Book Image

IBM Cognos 8 Report Studio Cookbook

By : Abhishek Sanghani
Book Image

IBM Cognos 8 Report Studio Cookbook

By: Abhishek Sanghani

Overview of this book

Cognos Report Studio is widely used for creating and managing business reports in medium to large companies. It is simple enough for any business analyst, power user, or developer to pick up and start developing basic reports. However, when it comes to developing more sophisticated, fully functional business reports for wider audiences, report authors will need guidance. This book helps you understand and use all the features provided by Report Studio to generate impressive deliverables. It will take you from being a beginner to a professional report author. It bridges the gap between basic training provided by manuals or trainers and the practical techniques learned over years of practice. This book covers all the basic and advanced features of Report Authoring. It begins by bringing readers on the same platform and introducing the fundamental features useful across any level of reporting. Then it ascends to advanced techniques and tricks to overcome Studio limitations.Develop excellent reports using dimensional data sources by following best practices that development work requires in Report Studio. You will also learn about editing the report outside the Studio by directly editing the XML specifications. Provide richness to the user interface by adding JavaScript and HTML tags. The main focus is on the practical use of various powerful features that Report Studio has to offer to suit your business requirements.
Table of Contents (18 chapters)
IBM Cognos 8 Report Studio Cookbook
Credits
About the Author
About the Reviewers
Preface
Index

Variable width bar chart using JavaScript


A report shows Unit cost and Unit price of all products. It also works out the Profit Margin from these two.

Business owners are naturally more interested in products with a high profit margin as well as a high unit price.

In this recipe, we will create 'Variable width bar chart' using JavaScript, which shows a bar for every product. The length of bar will indicate the Profit Margin, whereas width will indicate the unit price.

Getting ready

Create a simple list report with Product name, Unit cost, and Unit price as columns.

Also add a calculated item, called Margin, to the list to compute the Profit Margin and define it as: ([Unit price]-[Unit cost])/[Unit cost].

How to do it...

  1. Drag a new HTML item on the list report as a new column.

  2. Unlock the report objects using Unlock button . Add four more HTML items in the column where you added above HTML item. The report should look like this in the Studio:
  3. Now define the first HTML item as:

    <script>
    var...