JavaScript DHTML/Page Components/Rotating globe — различия между версиями
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Версия 10:00, 26 мая 2010
Rotating globe in JavaScript
<?xml version="1.0" encoding="utf-8" ?>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>rotating globe</title>
<!-- misc.js -->
<script language="JavaScript" >
/*------------------------------------------------------------------------------
Copyright (c) 2005 Tyrell Corporation.
This file is part of the Locative Blog project.
http://locblog.sourceforge.net/
Author : $Author: darkeye $
Version : $Revision: 1.1.1.1 $
Location : $Source: /cvsroot/locblog/rotatingGlobe/var/public_html/misc.js,v $
Abstract :
Utility functions.
Copyright notice:
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
------------------------------------------------------------------------------*/
/**
* Constructor to reate an object, based on a named element from the document,
* browser-independently.
* The created object will have two properties:
* obj - the named object itself
* style - the stylesheet object for the named object.
*
* based on http://www.quirksmode.org/js/dhtmloptions.html
*
* @param name the name of the element to create this object upon.
*/
function getObj(name)
{
if (document.getElementById) {
this.obj = document.getElementById(name);
this.style = document.getElementById(name).style;
} else if (document.all) {
this.obj = document.all[name];
this.style = document.all[name].style;
} else if (document.layers) {
this.obj = document.layers[name];
this.style = document.layers[name];
}
}
/**
* Find the X coordinate of an element in the document.
* based on http://www.quirksmode.org/js/findpos.html
*
* @param obj the element in the document.
* @return the x coordinate for this element.
*/
function findPosX(obj)
{
var curleft = 0;
if (obj.offsetParent) {
while (obj.offsetParent) {
curleft += obj.offsetLeft
obj = obj.offsetParent;
}
} else if (obj.x) {
curleft += obj.x;
}
return curleft;
}
/**
* Find the Y coordinate of an element in the document.
* based on http://www.quirksmode.org/js/findpos.html
*
* @param obj the element in the document.
* @return the x coordinate for this element.
*/
function findPosY(obj)
{
var curtop = 0;
if (obj.offsetParent) {
while (obj.offsetParent) {
curtop += obj.offsetTop
obj = obj.offsetParent;
}
} else if (obj.y) {
curtop += obj.y;
}
return curtop;
}
/**
* Replace the contenst of a DOM element.
* based on http://www.quirksmode.org/js/layerwrite.html
*
* @param id the id of the element.
* @param text the new text of the element.
*/
function replaceContent(id, text)
{
if (document.getElementById) {
x = document.getElementById(id);
x.innerHTML = "";
x.innerHTML = text;
} else if (document.all) {
x = document.all[id];
x.innerHTML = text;
} else if (document.layers) {
x = document.layers[id];
text2 = "<P CLASS="testclass">" + text + "</P>";
x.document.open();
x.document.write(text2);
x.document.close();
}
}
/**
* Function to calculate the X coordinate of an orthographic projection.
* based on http://mathworld.wolfram.ru/OrthographicProjection.html
*
* @param phi the lattitude of the point on the sphere
* @param lambda the longitude of the point on the sphere
* @param phi1 the lattitude of the viewpoint
* @param lambda1 the longitued of the viewpoint
* @return the x coordinate of the specified point.
*/
function orthographicX(phi, lambda, phi1, lambda1)
{
var x = Math.cos(phi) * Math.sin(lambda - lambda1);
return x;
}
/**
* Function to calculate the Y coordinate of an orthographic projection
* based on http://mathworld.wolfram.ru/OrthographicProjection.html
*
* @param phi the lattitude of the point on the sphere
* @param lambda the longitude of the point on the sphere
* @param phi1 the lattitude of the viewpoint
* @param lambda1 the longitued of the viewpoint
* @return the y coordinate of the specified point.
*/
function orthographicY(phi, lambda, phi1, lambda1)
{
var y = Math.cos(phi1) * Math.sin(phi)
- Math.sin(phi1) * Math.cos(phi) * Math.cos(lambda - lambda1);
return y;
}
/**
* Helper function to convert a latitude or longitued into radii.
