Re: [NTG-context] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread mf via ntg-context

Il 18/10/21 18:30, Hans Hagen via ntg-context ha scritto:

On 10/18/2021 6:06 PM, mf via ntg-context wrote:

Il 18/10/21 17:15, Jason Ross via ntg-context ha scritto:

The following MWE fails to render the text in the attached SVG properly:


\starttext
\externalfigure[test.svg][conversion=mp]
\stoptext


The axis labels, tick labels, and title are all incorrect. This file was
generated with Matplotlib.



If you open test.svg with Inkscape, ungroup and then save, you get a 
SVG that is typeset right with LMTX.


Looking at the differences between the two SVGs, I can see that 
Inkscape changes all the transform="translate(...)scale(...)" 
attributes into transform="matrix(...)".


Now focus on the "y = sin(x)" text.
In the attachment I modified the transform attributes of that text, 
from "translate(...)scale(...)" to "matrix(...)", taking the values 
from the version obtained from Inkscape.


Use that SVG with your MWE and you'll see "y = sin(x)" appearing in 
the right place in the PDF.


I would say the "translate(...)scale(...)" specification is not 
supported in LMTX (yet).
it is supported; i'll send you a snippet to test (as it was not really a 
minimal example)




Coming soon... (see attachment)

The problem was the order in which transformations are applied when 
multiple transformations are specified in the transform attribute, like 
in "translate(...)scale(...)...".


testsvg.tex and test.svg are the MWE and the SVG file provided by Jason 
Ross in the first post of this thread.


Massi


testsvg.pdf
Description: Adobe PDF document
\starttext
\externalfigure[test.svg][conversion=mp]
\stoptext 
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Re: [NTG-context] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread Luis Montgomery via ntg-context
Fixing your svg. View attachments.


El lun, 18 oct 2021 a las 10:15, Jason Ross via ntg-context (<
ntg-context@ntg.nl>) escribió:

> The following MWE fails to render the text in the attached SVG properly:
>
>
> \starttext
> \externalfigure[test.svg][conversion=mp]
> \stoptext
>
>
> The axis labels, tick labels, and title are all incorrect. This file was
> generated with Matplotlib.
>
> ___
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
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> wiki : http://contextgarden.net
>
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>


svg10.pdf
Description: Adobe PDF document
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Re: [NTG-context] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread Hans Hagen via ntg-context

On 10/18/2021 5:15 PM, Jason Ross via ntg-context wrote:

The following MWE fails to render the text in the attached SVG properly:


\starttext
\externalfigure[test.svg][conversion=mp]
\stoptext


The axis labels, tick labels, and title are all incorrect. This file was
generated with Matplotlib.
we actually can avoid that by using label remapping (i fixed a scanning 
buglet in the first example:)


\startTEXpage
\startMPcode
lmt_remaptext [ label = "here 1", where = "l", text = "\bfa 
let's try this one out" ] ;
lmt_remaptext [ label = "here 2", where = "r", text = 
"let's try this one out too" ] ;
lmt_remaptext [ label = "here 3", where = "l", text = "$e = 
mc^2$" ] ;
lmt_remaptext [ label = "here 5", where = "m", text = "this 
a bit longer label" ] ;
lmt_remaptext [ label = "here 4", where = "m", text = "!", 
dx = -1pt, dy = -30pt ] ;

draw lmt_svg [
filename  = "labels-003.svg",
] ;
\stopMPcode
\stopTEXpage

one can also have the labels externally

\startluacode
table.save ( "labels-001.lua", {
{ label = "here 1", where = "l", text = "let's try this one out" },
{ label = "here 2", where = "r", text = "let's try this one out 
too" },

{ label = "here 3", where = "l", text = "$e = mc^2$" },
{ label = "here 5", where = "m", text = "this a bit longer 
label" },

{ label = "here 4", where = "m", text = "!" },
} )
\stopluacode

\startMPpage
draw lmt_svg [
filename  = "labels-003.svg",
labelfile = "labels-001.lua",
] ;
\stopMPpage

the idea is then that in an svg editor one uses symbolic names and when 
including those get property typeset


(should work in in next upload; is independent of reported issue)

Hans

-
  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] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread Hans Hagen via ntg-context

On 10/18/2021 6:06 PM, mf via ntg-context wrote:

Il 18/10/21 17:15, Jason Ross via ntg-context ha scritto:

The following MWE fails to render the text in the attached SVG properly:


\starttext
\externalfigure[test.svg][conversion=mp]
\stoptext


The axis labels, tick labels, and title are all incorrect. This file was
generated with Matplotlib.



If you open test.svg with Inkscape, ungroup and then save, you get a SVG 
that is typeset right with LMTX.


Looking at the differences between the two SVGs, I can see that Inkscape 
changes all the transform="translate(...)scale(...)" attributes into 
transform="matrix(...)".


Now focus on the "y = sin(x)" text.
In the attachment I modified the transform attributes of that text, from 
"translate(...)scale(...)" to "matrix(...)", taking the values from the 
version obtained from Inkscape.


Use that SVG with your MWE and you'll see "y = sin(x)" appearing in the 
right place in the PDF.


I would say the "translate(...)scale(...)" specification is not 
supported in LMTX (yet).

does the spec say anywhere what teh order is?




this looks better but




how about 10 scales and 15 rotations and 3 transforms in any order?

Hans

-
  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] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread mf via ntg-context

Here it's wrong. See attachment.

