[Scilab-Dev] Documentation for Xcos
adhitya
adhitya07 at gmail.com
Thu Feb 25 10:27:56 CET 2016
Hi,
I'm doing this on Windows 10 with Java 7.
I followed the instructions over here,
https://wiki.scilab.org/ScilabWithinEclipse
I'm currently using the Remote debugging option, to go through the files.
Cheers,
Adhitya
On 25-Feb-2016 2:48 pm, "monika sharma" <monikaomsharma1993 at gmail.com>
wrote:
> Dear Adhitya,
> Can you provide us your system specification and the steps you are
> following for scilab compilation. I've provided a link
> here
> <https://wiki.scilab.org/Compiling%20Scilab%205.x%20under%20GNU-Linux%20Unix>.
> Please go through the documents and let us know if you are following
> anything apart from this.
>
> Regards,
> Monika
>
> On Wed, Feb 24, 2016 at 12:39 PM, Adhitya Kamakshidasan <
> adhitya07 at gmail.com> wrote:
>
>> Thanks for your reply,
>>
>> I used the function that you mentioned and created the following class.
>>
>> package org.scilab.modules.xcos;
>>
>> public class TestingXcos {
>> public static void main(String args[]){
>> Xcos.xcos(null, 0);
>> }
>> }
>>
>> However, I get a runtime exception, with the following message.
>>
>> Exception in thread "main" java.lang.ExceptionInInitializerError
>> at org.scilab.modules.core.Scilab.<clinit>(Scilab.java:65)
>> at org.scilab.modules.xcos.Xcos.<clinit>(Xcos.java:116)
>> at org.scilab.modules.xcos.TestingXcos.main(TestingXcos.java:5)
>> Caused by: java.lang.RuntimeException: XPathFactory#newInstance() failed
>> to create an XPathFactory for the default object model:
>> http://java.sun.com/jaxp/xpath/dom with the
>> XPathFactoryConfigurationException:
>> javax.xml.xpath.XPathFactoryConfigurationException:
>> java.util.ServiceConfigurationError: javax.xml.xpath.XPathFactory:
>> jar:file:/C:/Users/Adhitya/Documents/GitHub/scilab/Windows/thirdparty/saxon9he.jar!/META-INF/services/javax.xml.xpath.XPathFactory:2:
>> Illegal configuration-file syntax
>> at javax.xml.xpath.XPathFactory.newInstance(XPathFactory.java:102)
>> at
>> org.scilab.modules.commons.xml.ScilabXPathFactory.newInstance(ScilabXPathFactory.java:56)
>> at
>> org.scilab.modules.commons.xml.XConfiguration.<clinit>(XConfiguration.java:86)
>> ... 3 more
>>
>>
>> I've seen that there has been a similar issue in the past:
>> http://bugzilla.scilab.org/show_bug.cgi?id=13854
>>
>> I also saw this bug related to saxon9he.jar over here:
>> https://sourceforge.net/p/saxon/mailman/message/33221102/
>>
>> After that, I downgraded from Java 8 to Java 7 with the hopes of getting
>> it to work. Still I get the same message.
>>
>> Am I missing something? Could you please help me out?
>>
>> Thanks,
>>
>> Adhitya
>>
>>
>> On Fri, Feb 19, 2016 at 6:26 PM, Clément David-2 [via Scilab / Xcos -
>> Mailing Lists Archives] <ml-node+s994242n4033513h44 at n3.nabble.com> wrote:
>>
>>> Hi,
>>>
>>> > ---- 1 ----
>>> >
>>> > As a part of my reverse engineering process, I have started from the
>>> point where Xcos application
>>> > is invoked, when the button is pressed in the MenuBar.
>>> >
>>> > If possible, could you explain the StoreCommand() function? I see that
>>> all incoming commands are
>>> > en-queued in the commandQueue, to be processed one by one. But where
>>> in the code, is the command
>>> > getting de-queued for parsing?
