dimension x divided by deimension y gives you the aspect ratio. see attached patch:
autoscale_ratio_image_or_video.pd
Description: Binary data
m. Am 21.07.2010 um 21:51 schrieb J bz: > Hi Max, > > Cheers for the quick response. > > tbh, pix_film is the reason I know the pixel dimensions already:) > > Would you mind explaining in a little more detail - which objects and how? > > I am unclear on the relationship, say, between [rectangle 3 2] and 320x240 > pixels, and again how that corresponds to [translate] and the numbers I am > putting in the inlets 2 and 3 of translate. For example when I increase the > 2nd inlet of translate (magnification? sorry I'm not in front of pd atm) my > 2nd avi movie moves in a north easterly direction from within the gemwin and > I don't understand why? > > Kind regards, > > Jb > > On 21 July 2010 18:37, Max <abonneme...@revolwear.com> wrote: > pix_film does output the dimensions of the movie in pixels when a movie is > loaded. Assuming that the movie is in square pixels (which is the case if you > are using screenshots and webcam movies) this allows you with a couple of > objects to automatically scale the rectangle it is textured to to fit the > right aspect ratio. > > m. > > Am 21.07.2010 um 19:25 schrieb J bz: > > > Hey again, > > > > So, > > > > I have my 3 avi's with 3 seperate [gemheads] which I can now move around > > the [gemwin]. Cool. > > > > Could someone enlighten me towards the relationships between [translate] > > and [rectangle] please? > > > > I would like to keep the original aspect ratios for the 3 avi's. Avi 1 is > > an odd shape - w432 h768 - (it's approximately half of my laptop desktop > > recorded with RecordMyDesktop) and avi 2&3 are recorded off bog-standard > > camera's, so are 320x240. The larger file is on the left of my gemwindow > > with the 2 other avi's to the right, one above the other. I have added the > > widths of film 1 and film 2 with little borders which gives [dimen 762 > > 768(. I can move the files around and get an approximate fit moving > > between each [translate] and [rectangle] but I get the feeling there is a > > more rigorous approach. > > > > Apologies in advance if I have missed something in the helpfiles or various > > tutorials but I can't seem to find the info I'm looking for. > > > > Best wishes, > > > > Julian > > _______________________________________________ > > Pd-list@iem.at mailing list > > UNSUBSCRIBE and account-management -> > > http://lists.puredata.info/listinfo/pd-list > >
PGP.sig
Description: Signierter Teil der Nachricht
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