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js9fitsy.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http:https://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge;chrome=1" >
<link type="image/x-icon" rel="shortcut icon" href="./favicon.ico">
<link type="text/css" rel="stylesheet" href="js9support.css">
<link type="text/css" rel="stylesheet" href="js9.css">
<link type="text/css" rel="stylesheet" href="plugins/plugintest.css">
<link type="text/css" rel="stylesheet" href="js9debugextras/jquery.datetimepicker.css">
<script type="text/javascript" src="js9support.js"></script>
<script type="text/javascript" src="js9.js"></script>
<script type="text/javascript" src="fitsy.js"></script>
<script type="text/javascript" src="js9plugins.js"></script>
<script type="text/javascript" src="plugins/plugintest.js"></script>
<script type="text/javascript" src="js9debugextras/jquery_ujs.js"></script>
<script type="text/javascript" src="js9debugextras/jquery.datetimepicker.js"></script>
<style type="text/css">
.catdiv{
background: #99FFCC;
padding: 10px;
}
.datepickerText{
font-size: 12px;
font-family: monospace;
overflow-x: hidden;
background: #E9E9E9;
border: 0px;
padding: 2px;
}
#SUPERMENU_ div.JS9MenubarContainer{
background: darkgreen;
}
#myJS9Menubar div.JS9MenubarContainer{
background: lightblue;
}
</style>
<title>JS9 Fitsy Page</title>
</head>
<body>
<center><font size="+1">
<b>JS9 Fitsy Debugging Page</b>
</font></center>
<table cellspacing="10px">
<tr valign="top">
<td>
<table cellspacing="2px">
<tr>
<td>
<ul>
<li> <a href='javascript:JS9.Load("png/casa.png");'>CAS-A (Chandra)</a>
<li> <a href='javascript:JS9.Load("png/3c58.png", {colormap: "heat"}, {display: "JS9"});'>3c58 (Chandra)</a>
<li> <a href='javascript:JS9.Load("png/m13.png", {scale:"linear", colormap:"sls"});'>M13 (via SkyView)</a>
<li> <a href='javascript:JS9.Load("png/snr.png");'>CTB 109 (Einstein)</a>
<li> <a href='javascript:JS9.Load("png/ngc1316.png", {scale:"linear"});'>ngc1316 (AIPS)</a>
</ul>
</td>
<td>
<ul>
<li> <a href='javascript:JS9.Load("png/b10.png");'>byte 10x10 (v=x*10+y)</a>
<li> <a href='javascript:JS9.Load("png/s100.png", {scale:"linear", colormap:"grey"});'>s100 (v=x*100+y)</a>
<li> <a href='javascript:JS9.Load("png/i1000.png", {scale:"linear", colormap:"grey"});'>i1000 (v=x*1000+y)</a>
<li> <a href='javascript:JS9.Load("png/f1000.png");'>float 1000x1000 (v=x.y/1000)</a>
<li> <a href='javascript:JS9.Load("png/d1000.png");'>double 1000x1000 (v=x.y/1000)</a>
</ul>
</td>
</table>
</td>
<td>
<table cellspacing="2px">
<tr>
<td>
<ul>
<li> <a href='javascript:JS9.Load("fits/casa.fits", {display: "myJS9"});'>CAS-A (Chandra)</a>
<li> <a href='javascript:JS9.Load("fits/3c58.fits", {fits2png: false, colormap: "heat", zoom: 2, xcen: 395, ycen: 693}, {display: "myJS9"});'>3c58 (Chandra)</a>
<li> <a href='javascript:JS9.Load("fits/m13.fits", {fits2png: false, onload: function(m){JS9.SetColormap("sls", {display: "myJS9"}); JS9.SetZoom(2, {display: "myJS9"})}}, {display: "myJS9"});'>M13 (via SkyView)</a>
<li> <a href='javascript:JS9.Load("fits/ngc1316.fits[*,-*]", {fits2png: false, scale:"linear"}, {display: "myJS9"});'>ngc1316 (AIPS)</a>