*
* @param degrees the latitude or longitude
* @return the same value, in radii
*/
function toRadii(degrees)
{
return (degrees / 180.0) * Math.PI;
}
</script>
<!-- GeoLocation.js -->
<script language="JavaScript">
/*------------------------------------------------------------------------------
Copyright (c) 2005 Tyrell Corporation.
This file is part of the Locative Blog project.
http://locblog.sourceforge.net/
Author : $Author: darkeye $
Version : $Revision: 1.1.1.1 $
Location : $Source: /cvsroot/locblog/rotatingGlobe/var/public_html/GeoLocation.js,v $
Abstract :
A class representing a geogpraphical location.
Copyright notice:
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
------------------------------------------------------------------------------*/
/**
* Constructor for a geographic location, with a link.
*
* @param id the id of the location (no spaces, etc.)
* @param name the name of the location
* @param longitude the longitude coordinate of the location
* @param latitude the latitude coordinate of the location
* @param url the url for more info on the location
*/
function GeoLocation(id,
name,
longitude,
latitude,
url)
{
// the id of the location
this.id = id;
// the name of the location
this.name = name;
// the longitude coordinate of the location
this.longitude = longitude < 0 ? 360 + longitude : longitude;
// the latitude coordinate of the location
this.latitude = latitude;
// the url for more info on the location
this.url = url;
// the image used to mark the location visually
this.markerImage = "globeImages/5x5.png";
// the width of the marker image
this.markerWidth = 5;
// the height of the marker image
this.markerHeight = 5;
// the x coordinate of this location, relative to the page window
this.x = 0;
// the y coordinate of this location, relative to the page window
this.y = 0;
// create the CSS definition for this location
this.styleDefinition = geoLocationStyleDefinition;
// create the HTML element source for this location
this.htmlDefinition = geoLocationHtmlDefinition;
// display the location object on a RotatingGlobe object
this.display = geoLocationDisplay;
// move the marker depiciting the location to the specified position
this.moveMarker = geoLocationMoveMarker;
// hide the marker depiciting the location
this.hideMarker = geoLocationHideMarker;
// show the location popup near the geo location
this.showPopup = geoLocationShowPopup;
// hide the location popup near the geo location
this.hidePopup = geoLocationHidePopup;
// Tell if the longitude coordinate of the GeoLocation object is visible
// from a reference viewpoint.
this.longitudeVisible = geoLocationLongitudeVisible;
}
/**
* Create the CSS definition for this location
*
* @return the CSS definition for this location, as a string
*/
function geoLocationStyleDefinition()
{
return "#" + this.id + "{"
+ " position: absolute; "
+ " top: 0px; "
+ " left: 0px; "
+ "}\n";
}
/**
* Create the HTML element source for this location
*
* @return the HTML element source for this location, as a string.
*/
function geoLocationHtmlDefinition()
{
return "<a id="" + this.id + "" href="" + this.url + "">"
+ "<img name="" + this.id + "" alt="" + this.name + "" "
+ "src="" + this.markerImage + "" "
+ "width="" + this.markerWidth + "" "
+ "height="" + this.markerHeight + "" border="0"/>"
+ "</a>\n";
}
/**
* Move the marker depicting the location to the specified coordinates.
*/
function geoLocationMoveMarker()
{
var locationObject = new getObj(this.id);
locationObject.style.top = this.y + "px";
locationObject.style.left = this.x + "px";
locationObject.style.visibility = "visible";
}
/**
* Hide the Marker depicting the location.
*/
function geoLocationHideMarker()
{
var locationObject = new getObj(this.id);
locationObject.style.visibility = "hidden";
}
/**
* Show the popup text near the location.
*/
function geoLocationShowPopup()
{
replaceContent("locationPopup", this.name);
var popup = new getObj("locationPopup");
// display a bit to the right and above
popup.style.left = (this.x + 10) + "px";
popup.style.top = (this.y - 15) + "px";
popup.style.visibility = "visible";
}
/**
* Hide the popup near the location.
*/
function geoLocationHidePopup()
{
var popup = new getObj("locationPopup");
popup.style.visibility = "hidden";
}
/**
* Display the location on the map.
