Mapviewer demo Problem

I have seen a number of posts regarding this issue, but none seem to have solved it. I have installed OC4J, I have installed and imported the mapviewer demo data. I get all of the demos to come up but all I get is a blue screen with the words "Oracle Map viewer Demo" I installed the data with the mvdemo user not as scott/tiger Does that matter? Not sure what else it could be as I am getting no errors anywhere.
Thanks in advance!
-Scott

Good Morning LJ,
I have run that, results are below. I get the same problem, just a blus screen then when I click on the screen I get 500 Internal Server Errors.
JServer Release 9.2.0.1.0 - Production
SQL> @mvdemo.sql
1 row created.
1 row created.
1 row created.
1 row created.
1 row created.
Commit complete.
counties a, terr_counties b
ERROR at line 6:
ORA-00942: table or view does not exist
1 row created.
Commit complete.
insert into user_sdo_styles select * from styles
ERROR at line 1:
ORA-00942: table or view does not exist
insert into user_sdo_themes select * from themes
ERROR at line 1:
ORA-00942: table or view does not exist
insert into user_sdo_maps select * from maps
ERROR at line 1:
ORA-00942: table or view does not exist
Commit complete.
create index STATES_SDX on STATES(GEOM)
ERROR at line 1:
ORA-00942: table or view does not exist
create index COUNTIES_SDX on COUNTIES(GEOM)
ERROR at line 1:
ORA-00942: table or view does not exist
create index INTERSTATES_SDX on INTERSTATES(GEOM)
ERROR at line 1:
ORA-00942: table or view does not exist
create index CITIES_SDX on CITIES(LOCATION)
ERROR at line 1:
ORA-00942: table or view does not exist
create index TERRITORIES_SDX on TERRITORIES(GEOMETRY)
ERROR at line 1:
ORA-00942: table or view does not exist
SQL>
500 Internal Server Error
java.lang.NullPointerException at oracle.lbs.mapclient.MapViewer.pan(MapViewer.java:3726) at demo.jview._jspService(_jview.java:152) [SRC:/demo/jview.jsp:322] at com.orionserver[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].http.OrionHttpJspPage.service(OrionHttpJspPage.java:56) at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:347) at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509) at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:810) at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322) at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790) at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270) at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112) at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186) at java.lang.Thread.run(Thread.java:534)

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Export file created by EXPORT:V08.01.07 via conventional path
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Try connecting to the database as mdsys.
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this is definately caused by using the wrong java program. Please check the following:
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Also dont use the java that comes with your oracle database, as that is also a JRE only program. Instead, download the full j2sdk 1.4.2 from Sun.
LJ

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We will be staging the current eLocation style and themes up on our MapViewer OTN page shortly.
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I do not see basemap in your XML request. You are trying to see entire US extents. Try with smaller size such 1.00.
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Mapviewer-demo: no map viewed

Hi,
I imported the Mapviewer demo in a new schema,
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Thu Oct 09 16:56:29 PDT 2003
Machine Node Name: ibmdemo
Severity: 0
Description:
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Thu Oct 09 16:56:29 PDT 2003
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hi,
found one mistake, still the map is not shown.
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<script type="text/Javascript" src=...
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Hi,
I imported the Mapviewer demo in a new schema,
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Yes I'm getting the title in the blue empty map view.
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Suggest just doing a search within this forum, that answer has been written about 1000 times. Try this: http://www.oracle.com/technology/software/products/mapviewer/index.html
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Hi guys!
I'm a newbee in the Mapviewer forum and unfortunately I've a problem with running the mvdemo demos. I've ofc dployed mapviewer in the OC4J, imported the dmp file into scott schema, configured the mapviewer data source...but everytime I'd like to run a demo i receive the unpleasant warning = "No base map MV_DEMO.DEMO_MAP found...". I don't really know where to seek for the solution, because the Mapbuilder is able to see these Base Map ;/ Please help...
With regards,
PsmakR

Similar problem here. I'm running: Windoze Server 2003 , Ver1033p5_B080908, OAS 10.1.3.1. The sever is a static IP. My admin console can't see my cached maps. I can see them in mapbuilder fine so I know the database is up. I know the user_sdo_cached_maps is configured, the data is there and the schema is set up. I have the datasource configured in my mapViewerConfig.xml and I have tried to manually create a datasource.
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Saludos,
Lew.
Edited by: Lew2 on Nov 21, 2008 6:42 AM

Hi Lew,
if you are using a recent version (10.1.3.1 or later) there is no need to use a view and to create the metadata in both schemas.
You need to grant selection on tables between the schemas.
You can try the following. Assume you have the MVDEMO schema (from MapViewer kit) and SCOTT schema.
1) grant select on MVDEMO Counties table to SCOTT
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Joao

