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blog_view_culling_and_explosions.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="xeokit - SDK for Browser-Based 3D BIM Visualization">
<meta name="author" content="Lindsay Kay">
<meta name="keywords" content="BIM,IFC,WebGL,JavaScript,Browser,BCF,Web,BIMServer,xeolabs,3D,3D Viewer,Lindsay Kay,xeokit,MedViz,ArchViz,Open Source,Browser,Viewer">
<title>xeokit - 3D Web Programming Toolkit for BIM and Engineering Visualization</title>
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<h1><a href="./blog.html">Blog</a> / View Culling and Explosions in xeokit 1.3.5</h1>
<hr>
<p>May 25, 2020</p>
<hr>
<p class="lead">This week, <a
href="http://xeolabs.com">xeolabs</a> released <a
href="https://www.npmjs.com/package/@xeokit/xeokit-sdk">xeokit SDK V1.1</a>, with more features for
browser-based BIM and
engineering graphics.</p>
<p class="lead">In this release: a bundled BIM viewer, fast HTML tree views, context
menus, ambient shadows, improved interaction, metadata support for 3DXML CAD models, support for
BIMServer 1.5.2,
plus various fixes and tweaks requested by users.</p>
<ul>
<li><a href="https://github.com/xeokit/xeokit-sdk/wiki/xeokit-v1.1-Release-Notes">V1.1 Release Notes</a>
</li>
<li><a href="https://www.npmjs.com/org/xeokit">npm Modules</a></li>
<li><a href="https://github.com/xeokit">Source Code</a></li>
<li><a href="https://xeokit.github.io/xeokit-sdk/docs/">API Docs</a></li>
</ul>
<img src="./img/kdtree.jpeg" class="img-fluid rounded mx-auto d-block" alt="...">
</div>
</div>
<hr>
<div class="row mt-2 mb-5">
<div class="col-md-12">
<h2>View Culling</h2>
<p>xeokit V1.1 includes <a href="https://xeokit.github.io/xeokit-bim-viewer/">xeokit-bim-viewer</a>,
an
open source 2D/3D BIM viewer built on xeokit, that runs in the browser and can load models from your
file
system.</p>
<p>This viewer is developed with support from <a href="https://www.digital-building-industries.com/">Digital
building
Industries AG</a> and
<a href="https://www.openproject.org/">OpenProject GmbH</a>.</p>
<p>The viewer is integrated within <a href="https://www.openproject.org/openproject-bim-10-4/">OpenProject
BIM 10.4</a>, and can also be used as a stand-alone JavaScript
application. In combination with open source CLI model conversion tools, it represents a low-cost,
high-performance way to get your IFC models on the Web, that allows you the freedom to convert and host
your models on your own server or GitHub repository.</p>
<p>The viewer even has its own <a href="https://xeokit.github.io/xeokit-bim-viewer/docs/">JavaScript
programming API</a>, through which you can programmatically load models, control UI state etc., to help
integrate it into your website.</p>
<ul>
<li><a href="https://xeokit.github.io/xeokit-bim-viewer">Go to xeokit-bim-viewer</a></li>
<li>
<a href="https://xeokit.github.io/xeokit-bim-viewer/app/index.html?projectId=OTCConferenceCenter&tab=storeys">Run
a demo</a></li>
<li><a href="https://xeokit.github.io/xeokit-bim-viewer/docs/">Read API docs</a></li>
</ul>
<br>
<div class="embed-responsive embed-responsive-16by9"
style="border-radius: 10px; border: 1px solid black;">
<iframe class="embed-responsive-item" src="https://www.youtube.com/embed/qOTdYnWz_YA"
allowfullscreen></iframe>
</div>
</div>
</div>
<hr>
<div class="row mt-2 mb-5">
<div class="col-md-12">
<h2><a name="treeview">Movable Objects</a></h2>
<p>xeokit V1.1 adds a <a
href="https://xeokit.github.io/xeokit-sdk/docs/class/src/plugins/TreeViewPlugin/TreeViewPlugin.js~TreeViewPlugin.html">TreeViewPlugin</a>,