*
* @param globe a RotatingGlobe object, on which to display the location
*/
function geoLocationDisplay(globe)
{
longStepSize = 360.0 / globe.maxPosition;
viewLongitude = globe.position * longStepSize;
if (!this.longitudeVisible(viewLongitude)) {
this.hideMarker();
return;
}
lambda = toRadii(this.longitude);
phi = toRadii(this.latitude);
lambda1 = toRadii(viewLongitude);
phi1 = toRadii(0);
x = (orthographicX(phi, lambda, phi1, lambda1) * (globe.realGlobeWidth/2))
+ (globe.globeImage.width / 2);
y = globe.globeImage.height
- ((orthographicY(phi, lambda, phi1, lambda1) * (globe.realGlobeHeight/2))
+ (globe.globeImage.height / 2) );
this.x = globe.globeImageX + x;
this.y = globe.globeImageY + y;
this.moveMarker();
}
/**
* Tell if the longitude coordinate of the GeoLocation object is visible
* from a reference viewpoint.
* It"s not visible if it would be "on the other side of the planet"
*
* @param refLongitude the reference view point, to check from.
* @return true if longitude is visible, false otherwise
*/
function geoLocationLongitudeVisible(refLongitude)
{
var westEdge = refLongitude - 90;
var eastEdge = refLongitude + 90;
if (westEdge >= 0 && eastEdge < 360) {
return westEdge <= this.longitude && this.longitude <= eastEdge;
} else if (eastEdge >= 360) {
eastEdge -= 360;
return westEdge <= this.longitude || this.longitude <= eastEdge;
} else {
westEdge += 360;
return westEdge <= this.longitude || this.longitude <= eastEdge;
}
}
</script>
<!-- RotatingGlobe.js -->
<script language="JavaScript">
/*------------------------------------------------------------------------------
Copyright (c) 2005 Tyrell Corporation.
This file is part of the Locative Blog project.
http://locblog.sourceforge.net/
Author : $Author: darkeye $
Version : $Revision: 1.1.1.1 $
Location : $Source: /cvsroot/locblog/rotatingGlobe/var/public_html/RotatingGlobe.js,v $
Abstract :
A rotating globe JavaScript object.
Copyright notice:
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
------------------------------------------------------------------------------*/
/**
* Event handler for a preloaded image finishing loading.
* This function expects the rotating globe, for which preloaded images
* are checked, being available at the global variable named "globe".
*
* @return true if all images are loaded, false otherwise.
*/
function globeImageLoaded()
{
if (globe.imagesLoaded()) {
globe.init();
return true;
}
return false;
}
/**
* Start dragging the image by the mouse move.
* This function expects the rotating globe at a global variable named "globe"
*/
function globeDragImage()
{
globe.startDragImage();
document.globe.onmousemove = globeTrackMouseMove;
}
/**
* Stop dragging the image by the mouse move.
* This function expects the rotating globe at a global variable named "globe"
*/
function globeUndragImage()
{
document.globe.onmousemove = null;
globe.stopDragImage();
}
/**
* Track the mouse movement, and change the globe view if necessary.
* This function expects the rotating globe at a global variable named "globe"
*
* @param event the mouse movement event.
*/
function globeTrackMouseMove(event)
{
// first tell the current mouse position, possibly in all browsers
// thanks to http://www.quirksmode.org/js/events_properties.html
var posx = 0;
var posy = 0;
if (!event) {
var event = window.event;
}
if (event.pageX || event.pageY) {
posx = event.pageX;
posy = event.pageY;
} else if (event.clientX || event.clientY) {
posx = event.clientX + document.body.scrollLeft;
posy = event.clientY + document.body.scrollTop;
}
// display the detected coordinates, for debug reasons
document.test.x.value = posx;
document.test.y.value = posy;
globe.updateView(posx, posy);
}
/**
* The contructor class depicting the rotating globe.
*
* @param globeImage the globe <img/> tag in the page,
* that holds the globe images.
