[mapserver-users] [EXTERNAL] RE: Multiple Styles for a LAYER/CLASS

Cechini, Matthew F. (GSFC-423.0)[Science Systems & Applications, Inc.] matthew.f.cechini at nasa.gov
Mon Sep 14 13:35:15 PDT 2020


I don't think that is creating the desired behavior.  According the the WMS specification:

	Zero or more Styles may be advertised for a Layer or collection of layers using <Style> elements, each of which shall have <Name> and <Title> elements. 
	The style's Name is used in the Map request STYLES parameter.

Which would look like the following in the Capabilities document for a layer that has two styles:

    <Layer queryable="0" opaque="0" cascaded="0">
        <Name>VIIRS_NOAA20_Thermal_Anomalies_375m_All</Name>
        <Title>Thermal Anomalies and Fires (375m, All, VIIRS, NOAA20)</Title>
        ...
        <Style>
            <Name>default</Name>
            <Title>default</Title>
        </Style>
        <Style>
            <Name>blue</Name>
            <Title>blue</Title>
        </Style>
    </Layer>

As far as I can tell/test, the CLASSGROUP configuration doesn't give me this desired behavior.  Note also that the LAYER/METADATA has the following information, which presumably would be duplicated for each supported style:

                "wms_style"                                                    "default"
                "wms_style_default_legendurl_width"     "420"
                "wms_style_default_legendurl_height"    "95"
                "wms_style_default_legendurl_format"    "image/png"
                "wms_style_default_legendurl_href"      "https://..../legends/.....png"

Thanks,
Matt
.................................................................
Matthew Cechini
Contractor, Science Systems and Applications, Inc.
NASA GIBS Systems/Software Engineer
410.205.6272

On 9/14/20, 11:05 AM, "mapserver-users on behalf of Jörg Thomsen (WhereGroup)" <mapserver-users-bounces at lists.osgeo.org on behalf of joerg.thomsen at wheregroup.com> wrote:

    I guess you are looking für classgroup:
    
    LAYER
      ...
      CLASSGROUP "group1"
      ...
      CLASS
        NAME "name1"
        GROUP "group1"
        ...
      END
    
    see https://urldefense.proofpoint.com/v2/url?u=https-3A__mapserver.org_mapfile_class.html&d=DwIGaQ&c=ApwzowJNAKKw3xye91w7BE1XMRKi2LN9kiMk5Csz9Zk&r=OipIn4BZYBcdlsutC4b_bGavezJwpYfx1lCdvhPIEUg&m=ugMtvhucImNS0kQeKIeO0NPhBwon8nGMIeDOOIfD5Y4&s=oclSQI0C1ThED5G6tbO2HojWNaYEeXUahlcUf1J3xr4&e= 
    
