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pointscope.html
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<!--
PointScope
Last update: 04 Aug 2014
Licensed under the GPL Version 3 license.
http://www.gnu.org/licenses/gpl-3.0.html
-->
<!--
TO DO
object inspection:
display cursor coordinates
overlay:
read 2d/3d points from geojson, gpx and display as overlay
minimap:
display camera position on minimap
input files:
handle trailing spaces when reading csv files
FileError is deprecated. Please use the 'name' or 'message' attributes of DOMError rather than 'code'.
handle file input exceptions (e.g. wrong header, LAS 1.0 and 1.1 support, geographic tag)
read data to indexedDB
point cloud:
set point density onload (if file is larger than y, read only part of the data)
camera:
set camera to view all the scene on load
colormap:
precompute colormaps for fast display
async colormap change
colorbar:
toggle colorbar
-->
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<title>PointScope - point cloud viewer</title>
<link rel="stylesheet" href="vendors/bootstrap-3.1.1-dist/css/bootstrap.min.css" type='text/css'>
<link rel="stylesheet" href="vendors/leaflet/leaflet.css" type='text/css'>
<link rel='stylesheet' href='http://fonts.googleapis.com/css?family=Ubuntu+Mono|Ubuntu:700' type='text/css'>
<link rel="stylesheet" href="resources/css/pointscope.css" type='text/css'>
<script type="text/javascript" src="vendors/jquery-2.1.0.min.js"></script>
<script type="text/javascript" src="vendors/bootstrap-3.1.1-dist/js/bootstrap.min.js"></script>
<script type="text/javascript" src="vendors/proj4/dist/proj4.js"></script>
<script type="text/javascript" src="vendors/leaflet/leaflet.js"></script>
<script src="http://maps.google.com/maps/api/js?v=3&sensor=false"></script>
<script type="text/javascript" src="vendors/leaflet-plugins-master/layer/tile/Google.js"></script>
<script type="text/javascript" src="resources/js/pointscope.js"></script>
<script type="text/javascript" src="resources/js/prjdefs.js"></script>
<script type="text/javascript" src="resources/js/colormap.js"></script>
<script type="text/javascript" src="resources/js/interface.js"></script>
<script type="text/javascript" src="resources/js/network.js"></script>
<script type="text/javascript" src="resources/js/readLAS.js"></script>
<script type="text/javascript" src="resources/js/readCSV.js"></script>
<script type="text/javascript" src="resources/js/render.js"></script>
<script type="text/javascript" src="vendors/three/build/three.js"></script>
<script type="text/javascript" src="vendors/three/examples/js/Detector.js"></script>
<script type="text/javascript" src="vendors/three/examples/js/controls/TrackballControls.js"></script>
<script type="text/javascript" src="vendors/three/examples/js/controls/FlyControls.js"></script>
<script type="x-shader/x-vertex" id="vertexshader">
uniform float size; // set same size for all points
attribute vec3 customColor;
// attribute float size; // set size individually for each point
varying vec3 vColor;
void main() {
/**
* Multiply each vertex by the model-view matrix
* and the projection matrix (both provided by
* Three.js) to get a final vertex position
*/
vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
gl_Position = projectionMatrix * mvPosition;
// set custom color
vColor = customColor;
// set custom transparency
// vAlpha = alpha;
// set custom point size
gl_PointSize = size;
}
</script>
<script type="x-shader/x-fragment" id="fragmentshader">
uniform vec3 color;
uniform float alpha; // set same transparency for all points
uniform sampler2D texture;
varying vec3 vColor;
void main() {
gl_FragColor = vec4( 1.0 * color * vColor, alpha );
gl_FragColor = gl_FragColor * texture2D( texture, gl_PointCoord );
}
</script>
</head>
<body>
<!-- Empty left panel (controls event listeners) -->
<div id="empty"></div>
<!-- Left panel (3D display) -->
<div id="container"></div>
<!-- Colorbar -->
<div id="colorbar"></div>
</div>
<!-- Right panel (menu) -->
<div id="panel_right">
<div id="header">
<object type="image/svg+xml" data="resources/images/logo_v2.svg" width="100%">Your browser does not support SVG</object>
