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via.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<!--
VGG Image Annotator (via)
www.robots.ox.ac.uk/~vgg/software/via/
Copyright (c) 2016, Abhishek Dutta, Visual Geometry Group, Oxford University.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
-->
<title>VGG Image Annotator</title>
<meta name="author" content="Abhishek Dutta">
<meta name="description" content="VIA is a standalone image annotator application packaged as a single HTML file (< 200 KB) that runs on most modern web browsers.">
<!--
Development of VIA is supported by the EPSRC programme grant
Seebibyte: Visual Search for the Era of Big Data (EP/M013774/1).
Using Google Analytics, we record the usage of this application.
This data is used in reporting of this programme grant.
-->
<script type="text/javascript">
//<!--AUTO_INSERT_GOOGLE_ANALYTICS_JS_HERE-->
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-20555581-2', 'auto');
ga('set', 'page', '/via-1.0.0.html');
ga('send', 'pageview');
</script>
<!-- CSS style definition -->
<style type="text/css">
body {
min-width: 800px;
padding: 0;
margin: 0;
font-family: sans-serif;
}
/* Top panel : #navbar, #toolbar */
.top_panel {
position: fixed;
top: 0;
left: 0;
display: block;
font-size: medium;
background-color: #000000;
color: white;
z-index: 10;
margin: 0;
padding: 0;
width: 100%;
}
.navbar {
display: inline-block;
}
.navbar ul {
display: inline;
list-style-type: none;
overflow: hidden;
}
.navbar li {
float: left;
}
.navbar li a, .drop_menu_item {
display: inline-block;
color: white;
padding: 0.65em 1.2em;
text-decoration: none;
}
.navbar li a:hover, .dropdown:hover {
background-color: #999999;
cursor: pointer;
}
.navbar li.dropdown {
display: inline-block;
}
.navbar .dropdown-content {
display: none;
position: absolute;
background-color: #333333;
min-width: 120px;
border: 1px solid #ffffff;
font-size: small;
}
.navbar .dropdown-content a {
color: #ffffff;
padding: 0.4em 0.6em;
text-decoration: none;
display: block;
text-align: left;
background-color: #333333;
float: none;
}
.navbar .dropdown-content a:hover {
background-color: #000000;
color: #ffff00;
}
.navbar .dropdown:hover .dropdown-content {
display: block;
}
.toolbar {
display: inline-block;
color: white;
vertical-align: top;
}
.toolbar ul {
display: inline;
list-style-type: none;
overflow: hidden;
}
.toolbar li {
font-size: medium;
float: left;
padding: 0.65em 0.3em;
color: white;
}
.toolbar li:hover {
background-color: #333333;
color: red;
cursor: pointer;
}
#fileinfo {
font-size: small;
padding: 1.2em 0.8em;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
/* Middle panel: containing #image_panel, #leftsidebar */
.middle_panel {
position: relative;
display: table;
table-layout: fixed;
width: 100%;
z-index: 1;
padding: 0;
top: 3.5em;
/*padding-top: 1.0125em; ensures the mouse event (x,y) coordinates are integer */
}
#leftsidebar {
display: table-cell;
width: 250px;
z-index: 10;
vertical-align: top;
}
#display_area {
display: table-cell;
width: 100%;
z-index: 1;
margin: 0;
padding-left: 1em;
vertical-align: top;
}
#canvas_panel {
position: relative;
margin: 0;
padding: 0;
}
#canvas_panel canvas:focus {
outline: none;
}
#leftsidebar_collapse_panel {
display: table-cell;
position: relative;
width: 10px;
z-index: 1;
vertical-align: top;
font-size: small;
}
#leftsidebar_collapse_button {
background-color: black;
width: 10px;
height: 25px;
color: white;
padding: 0.2em;
border-radius: 0px 5px 5px 0px;
font-size: large;
}
#leftsidebar_collapse_button:hover {
color: red;
cursor: pointer;
}
/* Left sidebar accordion */
button.leftsidebar_accordion {
font-size: large;
background-color: #f2f2f2;
cursor: pointer;
padding: 0.5em 0.5em;
width: 100%;
text-align: left;
border: 0;
outline: none;
}
