Thanks Hugh, This way is very helpful !
it should be ok with mixing with dlate node. Thanks again. Spider 2011/4/22 Hugh Macdonald <[email protected]> > You can create your own vertical/horizontal edge detect by using the Matrix > node to create a basic Sobel filter. > > Create a Matrix node, and set it to be 3x3. > > For a vertical edge detect, enter the following values: > > [ -1 0 1 ] > [ -2 0 2 ] > [ -1 0 1 ] > > For a horizontal edge detect, enter these values: > > [ -1 -2 -1 ] > [ 0 0 0 ] > [ 1 2 1 ] > > Then follow this with an Merge node set to Difference. Make sure the B > input is plugged into the Matrix node, and leave the A input disconnected. > This will make the negative values that came out of the Matrix node > positive. > > Hugh Macdonald > *n**vizible** – VISUAL EFFECTS > * > [email protected] > +44(0) 207 659 2038 > +44(0) 7773 764 708 > > www.nvizible.com > > On 21 Apr 2011, at 14:12, Renato Carone wrote: > > Hi, > > If you use a Erode node after your Edge Detect, you can select vertical or > horizontal lines. > > Cheers, > Renato carone > > On 21/04/2011, at 06:44, Spider <[email protected]> wrote: > > Hi everyone, > > I'd like to kow if there is a way to select only vertical and/or horizontal > lines after an edge detect node, cause i'd like to apply a node only for > these selection. > Any hint ? > > Thanks for your help. > > Spider > > > -- > *Luddnel Spider Magne **|** Director - Lead Motion Compositor* > 555Lab – Alchemy between you and us > 24 rue du Pré St-Gervais 93500 Pantin > Office (+33)148 453 555 | Fax (+33)171 864 387 > Mobile (+33)699 434 555 | 555lab.com <http://www.555lab.com/> > > _______________________________________________ > Nuke-users mailing list > [email protected] > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > _______________________________________________ > Nuke-users mailing list > [email protected] > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > > > _______________________________________________ > Nuke-users mailing list > [email protected] > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > -- *Luddnel Spider Magne **|** Director - Lead Motion Compositor* 555Lab – Alchemy between you and us 24 rue du Pré St-Gervais 93500 Pantin Office (+33)148 453 555 | Fax (+33)171 864 387 Mobile (+33)699 434 555 | 555lab.com <http://www.555lab.com/>
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