Timeout with REQUIRES

[Abe Gillespie]

Comments are inline.

-Abe

On Dec 27, 2004, at 7:45 PM, Steve Lime wrote:

> Abe's right the single quote isn't a problem. The requires directive
> was
> mostly broken in 4.2 and probably 4.0. There were changes made in
> portions of the code that made requires basically useless. The problem
> was only found and fixed right before 4.4 was released.
>
> I don't see anything obvious but let's try a couple of things and see
> if
> they help.
>
> 1) You don't need ()'s nor equality tests. So
>
> REQUIRES "([Buildings] = 1)" should be REQUIRES "[Buildings]" and

Didn't change anything - still timing out.

> REQUIRES "([Flood Zone] = 1)" should be REQUIRES "[Flood Zone]"

Didn't change anything - continued to work w/o problems.

>
> 2) Try renaming "Buildings 0" to "Buildings_0". I'm thinking there may
> be an issue with some string comparisons someplace.

Didn't change anything - still timing out.

>
> Please try these one at a time and let me know how it goes.
>
> Steve
>
>>>> Abe Gillespie <agillesp at VT.EDU> 12/27/04 4:41 PM >>>
> Uh, no, that shouldn't be a problem.  If it was, the whole map file
> wouldn't parse correctly.  That single quote just adds a "feet"
> designation to the elevation measurement.  In fact, if I remove the
> "Buildings 0" layer completely, everything runs fine.
>
> -Abe
>
> On Dec 27, 2004, at 5:05 PM, Ethan Alpert wrote:
>
>> Look at the TEXT label for the Flood Elevation layer.
>>
>> TEXT ([ELEVATION]')
>>
>> You're missing a '
>>
>> I've had all kinds of problems before when I miss a " or '
>>
>> -e
>>
>> -----Original Message-----
>> From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU]
>> On
>> Behalf Of Abe Gillespie
>> Sent: Monday, December 27, 2004 3:22 PM
>> To: MAPSERVER-USERS at LISTS.UMN.EDU
>> Subject: [UMN_MAPSERVER-USERS] Timeout with REQUIRES
>>
>>
>> I have two layers that look like this:
>>
>>   LAYER
>>    NAME "Flood Zone"
>>    STATUS ON
>>    DATA "flood_zo"
>>    TYPE polygon
>>    MAXSCALE 300000
>>    UNITS FEET
>>    CLASS
>>     COLOR 68 126 171
>>     OUTLINECOLOR 11 57 92
>>    END
>>    GROUP "Layers"
>>   END
>>
>>   LAYER
>>    NAME "Flood Elevation"
>>    STATUS ON
>>    DATA "flood_el"
>>    TYPE line
>>    UNITS FEET
>>    MAXSCALE 20000
>>    CLASS
>>     COLOR 68 155 255
>>     TEXT ([ELEVATION]')
>>     LABEL
>>      TYPE TRUETYPE
>>      FONT arial
>>      SIZE 8
>>      POSITION cc
>>      COLOR 0 0 0
>>      ANGLE auto
>>      MINFEATURESIZE 1
>>     END
>>    END
>>    REQUIRES "([Flood Zone] = 1)"
>>   END
>>
>> Notice the "REQUIRES" tag.  These two layers cause no problems.
>> However,
>> I also have these two layers further in the map file:
>>
>>   LAYER
>>    NAME "Buildings"
>>    STATUS ON
>>    DATA "bldg1"
>>    TYPE polygon
>>    MAXSCALE 15000
>>    UNITS FEET
>>    LABELITEM "ADDRESS"
>>    LABELCACHE on
>>    LABELMAXSCALE 6000
>>    CLASS
>>     COLOR 220 149 146
>>     OUTLINECOLOR 190 95 96
>>     LABEL
>>      MINFEATURESIZE 12
>>      TYPE truetype
>>      FONT arial
>>      ANTIALIAS true
>>      ANGLE auto
>>      POSITION cc
>>      COLOR 0 0 0
>>         OUTLINECOLOR 255 255 255
>>      BUFFER 3
>>      SIZE 8
>>     END
>>    END
>>    TOLERANCE 3
>>    TEMPLATE "x"
>>    METADATA
>>     search_field "FULLADDR"
>>     search_fields "FULLADDR"
>>     search_aliases "Address"
>>    END
>>    GROUP "Layers"
>>   END
>>
>>   LAYER
>>    NAME "Buildings 0"
>>    STATUS ON
>>    DATA "bldg0"
>>    TYPE polygon
>>    MAXSCALE 15000
>>    UNITS FEET
>>    CLASS
>>     COLOR 168 168 168
>>     OUTLINECOLOR 97 97 97
>>    END
>>    REQUIRES "([Buildings] = 1)"
>>   END
>>
>> With the "Buildings 0" layer, if I include the "REQUIRES" tag
> MapServer
>> will timeout.  If I remove the "REQUIRES" tag everything runs
> smoothly.
>>   I'm using PHP Mapscript 4.4.1.  Before I upgraded (I think it was
>> Mapscript 4.0) this worked fine.  So something has changed between
> then
>> and now with the "REQUIRES" algorithm.
>>
>> Any ideas?
>>
>> Thanks.
>> -Abe
>>
>