Re: [NTG-context] Layers: corner, location
Hello,
thanks Peter for the explanation.
On Fri, 07 Jun 2013 14:41:45 +0200, Peter Rolf wrote:
The layer is divided into a 2x2 matrix of squares, where 'x' is the
center. This gets you a total of 3x3=9 different corners.
o---o---o
| | |
o---x---o
| | |
o---o---o
Now you choose one 'corner' (the reference point) for the placement. The
placement is done in relation to this point. The chosen 'corner' c is
our new 'center point' (only for placement) now.
With 'location' you define, where (in relation to 'corner') the content
is placed. Again you have nine different corners to choose from.
An example to make this clear.
'corner={top,right}, location={bottom,right}' will place content in the
area L (outside the original layer). Think about the 'corner' c as a
magnetic grid point, where the content snaps to. The 'location' l
defines, from which direction we approach the point c.
x = layer center point
c = corner 'top,right', d = location 'bottom right', L = location (area)
o---o---o
| | |
o---c---o
| | | L |
x---o---d
| | |
-
I hope I haven't mixed things up. Feel free to correct this and to
wikify the final version.
I added some info to wiki:
http://wiki.contextgarden.net/Layers#Understanding_.22location.22_and_.22corner.22
Best regards,
Lukas
Peter
--
Ing. Lukáš Procházka [mailto:l...@pontex.cz]
Pontex s. r. o. [mailto:pon...@pontex.cz] [http://www.pontex.cz]
Bezová 1658
147 14 Praha 4
Tel: +420 244 062 238
Fax: +420 244 461 038
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Re: [NTG-context] Layers: corner, location
Am 07.06.2013 10:06, schrieb Procházka Lukáš Ing. - Pontex s. r. o.:
> Hello,
>
> On Fri, 07 Jun 2013 09:27:14 +0200, Hans Hagen wrote:
>
>> On 6/7/2013 9:07 AM, Procházka Lukáš Ing. - Pontex s. r. o. wrote:
>>> The working code is:
>>>
>>>
>>> \definelayer
>>>[Logo]
>>>[location={left,bottom},
>>> x=\paperwidth,
>>> y=0mm,
>>> hoffset=-5mm,
>>> voffset=5mm,
>>>]
>>>
>>> \setlayer
>>>[Logo]
>>>{\framed[width=4cm,height=1cm]{LOGO}}
>>>
>>> \setupbackgrounds[page][background=Logo]
>>>
>>> \starttext
>>>\input knuth
>>> \stoptext
>>>
>>
>> see end of pack-box.mkiv for relationship between corner and location;
>> it has to do with matching reference points of content and position on
>> layer
>
> Thanks for the trial to hint me - I'm no smarter from that .mkiv source.
>
The layer is divided into a 2x2 matrix of squares, where 'x' is the
center. This gets you a total of 3x3=9 different corners.
o---o---o
| | |
o---x---o
| | |
o---o---o
Now you choose one 'corner' (the reference point) for the placement. The
placement is done in relation to this point. The chosen 'corner' c is
our new 'center point' (only for placement) now.
With 'location' you define, where (in relation to 'corner') the content
is placed. Again you have nine different corners to choose from.
An example to make this clear.
'corner={top,right}, location={bottom,right}' will place content in the
area L (outside the original layer). Think about the 'corner' c as a
magnetic grid point, where the content snaps to. The 'location' l
defines, from which direction we approach the point c.
x = layer center point
c = corner 'top,right', d = location 'bottom right', L = location (area)
o---o---o
| | |
o---c---o
| | | L |
x---o---d
| | |
-
I hope I haven't mixed things up. Feel free to correct this and to
wikify the final version.
