Visualization Tools Overview: EasyViz

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Visualization Tools Overview Easy-Viz
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Easy-Viz Basics

• Free 2D/3D visualization engine
• Created by NCSA
• Windows only
• Use
• Quick visualization of scalar data
• Easy import/export features

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Basic Concepts

• Scalar data
• Examples
• What is the height of terrain at a specific
  lat/long?
• How much ozone, given amount of VOCs and amount
  of NOx?

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Scalar Data

• 2 dimensional (2D) has one set of three numbers
• Data (z-value) f(x,y)
• Value at Z depends on the values of x and y
• 3D has multiple sets of three numbers

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Startup

• ONE TIME ONLY!
• Install Easy-Viz
• www.eot.org/revitalise
• Procedure
• Download save ZIP file to disk
• Unzip/extract using WinZip
• Install .exe file
• Follow all prompts
• Open from Programs menu

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Menus

• File new, open, save, save as image, export to
  Excel
• Options title, axes, color map, color bar,
  background color
• Settings wireframe, surface, interpolate
• Views isometric, front, back, etc.
• Tools 2D, 3D
• 2D
• 3D cross section, contour plot, surface plot
• Data measure distance, position and data

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Case Studies

• 2D plot of sin(x) plus sin(y)
• 3D MRI brain scan