have tried this and it doesn't work. There's a query error because Mapserver 
try to add the following: and ("municipio"::text'G%')

Maybe this happens because the MS4W version (3.1.3) with Mapserver CGI 7.0.1


On Wednesday, October 11, 2017, 2:31:41 PM CDT, Lime, Steve D (MNIT) 
 wrote: 


The query syntax is given in MapServer expression syntax. I think there’s a 
logical expression for why you’re seeing these results:
 
  queryByAttributes("gid", "gid > 100", MS_MULTIPLE) // does not found anything
 
is evaluated as gid = “gid > 100”. Valid but not what you’re looking for. Your 
last example is the right way to do it - queryByAttributes("gid", "([gid] > 
100)", MS_MULTIPLE);. If MapServer sees the qstring is a logical expression 
then it ignores the qitem.
  queryByAttributes("gid", "100", MS_MULTIPLE) // found one result
 
is evaluated as gid = 100 which makes sense.
 
  queryByAttributes("municipio", "'GUADALAJARA'", MS_MULTIPLE) // found one 
result
 
is evaluated as municipio = GUADALAJARA which makes sense. I don’t think you 
need the interior quotes around GUADALAJARA though.
 
  queryByAttributes("municipio", "municipio LIKE 'G%'", MS_MULTIPLE) // does 
not found anything
 
like the first example this evaluates as municipio = "municipio LIKE 'G%'", not 
what you want. See below…
 
  queryByAttributes("gid", "([gid] IN (100, 101))", MS_MULTIPLE); // query error
 
the IN operator works off a delimited list, try queryByAttributes("gid", 
"([gid] IN ‘100,101’)", MS_MULTIPLE);. Any whitespace is considered part of the 
tokens in a list.
 
  queryByAttributes("municipio", "([municipio] LIKE 'G%')", MS_MULTIPLE); // 
query error
 
This is close, it’s a logical expression but you’re comparing a number against 
a string. It should be queryByAttributes("municipio", "(‘[municipio]’ LIKE 
'G%')", MS_MULTIPLE);
 
Steve
 
From: mapserver-users [mailto:mapserver-users-boun...@lists.osgeo.org] On 
Behalf Of Carlos Ruiz
Sent: Wednesday, October 11, 2017 1:36 PM
To: mapserver-users@lists.osgeo.org; Sven Schroeter 
Subject: Re: [mapserver-users] php Mapscript queryByAttributes
 
Sven,
 
Doing some tests, queryByAttributes does not accept LIKE nor IN, just single 
values or simple operators (I am using PostGIS).
 
queryByAttributes("gid", "gid > 100", MS_MULTIPLE) // does not found anything
queryByAttributes("gid", "100", MS_MULTIPLE) // found one result
queryByAttributes("municipio", "'GUADALAJARA'", MS_MULTIPLE) // found one result
queryByAttributes("municipio", "municipio LIKE 'G%'", MS_MULTIPLE) // does not 
found anything
queryByAttributes("gid", "([gid] IN (100, 101))", MS_MULTIPLE); // query error
queryByAttributes("municipio", "([municipio] LIKE 'G%')", MS_MULTIPLE); // 
query error
queryByAttributes("gid", "([gid] > 100)", MS_MULTIPLE); // found 25 results
 
MS4W version is 3.1.3
 
Try to solve it by using FILTER, which allows more complex expressions:
 
$layer->setFilter("gid IN (100, 101)");
 
 

Re: [mapserver-users] Stop CLUSTERING beyond scale

[Rahkonen Jukka (MML)]

Hi,

I would say that the answer to your question is "No" but you do not need to be 
sad because you can do it in a different way bay making a scale dependent layer 
group. 

LAYER
GROUP "MY_FEATURES" 
NAME "WITH_CLUSTERS"
MINSCALEDENOM 2
...
END

LAYER
GROUP "MY_FEATURES" 
NAME "WITHOUT_CLUSTERS_FOR_FORCING_THE_LABELS"
MAXSCALEDENOM 2
...
LABEL
FORCE TRUE
...
END #LABEL
...
END #LAYER

-Jukka Rahkonen-


-Alkuperäinen viesti-
Lähettäjä: mapserver-users [mailto:mapserver-users-boun...@lists.osgeo.org] 
Puolesta pe_lord
Lähetetty: 12. lokakuuta 2017 15:40
Vastaanottaja: mapserver-users@lists.osgeo.org
Aihe: [mapserver-users] Stop CLUSTERING beyond scale

Hi list,

I would like to know if it is possible beyond a scale denom to  stop 
clustering. I have this issue because I cluster some overlapping point and it 
is impossible to symbolize the individually when they are clusterized...

I'm looking for this kind of feature:

CLUSTER
 MAXDISTANCE 20  # in pixels
 REGION "ellipse"  # can be rectangle or ellipse
 MINSCALEDENOM 2000  # At 1:2000, Mapserver stops clustering?
END


At this time, as an alternative, I use scaletoken managing various query to 
postgis. But this query is in mapunits, not in pixels...

Thanks!