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http://www.w3.org/1999/xhtml"
xmlns:spry="
http://ns.adobe.com/spry">
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=ISO-8859-1" />
<title>Gallery</title>
<link rel="stylesheet" type="text/css"
href="../css/screen.css">
<script type="text/javascript"
src="../SpryAssets/xpath.js"></script>
<script type="text/javascript"
src="../SpryAssets/SpryData.js"></script>
<script type="text/javascript"
src="../SpryAssets/SpryEffects.js"></script>
<script type="text/javascript">
var dsGalleries = new
Spry.Data.XMLDataSet("galleries/galleries.xml",
"galleries/gallery");
var dsGallery = new
Spry.Data.XMLDataSet("galleries/{dsGalleries::@base}{dsGalleries::@file}",
"gallery");
var dsPhotos = new
Spry.Data.XMLDataSet("galleries/{dsGalleries::@base}{dsGalleries::@file}",
"gallery/photos/photo");
</script>
<script src="../SpryAssets/gallery.js"
type="text/javascript"></script>
</head>
<body id="gallery">
<noscript><h1>This page requires JavaScript.
Please enable JavaScript in your browser and reload this
page.</h1></noscript>
<div id="wrap">
<h1 id="albumName"
spry:region="dsGallery">{sitename}</h1>
<div id="previews">
<div id="galleries" spry:region="dsGalleries">
<label for="gallerySelect">View:</label>
<select spry:repeatchildren="dsGalleries"
id="gallerySelect"
onchange="dsGalleries.setCurrentRowNumber(this.selectedIndex);">
<option spry:if="{ds_RowNumber} == {ds_CurrentRowNumber}"
selected="selected">{sitename}</option>
<option spry:if="{ds_RowNumber} !=
{ds_CurrentRowNumber}">{sitename}</option>
</select>
</div>
<div id="controls">
<ul id="transport">
<li><a href="#" onclick="StopSlideShow();
AdvanceToNextImage(true);"
title="Previous">Previous</a></li>
<li class="pausebtn"><a href="#" onclick="if
(gSlideShowOn) StopSlideShow(); else StartSlideShow();"
title="Play/Pause" id="playLabel">Play</a></li>
<li><a href="#" onclick="StopSlideShow();
AdvanceToNextImage();" title="Next">Next</a></li>
</ul>
</div>
<div id="thumbnails" spry:region="dsPhotos dsGalleries
dsGallery">
<div spry:repeat="dsPhotos"
onclick="HandleThumbnailClick('{ds_RowID}');"
onmouseover="GrowThumbnail(this.getElementsByTagName('img')[0],
'{@thumbwidth}', '{@thumbheight}');"
onmouseout="ShrinkThumbnail(this.getElementsByTagName('img')[0]);">
<img id="tn{ds_RowID}" alt="thumbnail for {@thumbpath}"
src="galleries/{dsGalleries::@base}{dsGallery::thumbnail/@base}{@thumbpath}"
width="24" height="24" style="left: 0px; right: 0px;" />
</div>
<p class="ClearAll"></p>
</div>
</div>
<div id="picture">
<div id="mainImageOutline" style="width: 0px; height:
0px;"><img id="mainImage" alt="main image" /></div>
</div>
<p class="clear"></p>
</div>
</body>
</html>
Fixed reference version:
<head>
var dsGalleries = new
Spry.Data.XMLDataSet("Graphics/galleries/galleries.xml",
"galleries/gallery");
var dsGallery = new
Spry.Data.XMLDataSet("Graphics/galleries/egypt/Egyptphotos.xml",
"gallery");
var dsPhotos = new
Spry.Data.XMLDataSet("Graphics/galleries/egypt/Egyptphotos.xml",
"gallery/photos/photo");
</script>
Supporting files galleries.xml and Egyptphotos.xml
<?xml version="1.0" encoding="UTF-8"?>
<galleries>
<gallery base="Graphics/galleries/egypt/"
file="Egyptphotos.xml">
<sitename>Egypt</sitename>
<photographer>Don Booth</photographer>
<contactinfo>
http://www.adobe.com</contactinfo>
<email>[email protected]</email>
<security><![CDATA[]]> </security>
</gallery>
... duplicate China and Paris declarations
</gallery>
</galleries>
<?xml version="1.0" encoding="UTF-8"?>
<gallery
base = ""
background = "#FFFFFF"
banner = "#F0F0F0"
text = "#000000"
link = "#0000FF"
alink = "#FF0000"
vlink = "#800080"
date = "1/10/2006">
<sitename>Egypt Gallery</sitename>
<photographer>Don Booth</photographer>
<contactinfo>
http://www.adobe.com</contactinfo>
<email>[email protected]</email>
<security><![CDATA[]]> </security>
<banner font = "Arial" fontsize = "3" color =
"#F0F0F0"> </banner>
<thumbnail base
="../../gallery/galleries/egypt/thumbnails/" font = "Arial"
fontsize = "4" color = "#F0F0F0" border = "0" rows = "3" col =
"5"> </thumbnail>
<large base ="../../gallery/galleries/egypt/images/" font
= "Arial" fontsize = "3" color = "#F0F0F0" border = "0">
</large>
<photos id = "images">
<photo
path = "egypt_01.jpg"
width = "350"
height = "262"
thumbpath = "egypt_01.jpg"
thumbwidth = "75"
thumbheight = "56">
</photo>
</photos>
</gallery>