button.leftsidebar_accordion:focus {
outline: none;
}
button.leftsidebar_accordion.active, button.leftsidebar_accordion:hover {
background-color: #e6e6e6;
}
button.leftsidebar_accordion:after {
content: '\02795';
color: #4d4d4d;
float: right;
}
button.leftsidebar_accordion.active:after {
content: '\2796';
}
.leftsidebar_accordion_panel {
display: none;
padding-top: 0;
padding-left: 0.5em;
font-size: small;
border-right: 2px solid #f2f2f2;
border-bottom: 2px solid #f2f2f2;
}
.leftsidebar_accordion_panel.show {
display: block;
}
/* Region shape selection panel inside leftsidebar */
ul.region_shape {
font-size: xx-large;
list-style-type: none;
overflow: hidden;
padding: 0.4em 0;
margin: 0;
}
ul.region_shape li{
float: left;
padding: 0 0.2em;
fill: #ffffff;
stroke: #000000;
}
ul.region_shape li:hover {
cursor: pointer;
fill: #ffffff;
stroke: #ff0000;
}
ul.region_shape .selected {
fill: #ffffff;
stroke: #ff0000;
}
/* Loaded image list shown in leftsidebar panel */
#img_fn_list {
font-size: small;
overflow: scroll;
min-height: 10rem;
max-height: 30rem;
}
#img_fn_list_panel input {
width: 88%;
border: 1px solid #ccc;
margin: 0.6rem 0;
padding: 0.2rem 0.4rem;
}
#img_fn_list ul {
position: relative;
line-height: 1.3em;
margin: 0;
padding: 0;
list-style-type: none;
}
#img_fn_list li {
white-space: nowrap;
}
#img_fn_list li:hover {
background-color: #cccccc;
color: #000000;
cursor: pointer;
}
#message_panel {
position: fixed;
left: 0;
bottom: 0px;
line-height: 3em;
width: 100%;
background-color: #000000;
color: #ffff00;
font-size: small;
text-align: center;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
z-index: 1000;
}
#invisible_file_input {
width: 0.1px;
height: 0.1px;
opacity: 0;
overflow: hidden;
position: absolute;
z-index: -1;
}
.text_panel {
display: none;
margin: auto;
font-size: medium;
line-height: 1.3em;
margin: 0;
max-width: 700px;
}
.text_panel li {
margin: 1em 0;
text-align: left;
}
.text_panel p {
text-align: left;
}
.action_text_link {
background-color: #aaeeff;
color: #000000;
}
.action_text_link:hover {
cursor: pointer;
}
.svg_button:hover {
cursor: pointer;
}
.tool_button {
color: blue;
cursor: pointer;
}
.tool_button:hover {
color: red;
}
/* region and file attributes input panel (spreadsheet like) */
#attributes_panel {
display: none;
position: fixed;
bottom: 0;
z-index: 10;
width: 100%;
max-height: 30%;
overflow: auto;
background-color: #ffffff;
border-top: 4px solid #000000;
padding: 0em 0em;
padding-bottom: 2em;
font-size: small;
}
#attributes_panel table {
border-collapse: collapse;
table-layout: fixed;
margin: 1em;
margin-bottom: 2em;
}
#attributes_panel td {
border: 1px solid #999999;
padding: 1em 1em;
margin: 0;
height: 1em;
white-space: nowrap;
vertical-align: top;
}
#attributes_panel tr:first-child td, #attributes_panel td:first-child {
padding: 1em 1em;
text-align: center;
}
#attributes_panel input {
border: none;
padding: 0;
margin: 0;
display: table-cell;
height: 1.3em;
font-size: small;
background-color: #ffffff;
vertical-align: top;
}
#attributes_panel input:hover {
background-color: #e6e6e6;
}
#attributes_panel input:focus {
background-color: #e6e6e6;
}
#attributes_panel input:not(:focus) {
text-align: center;
}
#attributes_panel textarea {
border: none;
padding: 0;
margin: 0;
display: table-cell;
font-size: small;
background-color: #ffffff;
}
#attributes_panel textarea:hover {
background-color: #e6e6e6;
}
#attributes_panel textarea:focus {
background-color: #e6e6e6;
}
#attributes_panel_toolbar {
display: block;
height: 30px;
width: 100%;
position: relative;
padding: 0;
margin: 0;
}
.attributes_panel_button {
width: 10px;
color: black;
font-size: x-large;
margin-left: 0.5em;
padding: 0;
}
.attributes_panel_button:hover {
color: red;
cursor: pointer;
}
/* layers of canvas */
#image_panel {
