yade-users team mailing list archive

[Benjamin Fragneaud <bf2204@xxxxxxxxxxxx>]

Hi,
thank you for your advises. It seems to be working. I just forgot to 
declare it in the library dependency within the sconscript file 
corrresponding to my newpreprocessor file. I'll have a look at the new 
topic right now.
Thanks again,
Ben

Bruno Chareyre wrote:
> Agreed. First, check that your files are really compiled (you should see 
> a newEngine.so in install dirs). If they are not, it is probably due to 
> a missing declaration in SConscript files (those files define what needs 
> to be compiled and the dependencies between classes).
> Just copy/paste/rename the GravityEngine section in dem/Sconscript (or 
> common/SConscript, not sure).
>
> IIRC, the preprocessor will not appear in the interface if one of the 
> plugin (the library corresponding to your new class) is not found. I 
> think this will happen as soon as you declare the missing class in your 
> code, it doesn't matter if you use it or not.
> Don't you get any compilation errors? warnings when you start Yade?
>
> If I understand correctly, you will need to play with distant 
> interactions (without contact), which means you could be interested by 
> the current discussion on this topic here : 
> http://yade.wikia.com/wiki/Sanitizing_Contact_Logic.
>
> Bruno
>
>
>
> Jerome Duriez a écrit :
>   
>> I think that's typically because you didn't modify the § concerning the 
>> preprocessor file in the "Sconscript". You have also to modify it by 
>> adding a line with the name of your new engine.
>>
>> Jerome
>>
>> Benjamin Fragneaud a écrit :
>>   
>>     
>>> Hi everybody,
>>> I'm trying to create an Engine that aplly Electrostatic force to a sphere.
>>> I´d like to allow displacement of bodies depending on the charge and  
>>> the electrical potential.
>>> Perhaps I should precise that I´m quiet new to Yade and C++ programmation.
>>>
>>> To do so, I decided to inspire myself with an already written  
>>> preprocesor: "funnel", which has been modified in order to generate a  
>>> random cloud of spheres in a closed box.
>>> At this step every thing is working as I want to.
>>>
>>> * Creation of a new stand alone Engine:
>>> As well as I did before, I used an already written engine and modified  
>>> it. But here is the problem.
>>> - I copy paste the GravityEngine.
>>> - rename it, rename the functions within and shrd_ptr,
>>> - I also rename the .hpp file
>>> - add it in the corresponding scons file
>>> It compiled well (no error) and was added to the libnewengine.so.
>>>
>>> In esance it should do exactly the same thing than the GravityEngine  
>>> but with a different name.
>>>
>>> Nevertheless, when I try to use it within my new preprocessor, it  
>>> doesn´t appear anymore in the preprocessor generator list (yade  
>>> graphique interface).
>>>
>>> Moreover, If I just declare it in the list of classes used withtout  
>>> using it (like declaring something that you don´t use), the  
>>> preprocessor also don´t appear in the preprocessor list...
>>> Is anybody has any idea about what is wrong.
>>> Thanks for your help,
>>> Best,
>>> Ben
>>>
>>>
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>>> Yade-users@xxxxxxxxxxxxxxxx
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>>>
>>>   
>>>     
>>>       
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>>   
>>     
>
>
>   

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