I've run into a brick wall on this. I've been trying to incorporate itemquery
in a mapserver, first just through a simple test page that does a quick query.
The test page is a simplified form of the itemquery in the test suite. If I use
the qitem setting I get a "msDBFGetItemIndex(): DBASE file error. Item
'[SITE_NO]' not found" error. If I drop the qitem, I get either the first item
in the data, or in the case of an itemnquery, all of the data.
What I'm doing is setting up a mapserver for archaeological site data in South
Dakota. The query will let a user enter an archaeological site number (i.e.
39RO0005). In the test case, the server should find the site and give just a
list of the site number it found; eventually I'll work it into zooming in on
the site on the map. The problem is, that the search either ends up in an error
(above) or it returns site '39AU0001', which is the first site in the dataset.
If I try itemnquery, I get all 19,000 sites.
Here is the test web page:
<html>
<head>
<title>ItemQuery test</title>
</head>
<body>
<p>
<form name="test" method="get" action="/cgi-bin/mapserv">
<input type="hidden" name="map" value="/gisdata/sd/sd_x.map">
<input type="hidden" name="mode" value="itemquery">
<input type="hidden" name="qlayer" value="sites">
<input type="hidden" name="qitem" value="SITE_NO">
Site: <input type="text" name="qstring" maxlength="50">
<input type="submit" value="Go!">
</form>
</body>
</html>
and here is the layer part of the map file:
LAYER
NAME 'sites'
TYPE POLYGON
DATA '/gisdata/sd/arch/sites.shp'
METADATA
qstring_validation_pattern '.'
END
STATUS OFF
OPACITY 50
PROJECTION
"init=epsg:4326"
END
LABELITEM "SITE_NO"
LABELMAXSCALEDENOM 48000
CLASS
NAME 'sites'
TEMPLATE "/var/www/sd/templates/sites.html"
LABEL
COLOR 96 64 64
END
STYLE
SYMBOL 0
SIZE 3
OUTLINECOLOR 64 64 64
COLOR 200 64 64
END
END
HEADER "/var/www/sd/templates/sites_h.html"
FOOTER "/var/www/sd/templates/sites_f.html"
END
I've tried a few different qstring validation templates, but none of them seem
to work. The line in the address on the browser I get from the server is:
http://hawken/cgi-bin/mapserv?map=/gisdata/sd/sd_x.map&mode=itemquery&qlayer=sites&qstring=39ro0005
I'm stumped. I don't know what I'm doing wrong. Any suggestions, corrections,
ridicule, whatever?
-Jim Haug
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