position: relative;
display: inline-block;
margin: auto;
margin-top: 1em;
}
#image_canvas {
position: absolute;
top: 0px;
left: 0px;
z-index: 1;
}
#region_canvas {
position: absolute;
top: 0px;
left: 0px;
z-index: 2;
}
/* Loading spinbar */
.loading_spinbox {
display: inline-block;
border: 0.4em solid #cccccc;
border-radius: 50%;
border-top: 0.4em solid #000000;
-webkit-animation: spin 2s linear infinite;
animation: spin 2s linear infinite;
}
@-webkit-keyframes spin {
0% { -webkit-transform: rotate(0deg); }
100% { -webkit-transform: rotate(360deg); }
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
</head>
<body onload="_via_init()" onresize="_via_update_ui_components()">
<svg style="position: absolute; width: 0; height: 0; overflow: hidden;" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>
<symbol id="shape_rectangle">
<title>Rectangular region shape</title>
<rect width="20" height="12" x="6" y="10" stroke-width="2"/>
</symbol>
<symbol id="shape_circle">
<title>Circular region shape</title>
<circle r="10" cx="16" cy="16" stroke-width="2"/>
</symbol>
<symbol id="shape_ellipse">
<title>Elliptical region shape</title>
<ellipse rx="12" ry="8" cx="16" cy="16" stroke-width="2"/>
</symbol>
<symbol id="shape_polygon">
<title>Polygon region shape</title>
<path d="M 15.25,2.2372 3.625,11.6122 6,29.9872 l 20.75,-9.625 2.375,-14.75 z" stroke-width="2"/>
</symbol>
<symbol id="shape_point">
<title>Point region shape</title>
<circle r="3" cx="16" cy="16" stroke-width="2"/>
</symbol>
<symbol id="shape_polyline">
<title>Polyline region shape</title>
<!--<path d="M 15.25,2.2372 3.625,11.6122 6,29.9872 l 20.75,-9.625" stroke-width="2"/>-->
<path d="M 2,12 10,24 18,12 24,18" stroke-width="2"/>
<circle r="1" cx="2" cy="12" stroke-width="2"/>
<circle r="1" cx="10" cy="24" stroke-width="2"/>
<circle r="1" cx="18" cy="12" stroke-width="2"/>
<circle r="1" cx="24" cy="18" stroke-width="2"/>
</symbol>
</defs>
</svg>
<div class="top_panel" id="ui_top_panel">
<!-- Navigation menu -->
<div class="navbar">
<ul>
<li><a onclick="show_home_panel()" title="Home">Home</a></li>
<li class="dropdown"><a title="Image" class="drop_menu_item">Image ▾</a>
<div class="dropdown-content">
<a onclick="sel_local_images()" title="Load (or add) a set of images from local disk">Load or Add Images</a>
<a onclick="toggle_img_fn_list_visibility()" title="Browse currently loaded images">List Images</a>
</div>
</li>
<li class="dropdown"><a title="Annotations" class="drop_menu_item">Annotation ▾</a>
<div class="dropdown-content">
<a onclick="show_annotation_data()" title="View annotations">View annotations</a>
<a onclick="download_all_region_data('csv')" title="Save image region annotations as a CSV(comma separated value) file">Save as CSV</a>
<a onclick="download_all_region_data('json')" title="Save image region annotations as a JSON(Javascript Object Notation) file">Save as JSON</a>
<a onclick="sel_local_data_file('annotations')" title="Import existing region data from CSV or JSON file">Import</a>
</div>
</li>
<li class="dropdown"><a title="View" class="drop_menu_item">View ▾</a>
<div class="dropdown-content">
<a onclick="toggle_leftsidebar()" title="Show/hide left sidebar">Show/hide left sidebar</a>
<a onclick="toggle_region_boundary_visibility()" title="Show or hide region boundaries">Show/hide region boundaries</a>
<a onclick="toggle_region_id_visibility()" title="Show or hide region labels">Show/hide region labels</a>
</div>
</li>
<li class="dropdown"><a onclick="show_about_panel()" title="Help">Help ▾</a>
<div class="dropdown-content">
<a onclick="show_getting_started_panel()" title="Getting started with VGG Image Annotator (VIA)">Getting Started</a>
<a onclick="show_license_panel()" title="VIA License">License</a>
<a onclick="show_about_panel()" title="About VGG Image Annotator (VIA)">About</a>
