Re: How does the algoritm look like in this scenario

From	Gregor Kofler <usenet@gregorkofler.com>
Newsgroups	comp.lang.javascript
Subject	Re: How does the algoritm look like in this scenario
Date	2013-02-25 18:36 +0100
Organization	A noiseless patient Spider
Message-ID	<kgg7d9$fkl$1@dont-email.me> (permalink)
References	<kgfgj7$d9b$1@dont-email.me>

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Am 2013-02-25 12:07, schrieb Tony:
> Hello!
>
> Assume I have on the x-axes the display area from x=40 pixels to x=750
> pixels
> If I now want to set a lot of point in this coordinate system.
> For example if I have x-value 0 this would be positioned  at x = 40 and
> x-value 800 would be positioned at x=750.
> So I have to transform my x value into the coordinate system where origo
> for x is 40 and x max is 800.
>
> I can't find a suitable algoritm that can transform my x values into
> this coordinate system.
>
> //Tony

xNew = xOld * (750 - 40) / 800 + 40;

Are we doing your homework, or have you been perpetually asleep in the 
basic math lessons? Or... are you just trolling?

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How does the algoritm look like in this scenario "Tony" <tony.johansson@inport.com> - 2013-02-25 12:07 +0100
  Re: How does the algoritm look like in this scenario Martin Leese <please@see.Web.for.e-mail.INVALID> - 2013-02-25 10:36 -0700
  Re: How does the algoritm look like in this scenario Gregor Kofler <usenet@gregorkofler.com> - 2013-02-25 18:36 +0100

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