* bug: colors in TikZ/ConTeXt MKIV
@ 2010-11-26 22:24 Mojca Miklavec
2010-11-27 11:04 ` Vedran Miletić
0 siblings, 1 reply; 15+ messages in thread
From: Mojca Miklavec @ 2010-11-26 22:24 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Christian Feuersaenger, Till Tantau
Dear Till/Christian/Hans,
The following is broken in ConTeXt MKIV (assuming the usage of patched
TikZ to allow running it under MKIV at all), but works fine in ConTeXt
MKII:
\usemodule[tikz]
\starttext
\starttikzpicture
\node[circle,ball color=red!10] (a) at (0,0,0) {$p_x$};
\stoptikzpicture
\stoptext
Mojca
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-11-26 22:24 bug: colors in TikZ/ConTeXt MKIV Mojca Miklavec
@ 2010-11-27 11:04 ` Vedran Miletić
2010-11-27 12:29 ` Hans Hagen
0 siblings, 1 reply; 15+ messages in thread
From: Vedran Miletić @ 2010-11-27 11:04 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Christian Feuersaenger, Till Tantau
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2010/11/26 Mojca Miklavec <mojca.miklavec.lists@gmail.com>
> Dear Till/Christian/Hans,
>
> The following is broken in ConTeXt MKIV (assuming the usage of patched
> TikZ to allow running it under MKIV at all), but works fine in ConTeXt
> MKII:
>
> \usemodule[tikz]
> \starttext
>
> \starttikzpicture
> \node[circle,ball color=red!10] (a) at (0,0,0) {$p_x$};
> \stoptikzpicture
>
> \stoptext
>
> Mojca
>
Same here.
Regards,
Vedran Miletić
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-11-27 11:04 ` Vedran Miletić
@ 2010-11-27 12:29 ` Hans Hagen
2010-11-27 13:16 ` Mojca Miklavec
0 siblings, 1 reply; 15+ messages in thread
From: Hans Hagen @ 2010-11-27 12:29 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Christian Feuersaenger, Till Tantau
On 27-11-2010 12:04, Vedran Miletić wrote:
> 2010/11/26 Mojca Miklavec<mojca.miklavec.lists@gmail.com>
>
>> Dear Till/Christian/Hans,
>>
>> The following is broken in ConTeXt MKIV (assuming the usage of patched
>> TikZ to allow running it under MKIV at all), but works fine in ConTeXt
>> MKII:
>>
>> \usemodule[tikz]
>> \starttext
>>
>> \starttikzpicture
>> \node[circle,ball color=red!10] (a) at (0,0,0) {$p_x$};
>> \stoptikzpicture
>>
>> \stoptext
>>
>> Mojca
>>
>
> Same here.
\starttikzpicture
\node[circle,ball color=darkred] (a) at (0,0,0) {$p_x$};
\stoptikzpicture
\starttikzpicture
\node[circle,ball color=red] (a) at (0,0,0) {$p_x$};
\stoptikzpicture
\definecolor[myred][r=.1]
\starttikzpicture
\node[circle,ball color=myred] (a) at (0,0,0) {$p_x$};
\stoptikzpicture
-----------------------------------------------------------------
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tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-11-27 12:29 ` Hans Hagen
@ 2010-11-27 13:16 ` Mojca Miklavec
2010-11-27 13:25 ` Hans Hagen
0 siblings, 1 reply; 15+ messages in thread
From: Mojca Miklavec @ 2010-11-27 13:16 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Christian Feuersaenger, Till Tantau
On Sat, Nov 27, 2010 at 13:29, Hans Hagen wrote:
>
> \starttikzpicture
> \node[circle,ball color=darkred] (a) at (0,0,0) {$p_x$};
> \stoptikzpicture
I made a workaround in that way, but it's still a bug ...
Mojca
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-11-27 13:16 ` Mojca Miklavec
@ 2010-11-27 13:25 ` Hans Hagen
2010-12-01 12:36 ` Michael Murphy
0 siblings, 1 reply; 15+ messages in thread
From: Hans Hagen @ 2010-11-27 13:25 UTC (permalink / raw)
To: mailing list for ConTeXt users
Cc: Christian Feuersaenger, Till Tantau, Mojca Miklavec
On 27-11-2010 2:16, Mojca Miklavec wrote:
> On Sat, Nov 27, 2010 at 13:29, Hans Hagen wrote:
>>
>> \starttikzpicture
>> \node[circle,ball color=darkred] (a) at (0,0,0) {$p_x$};
>> \stoptikzpicture
>
> I made a workaround in that way, but it's still a bug ...