</div>
</li>
</ul>
</div> <!-- end of #navbar -->
<!-- Shortcut toolbar -->
<div class="toolbar">
<ul>
<!--
<li onclick="sel_local_images()" title="Load or Add Images">⋯</li>
<li onclick="sel_local_data_file('annotations')" title="Import Annotations">↑</li>
<li onclick="download_all_region_data('csv')" title="Save Annotations (as CSV)">⤓</li>
-->
<li id="toolbar_prev_img" style="margin-left: 1em;" onclick="move_to_prev_image()" title="Previous Image">←</li>
<li id="toolbar_next_img" onclick="move_to_next_image()" title="Next Image">→</li>
<li id="toolbar_list_img" onclick="toggle_img_list()" title="List Images">☰</li>
<li id="toolbar_zoom_out" style="margin-left: 2em;" onclick="zoom_out()" title="Zoom Out">−</li>
<li id="toolbar_zoom_in" onclick="zoom_in()" title="Zoom In">+</li>
<li id="toolbar_zoom_reset" onclick="reset_zoom_level()" title="Zoom Reset">=</li>
<li id="toolbar_copy_region" style="margin-left: 2em;" onclick="copy_sel_regions()" title="Copy Region">c</li>
<li id="toolbar_paste_region" onclick="paste_sel_regions()" title="Paste Region">v</li>
<li id="toolbar_sel_all_region" onclick="sel_all_regions()" title="Select All Regions">a</li>
<li id="toolbar_del_region" onclick="del_sel_regions()" title="Delete Region">×</li>
</ul>
</div> <!-- endof #toolbar -->
<input type="file" id="invisible_file_input" multiple name="files[]" style="display:none">
</div> <!-- endof #top_panel -->
<!-- Middle Panel contains a left-sidebar and image display areas -->
<div class="middle_panel">
<div id="leftsidebar">
<button class="leftsidebar_accordion active">Region Shape</button>
<div class="leftsidebar_accordion_panel show">
<ul class="region_shape">
<li id="region_shape_rect" class="selected" onclick="select_region_shape('rect')" title="Rectangle"><svg height="32" viewbox="0 0 32 32"><use xlink:href="#shape_rectangle"></use></svg></li>
<li id="region_shape_circle" onclick="select_region_shape('circle')" title="Circle"><svg height="32" viewbox="0 0 32 32"><use xlink:href="#shape_circle"></use></svg></li>
<li id="region_shape_ellipse" onclick="select_region_shape('ellipse')" title="Ellipse"><svg height="32" viewbox="0 0 32 32"><use xlink:href="#shape_ellipse"></use></svg></li>
<li id="region_shape_polygon" onclick="select_region_shape('polygon')" title="Polygon"><svg height="32" viewbox="0 0 32 32"><use xlink:href="#shape_polygon"></use></svg></li>
<li id="region_shape_point" onclick="select_region_shape('point')" title="Point"><svg height="32" viewbox="0 0 32 32"><use xlink:href="#shape_point"></use></svg></li>
<li id="region_shape_polyline" onclick="select_region_shape('polyline')" title="Polyline"><svg height="32" viewbox="0 0 32 32"><use xlink:href="#shape_polyline"></use></svg></li>
</ul>
</div>
<button class="leftsidebar_accordion active" id="loaded_img_panel_title">Loaded Images</button>
<div class="leftsidebar_accordion_panel show" id="img_fn_list_panel">
<div>
<input type="text" placeholder="Filter using regular expression" oninput="img_fn_list_onregex()" id="img_fn_list_regex">
</div>
<div id="img_fn_list"></div>
</div>
<button onclick="toggle_reg_attr_panel()" class="leftsidebar_accordion" id="reg_attr_panel_button">Region Attributes</button>
<button onclick="toggle_file_attr_panel()" class="leftsidebar_accordion" id="file_attr_panel_button">File Attributes</button>
<button class="leftsidebar_accordion">Keyboard Shortcuts</button>
<div class="leftsidebar_accordion_panel">
<table style="padding: 2em 0em;">
<tr>
<td style="width: 6em;">n/p (←/→)</td>
<td>Next/Previous image</td>
</tr>
<tr>
<td>+ / - / =</td>
<td>Zoom in/out/reset</td>
</tr>
<tr>
<td>Ctrl + c</td>
<td>Copy sel. regions</td>
</tr>
<tr>
<td>Ctrl + v</td>
<td>Paste sel. regions</td>
</tr>
<tr>
<td>Ctrl + a</td>