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Re: [mapserver-users] Force labels uppercase

[Seth G]

Hi,

Are you missing a bracket at the end of your expression?

EXPRESSION (upper("[NAME]"))

Also maybe check that the following hard coded string works?

EXPRESSION (upper("test"))

Regards,

Seth

--
web:http://geographika.co.uk
twitter: @geographika

On Thu, Oct 12, 2017, at 01:59 PM, Anton Bakker wrote:
> Hi list,
> 
> I am trying to set a label to uppercase in my mapfile (example
> https://i.imgur.com/ExRZhia.png). Seems it is already implemented
> (https://github.com/mapserver/mapserver/issues/4255), but I cannot figure
> out how use it.
> 
> The comments in the issue seem to hint at an expression element in the
> label element:
> 
> LABEL
>   TYPE TRUETYPE
>   ALIGN LEFT
>   ANGLE AUTO
>   ANTIALIAS TRUE
>   BUFFER 2
>   COLOR 107 107 108
>   FONT arial
>   MINDISTANCE 200
>   MINFEATURESIZE AUTO
>   PARTIALS FALSE
>   POSITION AUTO
>   PRIORITY 10
>   SIZE 14
>   EXPRESSION (upper("[NAME]")
> END
> 
> But this did not work for me. Anybody knows how to force labels to appear
> in uppercase? 
> 
> Thanks!
> 
> Kind regards,
> Anton
> 
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[mapserver-users] Stop CLUSTERING beyond scale

[pe_lord]

Hi list,

I would like to know if it is possible beyond a scale denom to  stop
clustering. I have this issue because I cluster some overlapping point and
it is impossible to symbolize the individually when they are clusterized...

I'm looking for this kind of feature:

CLUSTER
 MAXDISTANCE 20  # in pixels
 REGION "ellipse"  # can be rectangle or ellipse
 MINSCALEDENOM 2000  # At 1:2000, Mapserver stops clustering?
END


At this time, as an alternative, I use scaletoken managing various query to
postgis. But this query is in mapunits, not in pixels...

Thanks!






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Re: [mapserver-users] Force labels uppercase

[Rahkonen Jukka (MML)]

Hi,

By trial and error and with a little help from 
http://www.mapserver.org/mapfile/expressions.html#expressions this line gives 
me a lowercase label

TEXT (lower("[ATTRIBUTE]"))

Looks rather similar to your request despite that I have TEXT and  I counted 
the brackets to match.

-Jukka Rahkonen-


-Alkuperäinen viesti-
Lähettäjä: mapserver-users [mailto:mapserver-users-boun...@lists.osgeo.org] 
Puolesta Anton Bakker
Lähetetty: 12. lokakuuta 2017 14:59
Vastaanottaja: mapserver-users@lists.osgeo.org
Aihe: [mapserver-users] Force labels uppercase

Hi list,

I am trying to set a label to uppercase in my mapfile (example 
https://i.imgur.com/ExRZhia.png). Seems it is already implemented 
(https://github.com/mapserver/mapserver/issues/4255), but I cannot figure out 
how use it.

The comments in the issue seem to hint at an expression element in the label 
element:

LABEL
  TYPE TRUETYPE
  ALIGN LEFT
  ANGLE AUTO
  ANTIALIAS TRUE
  BUFFER 2
  COLOR 107 107 108
  FONT arial
  MINDISTANCE 200
  MINFEATURESIZE AUTO
  PARTIALS FALSE
  POSITION AUTO
  PRIORITY 10
  SIZE 14
  EXPRESSION (upper("[NAME]")
END

But this did not work for me. Anybody knows how to force labels to appear in 
uppercase? 

Thanks!

Kind regards,
Anton

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Re: [mapserver-users] Polygon border with marker line symbol

[Rahkonen Jukka (MML)]

Hi,

I do not know of any automatic method that prevents the duplicate drawing. With 
simple symbology of solid, opaque lines there is no need to do anything because 
the result looks the same anyway. For advanced symbology a simple rendering 
trick with a solid, opaque background may give good result for some kind of 
symbology but sometimes nothing else helps but to remove the overlapping 
segments permanently from the data that is used for rendering the borders.

I believe that there are some examples with images about the "line with white 
background and symbols above that trick" in gis.stackexchange but this answer 
is just literal
https://gis.stackexchange.com/questions/171182/how-to-make-dashed-lines-between-adjacent-polygons-render-correctly-in-qgis

The "convert polygons into polylines and clean overlapping segments workflow"  
explained with images in an ESRI blog
https://blogs.esri.com/esri/arcgis/2007/09/26/excerpt-for-dash-dot-line-entry/

The operation "polygons into polylines without overlapping segments" can be 
performed by creating a planar graph or the GIS software may have a special 
tool for that purpose like my favorite OpenJUMP. However, it is rather common 
that polygon shapefiles are not topologically clean and borders between 
adjacent polygons do not match exactly. In that case the source data must be 
made to match first. Usually I do that with OpenJUMP and the Adjust Polygon 
Boundaries tool. Fine tuning can be tedious and next update from the data 
provider will have the same errors so I tend to use simple styles :).