</div>
<!-- Accordion group -->
<div class="panel-group" id="accordion">
<!-- Overlay -->
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#upload">
<span class="glyphicon glyphicon-open"></span> Point cloud loader
</a>
</h4>
</div>
<div id="upload" class="panel-collapse collapse in">
<div class="panel-body">
<!-- File browser -->
<span style="display: inline;">
<input type="file" id="files" name="file" style="width:60%;display: inline;">
<button type="submit" class="btn btn-default" onclick="PointScope.PsInterface.abortRead();" style="display: inline; margin-bottom: 5px;"><span class="glyphicon glyphicon-remove"></span> Cancel</button>
</span>
<div class="progress">
<div id ="progressBar" class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" >
0%
</div>
</div>
<span class="help-block">Upload a <em>las</em> or <em>csv</em> file. Check the <a href="#help" data-toggle="modal" data-target="#HelpModal">Help</a> section for explanations on the supported format syntax.</span>
</div>
</div>
</div>
<!-- Metadata -->
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#metadata">
<span class="glyphicon glyphicon-info-sign"></span> Metadata
</a>
</h4>
</div>
<div id="metadata" class="panel-collapse collapse">
<div class="panel-body">
<table id="metadata_table" class="table">
<tr><td>File:</td><td><div id="metadata_filename">-</div></td></tr>
<tr><td>Last modified:</td><td><div id="metadata_date_modification">-</div></td></tr>
<tr><td>Number of points:</td><td> <div id="metadata_npoints">-</div></td></tr>
<tr><td>X extent:</td><td><div id="metadata_xextent">-</div></td></tr>
<tr><td>Y extent:</td><td><div id="metadata_yextent">-</div></td></tr>
<tr><td>Z extent:</td><td><div id="metadata_zextent">-</div></td></tr>
<tr><td>Generating Software:</td><td><div id="metadata_software">-</div></td></tr>
<tr><td>SRID:</td><td><div id="metadata_srid">-</div></td></tr>
<tr><td>SRS:</td><td><div id="metadata_srs">-</div></td></tr>
</table>
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#display">
<span class="glyphicon glyphicon-check"></span> Display and controls
</a>
</h4>
</div>
<div id="display" class="panel-collapse collapse">
<div class="panel-body">
<!-- View controller -->
<div class="form-group">
<label class="form-label" for="viewController">View controller:</label>
<div id="viewController" class="controls">
<label class="radio" for="viewController-0">
<input type="radio" name="viewController" id="viewController-0" value="Trackball" onclick='PointScope.Renderer.updateViewController("Trackball")' checked="checked">
Trackball
</label>
<label class="radio" for="viewController-1">
<input type="radio" name="viewController" id="viewController-1" value="Fly" onclick='PointScope.Renderer.updateViewController("Fly")'>
Fly
</label>
</div>
</div>
<!-- Point coloring -->
<div class="form-group">
<label class="form-label" for="colorPointsBy">Color points by:</label>
<div class="controls">
<select id="colorPointsBy" name="colorPointsBy" class="form-control">
<option value="RGB">RGB</option>
<option selected="selected" value="Elevation">Elevation </option>
<option value="Classification">Classification</option>
<option value="Intensity">Intensity</option>
<option value="ReturnNumber">Return Number</option>
<option value="FlightLineEdge">Edge of flight line flag</option>
<!--<option value="Point Source ID">Point Source ID</option>-->
<option value="None">None</option>
</select>
</div>
</div>
<!-- Point size scaling -->
<div class="form-group">
<label class="form-label" for="scalePoints">Adjust point scale:</label>
<input type="number" name="scalePoints" class="form-control" id="scalePoints" placeholder="1" min="0.5" max="10" step="0.1" value="1">
</div>
<!-- Point alpha -->
<div class="form-group">
<label class="form-label" for="alphaPoints">Adjust point transparency:</label>
<input type="number" name="alphaPoints" class="form-control" id="alphaPoints" placeholder="0.8" min="0" max="1" step="0.1" value="0.8">
</div>
<!-- Guidelines display -->
<div class="form-group">
<label class="form-label" for="helper_overlay">Display Guidelines:</label>
<div class="controls">
<div class="checkbox">
<label>