    Jörg
    
    Am 14.09.20 um 16:56 schrieb Cechini, Matthew F. (GSFC-423.0)[Science
    Systems & Applications, Inc.]:
    > Unfortunately, that’s not the functionality that I’m looking for…
    > 
    >  
    > 
    > What I want is to support “&STYLES=default” or “&STYLES=blue” query
    > parameters resulting in different styling of the same underlying data.
    > 
    >  
    > 
    > Thanks,
    > 
    > Matt
    > 
    > .................................................................
    > 
    > Matthew Cechini
    > 
    > Contractor, Science Systems and Applications, Inc.
    > 
    > NASA GIBS Systems/Software Engineer
    > 
    > 410.205.6272
    > 
    >  
    > 
    > *From: *"Lime, Steve D (MNIT)" <steve.lime at state.mn.us>
    > *Date: *Monday, September 14, 2020 at 10:49 AM
    > *To: *Matthew Cechini <matthew.f.cechini at nasa.gov>,
    > "mapserver-users at lists.osgeo.org" <mapserver-users at lists.osgeo.org>
    > *Subject: *RE: [EXTERNAL] RE: Multiple Styles for a LAYER/CLASS
    > 
    >  
    > 
    > Names aren’t valid (or useful) at the style-level. If you remove those
    > lines it should work and you’ll get stacked styles for each feature. --Steve
    > 
    >  
    > 
    > *From:*Cechini, Matthew F. (GSFC-423.0)[Science Systems & Applications,
    > Inc.] <matthew.f.cechini at nasa.gov>
    > *Sent:* Monday, September 14, 2020 7:27 AM
    > *To:* Lime, Steve D (MNIT) <steve.lime at state.mn.us>;
    > mapserver-users at lists.osgeo.org
    > *Subject:* Re: [EXTERNAL] RE: Multiple Styles for a LAYER/CLASS
    > 
    >  
    > 
    > ------------------------------------------------------------------------
    > 
    > We’re using 7.0.1… admittedly a bit of an older version.  Mapserver
    > balks on NAME in the STYLE element in that version.
    > 
    >  
    > 
    > Thanks,
    > 
    > Matt
    > 
    > .................................................................
    > 
    > Matthew Cechini
    > 
    > Contractor, Science Systems and Applications, Inc.
    > 
    > NASA GIBS Systems/Software Engineer
    > 
    > 410.205.6272
    > 
    >  
    > 
    > *From: *"Lime, Steve D (MNIT)" <steve.lime at state.mn.us
    > <mailto:steve.lime at state.mn.us>>
    > *Date: *Friday, September 11, 2020 at 5:17 PM
    > *To: *Matthew Cechini <matthew.f.cechini at nasa.gov
    > <mailto:matthew.f.cechini at nasa.gov>>, "mapserver-users at lists.osgeo.org
    > <mailto:mapserver-users at lists.osgeo.org>"
    > <mapserver-users at lists.osgeo.org <mailto:mapserver-users at lists.osgeo.org>>
    > *Subject: *[EXTERNAL] RE: Multiple Styles for a LAYER/CLASS
    > 
    >  
    > 
    > Hi Matt: Actually that syntax is supported (except for the style NAME
    > attribute) and you can have multiple styles inside a class. What version
    > are you using? --Steve
    > 
    >  
    > 
    > *From:*mapserver-users <mapserver-users-bounces at lists.osgeo.org
    > <mailto:mapserver-users-bounces at lists.osgeo.org>> *On Behalf Of
    > *Cechini, Matthew F. (GSFC-423.0)[Science Systems & Applications, Inc.]
    > *Sent:* Friday, September 11, 2020 2:37 PM
    > *To:* mapserver-users at lists.osgeo.org
    > <mailto:mapserver-users at lists.osgeo.org>
    > *Subject:* [mapserver-users] Multiple Styles for a LAYER/CLASS
    > 
    >  
    > 
    > ------------------------------------------------------------------------
    > 
    > Greetings,
    > 
    >    I would like to provide multiple styles for the same LAYER/CLASS in
    > our mapserver configuration.  Ideally that looks something like this,
    > though of course this syntax isn’t currently supported.
    > 
    >  
    > 
    >     CLASS
    > 
    >   NAME "Thermal Anomalies"
    > 
    >          STYLE      
    > 
    >              NAME   'default'   
    > 
    >              SYMBOL 'circle'
    > 
    >              COLOR  240 40 40
    > 
    >              OUTLINECOLOR  240 40 40
    > 
    >              SIZE 3
    > 
    >          END
    > 
    >  
    > 
    >          STYLE        
    > 
    >              NAME   'blue'   
    > 
    >              SYMBOL 'circle'
    > 
    >              COLOR  0 0 255
    > 
    >              OUTLINECOLOR  0 0 255
    > 
    >              SIZE 3
    > 
    >          END
    > 
    >     END
    > 
    >  
    > 
    >    How would I accomplish this given existing functionality?
    > 
    >  
    > 
    > Thanks,
    > 
    > Matt
    > 
    > .................................................................
    > 
    > Matthew Cechini
    > 
    > Contractor, Science Systems and Applications, Inc.
    > 
    > NASA GIBS Systems/Software Engineer
    > 
    > 410.205.6272
    > 
    > 
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    Viele Grüße,
    Jörg Thomsen
    
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