<li> <a href='javascript:JS9.Load("fits/f1000.fits", {fits2png: true}, {display: "myJS9"});'>float 1000x1000 (v=x.y/1000)</a>
</ul>
</td>
<td>
<ul>
<li> <a href='javascript:JS9.Load("fits/bzero.fits", {fits2png: false, colormap: "grey"}, {display: "myJS9"});'>bzero.fits</a>
<li> <a href='javascript:JS9.Load("m13/m13_gzip.fits", {fits2png: false, colormap: "red"}, {display: "myJS9"});'>M13 (gzip tile compress)</a>
<li> <a href='javascript:JS9.Load("m13/m13_rice.fits", {fits2png: false, colormap: "grey"}, {display: "myJS9"});'>M13 (rice tile compress)</a>
<li> <a href='javascript:JS9.LoadProxy("http:https://hea-www.cfa.harvard.edu/~eric/coma.fits", {scale: "linear"}, {display: "myJS9"});'>coma.fits (proxy)</a>
<li> <a href='javascript:JS9.Load("smartx/casa_smartx_regions.fits.gz", {fits2png: false, rgbFile: "smartx/casa_smartx.png", parentFile: "smartx/casa_obs4637_img.fits"}, {display: "myJS9"});'>CAS-A (with RGB overlay)</a>
</ul>
</td>
</tr>
</table>
</tr>
<tr valign="top">
<td colspan="2">
<center>
a super-menu to control both JS9 displays:<br>
<div class="JS9Menubar" id="SUPERMENU_" data-displays="JS9,myJS9"></div>
</center>
</td>
</tr>
<tr valign="bottom">
<td>
<input type="text" id="datetimepicker" size="44" value="datepicker test: 3rd party event-handling" class="datepickerText">
<p>
heap test:
<input type="file" multiple="true" onchange="javascript:HeapTest(this.files)">
<p>
<div class="JS9Info"></div>
</td>
<td>
<table>
<tr valign="top">
<td>
<div class="JS9Panner" id="myJS9Panner" data-toolbarseparate="true"></div>
</td>
<td>
<div class="JS9Magnifier" id="myJS9Magnifier" data-width="150px" data-height="150px"></div>
</td>
</table>
</td>
</tr>
<tr valign="top">
<td>
<div class="JS9Menubar" id="JS9Menubar" data-width="400px" data-height="54px"></div>
<div class="JS9" data-width="400px" data-height="400px"></div>
<p>
<div class="catdiv">
<select id="display">
<option value="" selected="selected" style="display:none">Display</option>
<option value="box">Box Catalog (with tooltips)</option>
<option value="circle">Circle Catalog (event handlers, movable)</option>
<option value="both">Both Catalogs (non-interactive)</option>
</select>
<select id="hide">
<option value="" selected="selected" style="display:none">Hide</option>
<option value="box">Box Catalog</option>
<option value="circle">Circle Catalog</option>
<option value="both">Both Catalogs</option>
</select>
<select id="show">
<option value="" selected="selected" style="display:none">Show</option>
<option value="box">Box Catalog</option>
<option value="circle">Circle Catalog</option>
<option value="both">Both Catalogs</option>
</select>
<p>
<b>Move circle catalog: </b>
<button id="up">Up</button>
<button id="down">Down</button>
<button id="left">Left</button>
<button id="right">Right</button>
</div>
</td>
<td>
<div class="JS9Menubar" id="myJS9Menubar"></div>
<div class="JS9" id="myJS9"></div>
</td>
</tr>
<tr valign="top">
<td>
<div class="PLUGINtest" data-js9id="JS9"></div>
</td>
<td>
<div class="JS9Console" id="myJS9Console" data-width="512px" data-height="300px"></div>
</td>
</tr>
</table>
<script type="text/javascript">
var n = 500;
var inc = 4;
// on an ipad, the click handler reload the page!