<input type="checkbox" onClick='PointScope.Renderer.updateAxisDisplay()' checked='checked' name="axis_display" id="axis_display" value="1">
<font color="red">X</font><font color="green">Y</font><font color="blue">Z</font> axis
</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" onClick='PointScope.Renderer.updateBoxDisplay()' checked='checked' name="bbox_display" id="bbox_display" value="1">
Bounding box
</label>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- Overlay -->
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#overlay">
<span class="glyphicon glyphicon-map-marker"></span> Overlay
</a>
</h4>
</div>
<div id="overlay" class="panel-collapse collapse">
<div class="panel-body">
<!-- Content -->
</div>
</div>
</div>
<!-- Map -->
<div class="panel panel-default" id = "map_panel">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#map">
<span class="glyphicon glyphicon-globe"></span> Map
</a>
</h4>
</div>
<div id="map" class="panel-collapse collapse">
<div id="minimap" style="height:400px; width:100%" class="panel-body"> <!--class="panel-body"-->
<p><span class="glyphicon glyphicon-warning-sign"></span> no map available (SRS was not defined)</p>
</div>
</div>
</div>
<!-- Download -->
<div class="panel panel-default" id = "download_panel">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#download">
<span class="glyphicon glyphicon-save"></span> Download
</a>
</h4>
</div>
<div id="download" class="panel-collapse collapse">
<div id="downloads" class="panel-body">
<p><span class="glyphicon glyphicon-warning-sign"></span> no download available (SRS was not defined)</p>
</div>
</div>
</div>
<!-- Help -->
<div class="panel panel-default" id = "help_panel">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="modal" data-parent="#accordion" data-target="#HelpModal" href="#help" >
<span class="glyphicon glyphicon-question-sign"></span> Help
</a>
</h4>
</div>
<div id="help" class="panel-collapse collapse"></div>
</div>
</div>
<!-- Modal help menu -->
<div class="modal fade" id="HelpModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">×</span><span class="sr-only">Close</span></button>
<h4 class="modal-title"><span class="glyphicon glyphicon-question-sign"></span> Help</h4>
</div>
<div class="modal-body">
<h4>About</h4>
PointScope was developed at the <a href="http://lasig.epfl.ch/">Geographic Information Systems Laboratory</a> of the Ecole Polytechnique Fédérale de Lausanne. This work was sponsored by the Swiss Forestry and Wood Research Fund.
<hr>
<h4>Supported point cloud formats</h4>
<p>
PointScope can read the <em>las 1.2</em> and <em>csv</em> formats. The <em>las 1.2</em> specification is described in this document:
<ul>
<li><a href="http://www.asprs.org/a/society/committees/standards/asprs_las_format_v12.pdf">ASPRS LAS format version 1.2</a></li>
</ul>
The <em>csv</em> format must be comma (,) delimited and include a header with the following syntax to describe column contents:
<p>
<dl class="dl-horizontal">
<dt>x</dt>
<dd>x coordinate*</dd>
<dt>y</dt>
<dd>y coordinate*</dd>
<dt>z</dt>
<dd>z coordinate*</dd>
<dt>i</dt>
<dd>intensity</dd>
<dt>c</dt>
<dd>classification</dd>
<dt>a</dt>
<dd>scan angle</dd>
<dt>n</dt>
<dd>number of returns for given pulse</dd>
<dt>r</dt>
<dd>number of this return</dd>
<dt>u</dt>
<dd>user data</dd>
<dt>p</dt>
<dd>point source ID</dd>
<dt>e</dt>
<dd>edge of flight line flag</dd>
<dt>d</dt>
<dd>direction of scan flag</dd>
<dt>R</dt>
<dd>red channel of RGB color</dd>
<dt>G</dt>
<dd>green channel of RGB color</dd>
<dt>B</dt>
<dd>blue channel of RGB color</dd>
</dl>
</p>
Note that the field order is not important but fields marked with an * are mandatory. Below is an example of a correctly formatted file:<br>
<p>
<dl class="dl-horizontal">
<dt>header</dt>
<dd>x,y,z,c</dd>
<dt></dt>
<dd>552196.14,200849.13,634.49,5</dd>
<dt></dt>
<dd>552196.36,200848.62,634.57,5</dd>
<dt></dt>
<dd>552197.12,200848.40,634.33,5</dd>
<dt></dt>
<dd>...</dd>
</dl>
</p>
The color scheme used to represent point classification is based on <em>ASPRS las 1.2 Standard LiDAR Point Classes</em>:<br>
<p>
<dl class="dl-horizontal">
<dt>0</dt>
<dd>Created, never classified</dd>