* @param globeBorder the number of pixels the image has a border around
* the enclosed globe. it is expected that the image has a globe at
* its center, which is surrounded by a border on each side with
* this many pixels. thus the actual globe is
* globeImage.width - (2 * globeBorder) wide, and
* globeImage.height - (2 * globeBorder) in height.
* @param locations an array holding GeoLocation object, the list of
* interesting locations.
*/
function RotatingGlobe(globeImage, globeBorder, locations)
{
// the <img/> element in the page, holding the globe images
this.globeImage = globeImage;
// the size of the border around the globe in the image
this.globeBorder = globeBorder;
// the interesting locations on the globe
this.locations = locations;
// the X coordinate of the upper-left corner of the globe image
// in the browser window
this.globeImageX = findPosX(document.globe);
// the Y coordinate of the upper-left corner of the globe image
// in the browser window
this.globeImageY = findPosY(document.globe);
// the real height of the globe itself, inside the image
this.realGlobeHeight = this.globeImage.width - (2 * this.globeBorder);
// the real width of the globe itself, inside the image
this.realGlobeWidth = this.globeImage.height - (2 * this.globeBorder);
// the number of view positions available
this.maxPosition = 36;
// the current view position
this.position = 0;
// the prefix for each globe image
// the image names are: imagePrefix + position + imagePostfix
this.imagePrefix = "globeImages/globe";
// the postfix for each globe image
// the image names are: imagePrefix + position + imagePostfix
this.imagePostfix = ".jpg";
// the globe images, as an array
this.images = Array(this.maxPosition);
// the x coordinate, which if passed by the mouse, triggers a move to east
this.eastThreshold = 0;
// the x coordinate, which if passed by the mouse, triggers a move to west
this.westThreshold = 0;
// the size of the x coordinate window to trigger a move to east or west
// by the mouse movement
this.thresholdStep = 20;
// a flag indicating if this object has already been initialized
this.initialized = false;
// preload all the images for the globe
this.preloadImages = rotatingGlobePreloadImages;
// tell if all images that are to be preloaded have completed loading.
this.imagesLoaded = rotatingGlobeImagesLoaded;
// initialize the globe, after all the images have been loaded
this.init = rotatingGlobeInit;
// start mouse dragging
this.startDragImage = rotatingGlobeStartDragImage;
// stop mouse dragging
this.stopDragImage = rotatingGlobeStopDragImage;
// update the view point according to the new mouse coordinates, if needed
this.updateView = rotatingGlobeUpdateView;
// function to return the name of an image for a specified position
this.imageName = rotatingGlobeImageName;
// rotate the viewpoint one step to the east
this.rotateEast = rotatingGlobeRotateEast;
// rotate the viewpoint one step to the west
this.rotateWest = rotatingGlobeRotateWest;
// reset the mouse movement thresholds triggering view point change
this.resetThreshold = rotatingGlobeResetThreshold;
// display the locations
this.displayLocations = rotatingGlobeDisplayLocations;
}
/**
* Function returning the name of an image for a specified position
*
* @param position the view position to get the image for, must be
* in the interval [0:maxPosition[
* @return the name of the appropariate globe image, as a string
*/
function rotatingGlobeImageName(position)
{
return this.imagePrefix + position + this.imagePostfix;
}
/**
* Rotate the current viewpoint one step to the east.
*/
function rotatingGlobeRotateEast()
{
this.position = (++this.position) % this.maxPosition;
this.globeImage.src = this.images[this.position].src;
this.displayLocations();
}
/**
* Rotate the current viewpoint one step to the east.
*/
function rotatingGlobeRotateWest()
{
this.position = (--this.position) % this.maxPosition;
if (this.position < 0) {
this.position += this.maxPosition;
}
this.globeImage.src = this.images[this.position].src;
this.displayLocations();
}
/**
* Preload all the images, so that they are in the browsers cache.
*/
function rotatingGlobePreloadImages()
{
this.initialized = false;
for (i = 0; i < this.maxPosition; ++i) {
this.images[i] = new Image(this.globeImage.width,
this.globeImage.height);
this.images[i].onload = globeImageLoaded;
this.images[i].src = this.imageName(i);
}
}
/**
* Tell if all images that are to be preloaded have completed loading.
