Scribble Path Smoothing

Some devices don’t report precise touch point readings. This results in noisy(i.e., not smooth) scribble paths. We need to clean up the scribble data. Firstly, we use the Douglas-Peucker path simplification algorithm to reduce the number of points in a scribble. Douglas-Peucker is able to remove about 80% of points while retaining shape of scribble.…

Read More

Creating a Group in ActiveTextbook PRO

Welcome to the “Creating Groups in ActiveTextbook” blog. We are going to show you step by step how to create Contacts and Groups in ActiveTextbook, and how to assign a book to Groups. Groups A Group is a list of individual users that can be addressed in a single action, such as granting and revoking…

Read More

Discussions beyond the classroom

One of the unique features of ActiveTextbook is that it allows users to add comment boxes to the books and initiate discussions with others. ActiveTextbook is a great addition to Learning Management Systems (LMS) since it allows comment boxes to be created inside the books, which is unlike most systems, where discussion boards are typically…

Read More