Peter
> You just inspired me so the code bellow works, too, and "corner=" and
> "location=" are more meaningful in this version:
>
>
> \definelayer
> [Logo]
> [width=\paperwidth,
>corner={right,top},
>location={left,bottom},
>hoffset=5mm,
>voffset=5mm,
>state=repeat,
> ]
>
>
> Best regards,
>
> Lukas
>
>
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Re: [NTG-context] Layers: corner, location
Hello,
On Fri, 07 Jun 2013 09:27:14 +0200, Hans Hagen wrote:
On 6/7/2013 9:07 AM, Procházka Lukáš Ing. - Pontex s. r. o. wrote:
The working code is:
\definelayer
[Logo]
[location={left,bottom},
x=\paperwidth,
y=0mm,
hoffset=-5mm,
voffset=5mm,
]
\setlayer
[Logo]
{\framed[width=4cm,height=1cm]{LOGO}}
\setupbackgrounds[page][background=Logo]
\starttext
\input knuth
\stoptext
see end of pack-box.mkiv for relationship between corner and location;
it has to do with matching reference points of content and position on
layer
Thanks for the trial to hint me - I'm no smarter from that .mkiv source.
You just inspired me so the code bellow works, too, and "corner=" and
"location=" are more meaningful in this version:
\definelayer
[Logo]
[width=\paperwidth,
corner={right,top},
location={left,bottom},
hoffset=5mm,
voffset=5mm,
state=repeat,
]
Best regards,
Lukas
--
Ing. Lukáš Procházka [mailto:l...@pontex.cz]
Pontex s. r. o. [mailto:pon...@pontex.cz] [http://www.pontex.cz]
Bezová 1658
147 14 Praha 4
Tel: +420 244 062 238
Fax: +420 244 461 038
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Re: [NTG-context] Layers: corner, location
On 6/7/2013 9:07 AM, Procházka Lukáš Ing. - Pontex s. r. o. wrote:
Hello,
I'm trying to understand meaning of "location" and "corner" keywords of
layer definition (http://wiki.contextgarden.net/Layers#My_first_Layer).
The goal is to place a logo (here: a \framed) to the top right corner of
the page, with vertical and horizontal shift 5 mm into the centre of the
page.
The working code is:
\definelayer
[Logo]
[location={left,bottom},
x=\paperwidth,
y=0mm,
hoffset=-5mm,
voffset=5mm,
]
\setlayer
[Logo]
{\framed[width=4cm,height=1cm]{LOGO}}
\setupbackgrounds[page][background=Logo]
\starttext
\input knuth
\stoptext
Although it works, it's a result of many attempts.
I don't understand why "location={left,bottom}" is the correct choice
although the referential point of the logo is *right-top* corner and I'm
placing the logo into the *right-top* corner of the layer (page).
I played with "corner=" and "location=" combinations but - it seems the
only one which gives the good result is the one above.
Could anyone explain this?
see end of pack-box.mkiv for relationship between corner and location;
it has to do with matching reference points of content and position on
layer
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-
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[NTG-context] Layers: corner, location
Hello,
I'm trying to understand meaning of "location" and "corner" keywords of layer
definition (http://wiki.contextgarden.net/Layers#My_first_Layer).
The goal is to place a logo (here: a \framed) to the top right corner of the
page, with vertical and horizontal shift 5 mm into the centre of the page.
The working code is:
\definelayer
[Logo]
[location={left,bottom},
x=\paperwidth,
y=0mm,
hoffset=-5mm,
voffset=5mm,
]
\setlayer
[Logo]
{\framed[width=4cm,height=1cm]{LOGO}}
\setupbackgrounds[page][background=Logo]
\starttext
\input knuth
\stoptext
Although it works, it's a result of many attempts.
I don't understand why "location={left,bottom}" is the correct choice although
the referential point of the logo is *right-top* corner and I'm placing the logo into the
*right-top* corner of the layer (page).
I played with "corner=" and "location=" combinations but - it seems the only
one which gives the good result is the one above.
Could anyone explain this?
Thanks in advance.
Best regards,
Lukas
--
Ing. Lukáš Procházka [mailto:l...@pontex.cz]
Pontex s. r. o. [mailto:pon...@pontex.cz] [http://www.pontex.cz]
Bezová 1658
147 14 Praha 4
Tel: +420 244 062 238
Fax: +420 244 461 038
t.mkiv
Description: Binary data
t.pdf
Description: Adobe PDF document
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