= Technical FAQ =

== Software requirements ==
To obtain the source code of EwE 5 and 6, you will need the following:
 * A Subversion client such as [http://tortoisesvn.net/ TortoiseSVN]
 * Log-in access to this site, [mailto:ewedevteam@gmail.com?subject=Need%20wiki%20username contact us] if you require this.
 * Use the following URL to access the Subversion repository: !http://sources.ecopath.org/svn/Ecopath/trunk/Ecopath6.

To compile the source code of EwE 6, you will need:
 * Microsoft Windows XP or newer. The EwE6 sources are not [http://www.mono-project.com/Main_Page MONO] compliant.
 * [http://msdn.microsoft.com/en-us/vbrun/default.aspx Microsoft Visual Basic 6] for EwE5.
 * [http://www.microsoft.com/visualstudio/en-us/products/2010-editions/visual-basic-express Microsoft Visual Basic Express 2010] or [http://www.microsoft.com/visualstudio/en-us/products/2010-editions Microsoft Visual Studio 2010] for EwE6.
 * [http://support.microsoft.com/kb/239114 Microsoft Jet Engine 4.0] for using MDB databases. Native to Windows XP and newer. 
 * [http://www.microsoft.com/downloads/details.aspx?FamilyID=7554F536-8C28-4598-9B72-EF94E038C891&displaylang=en Microsoft 2007 Office drivers] for using ACCDB databases. Installed with Office 2007, and native to Windows Vista and newer.

To compile the source code of EwE5, you require:
 * Microsoft Visual Basic 6 (although discontinued, you can still order this from Microsoft)
 * Windows XP. Visual Basic 6 does not work well on Windows Vista and Windows 7. You can develop using Windows' excellent [https://encrypted.google.com/url?sa=t&rct=j&q=windows%207%20virtual%20pc&source=web&cd=2&ved=0CDMQFjAB&url=http%3A%2F%2Fwww.microsoft.com%2Fwindows%2Fvirtual-pc%2F&ei=d9pzTofuIebZiAKViJ20Ag&usg=AFQjCNH3WKXDZkpqcnGbPNMMv64pd5obfQ&cad=rja Virtual PC].

== Code documentation ==
 * [wiki:CodeDocumentation Documenting your code] - How to write and publish in-code documentation with Visual Studio and [http://blogs.msdn.com/sandcastle/ SandCastle]

== Coding issues ==
We've ran into a series of limitations and oddities that we want to prevent from happening. Here are a few links that convey some of our experiences:
 * [wiki:CodeBestPractices Best practices]
 * [wiki:ScientficInterfaceKnownCompileErrorsFaq Solving key EwE6 source code errors]