var click='ontouchstart' in document.documentElement?'touchstart': 'click';
function init(){
JS9.DEBUG = 2;
JS9.Preload("png/casa.png", {colormap: "cool"});
JS9.Preload("fits/snr.fits", {colormap: "heat", fits2png: false, onload: function(im){JS9.SetZoom(2,{display: "myJS9"});}}, {display: "myJS9"});
$("#display").on("change", function(evt){
try{doit("display", this.value);}
finally{$("#display").prop('selectedIndex', 0);
return false;}
});
$("#show").on("change", function(evt){
try{doit("show", this.value);}
finally{$("#show").prop('selectedIndex', 0);
return false;}
});
$("#hide").on("change", function(evt){
try{doit("hide", this.value);}
finally{$("#hide").prop('selectedIndex', 0);
return false;}
});
$("#up").on(click, function(evt){
try{doit("up");}
finally{return false;}
});
$("#down").on(click, function(evt){
try{doit("down");}
finally{return false;}
});
$("#left").on(click, function(evt){
try{doit("left");}
finally{return false;}
});
$("#right").on(click, function(evt){
try{doit("right");}
finally{return false;}
});
$('#datetimepicker').datetimepicker({
format:'d.m.Y H:i'
});
}
function mkrandom(arr, n, xdim, ydim, shape, color){
var i, x, y;
for(i=0; i<n; i++){
x = Math.random() * xdim;
y = Math.random() * ydim;
if( i % 2 === 0 ){
arr[i] = {x: x, y: y, shape: shape, color: color,
width: 5, height: 2,
data: {tag: sprintf("ebox: %s,%s,%s", x, y, color)}};
} else {
arr[i] = {x: x, y: y,
data: {tag: sprintf("obox: %s,%s", x, y)}};
}
}
}
function mkspirals(arr, n, xcen, ycen, shape, color){
var i, x, y;
var angle_incr = 2 * Math.PI/180;
var cx = xcen;
var cy = ycen;
var outer_rad = 512*0.48;
for(i=0; i<n; i++){
var ratio = i/n;
var angle = i*angle_incr;
var spiral_rad = ratio * outer_rad;
x = cx + Math.cos(angle) * spiral_rad;
y = cy + Math.sin(angle) * spiral_rad;
// if( i < 10 ) console.log("%s: %s %s", i, x, y);
// if( (n - i) < 10 ) console.log("%s: %s %s", i, x, y);
if( i % 2 === 0 ){
arr[i] = {x: x, y: y, shape: shape, color: color, radius: 4,
data: {tag: sprintf("ecir: %s,%s,%s", x, y, color)}};
} else {
arr[i] = {x: x, y: y,
data: {tag: sprintf("ocir: %s,%s", x, y)}};
}
}
}
function doit(what, who){
switch(what){
case "display":
var circles = [];
var boxes = [];
var im = JS9.GetImage();
if( !im ){
JS9.error("please display an image first!");
}
var xdim = Math.max(512, im.raw.width);
var ydim = Math.max(512, im.raw.height);
var xcen = im.raw.width/2;
var ycen = im.raw.height/2;
var boxopts = $.extend(true, {}, JS9.Catalogs.opts);
boxopts.tooltip = "<b>id: $im.id<\/b><br>pos: $xreg.x $xreg.y<br><i>$xreg.data.tag<\/i>";
boxopts.ongroupcreate = function(im, xregs, evt){
var i, nshape, xcen, ycen;
var xtot=0, ytot=0;
nshape = xregs.length;
for(i=0; i<nshape; i++){
xtot += xregs[i].x;
ytot += xregs[i].y;
}
xcen = xtot / nshape;
ycen = ytot / nshape;
console.log("average pos for %s objects: %s,%s",
nshape, xcen, ycen);
}
var ciropts = $.extend(true, {}, JS9.Catalogs.opts);
ciropts.movable = true;
ciropts.onmouseover = function(im, xreg, evt){
console.log("mouseover: %s %s", im.id, xreg.data.tag);
};
ciropts.onmousedown = function(im, xreg, evt){
console.log("mousedown: %s %s", im.id, xreg.data.tag);