-Jukka Rahkonen-

Lähettäjä: Björn Danielsson [mailto:bjorn.daniels...@falubo.se]
Lähetetty: 12. lokakuuta 2017 13:03
Vastaanottaja: Rahkonen Jukka (MML) 
>;
 Anton Bakker >; 
lars.schylb...@blixtmail.se
Kopio: mapserver-users@lists.osgeo.org
Aihe: Re: [mapserver-users] Polygon border with marker line symbol

Hi,

Jukka R,
I would love to learn how to prevent polygon borders to be drawn twice.

Björn D



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[mapserver-users] Force labels uppercase

[Anton Bakker]

Hi list,

I am trying to set a label to uppercase in my mapfile (example 
https://i.imgur.com/ExRZhia.png). Seems it is already implemented 
(https://github.com/mapserver/mapserver/issues/4255), but I cannot figure out 
how use it.

The comments in the issue seem to hint at an expression element in the label 
element:

LABEL
  TYPE TRUETYPE
  ALIGN LEFT
  ANGLE AUTO
  ANTIALIAS TRUE
  BUFFER 2
  COLOR 107 107 108
  FONT arial
  MINDISTANCE 200
  MINFEATURESIZE AUTO
  PARTIALS FALSE
  POSITION AUTO
  PRIORITY 10
  SIZE 14
  EXPRESSION (upper("[NAME]")
END

But this did not work for me. Anybody knows how to force labels to appear in 
uppercase? 

Thanks!

Kind regards,
Anton

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Re: [mapserver-users] Polygon border with marker line symbol

[Anton Bakker]

Hi Jukka, 

I did not really think of that. I ended up using a line dataset, which solved 
all my issues. Thanks for thinking outside the polygon.

Cheers,
Anton


> On 12 Oct 2017, at 10:59, Rahkonen Jukka (MML) 
>  wrote:
> 
> Hi,
>  
> I fear that you will run into another problem later because polygons are 
> closed rings and therefore common borders will be drawn two times.  Because 
> of that rendering with sparse symbols may look ugly.
>  
> I would consider preprocessing the data so that you will have a clean line 
> data where duplicate sections of the borders have been removed for rendering 
> the borders and polygon layer for the rest.
>  
> -Jukka Rahkonen-
>  
> Lähettäjä: mapserver-users [mailto:mapserver-users-boun...@lists.osgeo.org 
> ] Puolesta Anton Bakker
> Lähetetty: 12. lokakuuta 2017 11:55
> Vastaanottaja: lars.schylb...@blixtmail.se
> Kopio: mapserver-users@lists.osgeo.org
> Aihe: Re: [mapserver-users] Polygon border with marker line symbol
>  
> Hi Lars,
>  
> On second thought setting the TYPE to LINE does not fit my usecase exactly. I 
> would like to achieve the following for a polygon layer: 
> https://i.imgur.com/3stwHw4.png  . So the 
> two requirements for the symbology are:
> - Marker line symbol on border
> - Polygon fill
>  
> With setting the type to line I can only achieve the marker line symbol, but 
> I cannot specify a fill: https://i.imgur.com/tk6vJ4b.png 
>  . Do you know if there is a way of 
> achieving this effect? 
>  
> I guess it maybe could be done by grouping two layers, together and treating 
> them as one, but preferably the solution is restricted to one layer. 
>  
> Cheers,
> Anton
>  
>  
> On 12 Oct 2017, at 10:22, Anton Bakker  > wrote:
>  
> Hi Lars,
>  
> The fill of the square was set to true, but I guess that is what happens when 
> you only set the OUTLINECOLOR and a SYMBOL on a polygon type style. 
>  
> In any case setting the type of the polygon layer to LINE did the trick. I 
> was not aware this was possible, but it does make sense. Thanks for the quick 
> answer!
>  
> Kind regards,
> Anton 
>  
> On 11 Oct 2017, at 18:50, lars.schylb...@blixtmail.se 
>  wrote:
>  
> Hi,
> 
> I guess that your symbol definition of square says filled false,  it should 
> be be filled true. Do another symbol.
> Next thing is that if You would like to do fancy borders symbols along a 
> polygon you could set LAYER - TYPE  to line.
> The syntax becomes easier.  Last thing is to get the symbols to rotate with 
> the line you should set gap to a negative value.
> 
> I made a small example to show this.  Save this to line-with-squares.map and 
> run it with:
> shp2img -m line-square-test.map -o line-square-test.png
> 
> /Lars S.
> _
> 
> MAP
>   SIZE 1000 1000
>   IMAGETYPE png24
>   EXTENT -30 -10 60 30
>   UNITS DD
> 
> SYMBOL
> NAME "square_filled"
> TYPE VECTOR
> POINTS
> 0 0
> 0 1
> 1 1
> 1 0
> 0 0
> END
> FILLED TRUE
> END
> 
> LAYER  # Simple polygon
>   STATUS DEFAULT
>   TYPE LINE
>   FEATURE
> POINTS
>   5 25
>   25 20
>   45 20
>   35 15
>   50 0
>   0 5
>   5 25
> END # Points
>   END # Feature
> 
>   CLASS 
> NAME "Symboltest"
> STYLE
> SYMBOL "square_filled"
> COLOR 255 0 0
> SIZE 12
> INITIALGAP 15
> GAP -30
> OUTLINECOLOR 0 0 0
> WIDTH 2.0
> END  #STYLE   
> END # CLASS
> END # LAYER
> END # MAP
> 
> ---
>  
> -Originalmeddelande-
> Från: "Anton Bakker"  >
> Till: mapserver-users@lists.osgeo.org 
> Datum: 2017-10-11 17:45
> Ämne: [mapserver-users] Polygon border with marker line symbol
> 
> Hi list,
>  
> I am trying to create the following symbology in MapServer, a marker line 
> symbol on the border of a polygon, see the following ArcMap screenshot 
> (https://i.imgur.com/9qN16tx.png ). 
>  
> I tried the two following options, but could not manage to recreate the above 
> symbology:
>  
> 1. Renders with marker fill on polygon (https://i.imgur.com/sFFznbq.png 
> ):
>  
> CLASS
>NAME "countries_europe"
>STYLE
>  ANTIALIAS TRUE
>  COLOR 204 204 204
>END
>STYLE
>  ANTIALIAS TRUE
>  GAP 30
>  OUTLINECOLOR 0 0 0
>  COLOR 255 0 0 
>  SIZE 6
>  SYMBOL 'square'
>  WIDTH 1.0
>END
>  END
>  
> 2. Renders with marker line symbol on polygon border 
> (https://i.imgur.com/Qwrw8wP.png ), but the 
> marker is missing 

