[Scilab-users] Bitmap export

[Stefan Du Rietz]

On 2014-01-20 19:19, Stefan Du Rietz wrote:
--------------------
> Hi Calixte,
> thank you very much for your comprehensive reply! Now I understand why
> I must either install the proprietary driver (beware!) or use the
> vectorial export. I will probably choose the latter when I want to
> export a figure to be able to use it at my web site.
>
I just want to correct my code lines below:
f = scf(1);
should NOT be there, before
driver('PNG');
because then it didn't work!

> Best regards
> Stefan
>
>
> On 2014-01-20 16:15, Calixte Denizet wrote:
> --------------------
>> Hi Stefan,
>>
>> Few comments:
>> i) driver(...);xinit(...);...xend(); implies a vectorial export: all
>> the scene is completly drawn vectorialy (so the graphic card driver is
>> not implied in the draw)
>> ii) xs2png(0,...): a memory dump is done and the bitmap is converted
>> into PNG. The GC driver is called to retrieve the data and it seems
>> that this kind of bug is typical to Ubuntu with free driver... the
>> only workaround I know (for the moment ;)) is to switch to the
>> proprietary driver.
>>
>> Calixte
>>
>> On 17/01/2014 00:42, Stefan Du Rietz wrote:
>>>>> Hi Antoine,
>>>>> are we supposed to reply above as earlier or not ;-(
>>>>>
>>>>> When I did as you proposed:
>>>>>
>>>>> x = [0:0.05*%pi:2*%pi]';
>>>>> f = scf(1);
>>>>> driver('PNG');
>>>>> xinit('gridtest.png');
>>>>> plot2d(x, sin(x))
>>>>> xgrid()
>>>>> xend();
>>>>> driver('X11');
>>>>>
>>>>> it was OK!
>>>>>
>>>>> Regards /Stefan
>>>>>
>>>> And, of course, thank you!
>>>>
>>>> Regards /Stefan
>>>>
>>> So, Calixte, it was not the graphics driver, was it? Shall I report
>>> a bug?
>>>
>>> Regards /Stefan
>>
>>
>
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