FreeForm Optics (Make Complex Lenses)

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While trying to figure out spherical aberration in lenses i wanted to see how rays exactly travel through lens. I wanted to make free form lenses to try to experiment with focus. I made this app to help myself first. I publish it on playstore to let other also do experiments.


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Info

This is optics app to dynamically create complex lenses and test how refraction happens.


NOTE(s):

- Freeform lenses don't have a fixed focus since surface cannot be easily described mathematically. Please don't expect focal length support!.

- In reality there is no fixed focal length of an optical object. Only highest dense focus is considered as focal length. This can easily be tested by creating a convex lens and increasing rays to 100+.

- This app is mostly suitable for research or innovative purposes. Can be very helpful in teaching optics.

- Red rays are inside medium. Green rays are result rays coming out from medium. Yellow rays are TIR (Total Internal Reflection) rays.



Features

- As the app name says it allows free forms of lenses. Just paint lenses like an artist.

- Supports standard lenses i.e. concave & convex lenses with editing option.

- Non freeform lenses are created using bezier curves.



Limitations:

App has some rules not knowing which can cause incorrect optics or loss of data.

- Rays start from left and reaches right end. No other direction is supported.

- Lenses when selected show rectangular bound. Bounds of lenses should NEVER overlap as it leads to bad optics.

- Currently nothing can be saved for reload. Always save result as image for reference. Active work loss due to app going background can happen.

- UNDO REDO is not available.



Quick Help:

- Set total rays using Rays button.
- Create lens using + button. - button to delete lens.
- Double tap on a lens to enter edit mode.
- EDIT MODE: Use Move button for movements.
- EDIT MODE: Use X, Y buttons to enable disable movement along respective AXIS.
- EDIT MODE: Use Edit to change shape of bezier lenses.
- Export image of optical setup.


More help is here:

http://www.gamesgreh.blogspot.com/2019/01/freeform-optics-android-app-help.html


DISCLAIMER:

This app doesn't guarantee to achieve optics of real laboratory. Focuses on making small lenses and combinations to make foundation of bigger work.
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What's New

- 64Bit native support added.
- Added quick offline help and online help.
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Additional Information

Updated
January 10, 2019
Size
3.4M
Installs
100+
Current Version
1.0.2
Requires Android
4.0.3 and up
Content Rating
Everyone
Interactive Elements
Digital Purchases
Permissions
Offered By
GamesGreh
Developer
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