Re: [mapserver-users] Polygon border with marker line symbol

[Björn Danielsson]

Hi,

Jukka R,
I would love to learn how to prevent polygon borders to be drawn twice.

Björn D


-Original Message-
From: "Rahkonen Jukka (MML)" 
To: Anton Bakker , "lars.schylb...@blixtmail.se" 

Cc: "mapserver-users@lists.osgeo.org" 
Date: Thu, 12 Oct 2017 08:59:28 +
Subject: Re: [mapserver-users] Polygon border with marker line symbol


Hi,

I fear that you will run into another problem later because polygons are 
closed rings and therefore common borders will be drawn two times.  Because 
of that rendering with sparse symbols may look ugly.

I would consider preprocessing the data so that you will have a clean line 
data where duplicate sections of the borders have been removed for rendering 
the borders and polygon layer for the rest.

-Jukka Rahkonen-

Lähettäjä:mapserver-users 
[mailto:mapserver-users-boun...@lists.osgeo.org] PuolestaAnton Bakker
Lähetetty: 12. lokakuuta 2017 11:55
Vastaanottaja: lars.schylb...@blixtmail.se
Kopio: mapserver-users@lists.osgeo.org
Aihe: Re: [mapserver-users] Polygon border with marker line symbol

Hi Lars,

On second thought setting the TYPE to LINE does not fit my usecase exactly. 
I would like to achieve the following for a polygon layer: 
https://i.imgur.com/3stwHw4.png [https://i.imgur.com/3stwHw4.png] . So the 
two requirements for the symbology are:
- Marker line symbol on border
- Polygon fill

With setting the type to line I can only achieve the marker line symbol, but 
I cannot specify a fill: https://i.imgur.com/tk6vJ4b.png 
[https://i.imgur.com/tk6vJ4b.png] . Do you know if there is a way of 
achieving this effect?

I guess it maybe could be done by grouping two layers, together and treating 
them as one, but preferably the solution is restricted to one layer.

Cheers,
Anton


On 12 Oct 2017, at 10:22, Anton Bakker  wrote:

Hi Lars,

The fill of the square was set to true, but I guess that is what happens 
when you only set the OUTLINECOLOR and a SYMBOL on a polygon type style.

In any case setting the type of the polygon layer to LINE did the trick. I 
was not aware this was possible, but it does make sense. Thanks for the 
quick answer!

Kind regards,
Anton
On 11 Oct 2017, at 18:50, lars.schylb...@blixtmail.se 
[mailto:lars.schylb...@blixtmail.se] wrote:

Hi,

I guess that your symbol definition of square says filled false,  it should 
be be filled true. Do another symbol.
Next thing is that if You would like to do fancy borders symbols along a 
polygon you could set LAYER - TYPE  to line.
The syntax becomes easier.  Last thing is to get the symbols to rotate with 
the line you should set gap to a negative value.

