The region of definition action should do it for you. It will change the equivalent of the 'bbox' in Nuke. There is currently no way to change the 'format'.
http://openfx.sourceforge.net/Documentation/1.2/ofxProgrammingReference.html#kOfxImageEffectActionGetRegionOfDefinition b On 19 Apr 2012, at 14:06, Steven Booth wrote: > I confess, I’m not familiar with ‘OFX’ format, but if you need to output a > double-wide image, I would start by setting the format.width in _validate, > and then simply provide the extra pixels in each engine call. > > Steve > > From: nuke-dev-boun...@support.thefoundry.co.uk > [mailto:nuke-dev-boun...@support.thefoundry.co.uk] On Behalf Of Víctor M. > Feliz (MOTIVA) > Sent: Thursday, April 19, 2012 2:56 AM > To: nuke-dev > Subject: [Nuke-dev] Change output clip size (ofx) > > It should be a trivial question but I didn't get the solution. > > I've been developing effect plugins in OFX format for a while I'm getting the > image bounds correctly for the output and so, all works fine... but what if I > need to create a double width output instead the same size of the input? > > I've been looking on the html document, in the examples and so but without > luck. > > Best regards, Víctor. > (CONFIDENTIALITY NOTICE: The information contained in this email may be > confidential and/or privileged. This email is intended to be reviewed by only > the individual or organization named above. If you are not the intended > recipient, or an authorized representative of the intended recipient, you are > hereby notified that any review, dissemination or copying of this email, or > the information contained herein is strictly prohibited. If you have received > this communication in error, please notify the sender by return email and > delete this email from your system. Thank You.) > > _______________________________________________ > > Nuke-dev mailing list > Nuke-dev@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-dev -- Bruno Nicoletti, Founder and Head Of Technology The Foundry 6th Floor, The Communications Building, 48 Leicester Square, London, WC2H 7LT, UK Tel: +44 (0)20 7968 6828 - Fax: +44 (0)20 7930 8906 Skype: brunonicoletti Web: www.thefoundry.co.uk The Foundry Visionmongers Ltd • Registered in England and Wales No: 4642027 _______________________________________________ Nuke-dev mailing list Nuke-dev@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-dev