<dt>1</dt>
<dd>Unclassified</dd>
<dt>2</dt>
<dd>Ground</dd>
<dt>3</dt>
<dd>Low Vegetation</dd>
<dt>4</dt>
<dd>Medium Vegetation</dd>
<dt>5</dt>
<dd>High Vegetation</dd>
<dt>6</dt>
<dd>Building</dd>
<dt>7</dt>
<dd>Low Point (noise)</dd>
<dt>8</dt>
<dd>Model Key-point (mass point)</dd>
<dt>9</dt>
<dd>Water</dd>
<dt>10</dt>
<dd>Reserved for ASPRS Definition</dd>
<dt>11</dt>
<dd>Reserved for ASPRS Definition</dd>
<dt>12</dt>
<dd>Overlap Points</dd>
<dt>13-255</dt>
<dd>Reserved for ASPRS Definition</dd>
</dl>
</p>
</p>
<hr>
<h4>View controls</h4>
<p>
In <em>fly</em> mode the view is controlled with:
<p>
<dl class="dl-horizontal">
<dt>move</dt>
<dd><kbd>W</kbd>-<kbd>A</kbd>-<kbd>S</kbd>-<kbd>D</kbd></dd>
<dt>pan up/down</dt>
<dd><kbd>R</kbd> / <kbd>F</kbd></dd>
<dt>roll left/right</dt>
<dd><kbd>Q</kbd> / <kbd>E</kbd></dd>
<dt>pitch nose up/down</dt>
<dd><kbd>↑</kbd> / <kbd>↓</kbd></dd>
<dt>yaw left/right</dt>
<dd><kbd>←</kbd> / <kbd>→</kbd></dd>
</dl>
</p>
In <em>trackball</em> mode the view is controlled with:
<p>
<dl class="dl-horizontal">
<dt>move</dt>
<dd>left click and move mouse</dd>
<dt>zoom</dt>
<dd>scroll wheel</dd>
<dt>pan</dt>
<dd>right click and move mouse</dd>
</dl>
</p>
</p>
<hr>
<h4>Supported overlay formats</h4>
<p>
Overlays can be added in the <a href="http://geojson.org/geojson-spec.html">geoJSON format</a>.
</p>
<hr>
<h4>Spatial reference systems</h4>
<p>
A spatial reference system (SRS) is required to display the minimap. The following links are helpful to get information about SRS:
<ul>
<li><a href="http://spatialreference.org/">spatialreference.org</a></li>
<li><a href="http://epsg.io/">epsg.io</a></li>
</ul>
</p>
<hr>
<h4>Compatibility</h4>
<p>
PointScope has been tested on Chrome, Firefox 30.0 and Internet Explorer 11.
</p>
<hr>
<h4>Source code and License</h4>
<p>
Pointscope uses <a href="http://threejs.org/"> ThreeJS</a>, <a href="http://leafletjs.com/"> Leaflet</a>, <a href="http://proj4js.org/"> Proj4</a> and <a href="http://getbootstrap.com/"> Bootstrap</a>, the source code is available on GitHub:
<ul>
<li><a href="http://github.com/mparkan">github.com/mparkan</a></li>
</ul>
It is licensed under GNU GPL.
</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<!-- Modal SRS menu -->
<div class="modal fade" id="SRSModal" tabindex="-1" role="dialog" aria-labelledby="SRSModal" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">×</span><span class="sr-only">Close</span></button>
<h4 class="modal-title"><span class="glyphicon glyphicon-exclamation-sign"></span> Spatial Reference System is unspecified</h4>
</div>
<div class="modal-body">
<p>The point cloud you are loading doesn't appear to have a Spatial Reference System (SRS) associated with it.</p>
<div id="userInputSRS" class="form-group">
<label class="control-label" for="userSRS" id="userSRSLabel">Please indicate the SRS to use in this project:</label>
<input type="text" class="form-control" id="userSRS" placeholder="e.g. EPSG:21781">
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Omit SRS </button>
<button type="button" class="btn btn-primary" onClick='PointScope.Renderer.setSRS()' >Save SRS</button>
</div>
</div>
</div>
</div>
<script>
$('.panel').on('shown.bs.collapse', function (e) {
if (e.currentTarget.id === 'map_panel' && PointScope.PsInterface.loadMinimap){
PointScope.PsInterface.printMap();
PointScope.PsInterface.loadMinimap = false;
}
})
// initialize state flags
PointScope.PsInterface.projFlag = false;
PointScope.PsInterface.resetFlag = false;
PointScope.PsInterface.initMapFlag = true;
PointScope.PsInterface.loadMinimap = true;
//var reader;
PointScope.PsInterface.progress = document.querySelector('.percent');
// add event listeners
document.getElementById('colorPointsBy').addEventListener('change', PointScope.Renderer.updatePointColors, false);
document.getElementById('scalePoints').addEventListener('change', PointScope.Renderer.updatePointScale, false);
document.getElementById('alphaPoints').addEventListener('change', PointScope.Renderer.updatePointAlpha, false);
document.getElementById('files').addEventListener('change', PointScope.PsInterface.handleInput, false);
</script>
</body>
</html>