Disappearing figures

Disappearing figures

[Giuseppe Bilotta]

Hello people,

I think I spotted a bug either in ConTeXt or in my
capability comprehension.

Take the following simple code:

\placefigure[here][testfigs]{Test cases}{
\startcombination[3*3]
{\externalfigure[tests/curves.1]}{Testcase~1}
{\externalfigure[tests/curves.2]}{Testcase~2}
{\externalfigure[tests/curves.3]}{Testcase~3}
{\externalfigure[tests/curves.4]}{Testcase~4}
{\externalfigure[tests/curves.5]}{Testcase~5}
{\externalfigure[tests/curves.6]}{Testcase~6}
{\externalfigure[tests/curves.7]}{Testcase~7}
{}{}
{\externalfigure[tests/curves.8]}{Testcase~8}
\stopcombination
}

It works --- on the first texexec run. On subsequent runs,
ConTeXt complains that

figure tests/curves can not be found

The problem is that I have a file curves (no extension in
tests/ ... but why is ConTeXt looking for it, if I *did*
specify an extension?

-- 
Giuseppe "Oblomov" Bilotta

Re: Disappearing figures

[Taco Hoekwater]

Giuseppe Bilotta wrote:
> Hello people,
> 
> I think I spotted a bug either in ConTeXt or in my
> capability comprehension.
> 
> Take the following simple code:
> 
> \placefigure[here][testfigs]{Test cases}{
> \startcombination[3*3]

...

> 
> It works --- on the first texexec run. On subsequent runs,
> ConTeXt complains that
> 
> figure tests/curves can not be found

Same problem here, even with only this:

   \starttext
   \externalfigure[curves.1]
   \stoptext

I've copied curves.1 from the "tests" dir to its parent,
and I still get a 'not found' on the second run. Makes no
sense.

Taco

Re[2]: Disappearing figures

[Giuseppe Bilotta]

Monday, September 12, 2005 Taco Hoekwater wrote:

> Same problem here, even with only this:

>    \starttext
>    \externalfigure[curves.1]
>    \stoptext

> I've copied curves.1 from the "tests" dir to its parent,
> and I still get a 'not found' on the second run. Makes no
> sense.


Interestingly, it's even *much* slower (probably because it
goes looking for files trying every possible extension)

-- 
Giuseppe "Oblomov" Bilotta

Matrices LaTeX -> ContTeXt

[Jilani Khaldi]

Hi All,
how tow write these matrices in Context?

% []
\begin{bmatrix}
1&2\\
3&4
\end{bmatrix}

% {}
\begin{Bmatrix}
1&2\\
3&4
\end{Bmatrix}

Thanks!

jk

Re: Disappearing figures

[Hans Hagen]

Taco Hoekwater wrote:

> Giuseppe Bilotta wrote:
>
>> Hello people,
>>
>> I think I spotted a bug either in ConTeXt or in my
>> capability comprehension.
>>
>> Take the following simple code:
>>
>> \placefigure[here][testfigs]{Test cases}{
>> \startcombination[3*3]
>
>
> ...
>
>>
>> It works --- on the first texexec run. On subsequent runs,
>> ConTeXt complains that
>>
>> figure tests/curves can not be found
>
>
> Same problem here, even with only this:
>
>   \starttext
>   \externalfigure[curves.1]
>   \stoptext
>
> I've copied curves.1 from the "tests" dir to its parent,
> and I still get a 'not found' on the second run. Makes no
> sense.

 in core-fig.tex, locate:

   #1[#4][#5][#6]%
   % prefix in runs > 1

and add the conversion test: 

   \doifsomething\@@efconversion % add test 
     {\doifnotmode{\systemmodeprefix\v!first}
        {\doifsomething\@@efprefix
           {\edef\@@effilename{\@@efprefix\@@effilename}}%
            \let\@@effiletype\empty}}% add } 

what you run into is a side effect of new code (runtime conversion based on resource loggiles) 

some day i need to rewrite the figure code (the oldest part of context; but i will do that when i replace texutil.tuf support by the more generic resourse handling)

Hans 
 
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Re: Disappearing figures

[Taco Hoekwater]

[-- Attachment #1: Type: text/plain, Size: 327 bytes --]


Hi there,

Hans Hagen wrote:
> Taco Hoekwater wrote:
> 
>> Giuseppe Bilotta wrote:
> 
> in core-fig.tex, locate:
> 
>   #1[#4][#5][#6]%
>   % prefix in runs > 1
> 
> and add the conversion test:

Yup, this works! I attach patch file, I had some problem getting
the line breaks right, so this may be easier for Giuseppe.

Taco

[-- Attachment #2: core-fig.patch --]
[-- Type: text/x-patch, Size: 887 bytes --]

--- /home/taco/context/20050831/tex/context/base/core-fig.tex	2005-08-01 16:26:18.000000000 +0200
+++ /home/taco/texmf/tex/context/base/core-fig.tex	2005-09-12 13:43:51.718018034 +0200
@@ -1053,9 +1053,11 @@
    #1[#4][#5][#6]%
    % prefix in runs > 1
    % prefix in runs > 1
-   \doifnotmode{\systemmodeprefix\v!first}
-     {\doifsomething\@@efprefix{\edef\@@effilename{\@@efprefix\@@effilename}}%
-      \let\@@effiletype\empty}% beware, walks over the whole suffixlist
+   \doifsomething\@@efconversion % add test 
+     {\doifnotmode{\systemmodeprefix\v!first}
+        {\doifsomething\@@efprefix
+           {\edef\@@effilename{\@@efprefix\@@effilename}}%
+         \let\@@effiletype\empty}}% 
    % new, somehow needed when \textwidth is used:
    \doifsomething\@@efmaxwidth {\freezedimenmacro\@@efmaxwidth }%
    \doifsomething\@@efmaxheight{\freezedimenmacro\@@efmaxheight}%

[-- Attachment #3: Type: text/plain, Size: 139 bytes --]

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Re: Matrices LaTeX -> ContTeXt

[Brooks Moses]

At 01:40 AM 9/12/2005, Jilani Khaldi wrote:
>Hi All,
>how tow write these matrices in Context?
>
>% []
>\begin{bmatrix}
>1&2\\
>3&4
>\end{bmatrix}

ConTeXt uses Plain TeX syntax for math, mostly.  Thus, you use Plain TeX's 
\matrix command to create the matrices:

\left[\matrix{
   1&2 \cr
   2&4 \cr
}\right]

>% {}
>\begin{Bmatrix}
>1&2\\
>3&4
>\end{Bmatrix}

\left\lbrace\matrix{
   1&2 \cr
   3&4 \cr
}\right\rbrace

Hope that helps,
- Brooks