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MathGroup Archive 2007

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Re: Re: Compatibility woes

  • To: mathgroup at smc.vnet.net
  • Subject: [mg76180] Re: [mg76099] Re: Compatibility woes
  • From: DrMajorBob <drmajorbob at bigfoot.com>
  • Date: Thu, 17 May 2007 06:03:51 -0400 (EDT)
  • References: <f295kp$n4k$1@smc.vnet.net> <30568553.1179316638063.JavaMail.root@m35>
  • Reply-to: drmajorbob at bigfoot.com

ColorData["Legacy", "Images"] returns an error:

ColorData::notprop: Images is not a known property for ColorData. Use \
ColorData["Properties"] for a list of properties.

And neither ColorData["Legacy"][LightGreen] nor  
ColorData["Legacy"][PaleGreen] returns a color (RGB code).

How do I Plot on a PaleGoldenrod background?

Plot[Sin[x], {x, -Pi, Pi}, Background -> PaleGoldenrod]

> Please refer ColorData documentation for further information. Also,
> there is an interactive palette under "Palettes" menu, called
> "ColorSchemes", which will display all the available colors.

When I select "Named" and "Legacy", I get a scroll bar that's unusable. I  
can't arrow down through the list or use the page-down key, making sure  
that I see them all. I can't click on the slider without moving too far  
and missing some. I can't find Blue except by trial and error (even after  
sorting by name).

When I try "paging down" in the list by clicking the control, I get  
different results on every attempt. Sometimes the first color after Azure  
is BlanchedAlmond. Sometimes it's BrownMadder. Et cetera.

Nobody at Wolfram ever tried to USE this palette, it seems to me.

Bobby

On Wed, 16 May 2007 04:30:57 -0500, <yusung at wolfram.com> wrote:

> Dear Mark,
>
> Old Graphics`Colors` are now available as a part of data paclets. Try:
>
> ColorData["Legacy", "Images"]
>
> to see all the previous colors. Simply typing:
>
> ColorData["Legacy"][name], or
> ColorData["Legacy", name]
> will return appropriate colors.
>
> To see the all the color list: ColorData["Legacy", "Range"].
> Remember that this returns a list of a list.
>
> The reason behind this new syntax is that this allows us to include
> far greater range of "color sets" than previous package style
> approach. For instance, you can access all acceptable named HTML
> colors by:
> ColorData["HTML"][name], or
> ColorData["HTML", name]
>
> Please refer ColorData documentation for further information. Also,
> there is an interactive palette under "Palettes" menu, called
> "ColorSchemes", which will display all the available colors.
>
> As for <<Graphics`Colors`, it is safe to use as long as you use it
> with an old notebook. The reason for the warning messages are that
> LightXXXX colors are newly introduced in v6 as system symbols. So, the
> package will override these symbols with its own color values. Except
> that, there is no danger.
>
> Besides, unlike many other paclets, ColorData does not have any online
> component. It is shipped with the product and it is *not* necessary to
> have Internet connection to use it.
>
> Yu-Sung Chang
> Kernel Technology
> Wolfram Research, Inc.
>
>
>
>
>
>
>
>



-- 
DrMajorBob at bigfoot.com


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