*
* @return true if all images have been loaded, false otherwise
*/
function rotatingGlobeImagesLoaded()
{
var allCompleted = true;
for (i = 0; i < this.maxPosition; ++i) {
if (!this.images[i].ruplete) {
allCompleted = false;
break;
}
}
return allCompleted;
}
/**
* Initialize the globe, after all the images have been loaded.
* This means grabbing event handlers, etc.
*/
function rotatingGlobeInit()
{
if (this.initialized) {
return;
}
this.thresholdStep = this.globeImage.width / (this.maxPosition + 1);
this.globeImage.onmousedown = globeDragImage;
this.globeImage.onmouseup = globeUndragImage;
this.globeImage.src = this.images[0].src;
this.initialized = true;
for (i = 0; i < locations.length; ++i) {
var obj = new getObj(locations[i].id);
obj.obj.onmouseover = locationShowPopup;
obj.obj.onmouseout = locationHidePopup;
}
this.displayLocations();
}
/**
* Find a location in an array of locations, by its id.
*
* @param locations an array of GeoLocation objects.
* @param id the id of the location to look for
* @return the requested GeoLocation object, or null if not found.
*/
function getLocationById(locations, id) {
for (i = 0; i < locations.length; ++i) {
if (locations[i].id == id) {
return locations[i];
}
}
return null;
}
/**
* Event hanlder for showing the popup near a location.
*
* @param event the event triggering this call. it is expected that the event
* target name is a valid GeoLocation id in the locations array.
*/
function locationShowPopup(event) {
geoLocation = getLocationById(locations, event.target.name);
if (geoLocation != null ) {
geoLocation.showPopup();
}
}
/**
* Event hanlder for hiding the popup near a location.
*
* @param event the event triggering this call. it is expected that the event
* target name is a valid GeoLocation id in the locations array.
*/
function locationHidePopup(event) {
geoLocation = getLocationById(locations, event.target.name);
if (geoLocation != null ) {
geoLocation.hidePopup();
}
}
/**
* Reset the mouse movement thresholds. Set the new limits for when
* to change the view point, if the mouse move beyonds these limints.
*
* @param posx the current position, from where the relative thresholds
* have to be set up.
*/
function rotatingGlobeResetThreshold(posx)
{
this.eastThreshold = posx - this.thresholdStep;
this.westThreshold = posx + this.thresholdStep;
}
/**
* Start mouse dragging
*/
function rotatingGlobeStartDragImage()
{
this.eastThreshold = 0;
this.westThreshold = 0;
}
/**
* Stop mouse dragging.
*/
function rotatingGlobeStopDragImage()
{
this.eastThreshold = 0;
this.westThreshold = 0;
}
/**
* Update the view point according to the new mouse coordinates, if needed.
*
* @param x the new x coordinate for the mouse
* @param y the new y coordinate for the mouse
*/
function rotatingGlobeUpdateView(x, y)
{
// if this is the first event after started dragging, initialize
// the appropriate thresholds
if (this.eastThreshold == 0 && this.westThreshold == 0) {
this.resetThreshold(x);
}
// change the view point, if needed
if (x > this.westThreshold) {
this.rotateWest();
this.resetThreshold(x);
} else if (x < this.eastThreshold) {
this.rotateEast();
this.resetThreshold(x);
}
}
/**
* Display all interesting locations on the map.
*/
function rotatingGlobeDisplayLocations()
{
for (i = 0; i < locations.length; ++i) {
this.locations[i].display(this);
}
}
</script>
<script language="JavaScript">
/**
* The global rotating globe object, the event handlers depend on this.
*/
var globe;
/**
* The locations.
*/
var locations = Array();
</script>
<!-- locations.js -->
<script language="JavaScript">
/*------------------------------------------------------------------------------
Copyright (c) 2005 Tyrell Corporation.
This file is part of the Locative Blog project.
http://locblog.sourceforge.net/
Author : $Author: darkeye $
Version : $Revision: 1.1.1.1 $
Location : $Source: /cvsroot/locblog/rotatingGlobe/var/public_html/locations.js,v $
Abstract :
A sample location data definition file.
