[mapserver-users] validation block
Stephen Woodbridge
woodbri at swoodbridge.com
Tue Aug 21 13:32:56 PDT 2012
Hi David,
Thank you for the feedback, I have only done this with SQL statements.
I'm surprised that we implemented this using a different syntax.
Anyway your complete example below will hopefully help others to get it
working also.
Thanks,
-Steve W
On 8/21/2012 3:28 PM, Fawcett, David (MPCA) wrote:
> I do something like the second example in one of my applications. I send the comma-delimited string for use as part of the IN statement.
>
> This basically allows you to symbolize features from your spatial data set based on data passed in through the URL.
>
> I pass these URL vars:
> &group1=129,119,041,005,159,051,011,147,097,015,067,171,081,063,025,093,009,149,079,049,065,003,143,027,039,007,099,121,151,135,107,047,033,031,023,089,001,013,161,109,139,061,055,101,045,127,113,117,167,085,133,073,071,157,105,083,165,077,111,059,115,019,153,125,169,087,043,145,017,131,021,173,035,095,091,155,057,103,075,029,069&group2=137,163,037,141,123&group3=&group4=053
>
> Here is the layer definition:
>
> LAYER
> NAME "airdata"
> STATUS DEFAULT
> DATA 'county_thin'
> TYPE POLYGON
> TEMPLATE "templates/emiss_imap_template.html"
>
> VALIDATION
> group1 "^[0-9\,]+$"
> group2 "^[0-9\,]+$"
> group3 "^[0-9\,]+$"
> group4 "^[0-9\,]+$"
> END
> CLASS
> NAME "group1"
> EXPRESSION ('[county_fip]' IN '%group1%')
> STYLE
> COLOR 241 238 246
> END
> END
> CLASS
> NAME "group2"
> EXPRESSION ('[county_fip]' IN '%group2%')
> STYLE
> COLOR 189 201 225
> END
> END
> CLASS
> NAME "group3"
> EXPRESSION ('[county_fip]' IN '%group3%')
> STYLE
> COLOR 116 169 207
> END
> END
> CLASS
> NAME "group4"
> EXPRESSION ('[county_fip]' IN '%group4%')
> STYLE
> COLOR 5 112 176
> END
> END
>
> END
>
> David.
>
> -----Original Message-----
> From: mapserver-users-bounces at lists.osgeo.org [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Stephen Woodbridge
> Sent: Tuesday, August 21, 2012 1:16 PM
> To: mapserver-users at lists.osgeo.org
> Subject: Re: [mapserver-users] validation block
>
> Typically the SQL syntax is column in (a,b,c,d)
> So based on this
>
> [id_bassin] in '%ID_BASSIN%'
>
> would be problematic I think because your syntax is:
>
> column in 'string'
>
> Which is not valid. Also what is your validation for %ID_BASSIN%?
> Is something like this? ^\([0-9]+(,[0-9]+)*\)$
>
> where ID_BASSIN=(123,234,345)
>
> or do you want something like:
>
> [id_bassin] in (%ID_BASSIN%)
>
> with a valdiation like: ^[0-9]+(,[0-9]+)*$
>
> where ID_BASSIN=123,234,345
>
> -Steve W
>
> On 8/21/2012 1:33 PM, Marc-André Trottier wrote:
>> here is an example of two class in 'adn_station_max_v.map' :
>>
>> CLASS
>> NAME "Information non disponible (grande échelle)"
>> EXPRESSION ( '[etat]' = 'GRIS' AND [id_bassin] in '%ID_BASSIN%')
>> GROUP "BASSIN"
>> MINSCALEDENOM 0
>> MAXSCALEDENOM 150000
>> STYLE
>> SYMBOL 'circle'
>> COLOR 128 128 128
>> OUTLINECOLOR 0 0 0
>> SIZE 9
>> END
>>
>> LABEL
>> COLOR 0 0 0
>> OUTLINECOLOR 255 255 255
>> ANTIALIAS FALSE
>> TYPE TRUETYPE
>> FONT "ubuntu"
>> SIZE 14
>> POSITION auto
>> FORCE TRUE
>> END
>> END
>>
>> CLASS
>> NAME "Seuil d\'inondation majeure"
>> EXPRESSION ( '[etat]' = 'ROUGE' AND [region_admin_id] in '%ID_REG%')
>> GROUP "REG_ADMIN"
>> MINSCALEDENOM 110000
>>
>> STYLE
>> SYMBOL 'circle'
>> COLOR 255 0 0
>> OUTLINECOLOR 0 0 0
>> SIZE 14
>> END
>>
>> LABEL
>> WRAP "!"
>> ALIGN CENTER
>> COLOR 0 0 0
>> OUTLINECOLOR 255 255 255
>> ANTIALIAS FALSE
>> TYPE TRUETYPE
>> FONT "ubuntu"
>> SIZE 14
>> FORCE TRUE
>> OFFSET 0 12
>> END
>> END
>>
>> if i understant this meant that for a layer, i must validate all
>> variables of all class even if i don't use them all.
>> My include of 'adn_station_max_v.map' contains X substitutions in X
>> class so i must have X validations even if i don't use all X class.
>>
>> In my example, i include many class with 'adn_station_max_v.map' but
>> i'm using only one variable at a time. All class in CLASSGROUP 'REG_ADMIN'
>> only use 'ID_REG'.
>>
>>
>> 2012/8/21 Stephen Woodbridge <woodbri at swoodbridge.com
>> <mailto:woodbri at swoodbridge.com>>
>>
>> You probably need to quote:
>>
>> 'ID_BASSIN' '[[a-zA-Z0-9]{0,10},??]*'
>>
>> "#ID_REG' '[[a-zA-Z0-9]{0,10},??]*'
>>
>> And I would be very suspicious that '#ID_REG' is a value identifier
>> because of the '#' character.
>>
>> -Steve W
>>
>>
>> On 8/21/2012 11:38 AM, Marc-André Trottier wrote:
>>
>> there is my layer's definition :
>>
>> LAYER
>> VALIDATION
>> ID_BASSIN '[[a-zA-Z0-9]{0,10},??]*'
>> #ID_REG '[[a-zA-Z0-9]{0,10},??]*'
>> END
>> INCLUDE "../layers/bd/adn_station_max___v.map"
>> CLASSGROUP "BASSIN"
>> NAME "adn_station_bassin"
>> END
>>
>> LAYER
>> VALIDATION
>> #ID_BASSIN '[[a-zA-Z0-9]{0,10},??]*'
>> ID_REG '[[a-zA-Z0-9]{0,10},??]*'
>> END
>> INCLUDE "../layers/bd/adn_station_max___v.map"
>> CLASSGROUP "REG_ADMIN"
>> NAME "adn_station_reg_admin"
>> END
>>
>> with these commented lines a got this error :
>> msValidateParameter(): Regular expression error. Parameter pattern
>> validation failed.
>>
>> without comment, i got no error.
>>
>> CLASSGROUP 'BASSIN' contains many class but each class use only
>> 'ID_BASSIN' and
>> CLASSGROUP 'REG_ADMIN' contains many class but each class use
>> only 'ID_REG'
>>
>> is it the right thing to do ? or like i thought, the validation
>> block
>> can contains only the variable used by the layer ?
>>
>>
>>
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