<td>Select all regions</td>
</tr>
<tr>
<td>Del, Bkspc</td>
<td>Delete image region</td>
</tr>
<tr>
<td>Esc</td>
<td>Cancel operation</td>
</tr>
<tr>
<td>Ctrl + s</td>
<td>Download annotations</td>
</tr>
<tr>
<td>Spacebar</td>
<td>Toggle image list</td>
</tr>
</table>
</div>
</div> <!-- end of leftsidebar -->
<div id="leftsidebar_collapse_panel">
<div onclick="toggle_leftsidebar()" id="leftsidebar_collapse_button" title="Show/hide left toolbar">
◂</div>
</div>
<!-- Main display area: contains image canvas, ... -->
<div id="display_area">
<div id="canvas_panel">
<canvas id="image_canvas"></canvas>
<canvas id="region_canvas" tabindex="1">Sorry, your browser does not support HTML5 Canvas functionality which is required for this application.</canvas>
</div>
<div>
<div class="text_panel" id="via_start_info_panel">Starting VGG Image Annotator ...</div>
<div class="text_panel" style="padding: 1em; border: 1px solid #cccccc;" id="about_panel">
<p style="font-size: 2em;">VGG Image Annotator</p>
<p style="font-size: 0.8em;">version <a href="https://gitlab.com/vgg/via/blob/via-1.x.y/CHANGELOG">1.0.6</a></p>
<p>
VGG Image Annotator (VIA) is an <a href="https://gitlab.com/vgg/via/">open source project</a>
developed at the <a href="http://www.robots.ox.ac.uk/~vgg/">Visual Geometry Group</a>
and released under the BSD-2 clause <a href="https://gitlab.com/vgg/via/blob/master/LICENSE">license</a>.
With this standalone application, you can define regions in an image and create a textual description of those regions.
Such image regions and descriptions are useful for supervised training of learning algorithms.
</p>
<p>Features:</p>
<ul>
<li>based solely on HTML, CSS and Javascript (no external javascript libraries)</li>
<li>can be used off-line (full application in a single html file of size < 200KB)</li>
<li>requires nothing more than a modern web browser</li>
<li>supported region shapes: rectangle, circle, ellipse, polygon and point</li>
<li>import/export of region data in csv and json file format</li>
</ul>
<p>For more details, visit <a href="http://www.robots.ox.ac.uk/~vgg/software/via/">http://www.robots.ox.ac.uk/~vgg/software/via/</a>.</p>
<p> </p>
<p>Copyright © 2016-2018, <a href="mailto:[email protected]">Abhishek Dutta</a> (Visual Geometry Group, Oxford University)</p>
</div>
<div class="text_panel" id="getting_started_panel">
<h1>Getting Started</h1>
<ol>
<li>Click [Image > Load or Add Images] in the top menu bar to load a set of images that you wish to annotate.</li>
<li>Press n (or p) to navigate through the loaded images. You can also use the ← and → icons in the top panel toolbar for navigation.</li>
<li>Click <b>Region Attributes</b> in the left panel to reveal a panel in the bottom. Click <b>[Add New]</b> tp add a new attribute. For example:
<pre>
object_name
object_color
</pre>
You can add more region attributes according to you needs.
<li>In the <b>Region Shape</b> section in the left panel, click the rectangular shape</li>
<li>On the image area, keep pressing the right click button as you drag the mouse cursor. This will draw a rectangular region on the image.</li>
<li>This newly created region is automatically selected. Now you can enter the attribute value for this region in the bottom panel. For example:
<pre>
object_name = dog
object_color = white
</pre>
You can annotate multiple regions in this image or other images and assign a value to each pre-defined attribute.</li>
<li>To download the annotated region data, click <b>[Annotation > Save as CSV]</b> in the top menu bar. This will download a text file containing region shape and attribute data.</li>
<li>Next time, you can start from the point your left by first loading the images and then importing the CSV file (downloaded in step 7) by clicking <b>[Annotation > Import]</b>.