I made a small example to show this.  Save this to line-with-squares.map and 
run it with:
shp2img -m line-square-test.map -o line-square-test.png

/Lars S.
_

MAP
  SIZE 1000 1000
  IMAGETYPE png24
  EXTENT -30 -10 60 30
  UNITS DD

SYMBOL
NAME "square_filled"
TYPE VECTOR
POINTS
0 0
0 1
1 1
1 0
0 0
END
FILLED TRUE
END

LAYER  # Simple polygon
  STATUS DEFAULT
  TYPE LINE
  FEATURE
POINTS
  5 25
  25 20
  45 20
  35 15
  50 0
  0 5
  5 25
END # Points
  END # Feature

  CLASS 
NAME "Symboltest"
STYLE
SYMBOL "square_filled"
COLOR 255 0 0
SIZE 12
INITIALGAP 15
GAP -30
OUTLINECOLOR 0 0 0
WIDTH 2.0
END  #STYLE   
END # CLASS
END # LAYER
END # MAP

---

-Originalmeddelande-
Från: "Anton Bakker" 
Till: mapserver-users@lists.osgeo.org 
[mailto:mapserver-users@lists.osgeo.org]
Datum: 2017-10-11 17:45
Ämne: [mapserver-users] Polygon border with marker line symbol
Hi list,

I am trying to create the following symbology in MapServer, a marker line 
symbol on the border of a polygon, see the following ArcMap screenshot 
(https://i.imgur.com/9qN16tx.png [https://i.imgur.com/9qN16tx.png]).

I tried the two following options, but could not manage to recreate the 
above symbology:

1. Renders with marker fill on polygon (https://i.imgur.com/sFFznbq.png 
[https://i.imgur.com/sFFznbq.png]):

CLASS
NAME "countries_europe"
STYLE
ANTIALIAS TRUE
COLOR 204 204 204
END
STYLE
ANTIALIAS TRUE
GAP 30
OUTLINECOLOR 0 0 0
COLOR 255 0 0
SIZE 6
SYMBOL 'square'
WIDTH 1.0
END
END

2. Renders with marker line symbol on polygon border 
(https://i.imgur.com/Qwrw8wP.png [https://i.imgur.com/Qwrw8wP.png]), but the 
marker is missing the fill:

CLASS
NAME "countries_europe"
STYLE
ANTIALIAS TRUE
COLOR 204 204 204
END
STYLE
ANTIALIAS TRUE
GAP 30
OUTLINECOLOR 0 0 0
SIZE 6
SYMBOL 'square'
WIDTH 1.0
END
END

Does anyone know whether it is possible to achieve this symbology? It seems 
the 

Re: [mapserver-users] Polygon border with marker line symbol

[Rahkonen Jukka (MML)]

Hi,

I fear that you will run into another problem later because polygons are closed 
rings and therefore common borders will be drawn two times.  Because of that 
rendering with sparse symbols may look ugly.

I would consider preprocessing the data so that you will have a clean line data 
where duplicate sections of the borders have been removed for rendering the 
borders and polygon layer for the rest.

-Jukka Rahkonen-

Lähettäjä: mapserver-users [mailto:mapserver-users-boun...@lists.osgeo.org] 
Puolesta Anton Bakker
Lähetetty: 12. lokakuuta 2017 11:55
Vastaanottaja: lars.schylb...@blixtmail.se
Kopio: mapserver-users@lists.osgeo.org
Aihe: Re: [mapserver-users] Polygon border with marker line symbol

Hi Lars,

On second thought setting the TYPE to LINE does not fit my usecase exactly. I 
would like to achieve the following for a polygon layer: 
https://i.imgur.com/3stwHw4.png . So the two requirements for the symbology are:
- Marker line symbol on border
- Polygon fill

With setting the type to line I can only achieve the marker line symbol, but I 
cannot specify a fill: https://i.imgur.com/tk6vJ4b.png . Do you know if there 
is a way of achieving this effect?

I guess it maybe could be done by grouping two layers, together and treating 
them as one, but preferably the solution is restricted to one layer.

Cheers,
Anton


On 12 Oct 2017, at 10:22, Anton Bakker 
> wrote:

Hi Lars,

The fill of the square was set to true, but I guess that is what happens when 
you only set the OUTLINECOLOR and a SYMBOL on a polygon type style.

In any case setting the type of the polygon layer to LINE did the trick. I was 
not aware this was possible, but it does make sense. Thanks for the quick 
answer!

Kind regards,
Anton

On 11 Oct 2017, at 18:50, 
lars.schylb...@blixtmail.se wrote:

Hi,

I guess that your symbol definition of square says filled false,  it should be 
be filled true. Do another symbol.
Next thing is that if You would like to do fancy borders symbols along a 
polygon you could set LAYER - TYPE  to line.
The syntax becomes easier.  Last thing is to get the symbols to rotate with the 
line you should set gap to a negative value.

