[tex4ht] Black stripe on formula rendering

[Giuseppe Pica]

Paul, you are right!
It works!
Great, thanks a lot!
Regards
-j

Il 10/02/2015 17:40, Thompson,Paul ha scritto:
> One thing I do is ensure that no hidden characters or spaces are affecting results:
>
> \documentclass{article}
> \begin{document}%
> \[%
> k_v=\min\begin{cases}%
> 1  \\%
> \frac{k_{n}(1+\frac{1,1i^{1,5}}%
> {\sqrt{h}})}{\sqrt{h}(\sqrt{\alpha(1-\alpha)}+%
> 0,8\frac{x}{h}\sqrt{\frac{1}{\alpha}-\alpha^{2}})}%
> \\%
> \end{cases}%
> \]%
> \end{document}
>
> -----Original Message-----
> From: tex4ht [mailto:tex4ht-bounces at tug.org] On Behalf Of Giuseppe Pica
> Sent: Tuesday, February 10, 2015 10:36 AM
> To: Michal Hoftich
> Cc: tex4ht at tug.org
> Subject: Re: [tex4ht] Black stripe on formula rendering
>
> Hi Michal,
> thanks for your fast reply.
> My project is very huge, because I'm using the same latex source for dynamic help (tex4ht) and printing (pdflatex).
> My latex preamble loads many many packages, but I have no problems except that in some formulas. It seems to happen in the formulas that make use of the cases environment.
> I also tried to use:      \left{   \begin{array} ... \end{array} \right.
> but the problem is the same.
> However, there are cases where the "cases" environment does not give me problems.
> Regards.
> -j
>
>
>
>
> Il 10/02/2015 16:21, Michal Hoftich ha scritto:
>> Hi Giuseppe,
>>
>> could you please post minimal working example which produces the
>> error? When I tried
>>
>> -----
>> \documentclass{article}
>> \begin{document}
>> \[
>> k_v=\min\begin{cases}
>>    1  \\
>> \frac{k_{n}(1+\frac{1,1i^{1,5}}{\sqrt{h}})}{\sqrt{h}(\sqrt{\alpha(1-\a
>> lpha)}+0,8\frac{x}{h}\sqrt{\frac{1}{\alpha}-\alpha^{2}})}
>> \\
>> \end{cases}
>> \]
>> \end{document}
>>
>> the output was correct. So maybe the problem is with some package you use.
>>
>> Regards,
>> Michal
>>
>> 2015-02-10 12:39 GMT+01:00 Giuseppe Pica <jospic at gmail.com>:
>>> Hi,
>>> the following latex code produces a black stripe as shown in figure.
>>>
>>> \[
>>> k_v=\min\begin{cases}
>>>    1  \\
>>> \frac{k_{n}(1+\frac{1,1i^{1,5}}{\sqrt{h}})}{\sqrt{h}(\sqrt{\alpha(1-\
>>> alpha)}+0,8\frac{x}{h}\sqrt{\frac{1}{\alpha}-\alpha^{2}})}
>>> \\
>>> \end{cases}
>>> \]
>>>
>>> http://www.iperspace.it/main121x.png
>>>
>>> How can I fix this?
>>> Thanks in advance.
>>> Regards
>>> -j
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