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2008 IDL Christmas Card
| 2008 IDL Christmas Card [message #64469] |
Tue, 23 December 2008 07:07 |
rlkling
Messages: 14
Registered: April 1999
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Junior Member |
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Hello All,
I am running a bit behind this year but I wanted to get the card out
before Christmas at least.
The 2008 IDL Christmas Card is a SNOWNADO! A large tornado made of
snowflakes moves around a field picking up Christmas Ornaments and
flinging them high in the air.
This card is modeled after the Tornado demo in IDL. I have always been
impressed with the reality and speed of that demo. The trick to
getting the speed is that it only contains one IDLgrPolygon object
with multiple vertices and a separate connectivity for each square.
(Creating a separate IDLgrPolygon for each square would be much
slower) The event handler then takes each square and transforms its
position based upon some velocity calculations. I was curious if it
would work with a 3D shape like a sphere and it does. In fact
extending it to any 3D object would not be difficult. If you are
looking for a way to visualize rapidly moving 3D objects then this
card may be a good starting place.
You can download it here (look at the bottom of the page)
http://www.kilvarock.com/freesoftware/objects/objects.htm
Have a Merry Christmas!
Ronn Kling
KRS, inc.
Use these books to upgrade your IDL skills.
"Application Development with IDL"
"Calling C from IDL, Using DLM's to extend your IDL code".
SECOND EDITION includes C++ and debugging!
THIRD EDITION includes writing IDL object methods in C and C++!
"Power Graphics with IDL, A Beginner's Guide to Object Graphics"
"IDL primer" A concise introduction to IDL
"Navigating the IDL workbench" Working with the new IDL 7.0
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