Vector Fields

Mohammad H. Chaghazardi

Fall – winter 2011

In this presentation:

2. The coding of the problem

3. The Graphics of the problem

1. The physics of the problem

The Physics

The Physics Field Drawing styles

The PhysicsStatics

The Physics

Moving chargeHighest Accuracy

The PhysicsStray Charge

The Code• Using Arrays instead of Vectors• Function calling• draw function• Scan function ( causes undesired delays)• Super Position function (numerical process)• …

The GraphicsTurbo C ! Dream era

Borland 5

GNU or DEV + Graphics and winBGIm libraries

The GraphicsHow to Draw an Animation ?

1. Drawing the Plot• Using the circle and line

statements

2. Showing the Plot• Picturing Delays

3. Clearing the Plot• Using cleardevice ( ) function

4. Drawing again!

Type 1

FAIL

!

The GraphicsHow to Draw an Animation ?

Type 2

1. Drawing a Plot• Using the circle and line

statements

2. Showing the Plot1. Picturing Delays

3. Drawing an inverse for the Plot

4. Drawing again!FAIL

!

The GraphicsHow to Draw an Animation ?

Type 3

USE OF PAGES IN BGI

PASS !

The GraphicsHow to Draw an Animation ?

Type 3

1. Showing Page 1 : setvisualpage ( int x)2. Selecting Page 2 : setactivepage( int x)3. Drawing Page 24. Showing Page 25. Selecting Page 16. Clearing Page 17. Drawing Page 1 or 28. Goto 1