Please delete this posting. I've found the full original
information in the v1.6 pre-release information and will compare to
that baseline.

Mapviewer performance problem using image format FORMAT_RAW_COMPRESSED

I am using the MapViewer.FORMAT_RAW_COMPRESSED map image in my (java) map application because some features must be clickable and as far as I can work out, this is the only way to achieve this in a Java client. On my local system, running the map server in an oc4j container, this works about as fast as using FORMAT_GIF_URL and loading the image from this url. There also doesn't seem to be much difference in memory and cpu usage.
When I direct the request to a map server running on a remote Application Server the rendering time grows exponentially. The same maprequest using FORMAT_GIF_URL runs as fast as it does in my local OC4J container. The problem seems to be in "packing time" in RealWorker:
Remote AS:
Thu Jun 30 13:59:34 CEST 2005 DEBUG [oracle.lbs.mapserver.core.MapperPool] freeMapper() begins...
Thu Jun 30 13:59:34 CEST 2005 DEBUG [oracle.lbs.mapserver.core.RealWorker] [RealWorker] preparation time: 99ms
Thu Jun 30 13:59:34 CEST 2005 DEBUG [oracle.lbs.mapserver.core.RealWorker] [RealWorker] querying/rendering time: 5560ms
Thu Jun 30 13:59:34 CEST 2005 DEBUG [oracle.lbs.mapserver.core.RealWorker] [RealWorker] packing time: 142605ms
Thu Jun 30 13:59:34 CEST 2005 DEBUG [oracle.lbs.mapserver.core.RealWorker] [RealWorker] --------------- total time: 148264ms
Local OC4J:
Thu Jun 30 15:34:42 CEST 2005 DEBUG [oracle.lbs.mapserver.core.MapperPool] freeMapper() begins...
Thu Jun 30 15:34:42 CEST 2005 DEBUG [oracle.lbs.mapserver.core.RealWorker] [RealWorker] preparation time: 540ms
Thu Jun 30 15:34:42 CEST 2005 DEBUG [oracle.lbs.mapserver.core.RealWorker] [RealWorker] querying/rendering time: 2490ms
Thu Jun 30 15:34:42 CEST 2005 DEBUG [oracle.lbs.mapserver.core.RealWorker] [RealWorker] packing time: 120ms
Thu Jun 30 15:34:42 CEST 2005 DEBUG [oracle.lbs.mapserver.core.RealWorker] [RealWorker] --------------- total time: 3150
The test server is smaller than my local system and more applications are running on the AS, generating the map takes all the available memory and cpu, but the difference between the time it takes generating a GIF image and generating a Java image of almost a factor 50 is puzzling.
What could cause this enormous difference? Any idea's about how we can analyze or solve this? What could RealWorker be doing in this packing time? Any hints would be greatly appreciated.
Many thanks,
Ida

Thanks for the replies!
1. Which AS version are you using? -> 10.1.2
2. Just as a test, if you restart AS (if possible) do you still get the same values? -> yes, we restarted the AS and the results are the same.
The server is indeed running low in memory. It is a 512MB machine, just big enough to run the AS. The production server will have some more, but not very much. Could I estimate how much extra memory it will need to keep a good performance when generating maps with live features? And maybe I'm wrong, but shouldn't the extra load for the java image only be on the client, since that's where the image is made? On the server it's just the image data, isn't it?
I tried removing the basemap, but that reduces the loading time just with a few seconds. The live themes are jdbc themes and result in only some 20 to 30 geofeatures. Removing them from the request so only an empty image with a title is retrieved still takes about 117 seconds. Reducing the device size does reduce the loading time, so it does seem to have something to do with the amount of pixels in the image space, not with the data. Could it be that in the "packing" of the image something happens that takes a lot of memory, related to the amount of pixels?
In my situation it would be handy if the live features were also returned when the image format is not set to FORMAT_RAW_COMPRESSED, it is also possible to draw shapes onto an existing image and this would bypass the memory problems.
Thanks for any further help.
Ida