</li></ol>
</div>
<div class="text_panel" id="license_panel">
<pre>
Copyright (c) 2016-2018, Abhishek Dutta, Visual Geometry Group, Oxford University.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
</pre>
</div>
</div>
</div>
</div>
<!-- region and file attributes input panel -->
<div id="attributes_panel">
<div id="attributes_panel_toolbar">
<div onclick="toggle_attributes_input_panel()" class="attributes_panel_button">×</div>
</div>
<table id="attributes_panel_table"></table>
</div>
<!-- to show status messages -->
<div id="message_panel"></div>
<!-- this vertical spacer is needed to allow scrollbar to show
items like Keyboard Shortcut hidden under the attributes panel -->
<div style="width: 100%;" id="vertical_space"></div>
<script type="text/javascript">
//<!--AUTO_INSERT_VIA_DEMO_JS_HERE-->
</script>
<script type="text/javascript">
//<!--AUTO_INSERT_VIA_JS_HERE-->
/*
VGG Image Annotator (via)
www.robots.ox.ac.uk/~vgg/software/via/
Copyright (c) 2016-2018, Abhishek Dutta, Visual Geometry Group, Oxford University.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
/*
See Contributors.md file for a list of developers who have contributed code
to VIA codebase.
/*
This source code is organized in the following groups:
- Data structure for annotations
- Initialization routine
- Handlers for top navigation bar
- Local file uploaders
- Data Importer
- Data Exporter
- Maintainers of user interface
- Image click handlers
- Canvas update routines
- Region collision routines
- Shortcut key handlers
- Persistence of annotation data in browser cache (i.e. localStorage)
- Handlers for attributes input panel (spreadsheet like user input panel)
See [Source code documentation](https://gitlab.com/vgg/via/blob/develop/CodeDoc.md)
and [Contributing Guidelines](https://gitlab.com/vgg/via/blob/develop/CONTRIBUTING.md)
for more details.
*/
"use strict";
var VIA_VERSION = '1.0.6';
var VIA_NAME = 'VGG Image Annotator';
var VIA_SHORT_NAME = 'VIA';
var VIA_REGION_SHAPE = { RECT:'rect',
CIRCLE:'circle',
ELLIPSE:'ellipse',
POLYGON:'polygon',
POINT:'point',
POLYLINE:'polyline'
};
var VIA_REGION_EDGE_TOL = 20; // pixel
var VIA_REGION_CONTROL_POINT_SIZE = 2;
var VIA_REGION_POINT_RADIUS = 3;
var VIA_POLYGON_VERTEX_MATCH_TOL = 5;
var VIA_REGION_MIN_DIM = 3;
var VIA_MOUSE_CLICK_TOL = 2;
var VIA_ELLIPSE_EDGE_TOL = 0.2; // euclidean distance
var VIA_THETA_TOL = Math.PI/18; // 10 degrees
var VIA_POLYGON_RESIZE_VERTEX_OFFSET = 100;
var VIA_CANVAS_DEFAULT_ZOOM_LEVEL_INDEX = 3;
var VIA_CANVAS_ZOOM_LEVELS = [0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 4, 5];
var VIA_THEME_REGION_BOUNDARY_WIDTH = 4;
var VIA_THEME_BOUNDARY_LINE_COLOR = "#1a1a1a";
var VIA_THEME_BOUNDARY_FILL_COLOR = "#aaeeff";
var VIA_THEME_SEL_REGION_FILL_COLOR = "#808080";
var VIA_THEME_SEL_REGION_FILL_BOUNDARY_COLOR = "#000000";
var VIA_THEME_SEL_REGION_OPACITY = 0.5;
var VIA_THEME_MESSAGE_TIMEOUT_MS = 6000;
var VIA_THEME_ATTRIBUTE_VALUE_FONT = '10pt Sans';
var VIA_THEME_CONTROL_POINT_COLOR = '#ff0000';
var VIA_CSV_SEP = ',';
var VIA_CSV_QUOTE_CHAR = '"';
var VIA_CSV_KEYVAL_SEP = ':';
var VIA_IMPORT_CSV_COMMENT_CHAR = '#';
var _via_img_metadata = {}; // data structure to store loaded images metadata
var _via_img_count = 0; // count of the loaded images
var _via_canvas_regions = []; // image regions spec. in canvas space
var _via_canvas_scale = 1.0;// current scale of canvas image
var _via_image_id_list = []; // array of image id (in original order)
var _via_image_id = ''; // id={filename+length} of current image
var _via_image_index = -1; // index
var _via_current_image_filename;
var _via_current_image;
var _via_current_image_width;
var _via_current_image_height;
// image canvas
var _via_img_canvas = document.getElementById("image_canvas");
var _via_img_ctx = _via_img_canvas.getContext("2d");
var _via_reg_canvas = document.getElementById("region_canvas");