I have no clue what the ! does apart from defining a color red at 10%
but I do know that context ignores it.
Hans
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-11-27 13:25 ` Hans Hagen
@ 2010-12-01 12:36 ` Michael Murphy
2010-12-01 12:58 ` Hans Hagen
0 siblings, 1 reply; 15+ messages in thread
From: Michael Murphy @ 2010-12-01 12:36 UTC (permalink / raw)
To: mailing list for ConTeXt users
On Sat, 2010-11-27 at 14:25 +0100, Hans Hagen wrote:
> On 27-11-2010 2:16, Mojca Miklavec wrote:
> > On Sat, Nov 27, 2010 at 13:29, Hans Hagen wrote:
> >>
> >> \starttikzpicture
> >> \node[circle,ball color=darkred] (a) at (0,0,0) {$p_x$};
> >> \stoptikzpicture
> >
> > I made a workaround in that way, but it's still a bug ...
>
> I have no clue what the ! does apart from defining a color red at 10%
> but I do know that context ignores it.
>
> Hans
The '!' is actually pretty neat, since it allows you to blend colors. By
default, tikz blends colors with white, so
red!10
means mix 10% red with 90% white. This has the advantage that I can take
any color, say
\definecolor[mycolor][r=0.42,g=1.,b=0.2]
and lighten it 50% by just using
mycolor!50
I can also blend two colors together, using
colorA!50!colorB
I'm also pretty sure that context didn't always ignore the exclamation
mark. Is there a way to reverse this behaviour?
PS I've tried using spot colors in context, but that doesn't seem to
work:
\definespotcolor[mycolor][red][p=.1]
--
Michael Murphy MPhys <michael.murphy@uni-ulm.de>
Institute für Quanteninformationsverarbeitung
Room N25/4409
Universität Ulm
Albert-Einstein-Allee 11
89081 Ulm Deutschland
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www.uni-ulm.de/nawi/nawi-qiv.html
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-12-01 12:36 ` Michael Murphy
@ 2010-12-01 12:58 ` Hans Hagen
2010-12-01 17:37 ` Michael Murphy
` (2 more replies)
0 siblings, 3 replies; 15+ messages in thread
From: Hans Hagen @ 2010-12-01 12:58 UTC (permalink / raw)
To: michael.murphy, mailing list for ConTeXt users
On 1-12-2010 1:36, Michael Murphy wrote:
> On Sat, 2010-11-27 at 14:25 +0100, Hans Hagen wrote:
>> On 27-11-2010 2:16, Mojca Miklavec wrote:
>>> On Sat, Nov 27, 2010 at 13:29, Hans Hagen wrote:
>>>>
>>>> \starttikzpicture
>>>> \node[circle,ball color=darkred] (a) at (0,0,0) {$p_x$};
>>>> \stoptikzpicture
>>>
>>> I made a workaround in that way, but it's still a bug ...
>>
>> I have no clue what the ! does apart from defining a color red at 10%
>> but I do know that context ignores it.
>>
>> Hans
>
> The '!' is actually pretty neat, since it allows you to blend colors. By
> default, tikz blends colors with white, so
>
> red!10
>
> means mix 10% red with 90% white. This has the advantage that I can take
> any color, say
>
> \definecolor[mycolor][r=0.42,g=1.,b=0.2]
>
> and lighten it 50% by just using
>
> mycolor!50
>
> I can also blend two colors together, using
>
> colorA!50!colorB
>
> I'm also pretty sure that context didn't always ignore the exclamation
> mark. Is there a way to reverse this behaviour?
I'm pretty sure that I never implemented something using a questionmark.
However, we do have:
\definecolor[red-t] [r=1,t=0.5,a=1]
\definecolor[green-t][g=1,t=0.5,a=1]
\defineintermediatecolor[mycolora][0.5,red,green]
\defineintermediatecolor[mycolorb][0.5,red-t,green-t]
\starttext
test {\mycolora OEPS} test
test {\mycolorb OEPS} test
\stoptext
I could probably support
\definecolor[xxx][0.5(red,green)]
\definecolor[xxx][0.5(red)]
which looks better than this ! and is less likely to conflict with names
as abc! is a rather value color name.
