<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="country-region"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="PostalCode"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="State"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="City"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="place"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="Street"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="address"/>
<!--[if !mso]>
<style>
st1\:*{behavior:url(#default#ieooui) }
</style>
<![endif]-->
<style>
<!--
/* Font Definitions */
@font-face
        {font-family:Wingdings;
        panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:Webdings;
        panose-1:5 3 1 2 1 5 9 6 7 3;}
@font-face
        {font-family:"Wingdings 2";
        panose-1:5 2 1 2 1 5 7 7 7 7;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman";}
a:link, span.MsoHyperlink
        {color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {color:purple;
        text-decoration:underline;}
p
        {mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman";}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:Arial;
        color:windowtext;}
@page Section1
        {size:8.5in 11.0in;
        margin:1.0in 1.25in 1.0in 1.25in;}
div.Section1
        {page:Section1;}
-->
</style>
</head>
<body lang=EN-US link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Using CGI Mapserver, I would like to create reference maps
that have their base images dynamically generated. The app would be serving
up maps of fire districts. I know the bounding boxes for each district,
so the user would select from a list and go to a map of that district.
Since there are approximately 40,000 fire districts in the <st1:country-region
w:st="on"><st1:place w:st="on">U.S.</st1:place></st1:country-region>, it won’t
be very practical to generate a .gif base image for each district. What I
really need is a thumbnail of the initial map extent, with an overlay that
shows the current view area. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>It doesn’t look like I can pass the name of the base image
file to a reference map file, so I was wondering if there was another way to do
this. Can I dynamically create an overlay layer with a transparent
polygon? If so, which CGI parameter would I pass the overlay’s vertices
in? Or, do I have to do this all on the client side, drawing the box in a
layer over my thumbnail? Can this be done with dbox.js?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p><b><font size=2 color=navy face="Times New Roman"><span style='font-size:
10.0pt;color:navy;font-weight:bold'>David S. Hunter</span></font></b><font
size=2 color=navy><span style='font-size:10.0pt;color:navy'><br>
<i><span style='font-style:italic'>Sr. Software Engineer<br>
Fidelity National Geographic Solutions<br>
division of Fidelity National Financial<br>
<st1:Street w:st="on"><st1:address w:st="on">5353 Gamble Drive, Suite 201</st1:address></st1:Street><br>
<st1:place w:st="on"><st1:City w:st="on">St. Louis Park</st1:City>, <st1:State
w:st="on">MN</st1:State> <st1:PostalCode w:st="on">55416</st1:PostalCode></st1:place><br>
</span></i></span></font><font size=2 color=navy face=Webdings><span
style='font-size:10.0pt;font-family:Webdings;color:navy'>š</span></font> <i><font
size=2 color=navy><span style='font-size:10.0pt;color:navy;font-style:italic'>Email:
<a href="mailto:david.hunter@fnf.com">david.hunter@fnf.com</a><br>
</span></font></i><font size=2 color=navy face="Wingdings 2"><span
style='font-size:10.0pt;font-family:"Wingdings 2";color:navy'>'</span></font> <i><font
size=2 color=navy><span style='font-size:10.0pt;color:navy;font-style:italic'>Phone:
952.542.1440 ext. 256<br>
</span></font></i><font size=2 color=navy face=Wingdings><span
style='font-size:10.0pt;font-family:Wingdings;color:navy'>7</span></font> <i><font
size=2 color=navy><span style='font-size:10.0pt;color:navy;font-style:italic'>Fax:
952.542.3859</span></font></i><i><font size=2 color=navy><span
style='font-size:10.0pt;color:navy;font-style:italic'><o:p></o:p></span></font></i></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
</div>
</body>
</html>