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Newcomers DBPro Corner / For Next Step Increments & Transformation Matrix

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smef
19
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Joined: 22nd Dec 2004
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Posted: 23rd Dec 2004 01:26
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Does anyone know if dbPro supports non integer steps like QuickBasic did? If not why not.

I want to be able to plot math functions in 2k and 3d.

I also need to use a transformation matrix to be able to display the 4 cartesian quadrants.

Any help would be appreciated.

smef

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Dodo
20
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Joined: 8th Aug 2004
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Posted: 23rd Dec 2004 16:51
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1. yes. just use a float variable and use the step command.


Quote: "I also need to use a transformation matrix to be able to display the 4 cartesian quadrants"


???????? what do you mean?

Part of solving the problem is actually noticing that the problem is there in the first place

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smef
19
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Joined: 22nd Dec 2004
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Posted: 24th Dec 2004 05:48
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Thanks, got it! Just trying to plot basic math functions in 2d (sine, cosine, etc).

For the transformation matrix I'll have to review Eulers angles.

What I was looking for is how do I define the cartesian coordinates;
|
-+ | ++
|
--------------
|
-- | +-
|


Like so

For sin etc. all it is is multiply by -1 to flip the plot.

Thanks again

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