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Originally Posted by Dr.Sid
Hmm .. this book is on google books . Awfully incomplete, as usual. You cost me a lot SeaQueen, you know that ? :rotfl:
Well I know raytracer is not enough. But I'm having troubles finding the differences. Let's say comparison between raytrace and other methods, on pictures, side by side.
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The biggest difference I've noticed is that raytracers tend to be pretty good approximations for TL in the thousands of Hertz range, and awful in the tens and hundreds of Hertz range.
There's also some lecture notes that go well with that book on MIT's OpenCourse website.
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First we must select what effects are important and needed. Then we can talk about how to do it. I can do the later. I hope you SeaQueen will help me a bit with the former.
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It's like I said, the phenomenta that are important are frequency dependent. The sonic layer depth might matter a lot for a sonar operating in the thousands of Hertz band, but have an almost immeasurable effect on a sonar that operates in the hundreds of Hertz. How to capture that in the game, is tough, though, because you'd have to solve the parabolic equations somehow (See the book I recommended).