I made a small example to show this.  Save this to line-with-squares.map and 
run it with:
shp2img -m line-square-test.map -o line-square-test.png

/Lars S.
_

MAP
  SIZE 1000 1000
  IMAGETYPE png24
  EXTENT -30 -10 60 30
  UNITS DD

SYMBOL
NAME "square_filled"
TYPE VECTOR
POINTS
0 0
0 1
1 1
1 0
0 0
END
FILLED TRUE
END

LAYER  # Simple polygon
  STATUS DEFAULT
  TYPE LINE
  FEATURE
POINTS
  5 25
  25 20
  45 20
  35 15
  50 0
  0 5
  5 25
END # Points
  END # Feature

  CLASS
NAME "Symboltest"
STYLE
SYMBOL "square_filled"
COLOR 255 0 0
SIZE 12
INITIALGAP 15
GAP -30
OUTLINECOLOR 0 0 0
WIDTH 2.0
END  #STYLE
END # CLASS
END # LAYER
END # MAP

---


-Originalmeddelande-
Från: "Anton Bakker" >
Till: mapserver-users@lists.osgeo.org
Datum: 2017-10-11 17:45
Ämne: [mapserver-users] Polygon border with marker line symbol
Hi list,

I am trying to create the following symbology in MapServer, a marker line 
symbol on the border of a polygon, see the following ArcMap screenshot 
(https://i.imgur.com/9qN16tx.png).

I tried the two following options, but could not manage to recreate the above 
symbology:

1. Renders with marker fill on polygon (https://i.imgur.com/sFFznbq.png):

CLASS
   NAME "countries_europe"
   STYLE
 ANTIALIAS TRUE
 COLOR 204 204 204
   END
   STYLE
 ANTIALIAS TRUE
 GAP 30
 OUTLINECOLOR 0 0 0
 COLOR 255 0 0
 SIZE 6
 SYMBOL 'square'
 WIDTH 1.0
   END
 END

2. Renders with marker line symbol on polygon border 
(https://i.imgur.com/Qwrw8wP.png), but the marker is missing the fill:

CLASS
   NAME "countries_europe"
   STYLE
 ANTIALIAS TRUE
 COLOR 204 204 204
   END
   STYLE
 ANTIALIAS TRUE
 GAP 30
 OUTLINECOLOR 0 0 0
 SIZE 6
 SYMBOL 'square'
 WIDTH 1.0
   END
 END

Does anyone know whether it is possible to achieve this symbology? It seems the 
only way to set a picture line symbol on the border of a polygon is to only set 
the outlinecolor, but then there is no way to set the fill color for the 
marker. I could not find any any information about this in the documentation or 
the mailing list.

Thanks and kind regards,
Anton Bakker

software developer@geocat
tel. +31 318 416 664




___
mapserver-users mailing list

Re: [mapserver-users] Polygon border with marker line symbol

[Anton Bakker]

Hi Lars,

On second thought setting the TYPE to LINE does not fit my usecase exactly. I 
would like to achieve the following for a polygon layer: 
https://i.imgur.com/3stwHw4.png  . So the two 
requirements for the symbology are:
- Marker line symbol on border
- Polygon fill

With setting the type to line I can only achieve the marker line symbol, but I 
cannot specify a fill: https://i.imgur.com/tk6vJ4b.png 
 . Do you know if there is a way of achieving 
this effect? 

I guess it maybe could be done by grouping two layers, together and treating 
them as one, but preferably the solution is restricted to one layer. 

