Hi
Thanks for the tips! Its not quite what I was looking for unfortunately. I
need the ability to add a point to be connected to a button I have on the web
page rather than a specific OpenLayers Vector control.
I have added the HTML element to hopefully help describe what I am trying to
achieve.
Thanks again
Chris
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb"
Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml";>
<head>
<title>OpenLayers </title>
<script
src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAA-G5pfbkze92iVXWIhk7eJxRqZzHA8hAfFngd-nr1bRnZnyrphBR_DAMWurr6RFvtr6noMigi_EMbsw"type="text/javascript";></script>
<script src="http://openlayers.org/api/OpenLayers.js";
type="text/javascript"></script>
<script src="JScript.js" type="text/javascript"></script>
<style type="text/css">
#Button1
{
width: 83px;
}
#Button2
{
width: 81px;
margin-left: 9px;
}
#Button3
{
width: 80px;
margin-left: 9px;
}
#Button4
{
width: 82px;
height: 21px;
}
#Button5
{
width: 82px;
margin-left: 710px;
margin-top: 0px;
margin-bottom: 0px;
}
</style>
<script language="javascript" type="text/javascript">
// <!CDATA[
// ]]>
</script>
</head>
<body onload="initialiseMap()" bgcolor="#6699ff">
<p>
<input id="Button1" type="button" onclick=" singleClickButton ()"
value="Single Click" />
</p>
<div style="height: 563px; width: 1063px; margin-top: 0px;" id="map">
</div>
</body>
</html>
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Alexandre Dube
Sent: 13 November 2009 14:04
To: Jones, Christopher
Cc: [email protected]
Subject: Re: [OpenLayers-Users] Add Point to Map
Christopher,
Look at the following example [1]. It should helps you a lot. (click
on the small pencil to add a point).
See also this article [2] about spherical mercator.
Kind regards,
Alexandre
[1] http://openlayers.org/dev/examples/spherical-mercator.html
[2] http://docs.openlayers.org/library/spherical_mercator.html
Jones, Christopher wrote:
>
> Hi all,
>
>
>
> Im fairly new to OpenLayers and javascript for that matter as well.
> Having looked extensively through all the various examples and forums
> and blogs, and one or 2 tutorials, I am still struggling to add a
> point to a map (or a vector layer)! All I want, is to click on a map
> and adda a point. Heres my code, please feel free to point all the
> errors you want!
>
>
>
> Thanks in advance!
>
>
>
> Chris
>
> (Sorry if this has been sent twice)
>
>
>
>
>
> var myStyles = new OpenLayers.StyleMap({
>
> "default": new OpenLayers.Style({
>
> fillColor: "#ffcc66",
>
> strokeColor: "#ff9933",
>
> strokeWidth: 10
>
> })
>
> });
>
>
>
> function initialiseMap(){
>
> map = new OpenLayers.Map('map');
>
> map.addControl(new OpenLayers.Control.LayerSwitcher());
>
> var gphy = new OpenLayers.Layer.Google(
>
> "Google Physical",
>
> { type: G_PHYSICAL_MAP }
>
> );
>
> var gmap = new OpenLayers.Layer.Google(
>
> "Google Streets",
>
> {numZoomLevels: 20 }
>
> );
>
> var ghyb = new OpenLayers.Layer.Google(
>
> "Google Hybrid",
>
> { type: G_HYBRID_MAP, numZoomLevels: 20 }
>
> );
>
> var gsat = new OpenLayers.Layer.Google(
>
> "Google Satellite",
>
> { type: G_SATELLITE_MAP, numZoomLevels: 20 }
>
> );
>
> map.addLayers([gphy, gmap, ghyb, gsat]);
>
> map.setCenter(new OpenLayers.LonLat(-74.0094,
> 40.7048), 5);
>
> map.addControl(new OpenLayers.Control.PanZoomBar());
>
> map.addControl(new OpenLayers.Control.MousePosition());
>
> }
>
>
>
>
>
>
>
> function singleClickButton() {
>
> document.getElementById("map").childNodes[0].style.cursor =
> "crosshair";
>
> map.events.register('click', '', singleClickEvent);
>
>
>
> }
>
>
>
> function singleClickEvent (e) {
>
> var lonlat = map.getLonLatFromViewPortPx(e.xy);
>
> var lon = lonlat.lon
>
> var lat = lonlat.lat
>
>
>
> var pointLayer = new OpenLayers.Layer.Vector('Points', { styleMap:
> myStyles });
>
> map.addLayers([pointLayer]);
>
> var bPoint = new OpenLayers.Geometry.Point(lon , lat)
>
> newpoint = new OpenLayers.Feature.Vector(bPoint);
>
> pointLayer.addFeatures(newpoint);
>
>
>
> }
>
>
>
>
>
>
>
>
>
>
>
>
>
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> This email has been sent by a member of staff of one or more of the
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>
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--
Alexandre Dubé
Mapgears
www.mapgears.com
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IMPORTANT - This email and the information that it contains may be
confidential, legally privileged and protected by law. Access by the intended
recipient only is authorised. Any liability (in negligence or otherwise)
arising from any third party acting, or refraining from acting, on any
information contained in this email is hereby excluded. If you are not the
intended recipient, please notify [email protected] immediately
then delete it and do not disclose the contents to any other person, use it for
any purpose or store or copy the information in any medium.
Copyright in this email and attachments created by us belong to Amlin plc
and/or one or more of its subsidiaries (Amlin Group). The author also asserts
the right to be identified as such and object to any misuse.
The Amlin Group prohibits and takes steps to prevent its email systems from
being used to view, store or transmit offensive, obscene or discriminatory
material. If this message contains inappropriate material please report it
immediately to [email protected].
The Amlin Group records, monitors and may inspect messages that use its
telecoms systems in order to protect its information, interests and reputation.
Any message sent by you to or within the Amlin Group may therefore be viewed
and may be acted upon.
Of the companies within the Amlin Group, Amlin Underwriting Limited, Amlin
Underwriting Services Limited, Amlin UK Limited and Amlin Plus Limited are
authorised and regulated by the Financial Services Authority.
This email has been sent by a member of staff of one or more of the following
Amlin Group companies:
Amlin plc. Registered in England and Wales no. 2854310
Amlin Underwriting Limited. Registered in England and Wales no. 2323018
Amlin Underwriting Services Limited. Registered in England and Wales no. 422615
Amlin UK Limited. Registered in England and Wales no. 2739220
Amlin Plus Limited. Registered in England and Wales no. 4729659
Registered Offices: St Helen's, 1 Undershaft, London EC3A 8ND, United Kingdom
Amlin plc switchboard: 020 7746 1000
Web Site: http://www.amlin.com
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