var _via_reg_ctx = _via_reg_canvas.getContext("2d");
var _via_canvas_width, _via_canvas_height;
// canvas zoom
var _via_canvas_zoom_level_index = VIA_CANVAS_DEFAULT_ZOOM_LEVEL_INDEX; // 1.0
var _via_canvas_scale_without_zoom = 1.0;
// state of the application
var _via_is_user_drawing_region = false;
var _via_current_image_loaded = false;
var _via_is_window_resized = false;
var _via_is_user_resizing_region = false;
var _via_is_user_moving_region = false;
var _via_is_user_drawing_polygon = false;
var _via_is_region_selected = false;
var _via_is_all_region_selected = false;
var _via_is_user_updating_attribute_name = false;
var _via_is_user_updating_attribute_value = false;
var _via_is_user_adding_attribute_name = false;
var _via_is_loaded_img_list_visible = false;
var _via_is_attributes_panel_visible = false;
var _via_is_reg_attr_panel_visible = false;
var _via_is_file_attr_panel_visible = false;
var _via_is_canvas_zoomed = false;
var _via_is_loading_current_image = false;
var _via_is_region_id_visible = true;
var _via_is_region_boundary_visible = true;
var _via_is_ctrl_pressed = false;
// region
var _via_current_shape = VIA_REGION_SHAPE.RECT;
var _via_current_polygon_region_id = -1;
var _via_user_sel_region_id = -1;
var _via_click_x0 = 0; var _via_click_y0 = 0;
var _via_click_x1 = 0; var _via_click_y1 = 0;
var _via_region_click_x, _via_region_click_y;
var _via_copied_image_regions = [];
var _via_region_edge = [-1, -1];
var _via_current_x = 0; var _via_current_y = 0;
// message
var _via_message_clear_timer;
// attributes
var _via_region_attributes = {};
var _via_current_update_attribute_name = "";
var _via_current_update_region_id = -1;
var _via_file_attributes = {};
var _via_visible_attr_name = '';
// persistence to local storage
var _via_is_local_storage_available = false;
var _via_is_save_ongoing = false;
// image list
var _via_reload_img_fn_list_table = true;
var _via_loaded_img_fn_list = [];
var _via_loaded_img_fn_list_file_index = [];
var _via_loaded_img_fn_list_table_html = [];
// UI html elements
var invisible_file_input = document.getElementById("invisible_file_input");
var display_area = document.getElementById("display_area");
var ui_top_panel = document.getElementById("ui_top_panel");
var canvas_panel = document.getElementById("canvas_panel");
var annotation_list_snippet = document.getElementById("annotation_list_snippet");
var annotation_textarea = document.getElementById("annotation_textarea");
var img_fn_list_panel = document.getElementById('img_fn_list_panel');
var img_fn_list = document.getElementById('img_fn_list');
var attributes_panel = document.getElementById('attributes_panel');
var annotation_data_window;
var BBOX_LINE_WIDTH = 4;
var BBOX_SELECTED_OPACITY = 0.3;
var BBOX_BOUNDARY_FILL_COLOR_ANNOTATED = "#f2f2f2";
var BBOX_BOUNDARY_FILL_COLOR_NEW = "#aaeeff";
var BBOX_BOUNDARY_LINE_COLOR = "#1a1a1a";
var BBOX_SELECTED_FILL_COLOR = "#ffffff";
//
// Data structure for annotations
//
function ImageMetadata(fileref, filename, size) {
this.filename = filename;
this.size = size;
this.fileref = fileref; // image url or local file ref.
this.regions = [];
this.file_attributes = {}; // image attributes
this.base64_img_data = ''; // image data stored as base 64
}
function ImageRegion() {
this.is_user_selected = false;
this.shape_attributes = {}; // region shape attributes
this.region_attributes = {}; // region attributes
}
//
// Initialization routine
//
function _via_init() {
console.log(VIA_NAME);
show_message(VIA_NAME + ' (' + VIA_SHORT_NAME + ') version ' + VIA_VERSION +
'. Ready !', 2*VIA_THEME_MESSAGE_TIMEOUT_MS);
show_home_panel();
init_leftsidebar_accordion();
_via_is_local_storage_available = check_local_storage();
if (_via_is_local_storage_available) {
if (is_via_data_in_localStorage()) {
show_localStorage_recovery_options();
}
}