Hans
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| www.pragma-pod.nl
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-12-01 12:58 ` Hans Hagen
@ 2010-12-01 17:37 ` Michael Murphy
2010-12-01 17:42 ` Wolfgang Schuster
2010-12-02 4:02 ` Aditya Mahajan
2010-12-02 7:19 ` Alan BRASLAU
2 siblings, 1 reply; 15+ messages in thread
From: Michael Murphy @ 2010-12-01 17:37 UTC (permalink / raw)
To: Hans Hagen; +Cc: mailing list for ConTeXt users
> I'm pretty sure that I never implemented something using a questionmark.
> However, we do have:
>
> \definecolor[red-t] [r=1,t=0.5,a=1]
> \definecolor[green-t][g=1,t=0.5,a=1]
> \defineintermediatecolor[mycolora][0.5,red,green]
> \defineintermediatecolor[mycolorb][0.5,red-t,green-t]
>
> \starttext
> test {\mycolora OEPS} test
> test {\mycolorb OEPS} test
> \stoptext
>
> I could probably support
>
> \definecolor[xxx][0.5(red,green)]
> \definecolor[xxx][0.5(red)]
>
> which looks better than this ! and is less likely to conflict with names
> as abc! is a rather value color name.
OK, thanks. Last question then: is there a way to redefine standard
colors? Something like:
\redefinecolor[red][r=0,g=1,b=0]
--
Michael Murphy
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-12-01 17:37 ` Michael Murphy
@ 2010-12-01 17:42 ` Wolfgang Schuster
0 siblings, 0 replies; 15+ messages in thread
From: Wolfgang Schuster @ 2010-12-01 17:42 UTC (permalink / raw)
To: michael.murphy, mailing list for ConTeXt users
Am 01.12.2010 um 18:37 schrieb Michael Murphy:
> OK, thanks. Last question then: is there a way to redefine standard
> colors? Something like:
>
> \redefinecolor[red][r=0,g=1,b=0]
\starttext
\definecolor[test][r=1]\color[test]{red?}
\definecolor[test][g=1]\color[test]{red?}
\definecolor[test][b=1]\color[test]{red?}
\stoptext
Wolfgang
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-12-01 12:58 ` Hans Hagen
2010-12-01 17:37 ` Michael Murphy
@ 2010-12-02 4:02 ` Aditya Mahajan
2010-12-02 8:01 ` Hans Hagen
2010-12-02 7:19 ` Alan BRASLAU
2 siblings, 1 reply; 15+ messages in thread
From: Aditya Mahajan @ 2010-12-02 4:02 UTC (permalink / raw)
To: mailing list for ConTeXt users
On Wed, Dec 1, 2010 at 7:58 AM, Hans Hagen <pragma@wxs.nl> wrote:
> I could probably support
>
> \definecolor[xxx][0.5(red,green)]
> \definecolor[xxx][0.5(red)]
>
> which looks better than this ! and is less likely to conflict with names as
> abc! is a rather value color name.
That will be a nice feature to have (especially, if it can also be
used with \definedcolor)
Aditya
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-12-01 12:58 ` Hans Hagen
2010-12-01 17:37 ` Michael Murphy
2010-12-02 4:02 ` Aditya Mahajan
@ 2010-12-02 7:19 ` Alan BRASLAU
2010-12-02 11:17 ` Hans Hagen
2 siblings, 1 reply; 15+ messages in thread
From: Alan BRASLAU @ 2010-12-02 7:19 UTC (permalink / raw)
To: ntg-context
On Wednesday 01 December 2010 13:58:23 Hans Hagen wrote:
>
> I could probably support
>
> \definecolor[xxx][0.5(red,green)]
> \definecolor[xxx][0.5(red)]
>
> which looks better than this ! and is less likely to conflict with names
> as abc! is a rather value color name.
>
Indeed, a favorite color is "surprisepink!"
\definecolor [roscolux51] [h=aaacd5] % Touch of color when white light is not
desirable.
\definecolor [surprisepink!] [roscolux51]
The TiKz syntax "red!50!green" is short, sweet and rather strange. But the
question remains on how to support full TiKz use under ConTeXt.
In Metapost, we have 0.5[red,green] (does this work with colors?). Would
\definecolor[xxx][0.5[red,green]] be a better alternative? Is such a syntax
possible? Would this be readable?
The next step would be to allow \color[0.5[red,green]] (or
\color[0.5(red,green)]), i.e. such syntax wherever a color can be used.
