Add RAMSES particle support

[yt-fido]

Originally reported by: The yt Project (Bitbucket: yt_analysis, GitHub: Unknown)

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== Imported Ticket ==

• Summary: Add RAMSES particle support
• Component: yt
• Milestone: 2.1
• Reporter: mturk
• Owner: mturk
• **Resolution: None
• Status: new
• Created: 1283439930782514
• Description:

=== Update to Ticket ===

• Author: mturk
• Changetime: 1289332852029256
• Field: milestone
• Oldvalue: 2.0
• Newvalue: 2.1

=== Update to Ticket ===

• Author: mturk
• Changetime: 1289332852029256
• Field: comment
• Oldvalue: 1
• Newvalue:

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• Bitbucket: https://bitbucket.org/yt_analysis/yt/issue/264

[yt-fido]

Original comment by chummels (Bitbucket: chummels, GitHub: chummels):

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Removing milestone: 3.0 (automated comment)

[yt-fido]

Original comment by Matt Turk (Bitbucket: MatthewTurk, GitHub: MatthewTurk):

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This is now mostly working in the 3.0 branch. I am closing it.

[yt-fido]

Original comment by Matt Turk (Bitbucket: MatthewTurk, GitHub: MatthewTurk):

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While using Space Emperor by SamG is the long term goal, this can be accomplished in stages. Now that the regridded RAMSES data does not span domains, we can get partially there already.

[yt-fido]

Original comment by Matt Turk (Bitbucket: MatthewTurk, GitHub: MatthewTurk):

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This will depend on the new IO system ("Space Emperor") and generalized geometry.