Cheers,
Anton


> On 12 Oct 2017, at 10:22, Anton Bakker  wrote:
> 
> Hi Lars,
> 
> The fill of the square was set to true, but I guess that is what happens when 
> you only set the OUTLINECOLOR and a SYMBOL on a polygon type style. 
> 
> In any case setting the type of the polygon layer to LINE did the trick. I 
> was not aware this was possible, but it does make sense. Thanks for the quick 
> answer!
> 
> Kind regards,
> Anton 
> 
>> On 11 Oct 2017, at 18:50, lars.schylb...@blixtmail.se 
>>  wrote:
>> 
>> Hi,
>> 
>> I guess that your symbol definition of square says filled false,  it should 
>> be be filled true. Do another symbol.
>> Next thing is that if You would like to do fancy borders symbols along a 
>> polygon you could set LAYER - TYPE  to line.
>> The syntax becomes easier.  Last thing is to get the symbols to rotate with 
>> the line you should set gap to a negative value.
>> 
>> I made a small example to show this.  Save this to line-with-squares.map and 
>> run it with:
>> shp2img -m line-square-test.map -o line-square-test.png
>> 
>> /Lars S.
>> _
>> 
>> MAP
>>   SIZE 1000 1000
>>   IMAGETYPE png24
>>   EXTENT -30 -10 60 30
>>   UNITS DD
>> 
>> SYMBOL
>> NAME "square_filled"
>> TYPE VECTOR
>> POINTS
>> 0 0
>> 0 1
>> 1 1
>> 1 0
>> 0 0
>> END
>> FILLED TRUE
>> END
>> 
>> LAYER  # Simple polygon
>>   STATUS DEFAULT
>>   TYPE LINE
>>   FEATURE
>> POINTS
>>   5 25
>>   25 20
>>   45 20
>>   35 15
>>   50 0
>>   0 5
>>   5 25
>> END # Points
>>   END # Feature
>> 
>>   CLASS 
>> NAME "Symboltest"
>> STYLE
>> SYMBOL "square_filled"
>> COLOR 255 0 0
>> SIZE 12
>> INITIALGAP 15
>> GAP -30
>> OUTLINECOLOR 0 0 0
>> WIDTH 2.0
>> END  #STYLE   
>> END # CLASS
>> END # LAYER
>> END # MAP
>> 
>> ---
>> 
>> -Originalmeddelande-
>> Från: "Anton Bakker" > >
>> Till: mapserver-users@lists.osgeo.org 
>> 
>> Datum: 2017-10-11 17:45
>> Ämne: [mapserver-users] Polygon border with marker line symbol
>> 
>> Hi list,
>> 
>> I am trying to create the following symbology in MapServer, a marker line 
>> symbol on the border of a polygon, see the following ArcMap screenshot 
>> (https://i.imgur.com/9qN16tx.png ). 
>> 
>> I tried the two following options, but could not manage to recreate the 
>> above symbology:
>> 
>> 1. Renders with marker fill on polygon (https://i.imgur.com/sFFznbq.png 
>> ):
>> 
>> CLASS
>>NAME "countries_europe"
>>STYLE
>>  ANTIALIAS TRUE
>>  COLOR 204 204 204
>>END
>>STYLE
>>  ANTIALIAS TRUE
>>  GAP 30
>>  OUTLINECOLOR 0 0 0
>>  COLOR 255 0 0 
>>  SIZE 6
>>  SYMBOL 'square'
>>  WIDTH 1.0
>>END
>>  END
>> 
>> 2. Renders with marker line symbol on polygon border 
>> (https://i.imgur.com/Qwrw8wP.png ), but the 
>> marker is missing the fill:
>> 
>> CLASS
>>NAME "countries_europe"
>>STYLE
>>  ANTIALIAS TRUE
>>  COLOR 204 204 204
>>END
>>STYLE
>>  ANTIALIAS TRUE
>>  GAP 30
>>  OUTLINECOLOR 0 0 0
>>  SIZE 6
>>  SYMBOL 'square'
>>  WIDTH 1.0
>>END
>>  END
>> 
>> Does anyone know whether it is possible to achieve this symbology? It seems 
>> the only way to set a picture line symbol on the border of a polygon is to 
>> only set the outlinecolor, but then there is no way to set the fill color 
>> for the marker. I could not find any any information about this in the 
>> documentation or the mailing list. 
>> 
>> Thanks and kind regards,
>> Anton Bakker
>> 
>> software developer@geocat  
>> tel. +31 318 416 664 
>> 
>> 
>> 
>> ___
>> mapserver-users mailing list
>> mapserver-users@lists.osgeo.org 
>> https://lists.osgeo.org/mailman/listinfo/mapserver-users 
>> 

Re: [mapserver-users] Polygon border with marker line symbol

[Anton Bakker]

Hi Lars,

The fill of the square was set to true, but I guess that is what happens when 
you only set the OUTLINECOLOR and a SYMBOL on a polygon type style. 

In any case setting the type of the polygon layer to LINE did the trick. I was 
not aware this was possible, but it does make sense. Thanks for the quick 
answer!

Kind regards,
Anton 

> On 11 Oct 2017, at 18:50, lars.schylb...@blixtmail.se wrote:
> 
> Hi,
> 
> I guess that your symbol definition of square says filled false,  it should 
> be be filled true. Do another symbol.
> Next thing is that if You would like to do fancy borders symbols along a 
> polygon you could set LAYER - TYPE  to line.
> The syntax becomes easier.  Last thing is to get the symbols to rotate with 
> the line you should set gap to a negative value.
> 
> I made a small example to show this.  Save this to line-with-squares.map and 
> run it with:
> shp2img -m line-square-test.map -o line-square-test.png
> 
> /Lars S.
> _
> 
> MAP
>   SIZE 1000 1000
>   IMAGETYPE png24
>   EXTENT -30 -10 60 30
>   UNITS DD
> 
> SYMBOL
> NAME "square_filled"
> TYPE VECTOR
> POINTS
> 0 0
> 0 1
> 1 1
> 1 0
> 0 0
> END
> FILLED TRUE
> END
> 
> LAYER  # Simple polygon
>   STATUS DEFAULT
>   TYPE LINE
>   FEATURE
> POINTS
>   5 25
>   25 20
>   45 20
>   35 15
>   50 0
>   0 5
>   5 25
> END # Points
>   END # Feature
> 
>   CLASS 
> NAME "Symboltest"
> STYLE
> SYMBOL "square_filled"
> COLOR 255 0 0
> SIZE 12
> INITIALGAP 15
> GAP -30
> OUTLINECOLOR 0 0 0
> WIDTH 2.0
> END  #STYLE   
> END # CLASS
> END # LAYER
> END # MAP
> 
> ---
> 
> -Originalmeddelande-
> Från: "Anton Bakker"  >
> Till: mapserver-users@lists.osgeo.org 
> Datum: 2017-10-11 17:45
> Ämne: [mapserver-users] Polygon border with marker line symbol
> 
> Hi list,
> 
> I am trying to create the following symbology in MapServer, a marker line 
> symbol on the border of a polygon, see the following ArcMap screenshot 
> (https://i.imgur.com/9qN16tx.png ). 
> 
> I tried the two following options, but could not manage to recreate the above 
> symbology:
> 
> 1. Renders with marker fill on polygon (https://i.imgur.com/sFFznbq.png 
> ):
> 
> CLASS
>NAME "countries_europe"
>STYLE
>  ANTIALIAS TRUE
>  COLOR 204 204 204
>END
>STYLE
>  ANTIALIAS TRUE
>  GAP 30
>  OUTLINECOLOR 0 0 0
>  COLOR 255 0 0 
>  SIZE 6
>  SYMBOL 'square'
>  WIDTH 1.0
>END
>  END
> 
> 2. Renders with marker line symbol on polygon border 
> (https://i.imgur.com/Qwrw8wP.png ), but the 
> marker is missing the fill:
> 
> CLASS
>NAME "countries_europe"
>STYLE
>  ANTIALIAS TRUE
>  COLOR 204 204 204
>END
>STYLE
>  ANTIALIAS TRUE
>  GAP 30
>  OUTLINECOLOR 0 0 0
>  SIZE 6
>  SYMBOL 'square'
>  WIDTH 1.0
>END
>  END
> 
> Does anyone know whether it is possible to achieve this symbology? It seems 
> the only way to set a picture line symbol on the border of a polygon is to 
> only set the outlinecolor, but then there is no way to set the fill color for 
> the marker. I could not find any any information about this in the 
> documentation or the mailing list. 
> 
> Thanks and kind regards,
> Anton Bakker
> 
> software developer@geocat  
> tel. +31 318 416 664 
> 
> 
> 
> ___
> mapserver-users mailing list
> mapserver-users@lists.osgeo.org 
> https://lists.osgeo.org/mailman/listinfo/mapserver-users 
> 
> 
> 
> --
> 
>  

