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165 lines
5.3 KiB
Mason
165 lines
5.3 KiB
Mason
From: <Saved by Blink>
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Snapshot-Content-Location: https://aardgoose.github.io/CaveView.js/installation.html
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Subject: CaveView installation
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Date: Sun, 24 Oct 2021 15:46:19 -0000
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Content-Location: https://aardgoose.github.io/CaveView.js/installation.html
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<!DOCTYPE html><html xmlns=3D"http://www.w3.org/1999/xhtml" xml:lang=3D"en-=
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gb" lang=3D"en-gb" dir=3D"ltr"><head><meta http-equiv=3D"Content-Type" cont=
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ent=3D"text/html; charset=3DUTF-8">
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<title>CaveView installation</title>
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=09
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<link type=3D"text/css" href=3D"https://aardgoose.github.io/CaveView.js/do=
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c.css" rel=3D"stylesheet">
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</head>
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<body>
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<h1>Cave View - installation instructions - V2 API</h1>
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<h2>Install CaveView files</h2>
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<p>A zip archive containing the required files for the latest release are =
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<a href=3D"https://github.com/aardgoose/CaveView.js/releases">here</a>.</p>
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<p>There is no need to build the JavaScript application from source files =
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unless you would like to modify the application.</p>
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<p>Unzip the archive in a convenient location on your web server </p>
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<h2>Using in a web page</h2>
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<p>CaveView requires two files to be included in the page. Replace the plac=
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eholder %path% with the path to the unzipped files on the server in the fol=
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lowing examples.</p><p>
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</p><h3>caveview.css</h3>
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<p>The side panel interface and on screen indicators are styled with cavevi=
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ew.css. Include this in the <strong>head</strong> section of the page.</p>
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<pre> <link type=3D"text/css" href=3D"%path%/CaveView/css/caveview.css" =
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rel=3D"stylesheet" /></pre>
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<h3>CaveView.js</h3>
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<p>The CaveView application is provided in one javascript file. Include thi=
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s in the <strong>body</strong> section of the page. <strong>NOTE: The filen=
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ame has changed for the V2 API.</strong></p>
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<pre> <script type=3D"text/javascript" src=3D"%path%/CaveView/js/CaveVie=
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w2.js" ></script></pre>
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<h3>Add a container element</h3>
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<p>Add an empty block element to the page, with a suitable <strong>id</stro=
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ng> attribute. This contains the application, and be sized as required. For=
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example a <strong>div</strong> element:</p>
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<pre><div id=3D'% element-id %' ></div></pre>
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<h3>Create a script to run the application</h3>
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<p>The application can be loaded using javascript, typically using an load =
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event handler. Replace the placeholder %...% elements with values appropria=
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te for your site.</p>
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<pre><script type=3D"text/javascript" >
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function onLoad () {
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// display the user interface - and a blank canvas
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// the configuration object specifies the location of CaveView, surveys a=
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nd terrain files
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var viewer =3D new CV2.CaveViewer( '% element-id %', {
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home: '% location of the unzipped CaveView directory on the survey %',
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surveyDirectory: '% location of the survey files on the server %',
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terrainDirectory: '% location of the terrain files on the server %'
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} );
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// if using the full user interface (UI)
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var ui =3D new CV2.CaveViewUI( viewer );
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// load a single survey to display
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ui.loadCave( '% survey filename %' );
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// or without the user interface
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viewer.loadCave( '% survey filename %' );
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}
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</script>
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</pre>
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<p>alternatively provide a list of surveys to display, by replacing the loa=
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dCave() function call with loadCaveList() :</p>
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<pre> ui.loadCaveList( [ '% survey filename 1 %', '% survey filename 2 %', =
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'% survey filename 3 %' ] );
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</pre>
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<p>This can be automatically executed on page load by including a page load=
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handler in the page <strong>body</strong> tag:</p>
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<pre><body onload=3D"onload();" ></pre>
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<p>CaveView should now display when the page is viewed.</p>
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<p>The example files included demonstrate using multiple viewers on a page,
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changing the default view settings and altering the appearance of the viewe=
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r.</p>
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<h3>Removal</h3>
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<p>To remove the viewer from a page and reclaim memory used promptly:</p>
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<pre> ui.dispose();
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ui =3D null;
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viewer =3D null;
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</pre>
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<p>Or if not using the UI, just the viewer:</p>
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<pre> viewer.dispose();
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viewer =3D null;
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</pre>
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