a fast HTML tree view component that can navigate
the objects
in huge models. TreeViewPlugin has various hierarchy modes, scales up to large numbers of objects, and
is fully customizable using CSS.</p>
<p>This plugin was developed with support from <a href="https://www.digital-building-industries.com/">Digital
building
Industries AG</a> and
<a href="https://www.openproject.org/">OpenProject GmbH</a>.</p>
<ul>
<li><a href="https://xeokit.github.io/xeokit-sdk/examples/#ContextMenu_Canvas_TreeViewPlugin_Custom">Run
a demo</a></li>
<li>
<a href="https://xeokit.github.io/xeokit-sdk/docs/class/src/plugins/TreeViewPlugin/TreeViewPlugin.js~TreeViewPlugin.html">Read
API Docs</a></li>
</ul>
<a href="https://xeokit.github.io/xeokit-sdk/examples/#ContextMenu_Canvas_TreeViewPlugin_Custom"
style="border: 1px solid black;"><img class="rounded img-fluid mx-auto d-block float-left"
src="http://xeokit.io/img/docs/TreeViewPlugin/TreeViewPlugin.png"></a>
</div>
</div>
<hr>
<div class="row mt-2 mb-5">
<div class="col-md-12">
<h2>Concurrent Loading</h2>
<p>xeokit V1.1 adds a <a
href="https://xeokit.github.io/xeokit-sdk/docs/class/src/extras/ContextMenu/ContextMenu.js~ContextMenu.html">ContextMenu</a>
component that you can customize with your own options and CSS.</p>
<p>This component was developed with support from <a href="https://www.digital-building-industries.com/">Digital
building
Industries AG</a> and
<a href="https://www.openproject.org/">OpenProject GmbH</a>.</p>
<ul>
<li><a href="https://xeokit.github.io/xeokit-sdk/examples/#ContextMenu_Canvas_TreeViewPlugin_Custom">Run
a demo</a></li>
<li>
<a href="https://xeokit.github.io/xeokit-sdk/docs/class/src/extras/ContextMenu/ContextMenu.js~ContextMenu.html">Read
API Docs</a></li>
</ul>
<a href="https://xeokit.github.io/xeokit-sdk/examples/#ContextMenu_Canvas_TreeViewPlugin_Custom"
style="border: 1px solid black;">
<img class="rounded mx-auto d-block img-fluid float-left"
src="http://xeokit.io/img/docs/ContextMenu/ContextMenu.gif"></a>
</div>
</div>
<hr>
<div class="row mt-2 mb-5">
<div class="col-md-12">
<h2>BCF Enhancement</h2>
<p>xeokit V1.1 adds Scalable Ambient Obscurance (SAO), which approximates <a
href="https://en.wikipedia.org/wiki/Ambient_occlusion" target="_external">Ambient
Occlusion</a> in realtime. It darkens creases, cavities
and
surfaces that are close to each other, which tend to be occluded from ambient light and appear
darker.</p>
<p>SAO was developed with support from <a href="http://dstudio.be/" target="_external">D-Studio</a>.</p>
<p>The animated GIF below shows the effect as we repeatedly enable and disable SAO. When SAO is enabled, we
can
see darkening
in regions such as the corners, and the crevices between stairs. This increases the amount of detail we
can
see when ambient
light is high, or when objects have uniform colors across their surfaces. Run the example to experiment
with
the various
SAO configurations.</p>
<ul>
<li><a href="https://xeokit.github.io/xeokit-sdk/examples/#postEffects_SAO_OTCConferenceCenter">Run a
demo</a></li>
<li><a href="https://xeokit.github.io/xeokit-sdk/docs/class/src/viewer/scene/postfx/SAO.js~SAO.html">Read
API Docs</a></li>
</ul>
<p><a href="https://xeokit.github.io/xeokit-sdk/examples/#postEffects_SAO_OTCConferenceCenter"><img
class="rounded mx-auto d-block img-fluid float-left"
src="http://xeokit.io/img/docs/SAO/saoEnabledDisabled.gif"></a></p>
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