ModelingACity.pdf

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Microsoft PowerPoint - ModelingACity01.02.2007.ppt
Modeling a City
Tools and techniques for creating your city in Google Earth
Boulder, CO
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Modeling a City
Tools and techniques for creating your city in Google Earth
Topics
I. Modeling for a Map
II. Software Tools
III. Terminology
IV. Tips and Tricks
A. Optimize your Model
B. Optimize your Textures
V. Process
VI. Valuable Resources
Colorado Springs, CO
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I. Modeling for a Map
Modeling for Google Earth can be challenging because it
is quite different than 3D modeling for architectural
projects or to achieve professionally rendered scenes.
Since Google Earth is an online, interactive, 3D
program, models must be optimized for fast download
and for good computer performance. Also, since the
goal is to view a full city worth of models at a time,
models must coincide with the big picture, and
therefore portray only enough detail.
Keys to Success
¤ DonÓt model all the Details
¤ Represent only the Important Aspects
¤ Let texture images show most of the details
¤ Small files are Crucial
¤ Make it Beautiful
¤ Maintain Accuracy in Scale and Location
Only 25k!
Trump World Tower
Bottom Line - Simplicity is the Key
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II. Software Tools
SketchUp
www.sketchup.com
3D Modeling tool
Google Earth
earth.google.com
3D interactive Earth Browser
3D Warehouse
sketchup.google.com/3dwarehouse
Online Repository of 3D content
Photoshop
www.adobe.com
Advanced Photo Editing
Picasa
picasa.google.com
Photo Editing and Organization
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III. Terminology
Edge or Line
Î geometry that divides and borders faces
Face or Polygon (Poly)
Î a flat surface bound by at least 3 lines
Low-Poly
Î using a minimal number of edges and faces to limit file
size
File Size
-amount of memory on your computer that a file requires
Texture or Material
Î Standard or custom images or colors
Tileable Texture
Î An image which repeats along all sides
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