};
switch(who){
case "box":
mkrandom(boxes, n, xdim, ydim, "box", "red");
JS9.NewShapeLayer("box", boxopts);
JS9.AddShapes("box", boxes, {color: "yellow"});
break;
case "circle":
mkspirals(circles, n, xcen, ycen, "circle", "black");
JS9.NewShapeLayer("circle", ciropts);
JS9.AddShapes("circle", circles);
break;
case "both":
mkrandom(boxes, n, xdim, ydim, "box", "red");
JS9.NewShapeLayer("box", JS9.Catalogs.opts);
JS9.AddShapes("box", boxes, {color: "yellow"});
mkspirals(circles, n, xcen, ycen, "circle", "blue");
JS9.NewShapeLayer("circle", JS9.Catalogs.opts);
JS9.AddShapes("circle", circles);
break;
}
break;
case "show":
case "hide":
switch(who){
case "both":
JS9.ShowShapeLayer("box", what);
JS9.ShowShapeLayer("circle", what);
break;
default:
JS9.ShowShapeLayer(who, what);
break;
}
break;
case "up":
JS9.ChangeShapes("circle", "all", {dx: 0, dy: inc});
break;
case "down":
JS9.ChangeShapes("circle", "all", {dx: 0, dy: -inc});
break;
case "left":
JS9.ChangeShapes("circle", "all", {dx: -inc, dy: 0});
break;
case "right":
JS9.ChangeShapes("circle", "all", {dx: inc, dy: 0});
break;
}
}
// heap test
var heapBlobs, heapBuf, heapStart, heapCur, heapIter;
var heapAlloc = 1024000, heapTimeout=100;
var HeapTest = function(files){
heapBlobs = files;
heapBuf = new ArrayBuffer(heapAlloc);
heapTest(1000);
}
var heapTest = function(nn, ii){
var buf;
var im = JS9.GetImage();
if( ii === undefined ){
ii = 0;
heapIter = nn;
}
if( heapBlobs ){
JS9.RefreshImage(heapBlobs[ii%heapBlobs.length]);
} else {
JS9.error("please choose an image to refresh");
}
if( ii++ < nn ){
buf = Astroem._malloc(heapAlloc);
if( !heapStart ){
heapStart = buf;
}
heapCur = buf;
console.log("buf[%s]: %s", ii, buf);
Astroem.HEAPU8.set(new Uint8Array(heapBuf), buf);
Astroem._free(buf);
setTimeout(function(){heapTest(nn, ii);}, heapTimeout);
} else {
console.log("bytes added to heap in %s iterations: %s = %s - %s",
heapIter, heapCur - heapStart, heapCur, heapStart);
};
}
$(document).ready(function(){
init();
});
</script>
<p>
JS9 Demos:
<ul>
<li><a href='js9basics.html'>JS9 Demo: the basics</a>
<li><a href='js9bespoke.html'>JS9 Demo: web page control of JS9</a>
<li><a href='js9sizes.html'>JS9 Demo: setting the size of the JS9 display</a>
<li><a href='js9plugins.html'>JS9 Demo: adding plugins to JS9</a>
<li><a href='js9imexam.html'>JS9 Demo: the imexam plugin for JS9</a>
<li><a href='js9blend.html'>JS9 Demo: image blending</a>
<li><a href='js9cat.html'>JS9 Demo: overlaying catalogs</a>
<li><a href='js9panzoom.html'>JS9 Demo: pan and zoom</a>
<li><a href='js9rgb.html'>JS9 Demo: RGB composite images</a>
<li><a href='js9multi.html'>JS9 Demo: independent instances of JS9</a>
<li><a href='js9analysis.html'>JS9 Demo: remote data analysis</a>
<li><a href='js9onchange.html'>JS9 Demo: running tasks when a region changes</a>
<li><a href='js9create.html'>JS9 Demo: creating a JS9 instance dynamically</a>
<li><a href='js9preload.html'>JS9 Demo: preloading images into JS9</a>
<li><a href='js9bitpix.html'>JS9 Demo: displaying different FITS datatypes</a>
<li><a href='js9pngvsfits.html'>JS9 Demo: PNG representation files vs FITS files</a>
</ul>
</body>
</html>