Alan
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-12-02 4:02 ` Aditya Mahajan
@ 2010-12-02 8:01 ` Hans Hagen
2010-12-02 11:01 ` Aditya Mahajan
0 siblings, 1 reply; 15+ messages in thread
From: Hans Hagen @ 2010-12-02 8:01 UTC (permalink / raw)
To: mailing list for ConTeXt users
On 2-12-2010 5:02, Aditya Mahajan wrote:
> On Wed, Dec 1, 2010 at 7:58 AM, Hans Hagen<pragma@wxs.nl> wrote:
>> I could probably support
>>
>> \definecolor[xxx][0.5(red,green)]
>> \definecolor[xxx][0.5(red)]
>>
>> which looks better than this ! and is less likely to conflict with names as
>> abc! is a rather value color name.
>
> That will be a nice feature to have (especially, if it can also be
> used with \definedcolor)
You mean \colored[0.5(red)] ? That works ok.
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| www.pragma-pod.nl
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-12-02 8:01 ` Hans Hagen
@ 2010-12-02 11:01 ` Aditya Mahajan
2010-12-02 11:04 ` Hans Hagen
0 siblings, 1 reply; 15+ messages in thread
From: Aditya Mahajan @ 2010-12-02 11:01 UTC (permalink / raw)
To: mailing list for ConTeXt users
On Thu, 2 Dec 2010, Hans Hagen wrote:
> On 2-12-2010 5:02, Aditya Mahajan wrote:
>> On Wed, Dec 1, 2010 at 7:58 AM, Hans Hagen<pragma@wxs.nl> wrote:
>>> I could probably support
>>>
>>> \definecolor[xxx][0.5(red,green)]
>>> \definecolor[xxx][0.5(red)]
>>>
>>> which looks better than this ! and is less likely to conflict with names
>>> as
>>> abc! is a rather value color name.
>>
>> That will be a nice feature to have (especially, if it can also be
>> used with \definedcolor)
>
> You mean \colored[0.5(red)] ? That works ok.
Indeed. That is what I meant. I did not know that the metapost like syntax
worked for \colored.
Aditya
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-12-02 11:01 ` Aditya Mahajan
@ 2010-12-02 11:04 ` Hans Hagen
0 siblings, 0 replies; 15+ messages in thread
From: Hans Hagen @ 2010-12-02 11:04 UTC (permalink / raw)
To: mailing list for ConTeXt users
On 2-12-2010 12:01, Aditya Mahajan wrote:
> Indeed. That is what I meant. I did not know that the metapost like
> syntax worked for \colored.
\colored is just a shortcut to \definecolor
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| www.pragma-pod.nl
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* Re: bug: colors in TikZ/ConTeXt MKIV
2010-12-02 7:19 ` Alan BRASLAU
@ 2010-12-02 11:17 ` Hans Hagen
0 siblings, 0 replies; 15+ messages in thread
From: Hans Hagen @ 2010-12-02 11:17 UTC (permalink / raw)
To: mailing list for ConTeXt users
On 2-12-2010 8:19, Alan BRASLAU wrote:
> The next step would be to allow \color[0.5[red,green]] (or
> \color[0.5(red,green)]), i.e. such syntax wherever a color can be used.
You can use \definecolor[mycolor][.5(red,green)] in the current beta,
but I wonder if \color[0.5(red,green)] makes much sense as that would
complicate (and definitely slow down) color switching. But, as Aditya
pointer out you can use {\colored[0.5(green)]test} already. I don't want
to get away too much from the principle of defining colors using names.
Hans
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Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
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2010-11-26 22:24 bug: colors in TikZ/ConTeXt MKIV Mojca Miklavec
2010-11-27 11:04 ` Vedran Miletić
2010-11-27 12:29 ` Hans Hagen
2010-11-27 13:16 ` Mojca Miklavec
2010-11-27 13:25 ` Hans Hagen
2010-12-01 12:36 ` Michael Murphy
2010-12-01 12:58 ` Hans Hagen
2010-12-01 17:37 ` Michael Murphy
2010-12-01 17:42 ` Wolfgang Schuster
2010-12-02 4:02 ` Aditya Mahajan
2010-12-02 8:01 ` Hans Hagen
2010-12-02 11:01 ` Aditya Mahajan
2010-12-02 11:04 ` Hans Hagen
2010-12-02 7:19 ` Alan BRASLAU
2010-12-02 11:17 ` Hans Hagen
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