>>>
>>> In fact, the commandQueue is the way to communicate to the Scilab
>>> interpreter engine. When you
>>> request an execution, the command is stored on the queue and latter the
>>> engine pick the command and
>>> execute it.
>>>
>>> When hitting the "Play" button on xcos, we push the diagram to the
>>> Scilab workspace and put an
>>> 'xcos_simulate' call to be executed.
>>>
>>>
>>> > ---- 2 ----
>>> >
>>> > The command that is given in /etc/main_menubar.xml for opening Xcos is
>>> >
>>> > if with_mode ('xcos') then xcos();
>>> > else disp(gettext('Please install xcos module'))
>>> >
>>> > Would it be possible for you to point where xcos() is invoked after
>>> interpretation and parsing?
>>> >
>>> > Hypothetically for instance, if I were to create a new method in Java,
>>> so that I can see the Block
>>> > Diagram Editor, like this -
>>> >
>>> > public static void main (String args[]){
>>> > Xcos xcos = new Xcos(); //Assuming I can write something like this
>>> > }
>>> >
>>> > If this is possible, I would like to know, which is that particular
>>> 'XCos' Class that can allow me
>>> > to do this?
>>>
>>> On the xcos module, there is an 'Xcos.java' file that contains some
>>> annotated methods exported to C.
>>> For instance you can take a look at the Xcos#xcos() method.
>>>
>>> --
>>> Clément
>>>
>>> > On Mon, Feb 1, 2016 at 1:02 PM, Clément David-2 [via Scilab / Xcos -
>>> Mailing Lists Archives]
>>> > <[hidden email]> wrote:
>>> > > Hi Adhitya,
>>> > >
>>> > > The code is *the* reference but for more internal views I suggest
>>> you to read these documents :
>>> > >
>>> > > * R. NIKOUKHAH AND S. STEER , Scicos a dynamic system builder and
>>> simulator, IEEE INTERNATIONAL
>>> > > CONFERENCE ON CACSD, DEARBORN , MICHIGAN , 1996.
>>> > > * S. STEER , R. NIKOUKHAH , Scicos: a hybrid system formalism,
>>> ESS’99, E RLANGEN , GERMANY ,
>>> > > 1999.
>>> > > * Masoud NAJAFI thesis , The Numerical Solver for the Simulation of
>>> the Hybrid Dynamical
>>> > > Systems
>>> > > , 2005 .
>>> > >
>>> > > And for understanding what's behind each block, take a look at the
>>> Scilab documentation, and
>>> > > ScilabTec presentations.
>>> > >
>>> > > Regards,
>>> > >
>>> > > --
>>> > > Clément
>>> > >
>>> > >
>>> > > Le vendredi 29 janvier 2016 à 23:31 -0700, adhitya a écrit :
>>> > >
>>> > > > Hi,
>>> > > >
>>> > > > My name is Adhitya Kamakshidasan and I'm an Intern at FOSSEE, IIT
>>> Bombay.
>>> > > >
>>> > > > We are trying to develop a standalone version of Xcos, that is
>>> completely
>>> > > > web-based.
>>> > > >
>>> > > > I would like to know if there is any documentation with respect to
>>> how Xcos
>>> > > > has been written - Flowcharts, Main methods, PDF's, etc.
>>> > > >
>>> > > > Currently, I'm trying to reverse-engineer the code, by slowly
>>> moving through
>>> > > > the code, and removing the parts that are not related to Xcos.
>>> However, this
>>> > > > is taking a lot of time.
>>> > > >
>>> > > > We would like your support in this regard.
>>> > > >
>>> > > > Thanks,
>>> > > >
>>> > > > Adhitya Kamakshidasan
>>> > > >
>>> > > >
>>> > > >
>>> > > > --
>>> > > > View this message in context:
>>> http://mailinglists.scilab.org/Documentation-for-Xcos-tp4033357.
>>> > > html
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>>> list archive at Nabble.com.
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>>
>
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