Canvas Library

Privacy Statement (German Datenschutzerklärung )

This is a privacy statement (Datenschutzerklärung) as required according to German law, which is applicable since H.E.I. is a German company. This document shall be governed by German law and gives the declarations needed according to german law. It should not be confused with a complete privacy policy as used by many international companies.

This document only refers to personal data provided to H.E.I. from you by visiting the web site or It e.g. does not apply to linked pages on other domains or data provided to H.E.I. by other means.

Info and Corrections

You may contact to get information on personal data stored and possibly can request correction, blocking, or deletion according to the rules in the German BDSG law.

Page Comments

We are happy about comments you provide to us on our pages. When using the comment link near the bottom of most of the pages you can enter a comment and you may, if you wish, enter your email address and/or your name. It is, however, perfectly ok to leave the email field empty and to enter a pseudonym instead of your real name.

If you, however, enter your real email address and name, you herewith authorize H.E.I. to store, process, use, passon, and publish this information. If you do not agree, please do not enter this information. If you change your mind, you can revoke your agreement for the future, please email to

You also authorize H.E.I. to use and copy your comment, which includes publishing the comment on a web site in unchanged or changed form, incorporating it into the libraries electronic or printed documentation or the software itself. Note that we are not required to publish your comment.


This website uses cookies to store the information if you alredy did respond to the warning message. In addition google analytics and twitter use cookies, see below.

Google Analytics

This website uses Google Analytics, a web analytics service provided by Google, Inc. ("Google"). Google Analytics uses "cookies", which are text files placed on your computer, to help the website analyze how users use the site. The information generated by the cookie about your use of the website (including your IP address) will be transmitted to and stored by Google on servers in the United States. In case of activation of the IP anonymization, Google will truncate/anonymize the last octet of the IP address for Member States of the European Union as well as for other parties to the Agreement on the European Economic Area. Only in exceptional cases, the full IP address is sent to and shortened by Google servers in the USA. On behalf of the website provider Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity for website operators and providing other services relating to website activity and internet usage to the website provider. Google will not associate your IP address with any other data held by Google. You may refuse the use of cookies by selecting the appropriate settings on your browser. However, please note that if you do this, you may not be able to use the full functionality of this website.

Furthermore you can prevent Google's collection and use of data (cookies and IP address) by downloading and installing the browser plug-in available under

You can refuse the use of Google Analytics by clicking on the following link. An opt-out cookie will be set on the computer, which prevents the future collection of your data when visiting this website: Disable Google Analytics.

Further information concerning the terms and conditions of use and data privacy can be found at or at Please note that on this website, Google Analytics code is supplemented by "gat._anonymizeIp();" to ensure an anonymized collection of IP addresses (so called IP-masking).

(This text was copied from www.datenschutzbeauf

Social plug-ins from Twitter

With Twitter and its Retweet functions, we use social plug-ins from, operated by Twitter Inc. 795 Folsom St., Suite 600, San Francisco, CA 94107. If you use Retweet, the websites visited by you are announced to third parties and associated with your Twitter account. Details about handling of your data by Twitter as well as your rights and setting options for protecting your personal information can be found in Twitter's data privacy policy:

(This text was generated via

WebGL™ is a trademark of the Khronos Group Inc.