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constellation_test.html
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constellation_test.html
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Hide Code
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" content="chrome=1, IE=edge" http-equiv="X-UA-Compatible" />
<title>WWT Web Client Click Event</title>
<script src="http://www.worldwidetelescope.org/scripts/wwtsdk.aspx"></script>
<script>
// Create the WorldWide telescope object variable
var wwt;
// Create variables to hold the changeable settings
var bShowCrosshairs = true;
var bShowUI = true;
var bShowFigures = true;
var bShowCircles = false;
var bShowAlerts = false;
// This function initializes the wwt object and registers the wwtReady event
// once the initialization is done the wwtReady event will be fired
function initialize() {
wwt = wwtlib.WWTControl.initControl("WWTCanvas");
wwt.add_ready(wwtReady);
wwt.add_clicked(wwtClick);
}
// A simple function to toggle the settings
// This function is called from the checkbox entries setup in the html table
function toggleSetting(text) {
switch (text) {
case 'ShowUI':
bShowUI = !bShowUI;
wwt.hideUI(!bShowUI);
break;
case 'ShowCrosshairs':
bShowCrosshairs = !bShowCrosshairs;
wwt.settings.set_showCrosshairs(bShowCrosshairs);
break;
case 'ShowFigures':
bShowFigures = !bShowFigures;
wwt.settings.set_showConstellationFigures(bShowFigures);
break;
case 'ShowCircles':
bShowCircles = !bShowCircles;
break;
case 'ShowAlerts':
bShowAlerts = !bShowAlerts;
break;
}
}
// A function to change the view to different constellations
// This function is called from the button entries in the html table
function GotoConstellation(text) {
switch (text) {
case 'Sagittarius':
wwt.gotoRaDecZoom(286.485, -27.5231666666667, 60, false);
break;
case 'Aquarius':
wwt.gotoRaDecZoom(334.345, -9.21083333333333, 60, false);
break;
case 'Camelopardalis':
wwt.gotoRaDecZoom(90.0, 72.000, 100, false);
break;
case 'Vulpecula':
wwt.gotoRaDecZoom(303.47, 24.4426666666667, 100, false);
break;
}
}
// A function to create a circle, and return a reference to the circle
var circleCount = 0;
function createWWTCircle(fill, lineColor, fillColor, lineWidth, opacity, radius, skyRelative, ra, dec) {
var circle = wwt.createCircle(fill);
circleCount++;
circle.set_id("Circle" + circleCount.toString());
circle.set_lineColor(lineColor);
circle.set_fillColor(fillColor);
circle.set_lineWidth(lineWidth);
circle.set_opacity(opacity);
circle.set_radius(radius);
circle.set_skyRelative(skyRelative);
circle.setCenter(ra, dec);
return circle;
}
// Simple function to clear all the annotations from the view
function clearAnnotations() {
wwt.clearAnnotations();
}
// Function that responds to the mouse click event
function wwtClick(obj, eventArgs) {
if (bShowCircles) {
var circle1 = createWWTCircle(false, "green", "", 4, 1.0, 10, false, eventArgs.get_RA(), eventArgs.get_dec());
wwt.addAnnotation(circle1);
}
if (bShowAlerts){
alert("Click at RA:" + eventArgs.get_RA().toString() + ", Dec:" + eventArgs.get_dec().toString());
}
}
// The wwtReady function is called by the WWT Web Control software
// This function sets up the wwt object, and the initial defaults
function wwtReady() {
wwt.settings.set_showCrosshairs(bShowCrosshairs);
wwt.settings.set_showConstellationFigures(bShowFigures);
wwt.hideUI(!bShowUI);
wwt.settings.set_showConstellationBoundries(true);
}
</script>
</head>
<body onload="initialize()" >
<!-- The body section creates a table with two columns. The first contains the -->
<!-- canvas object that the WWT web client uses as the render target. And the second a table within-->
<!-- the table, containing some buttons and checkboxes.-->
<table border="2" bgcolor="lightgrey">
<tr><td>
<div id="WorldWideTelescopeControlHost">
<div id="WWTCanvas" style="width: 750px; height: 750px; border-style: none; border-width: 0px;">
</div>
</div>
</td><td>
<table border="2" cellspacing="4" cellpadding="4" bgcolor="gold">
<tr>
<th colspan="2"><h2>WWT Web Client Click Event</h2></th>
</tr>
<tr>
<th colspan = "2">
<input type="button" id="Sagittarius" value="Goto Sagittarius" onclick="GotoConstellation('Sagittarius')"/>
<input type="button" id="Aquarius" value="Goto Aquarius" onclick="GotoConstellation('Aquarius')"/></th>
</tr>
<tr>
<th colspan = "2">
<input type="button" id="Camelopardalis" value="Goto Camelopardalis" onclick="GotoConstellation('Camelopardalis')"/>
<input type="button" id="Vulpecula" value="Goto Vulpecula" onclick="GotoConstellation('Vulpecula')"/></th>
</tr>
<tr>
<th colspan = "2">Settings</th>
</tr>
<!-- <tr>
<td> Show UI </td>
<td> <input id="UI" type="checkbox" checked="checked" onclick="toggleSetting('ShowUI');"/></td>
</tr>-->
<tr>
<td> Show Crosshairs</td>
<td> <input id="Crosshairs" type="checkbox" checked="checked" onclick="toggleSetting('ShowCrosshairs');"/></td>
</tr>
<tr>
<td> Show Figures </td>
<td> <input id="Figures" type="checkbox" checked="checked" onclick="toggleSetting('ShowFigures');"/></td>
</tr>
<tr>
<th colspan = "2">On Click</th>
</tr>
<tr>
<td> Show circles </td>
<td> <input id="circles" type="checkbox" onclick="toggleSetting('ShowCircles');"/></td>
</tr>
<tr>
<td> Show Alerts </td>
<td> <input id="alerts" type="checkbox" onclick="toggleSetting('ShowAlerts');"/></td>
</tr>
<tr>
<td> Clear all the current circles</td>
<td> <input id="clear" type="button" value="Clear" onclick="clearAnnotations();"/></td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>