Mapviewer demo mapinit.jsp with svg doesn't work with jdeveloper

hi ng,
i tried the source code for the svg-sample in jdeveloper and first of all jdeveloper dislikes the line "<embed id="map" src="<%= mv.getGeneratedMapImageURL() %>...". after "embed" a green line is to be seen.
When i start the sample the map looks okay, but when i want to hide a theme (or zoom), i get the internet_explorer-message "error on the page".
"themeVisibleArray[idx]='false';" goes right but the next line occurs the error: "map.window.hideTheme(theme) ;"
map is not known at this place, it seems to me.
who can help (please)?
greetings
thomas

hi,
i still have a problem. i can work on an existing svg-map but not on a just generated svg-map. zoomin2 works.
here's the code:
<%@ taglib uri="http://xmlns.oracle.com/j2ee/jsp/tld/spatial/mvtaglib.tld" prefix="mapviewer"%>
<%@ page contentType="text/html;charset=UTF-8"%>
<%@ page import="java.io.*"%>
<%@ page import="java.net.*"%>
<%@ page import="java.util.*"%>
<%@ page import="oracle.lbs.mapclient.*"%>
<%@ page import="oracle.lbs.mapcommon.MapResponse"%>
<%@ page import="java.awt.Dimension"%>
<%
String sizeStr = request.getParameter("initsize") ;
String scaleStr = request.getParameter("scale") ;
String cxStr = request.getParameter("centerX") ;
String cyStr = request.getParameter("centerY") ;
String baseMap = request.getParameter("basemap");
String _width = request.getParameter("width") ;
String _height = request.getParameter("height") ;
String _infoon = request.getParameter("infoon") ;
String action = request.getParameter("action");
boolean infoon = false;
boolean recenter = false ;
boolean zoomin = false ;
boolean zoomin2 = false ;
int width = 600 ;
int height = 400 ;
if(_width!=null && _height!=null)
try
width = Integer.parseInt(_width) ;
catch(Exception e){}
try
height = Integer.parseInt(_height) ;
catch(Exception e){}
if(baseMap==null) baseMap = "demo_map";
double size = 0.2 ;
try
size = Double.parseDouble(sizeStr) ;
catch(Exception e){}
double scale = 2 ;
try
scale = Double.parseDouble(scaleStr) ;
catch(Exception e){}
double cx = -122.2615 ;
try
cx = Double.parseDouble(cxStr) ;
catch(Exception e){}
double cy = 37.5266 ;
try
cy = Double.parseDouble(cyStr) ;
catch(Exception e){}
String dataSrc = request.getParameter("datasrc");
boolean newSession = false;
// retrieve mapviewer client handle from session
MapViewer mv = (MapViewer) session.getAttribute("mvhandle");
boolean sessionExpired = false ;
if(mv==null || request.getParameter("initflag")!=null)
if(request.getParameter("initflag")==null)
sessionExpired = true ;
else
//initializes MapViewer bean instance
newSession = true;
String mvURL = request.getParameter("mvurl");
// create a new mapviewer client handle
mv = new MapViewer(mvURL);
mv.setDataSourceName(dataSrc);
mv.setImageFormat(MapResponse.FORMAT_SVGZ_URL);
/* the javascript function svgClicked will be called when the svg map
is clicked. svgClicked is defined in this page, it recenters or zoomins
the map. */
mv.setSVGOnClick("svgClicked") ;
/* initial themes (from an existing base map) */
mv.addThemesFromBaseMap(baseMap);
mv.setSVGZoomLevels(3);
/* disable the builtin navigation bar */
mv.setShowSVGNavBar(false) ;
mv.setMapTitle(" MAP TITLE ");
mv.setMapLegend(
"<legend bgstyle=\"fill:#ffffff;stroke:#ff0000\" profile=\"MEDIUM\" position=\"SOUTH_EAST\">"+
" <column>"+
" <entry text=\"Map Legend\" is_title=\"true\" />"+
" <entry style=\"M.CITY HALL 3\" text=\"cities\" />"+
" <entry style=\"M.CITY HALL 4\" text=\"big cities\" />"+
" <entry style=\"L.PH\" text=\"interstate highway\" />"+
" </column></legend>");
mv.setDeviceSize(new Dimension(width, height));
session.setAttribute("mvhandle", mv); // keep client handle in the session
