{"id":160,"date":"2011-04-04T16:40:03","date_gmt":"2011-04-04T14:40:03","guid":{"rendered":"http:\/\/vrlab.reutlingen-university.de\/web\/?p=160"},"modified":"2019-11-10T05:25:14","modified_gmt":"2019-11-10T04:25:14","slug":"multi-touch","status":"publish","type":"post","link":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/160\/multi-touch.html","title":{"rendered":"Multi-Touch"},"content":{"rendered":"<p>Seit Beginn des Wintersemesters 2010 arbeitet das VRlab-Team auch an zwei Multi-Touch-Systemen. Eines davon ist ein R\u00fcckprojektionssystem mit vertikaler Bildschirmfl\u00e4che. Im VRlab tr\u00e4gt dieses System aufgrund seiner w\u00fcrfelartigen Form den Namen Cube. Die Eyevis GmbH aus Reutlingen, einer der f\u00fchrenden Hersteller von Gro\u00dfbildsystemen, stellte den Cube der Hochschule zu Forschungszwecken kostenfrei zur Verf\u00fcgung. Der R\u00fcckprojektionscube diente bei \u00dcbergabe an die Hochschule lediglich als Ausgabeger\u00e4t. Die Aufgabe des VRlab-Teams bestand darin, den Cube unter Verwendung von Low-Cost-Komponenten zu einem Multi-Touch-Ger\u00e4t zu erweitern. Die f\u00fcr den Cube ben\u00f6tigten Bauteile wurden ebenfalls von Eyevis bereitgestellt. Weitere Informationen finden Sie hier.<\/p>\n<p>Die Umsetzung der Multi-Touch-Funktionalit\u00e4t wird unter Anwendung des Rear-Diffuse-Illumination-Ansatzes realisiert. Hinter der Projektionsfl\u00e4che angebrachte IR-LEDs leuchten hierbei den Innenraum des Cubes m\u00f6glichst homogen aus. Eine Kamera mit hoher Aufl\u00f6sung und hoher Bildwiederholrate erfasst mittels eines eingebauten IR-Bandpassfilters nur das von den Fingern diffus reflektierte IR-Licht und erkennt daraus eine Ber\u00fchrung der Projektionsfl\u00e4che.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft size-medium wp-image-138\" title=\"multi_touchtisch\" src=\"http:\/\/vrlab.reutlingen-university.de\/web\/wp-content\/uploads\/2012\/12\/multi_touchtisch-300x224.jpg\" alt=\"\" width=\"300\" height=\"224\" srcset=\"https:\/\/vrlab.reutlingen-university.de\/web\/wp-content\/uploads\/2012\/12\/multi_touchtisch-300x224.jpg 300w, https:\/\/vrlab.reutlingen-university.de\/web\/wp-content\/uploads\/2012\/12\/multi_touchtisch.jpg 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Dasselbe Verfahren wird auch bei dem zweiten System, dem Multi-Touch-Tisch angewendet. Der einzige Unterschied besteht darin, dass es sich hierbei um eine horizontale Touchfl\u00e4che handelt und die Hardware-Komponenten von der Hochschule bereitgestellt werden.<\/p>\n<p>Die Entwicklung von Anwendungen f\u00fcr beide Systeme steht bisher noch aus, soll jedoch in den kommenden Semestern verst\u00e4rkt im Vordergrund stehen.<\/p>","protected":false},"excerpt":{"rendered":"<p>Seit Beginn des Wintersemesters 2010 arbeitet das VRlab-Team auch an zwei Multi-Touch-Systemen. Eines davon ist ein R\u00fcckprojektionssystem mit vertikaler Bildschirmfl\u00e4che. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ngg_post_thumbnail":0,"footnotes":""},"categories":[31,55,6],"tags":[],"class_list":["post-160","post","type-post","status-publish","format-standard","hentry","category-archivierte-projekte","category-technik","category-vrlab-projekte"],"_links":{"self":[{"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/posts\/160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/comments?post=160"}],"version-history":[{"count":5,"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/posts\/160\/revisions"}],"predecessor-version":[{"id":1574,"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/posts\/160\/revisions\/1574"}],"wp:attachment":[{"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/media?parent=160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/categories?post=160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vrlab.reutlingen-university.de\/web\/de\/wp-json\/wp\/v2\/tags?post=160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}