[Mapserver-users] Dynamic points

Mon Jun 23 06:51:40 PDT 2003

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All,
=20
            I am developing a Mapserver application which will, in
addition to other things, be able to dynamically create a query layer
based on user defined searches on a database. =20
            I understand how to add points to a dummy layer to display
the database search results. What I can't figure out is how to remove
these points when a user wants to do a new search.  Is it possible to
remove an entire layer?  Is it possible to clear all the features in a
layer? =20
            Thanks in advance for any help.
=20
Cheers,
Adam Zornes
Athenic Systems

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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>All,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>

&nbsp=
;    I
am developing a Mapserver application which =
will, in
addition to other things, be able to dynamically create a query layer =
based on
user defined searches on a database.  <o:p></o:p>

&nbsp=
;    I
understand how to add points to a dummy layer to display the database =
search results.
What I can’t figure out is how to remove these points when a user =
wants
to do a new search.  Is it =
possible
to remove an entire layer?  =
Is it
possible to clear all the features in a layer?  <o:p></o:p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'>       &nbsp=
;    </span>Thanks
in advance for any help.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Cheers,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Adam Zornes<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Athenic Systems<o:p></o:p></span></font></p>

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