String themes[] = new String[0] ;
if(!sessionExpired)
themes = mv.getThemeNames() ;
mv.setCenter(cx, cy);
mv.setSize(size);
mv.setSVGZoomRatio(scale) ;
mv.setSVGShowInfo(infoon);
String[] checkedThemes = request.getParameterValues("_mthemev_");
if(checkedThemes!=null && checkedThemes.length>0)
Hashtable checked = new Hashtable(30) ;
for(int i=0; i<checkedThemes.length; i++)
checked.put(checkedThemes, checkedThemes[i]) ;
for(int i=0; i<themes.length; i++)
if(checked.get(themes[i])!=null)
mv.setThemeVisibleInSVG(themes[i], true);
else
mv.setThemeVisibleInSVG(themes[i], false) ;
mv.run() ;
%>
<html>
<head>
<title>untitled</title>
<%-- <embed id="map" name="map" src="<%= mv.getGeneratedMapImageURL() %>" width="<%= width %>" height="<%= height %>"></embed> --%>
<%-- src="images/omsmap3_56.svgz" --%>
<%-- src="<%= mv.getGeneratedMapImageURL() %>" --%>
<%-- <object name="map" data="images/test_svg.svgz" type="image/svg+xml" width="800" height="600" standby="Warte noch ein Weilchen..."> --%>
<%-- </object> --%>
<script type="text/javascript">
var mapSize = <%= size %> ;
var scale = <%= scale %> ;
var width=<%= width%> ;
var height=<%= height%> ;
var rcx = <%= cx %> ;
var rcy = <%= cy %> ;
var cx = <%= width/2%> ;
var cy = <%= height/2%> ;
var disabled = true ;
// var themeVisibleArray = ...
var info = <%= infoon %> ;
var legend = false ;
var clickZoomin = <%= zoomin %> ;
var clickRecenter = <%= recenter %> ;
function zoomin()
map.window.setZoomRatio(1.1);
function zoomin2()
map2.window.setZoomRatio(1.1);
</script>
</head>
<body>
<P>
<form method="GET" action="test2.jsp">
<P>Name:
<input type="text" size="60" name="name" value="<%= mv.getGeneratedMapImageURL() %>"/>
<input type="text" size="60" name="datasrc" value="<%= request.getParameter("datasrc") %>"/>
<input type="text" size="60" name="basemap" value="<%= request.getParameter("basemap") %>"/>
<input type="text" size="60" name="centerX" value="<%= request.getParameter("centerX") %>"/>
<input type="text" size="60" name="centerY" value="<%= request.getParameter("centerY") %>"/>
<input type="text" size="60" name="initsize" value="<%= request.getParameter("initsize") %>"/>
<input type="text" size="60" name="width" value="<%= request.getParameter("width") %>"/>
<input type="text" size="60" name="height" value="<%= request.getParameter("height") %>"/>
<input type="text" size="60" name="type" value="<%= request.getParameter("type") %>"/>
</P>
<P>
<input type="SUBMIT" value="Submit"/>
</P>
</form>
</P>
<table>
<tr>
<td colspan="2">
<I>URL</I>[<B><%=mv.getGeneratedMapImageURL()%></B>]
</td>
</tr>
</table>
<%-- images/test_svg.svgz --%>
<embed src="<%= mv.getGeneratedMapImageURL() %>" name="map" id="map" width="500" height="500" type="image/svg+xml" />
<embed src="images/test_svg.svgz" name="map2" id="map2" width="500" height="500" type="image/svg+xml" />
<%-- <embed id="map" src="<%= mv.getGeneratedMapImageURL() %>" width="<%= width %>" height="<%= height %>"></embed> --%>
<FORM name="form" action="test2.jsp" method="GET" >
<input type="radio" name="action" value="zoomin" <%= zoomin?"checked":"" %> onclick="zoomin()" ><B>Zoom In</B>
<input type="radio" name="action2" value="zoomin2" <%= zoomin2?"checked":"" %> onclick="zoomin2()" ><B>Zoom In2</B>
<input type="hidden" name="width" value="<%=width%>"/>
<input type="hidden" name="height" value="<%=height%>"/>
<input type="hidden" id="cx" name="centerX" value=""/>
<input type="hidden" id="cy" name="centerY" value=""/>
<input type="hidden" id="size" name="initsize" value=""/>
<input type="hidden" id="scale" name="scale" value=""/>
<input type="hidden" id="infoon" name="infoon" value="<%=(infoon?"yes":"no")%>" />
</FORM>
<br>
<P>
</P>
</body>
</html>

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