Cyberinfrastructure Technology Integration (CITI) Advanced Visualization Division ADVANCED VISUALIZATION Tech-Talk by Vetria L. Byrd Visualization Scientist November 05, 2013
THIS TECH TALK Will Provide an overview of The Visualization Process Resources available via the Advanced Visualization Division Provide an introduction to the types of handson visualization workshops available Will NOT Provide hands-on tutorial for specific software
VETRIA L. BYRD, PHD Visualization Scientist Advanced Visualization Division Clemson Computing & Information Technology Located in Barre Hall (behind McAdams)
MISSION STATEMENT Enable researchers to gain keen insight into their data by equipping them with tools and resources that will allow for visualizing the expected, and discovering the unexpected in their data. í ixàü t Agent of Insight Insight
AGENT OF INSIGHT Introduce Visualization to the greater Clemson University community Increase Clemson s presence in the visualization community Visualization Workshops Designed to provide varying levels of interest Open source tools
WHAT DOES VISUALIZATION MEAN?
PRETTY PICTURES
WHEN SHOULD YOU START THINKING ABOUT VISUALIZATION?
Where is Visualization?
WHAT IS THE PURPOSE OF VISUALIZATION?
The purpose of visualization is insight, not pictures. ~Ben Shneiderman
Dictionary.com IN SIGHT [IN IN-SAHYT] noun 1. an instance of apprehending the true nature of a thing, especially through intuitive understanding. 2. penetrating mental vision or discernment; faculty of seeing into inner character or underlying truth. 3. Psychology. a. an understanding of relationships that sheds light on or helps solve a problem. b. (in psychotherapy) the recognition of sources of emotional difficulty. c. an understanding of the motivational forces behind one's actions, thoughts, or behavior; self-knowledge.
WHY IS INSIGHT IMPORTANT?
Insight Leads to... Visualizing Patterns over Time DISCOVERY 14
Insight Insight Leads to Discovery Spotting Differences
Insight Leads to... Allows users to answer questions they didn t know they had DECISION MAKING 16
Insight Leads to... ANALYSIS OF DATA The Challenger Disaster http://en.wikipedia.org/wiki/33 File: Challenger_explosion.jpg 17
Insight Leads to... Visualizing Spatial Relationships EXPLANATION Normal Overweight Obese Source: A Tour through the Visualization Zoo by Heer, Bostock & Ogievetsky (ACM Queue, 2010) 18
CAN ANYONE THINK OF ANOTHER REASON WHY INSIGHT IS IMPORTANT?
Insight... Tells a Story THE USE OF VISUALIZATION IN THE ANALYSIS OF POLLUTION AND AIR FLOWS IN MANHATTAN, NEW YORK CITY
NAPOLEON S INVASION OF RUSSIA IN 1812 BY JACQUE MINARD Best Statistical Graphic, Ever! Army Size: 100,000 Army Size: 422,000 Moscow Path of retreat Army Size: 10,000-11 -9-26 -30-21 Temperature
Importance of Insight Explanation Insight Tells a Story...
VISUALIZATION APPLICATIONS 23
VISUALIZATION APPLICATIONS Biovisualization The visualization of biological data; Often grouped with computer animation BioVis
VISUALIZATION APPLICATIONS Information Visualization Interdisciplinary Study of the visual representation of largescale collections of non-numerical information InfoVis
VISUALIZATION APPLICATIONS Geographic Visualization Interdisciplinary Study of the visual representation of largescale collections of non-numerical information GeoVis
VISUALIZATION APPLICATIONS Scientific Visualization Primarily concerned with the visualization of three-dimensional phenomena Emphases on realistic renderings of volumes, surfaces, illumination sources, etc. SciVis
UNDERLYING PRINCIPLES 28
Evolution of Presenting Information 3D Renderings of a Simulation Over Time Animated 2D Images 3D Static Images Vector Display and Plotter Graphics Characters on Paper 29
THE DATA BioVis Biological Data VISUALIZATION InfoVis Non-numerical Data GeoVis Geospatial Data Scientific Visualization Simulated, 3D Data
THE PRACTICE OF SCIENTIFIC VISUALIZATION SCIENTIFIC VISUALIZATION PIPELINE http://www.bu.edu/tech/research/training/tutorials/introduction-to-scientific-visualization-tutorial/the-scientific-visualization-pipeline/ 31
THE PRACTICE OF INFORMATION VISUALIZATION 32
THE INFORMATION VISUALIZATION PROCESS 1 6 5 7 2 3 4 Source: http://www.networkworld.com/community/node/41856
INTRODUCTION TO SCIENTIFIC VISUALIZATION 34
SCIENTIFIC VISUALIZATION SOFTWARE Using open-source, multi-platform data analysis and visualization applications Visualization Workshops: Introduction to Scientific Visualization Using VisIt Introduction to Scientific Visualization Using ParaView
INTRODUCTION TO INFORMATION VISUALIZATION 36
INFORMATION VISUALIZATION SOFTWARE Visualization Workshop: Introduction to Information Visualization Using Gephi Open Graph Visualization Platform https://gephi.org/ Same dataset visualized differently (Using Gephi)
INFORMATION VISUALIZATION SOFTWARE Visualization Workshop: Introduction to Data Visualization on the Web using D3.js Data Driven Documents Interactive Data Visualization http://d3js.org/
WHAT S NEW 39
BROWN DIGITAL RESOURCE LABORATORY Cooper Library Laptops available for DRL Use
NEW WORKSHOPS For Faculty & Staff Visualization as a tool for pedagogical purposes Visualization as a Conduit for Collaboration For All Navigating Through the Visualization Zoo New Workshop Series on Visual Analytics
ON THE HORIZON 42
BEGINNER WORKSHOPS Scientific Visualization Introduction to Scientific Visualization Using VisIt 2.7 ParaView Introduction to ParaView Information Visualization Gephi Data Driven Documents (D3.js) Tableau
INTERMEDIATE WORKSHOPS Scientific Visualization Using Visit Getting Data Into VisIt Running VisIt on Palmetto Volume Rendering Information Visualization Using Gephi Using D3.js Tableau
ADVANCED WORKSHOPS Scientific Visualization Visit Python Scripting Information Visualization Using Gephi Using D3.js Tableau Raspberry Pi Workshop
COMING SPRING 2014... Visualization Contest Open to faculty, students and staff Submissions will be displayed on the outside projection of the Brown Digital Resource Laboratory in Cooper Library From all disciplines Look for details in your inbox
SPREAD THE WORD Advanced Visualization Division Data Visualization Internships (for undergraduates) Actively looking for a Visualization Scientist to join the Advanced Visualization Division Actively looking for a graduate student assistant If interested or know someone who is.... Send me an email
Thank You! Vetria (Vee-Tree-Ah) L. Byrd, PhD Visualization Scientist 2097 Barre Hall Email: vlbyrd@clemson.edu HTTP://CITI.CLEMSON.EDU/VIZ/ 48