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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Hi List,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>I have a zip code point dataset
on which I would like to perform a text search via a form.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>The search works out fine but
I just cannot seem to be able to give the projected map a good <span
class=SpellE>map_extent</span> (see <span class=SpellE>snippett</span>).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Believe me I tried quite some
options but you can probably tell me the one I missed out on.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>I tried to do the following to
have say 1000 x 1000 meter extend around the location of the zip point.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><span
style='mso-spacerun:yes'> </span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>$distance = 1000;<span
style='mso-spacerun:yes'>
</span>// <--change this <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>$minx = <span class=GramE>( [</span>XCOORD]
) - $ distance;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>$<span class=SpellE>miny</span>
= <span class=GramE>( [</span>YCOORD] ) - $ distance;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>$<span class=SpellE>maxx</span>
= <span class=GramE>( [</span>XCOORD] ) + $ distance;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>$<span class=SpellE>maxy</span>
= <span class=GramE>( [</span>YCOORD] ) + $</span></font><font size=2
face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial'> </span></font><span
class=SpellE><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>distance</span></font></span><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>$map-><span class=SpellE><span
class=GramE>SetExtent</span></span><span class=GramE>(</span> $minx, $<span
class=SpellE>miny</span>, $<span class=SpellE>maxx</span>, $<span class=SpellE>maxy</span>
);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>?><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><span
style='mso-spacerun:yes'> </span><o:p></o:p></span></font></p>
<p class=MsoNormal><span class=GramE><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>sure <span
style='mso-spacerun:yes'> </span>the</span></font></span><font size=2
face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'> <span class=SpellE>php</span> is not touched when
passed through the <span class=SpellE>cgi</span>.. But now I wonder how I could
perform calculations like these<span class=GramE>..</span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Another option I tried:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><<span class=SpellE>img</span>
<span class=SpellE>src</span>="/<span class=SpellE>cgi-bin/mapserv<span
class=GramE>?map</span></span>=[map]&item=<span class=SpellE>zip&value</span>=[value2]&mode=<span
class=SpellE>itemquerymap&mapext</span>=<span class=SpellE>shapes&<b
style='mso-bidi-font-weight:normal'><span style='font-weight:bold;mso-bidi-font-weight:
normal'>map_extent</span></b></span><b style='mso-bidi-font-weight:normal'><span
style='font-weight:bold;mso-bidi-font-weight:normal'>=shapes</span></b>"
height="300" width="300"></td><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=GramE><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>or</span></font></span><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><<span class=GramE>td</span>><<span
class=SpellE>img</span> <span class=SpellE>src</span>="/<span
class=SpellE>cgi-bin/atms?map</span>=[map]&item=Pc6nr&value=[value]&mode=<span
class=SpellE>itemquerymap&mapext</span>=[<span class=SpellE>mapext</span>]"
height="300" width="300"></td><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>The bottom line I did not
succeed in dynamically adjusting the <span class=SpellE>mapextent</span>…
Sorry<span class=GramE>..</span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Help would be really
appreciated.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Thanx</span></font></span><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'>,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Bart<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>(I am still working with the
(old) MS 3.5 and RH7.0 php3.x, as I got really frustrated in trying to make 3.6
and php4.x & RH7.3 to be friends and never got an answer how to get it to
work. The only comfort being that I am apparently not the only one out there…)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
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