___
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Re: [mapserver-users] Polygon border with marker line symbol

[lars . schylberg]

Hi again,




As Håvard points out You need to draw the polygon twice.  I have extended the 
example to show that.

In a real world example You will substitute the inline FEATURE with a DATA 
statement.




The new example can be found here.





https://gist.github.com/LarsSchy/9b697cb02c0a4637512a1b1026069352





and the result is shown here:





https://i.imgur.com/z0yXKdh.png




Good luck




Lars Schylberg


-Originalmeddelande- 
> Från: "Håvard Tveite"  
> Till: mapserver-users@lists.osgeo.org 
> Datum: 2017-10-11 23:21 
> Ämne: Re: [mapserver-users] Polygon border with marker line symbol 
> 
> If you duplicate the layer, one of the layers (type polygon) can provide
> the polygon fill and the other (type line) the styled boundary.
> 
> Håvard
> 
> On 11. okt. 2017 17:45, Anton Bakker wrote:
> > Hi list,
> > 
> > I am trying to create the following symbology in MapServer, a marker line 
> > symbol on the border of a polygon, see the following ArcMap screenshot 
> > (https://i.imgur.com/9qN16tx.png ).
> > 
> > I tried the two following options, but could not manage to recreate the 
> > above symbology:
> > 
> > 1. Renders with marker fill on polygon (https://i.imgur.com/sFFznbq.png 
> > ):
> > 
> >   CLASS
> >      NAME "countries_europe"
> >      STYLE
> >        ANTIALIAS TRUE
> >        COLOR 204 204 204
> >      END
> >      STYLE
> >        ANTIALIAS TRUE
> >        GAP 30
> >        OUTLINECOLOR 0 0 0
> >        COLOR 255 0 0
> >        SIZE 6
> >        SYMBOL 'square'
> >        WIDTH 1.0
> >      END
> >    END
> > 
> > 2. Renders with marker line symbol on polygon border 
> > (https://i.imgur.com/Qwrw8wP.png ), but 
> > the marker is missing the fill:
> > 
> >   CLASS
> >      NAME "countries_europe"
> >      STYLE
> >        ANTIALIAS TRUE
> >        COLOR 204 204 204
> >      END
> >      STYLE
> >        ANTIALIAS TRUE
> >        GAP 30
> >        OUTLINECOLOR 0 0 0
> >        SIZE 6
> >        SYMBOL 'square'
> >        WIDTH 1.0
> >      END
> >    END
> > 
> > Does anyone know whether it is possible to achieve this symbology? It seems 
> > the only way to set a picture line symbol on the border of a polygon is to 
> > only set the outlinecolor, but then there is no way to set the fill color 
> > for the marker. I could not find any any information about this in the 
> > documentation or the mailing list.
> > 
> > Thanks and kind regards,
> > Anton Bakker
> > 
> > software developer@geocat 
> > tel. +31 318 416 664
> > 
> > 
> > 
> > 
> > 
> > 
> > ___
> > mapserver-users mailing list
> > mapserver-users@lists.osgeo.org
> > https://lists.osgeo.org/mailman/listinfo/mapserver-users
> > 
> ___
> mapserver-users mailing list
> mapserver-users@lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/mapserver-users





-- 
 

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