The Solar System: A Graphical Model Christina Powell.

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Presentation transcript:

The Solar System: A Graphical Model Christina Powell

Purpose: To create a tool for teaching young students about the Solar System that exceeds the current mechanical models.

Areas of Study  The Solar System  in general  in depth research about the planets  Gravitational Physics  3D Programming  lighting  animation  texture

Intended Results  Main goal: Educational Product  Secondary Goals  option “riding” a planet.  up-close views of the planets  geography and topographical texture (maybe)  information about each planet's composition, size, moons, and atmosphere simply by clicking on it.  compare the revolution periods, inclinations, and eccentricities of the planet's firsthand

Previous Work  Numerical Models (statistical and dynamic)  used to study both astronomy and the atmosphere  Indiana University  creating models as a method of learning astronomy

Timeline First Quarter – getting acquainted with 3D programming in OpenGL and Processing Second Quarter – computational physics component Third Quarter – expansion and user interaction Fourth Quarter – educational value, extras if time

Gravitational Physics Newton's Universal Law of Gravitation F = (G*m 1 *m 2 ) / d 2 Newton's Second Law: F = ma Planetary inclination: movement occurs along all three axes

Leapfrog Algorithm

Testing Visual: how does it look? Can the user tell what's going on? Is everything clear? Numerical: Is the computational physics side of this working correctly?

User testing: Does the user interaction work properly? camera motion original camera positioning and lighting adjustments for it IS IT EDUCATIONAL? currently, no Testing (Cont.)

Problems Circular Motion is not Projectile Motion Ellipses are not Circles I HATE ellipses

Results Planets orbiting the Sun in a circles, not ellipses Planets are lit as if light is emanating from the Sun No texture =( Not educational

Change in Intentions My model is to be different from others in that it is educational, so I need to: focus more on: user interaction presentation and less on: graphics physical accuracy

Mercury --> Venus --> Sun --> Mars --> <-- Earth

The End :-D

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