Copyright notice:
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
------------------------------------------------------------------------------*/
locations.push(new GeoLocation(
"amsterdam", "Amsterdam", 4.54, 52.23, "/amsterdam"));
locations.push(new GeoLocation(
"bangkok", "Bangkok", 100.50, 13.73, "/bangkok"));
locations.push(new GeoLocation(
"budapest", "Budapest", 19.05, 47.50, "/budapest"));
locations.push(new GeoLocation(
"chiang_mai", "Chiang Mai", 99.03, 18.82, "/chiang_mai"));
locations.push(new GeoLocation(
"linz", "Linz", 14.18, 48.19, "/linz"));
locations.push(new GeoLocation(
"london", "London", -0.16, 51.50, "/london"));
locations.push(new GeoLocation(
"luang_prabang", "Luang Prabang", 102.14, 19.88, "/luang_prabang"));
locations.push(new GeoLocation(
"new_york", "New York", -74.00, 40.70, "/new_york"));
locations.push(new GeoLocation(
"Paris", "Paris", 2.33, 48.87, "/paris"));
locations.push( new GeoLocation(
"philadelphia", "Philadelphia", -75.12, 39.96, "/philadelphia"));
locations.push( new GeoLocation(
"prague", "Prague", 14.43, 50.10, "/prague"));
locations.push( new GeoLocation(
"rotterdam", "Rotterdam", 4.29, 51.55, "/rotterdam"));
locations.push( new GeoLocation(
"taipei", "Taipei", 121.36, 25.01, "/taipei"));
locations.push( new GeoLocation(
"tokyo", "Tokyo", 139.50, 35.75, "/tokyo"));
locations.push( new GeoLocation(
"vienna", "Vienna", 16.36, 48.20, "/vienna"));
locations.push( new GeoLocation(
"washington", "Washington DC", -77.03, 38.88, "/washington"));
</script>
<script language="JavaScript">
/**
* Initialize the page, after it has loaded.
*/
function onPageLoad()
{
globe = new RotatingGlobe(document.globe, 30, locations);
// this sets up event handlers for the preloaded images
globe.preloadImages();
// as not all event handlers are called (damn these lame browswers)
// set a timout value and call the load image hanlder ourselves
makeSureImagesAreLoaded()
}
/**
* Make sure all images are loaded, by checking on this regularly.
*/
function makeSureImagesAreLoaded()
{
if (!globeImageLoaded()) {
// if not ready, check a second later as well
setTimeout("makeSureImagesAreLoaded()", 1000);
}
}
/**
* Rotate the globe one step to the east.
*/
function rotateEast()
{
globe.rotateEast();
}
/**
* Rotate the globe one step to the west.
*/
function rotateWest()
{
globe.rotateWest();
}
</script>
<script language="JavaScript">
// create the style sheet definition for each geo location
document.write("<style type="text/css">");
for (i = 0; i < locations.length; ++i) {
document.write(locations[i].styleDefinition());
}
document.write("</style>");
</script>
<style type="text/css">
#locationPopup {
position: absolute;
top: 0px;
left: 0px;
visibility: hidden;
font: 14px arial;
font-weight: bold;
color: yellow;
}
</style>
</head>
<body onLoad="onPageLoad();">
<a href="#" onClick="javascript:rotateWest(); return false;">west</a>
|
<a href="#" onClick="javascript:rotateEast(); return false;">east</a>
<br/>
<img name="globe" src="images/loading.png" width="650" height="650" alt="globe"/>
<br/>
<form name="test">
X: <input type="text" name="x" size="4">
Y: <input type="text" name="y" size="4">
</form>
<script language="JavaScript">
// create the HTML element for each geo location
for (i = 0; i < locations.length; ++i) {
document.write(locations[i].htmlDefinition());
}
</script>
<div id="locationPopup"></div>
</body>
<A href="http://www.wbex.ru/Code/JavaScriptDownload/rotatingGlobe-0.1.zip">rotatingGlobe-0.1.zip( 4,605 k)</a>
