[scilab-Users] 3D display view: Spherical coordinates [alpha,theta] + lighting

[Antoine Monmayrant]

Le 26/11/2010 14:10, Stéphane Mottelet a écrit :
>  Le 26/11/10 13:49, Antoine Monmayrant a écrit :
>> Le 26/11/2010 13:35, Stephane Mottelet a écrit :
>>> Sam Mathew <sam at cctech.co.in> a écrit :
>>>
>>>> Thanks Stéphane,
>>>>
>>>> I tried to install the library online on 5.3 beta 4,
>>>> but it doesn't work.
>>>
>>> the installation process or the plotlib itself ? Be sure to install 
>>> the lastest version (0.42).
>>>
>>>> But on the 5.2.2 version it did work. Is there any problem with 5.3 
>>>> beta 4
>>>> for installing atoms modules?
>>>>
>>>> Besides, as I am not yet very conversant with SCILAB, I don't know 
>>>> how to
>>>> access help for the new toolboxes after installation!
>>>>
>>>> I would like to colour my surfaces with variable colours depending 
>>>> on the
>>>> value they represent.
>> Last time I tried plotlib, I didn't success in getting both color as 
>> a function of data and shadow/lighting.
> Not my fault : ask the Scilab team to implement a TrueColor visual !
>
> S.
>
No intention to offence you.
Your module is nice, it was just a remark...

>
>>>> I guess the help/demo/examples for plotlib would help
>>>> much. How can one access it?
>>>
>>> in the demo menu. If you want to copy/paste demos code, type (once 
>>> for all
>>> at the beginning of scilab session)
>>>
>>> --> plotlibmode
>>>
>>> or put it in your .scilab
>>>
>>> S.
>>>
>>>>
>>>> Regards,
>>>>
>>>> Sam
>>>>
>>>>
>>>> 2010/11/26 Stéphane Mottelet <stephane.mottelet at utc.fr>
>>>>
>>>>>  Hi,
>>>>>
>>>>> the plotlib module (available thru the Atoms module manager) allows
>>>>> to plot a surface with lighting (surfl and trisurfl functions). 
>>>>> You can
>>>>> choose
>>>>> the direction of the light source, so this should solve your problem.
>>>>>
>>>>> Concerning your problem with view angles, the problem is that even 
>>>>> if you
>>>>> force the view angles to be the same, you should also force the 
>>>>> axis limits
>>>>> to have an equivalent view.
>>>>>
>>>>>
>>>>> S.
>>>>>
>>>>
>>>>
>>>>
>>>> -- 
>>>>
>>>> Asst. Manager, CFD
>>>> Centre for Computational Technologies
>>>> www.cctech.co.in
>>>> Phone: +91 20 2552 1873
>>>>
>>>
>>>
>>>
>>
>>
>


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