Re: [NTG-context] Radius attribute and scaling in lmt_shade[ ]
Thanks Hans. Something else I've learned.
Best Wishes
Keith
On Sun, 9 Jan 2022, 22:26 Hans Hagen, wrote:
> On 1/9/2022 4:53 PM, Keith McKay via ntg-context wrote:
> > Since "a picture paints a thousand words", I attach a pdf showing the
> > results of the execution of the code.
> >
> > Are these bugs or... ?
> more interplay between parameters ...
>
> draw lmt_shade [
> trace = true,
> path= r shifted - center r,
> direction = "up",
> alternative = "circular",
> radius = k*cm,
> colors = { "MyColor1", "MyColor2" },
> ] scaled 4 shifted((k *12)*cm,12*cm);
>
>
>
> -
>Hans Hagen | PRAGMA ADE
>Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -
>
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Re: [NTG-context] Radius attribute and scaling in lmt_shade[ ]
On 1/9/2022 4:53 PM, Keith McKay via ntg-context wrote:
Since "a picture paints a thousand words", I attach a pdf showing the
results of the execution of the code.
Are these bugs or... ?
more interplay between parameters ...
draw lmt_shade [
trace = true,
path= r shifted - center r,
direction = "up",
alternative = "circular",
radius = k*cm,
colors = { "MyColor1", "MyColor2" },
] scaled 4 shifted((k *12)*cm,12*cm);
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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Re: [NTG-context] Radius attribute and scaling in lmt_shade[ ]
Since "a picture paints a thousand words", I attach a pdf showing the
results of the execution of the code.
Are these bugs or... ?
Best Wishes
Keith
On 06/01/2022 15:57, Keith McKay wrote:
Hi
In the code below you will see that I have created a closed path and
performed scaling, and shading on the path with lmt_shade [ ]. I have
noticed a few features which may or may not be bugs depending on
whether scaled is applied to the path within the square brackets or
outside.
1) Applying scaled to the path within the square brackets and
incrementing the radius key I can see the shaded areas changing,
however the first two shapes show incorrect scaling and have ragged edges.
2) When scaled is applied outside the square brackets all shapes are
the same size and no ragged edges, however the shading is not showing
correctly with increasing radius.
Am I missing something?
Best Wishes
Keith McKay
***MWE*
\setuppapersize[A4, landscape]
\starttext
\dorecurse{10}{
\startMPpage
StartPage;
width := 27; height := 18;
path r;
r := (0.25cm,0cm)--(0cm,1.5cm)..(0.25cm,1.75cm)..(0.5cm,1.5cm) -- cycle;
definecolor [ name = "MyColor1", r = uniformdeviate(1), g =
uniformdeviate(1), b = uniformdeviate(1) ] ;
definecolor [ name = "MyColor2", r = uniformdeviate(1), g =
uniformdeviate(1), b = uniformdeviate(1) ] ;
for k = 0.5 step 0.25 until 2:
draw lmt_shade [
path = r ,
direction = "up",
alternative = "circular",
radius = k*cm,
colors = { "MyColor1", "MyColor2" },
] scaled 4.5 shifted((k *12)*cm,12*cm);
draw lmt_shade [
path = r scaled 4.5,
direction = "up",
alternative = "circular",
radius = k*cm,
colors = { "MyColor1", "MyColor2" },
] shifted((k *12)*cm,1cm);
endfor;
StopPage;
\stopMPpage
}
\stoptext
RS4 copy.pdf
Description: Adobe PDF document
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[NTG-context] Radius attribute and scaling in lmt_shade[ ]
Hi
In the code below you will see that I have created a closed path and
performed scaling, and shading on the path with lmt_shade [ ]. I have
noticed a few features which may or may not be bugs depending on whether
scaled is applied to the path within the square brackets or outside.
1) Applying scaled to the path within the square brackets and
incrementing the radius key I can see the shaded areas changing, however
the first two shapes show incorrect scaling and have ragged edges.
2) When scaled is applied outside the square brackets all shapes are the
same size and no ragged edges, however the shading is not showing
correctly with increasing radius.
Am I missing something?
Best Wishes
Keith McKay
***MWE*
\setuppapersize[A4, landscape]
\starttext
\dorecurse{10}{
\startMPpage
StartPage;
width := 27; height := 18;
path r;
r := (0.25cm,0cm)--(0cm,1.5cm)..(0.25cm,1.75cm)..(0.5cm,1.5cm) -- cycle;
definecolor [ name = "MyColor1", r = uniformdeviate(1), g =
uniformdeviate(1), b = uniformdeviate(1) ] ;
definecolor [ name = "MyColor2", r = uniformdeviate(1), g =
uniformdeviate(1), b = uniformdeviate(1) ] ;
for k = 0.5 step 0.25 until 2:
draw lmt_shade [
path = r ,
direction = "up",
alternative = "circular",
radius = k*cm,
colors = { "MyColor1", "MyColor2" },
] scaled 4.5 shifted((k *12)*cm,12*cm);
draw lmt_shade [
path = r scaled 4.5,
direction = "up",
alternative = "circular",
radius = k*cm,
colors = { "MyColor1", "MyColor2" },
] shifted((k *12)*cm,1cm);
endfor;
StopPage;
\stopMPpage
}
\stoptext
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