Massimiliano

Il 18/10/21 18:30, Hans Hagen via ntg-context ha scritto:

On 10/18/2021 6:06 PM, mf via ntg-context wrote:

Il 18/10/21 17:15, Jason Ross via ntg-context ha scritto:

The following MWE fails to render the text in the attached SVG properly:


\starttext
\externalfigure[test.svg][conversion=mp]
\stoptext


The axis labels, tick labels, and title are all incorrect. This file was
generated with Matplotlib.



If you open test.svg with Inkscape, ungroup and then save, you get a 
SVG that is typeset right with LMTX.


Looking at the differences between the two SVGs, I can see that 
Inkscape changes all the transform="translate(...)scale(...)" 
attributes into transform="matrix(...)".


Now focus on the "y = sin(x)" text.
In the attachment I modified the transform attributes of that text, 
from "translate(...)scale(...)" to "matrix(...)", taking the values 
from the version obtained from Inkscape.


Use that SVG with your MWE and you'll see "y = sin(x)" appearing in 
the right place in the PDF.


I would say the "translate(...)scale(...)" specification is not 
supported in LMTX (yet).
it is supported; i'll send you a snippet to test (as it was not really a 
minimal example)


Hans

-
   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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ytest.pdf
Description: Adobe PDF document
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Re: [NTG-context] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread Hans Hagen via ntg-context

On 10/18/2021 6:06 PM, mf via ntg-context wrote:

Il 18/10/21 17:15, Jason Ross via ntg-context ha scritto:

The following MWE fails to render the text in the attached SVG properly:


\starttext
\externalfigure[test.svg][conversion=mp]
\stoptext


The axis labels, tick labels, and title are all incorrect. This file was
generated with Matplotlib.



If you open test.svg with Inkscape, ungroup and then save, you get a SVG 
that is typeset right with LMTX.


Looking at the differences between the two SVGs, I can see that Inkscape 
changes all the transform="translate(...)scale(...)" attributes into 
transform="matrix(...)".


Now focus on the "y = sin(x)" text.
In the attachment I modified the transform attributes of that text, from 
"translate(...)scale(...)" to "matrix(...)", taking the values from the 
version obtained from Inkscape.


Use that SVG with your MWE and you'll see "y = sin(x)" appearing in the 
right place in the PDF.


I would say the "translate(...)scale(...)" specification is not 
supported in LMTX (yet).
it is supported; i'll send you a snippet to test (as it was not really a 
minimal example)


Hans

-
  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] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread Luis Montgomery via ntg-context
In my tests, this conversion works internally with linux.

On windows it fails and stops at

l.63 \ registerctxluafile {data-bin} {}
  % before data-tex
?


El lun, 18 oct 2021 a las 10:49, Jason Ross ()
escribió:

>
>
> On 10/18/21 8:38 AM, Luis Montgomery wrote:
>  > Check that your Inkscape is working properly.
>  >
>  > That proble NOT appear  on my machine...
>  >
>  > Best,
>  >
>  > L. Montgomery
>
> (Sorry Luis, I forgot to cc mailing list)
> Per https://wiki.contextgarden.net/Command/externalfigure,
> in LMTX the conversion is done natively when "conversion=mp" is set.
> Inkscape is not used for the conversion.
>
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Re: [NTG-context] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread mf via ntg-context

Il 18/10/21 17:15, Jason Ross via ntg-context ha scritto:

The following MWE fails to render the text in the attached SVG properly:


\starttext
\externalfigure[test.svg][conversion=mp]
\stoptext


The axis labels, tick labels, and title are all incorrect. This file was
generated with Matplotlib.



If you open test.svg with Inkscape, ungroup and then save, you get a SVG 
that is typeset right with LMTX.


Looking at the differences between the two SVGs, I can see that Inkscape 
changes all the transform="translate(...)scale(...)" attributes into 
transform="matrix(...)".


Now focus on the "y = sin(x)" text.
In the attachment I modified the transform attributes of that text, from 
"translate(...)scale(...)" to "matrix(...)", taking the values from the 
version obtained from Inkscape.


Use that SVG with your MWE and you'll see "y = sin(x)" appearing in the 
right place in the PDF.


I would say the "translate(...)scale(...)" specification is not 
supported in LMTX (yet).


Massi
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Re: [NTG-context] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread Jason Ross via ntg-context



On 10/18/21 8:38 AM, Luis Montgomery wrote:
> Check that your Inkscape is working properly.
>
> That proble NOT appear  on my machine...
>
> Best,
>
> L. Montgomery

(Sorry Luis, I forgot to cc mailing list)
Per https://wiki.contextgarden.net/Command/externalfigure,
in LMTX the conversion is done natively when "conversion=mp" is set.
Inkscape is not used for the conversion.
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Re: [NTG-context] SVG not rendering correctly with LMTX and conversion=mp

2021-10-18 Thread Luis Montgomery via ntg-context
Check that your Inkscape is working properly.

That proble NOT appear  on my machine...

Best,

L. Montgomery

El lun., 18 de octubre de 2021 10:15, Jason Ross via ntg-context <
ntg-context@ntg.nl> escribió:

> The following MWE fails to render the text in the attached SVG properly:
>
>
> \starttext
> \externalfigure[test.svg][conversion=mp]
> \stoptext
>
>
> The axis labels, tick labels, and title are all incorrect. This file was
> generated with Matplotlib.
>
> ___
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki : http://contextgarden.net
>
> ___
>
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