Hi, again thank you for your reply. That is very unfortunate, because I really need the masking part within the tool. So I guess I will look into the segmentation tool. I suppose it is a big performance drawback, when there is no masking. In case there is any workaround, let me know.
Andy On Tuesday, 10 June 2014 20:12:03 UTC+2, Grizonnet Manuel wrote: > > Hi Andy, > > Jonathan is referring to the Segmentation application: > > http://orfeo-toolbox.org/Applications/Segmentation.html > > In this application there is the stiching mechanism and you'll be able to > perform the connected component segmentation with an algebra expression. > But note that this application will not allow to integrate the "masking" > part and the thresholding using shape elongation... > > Manuel > > -- > > Manuel GRIZONNET > CNES - DCT/SI/AP - BPI 1219 > 18, avenue Edouard Belin > 31401 Toulouse Cedex 09 - France > Tel: +33 561 282 630 - Fax: +33 561 283 109 > ------------------------------ > *De :* [email protected] <javascript:> [[email protected] > <javascript:>] de la part de Andy [[email protected] <javascript:>] > *Envoyé :* mardi 10 juin 2014 09:09 > *À :* [email protected] <javascript:> > *Objet :* Re: [otb-users] Connected Component Segmentation polygon effect > > Hi, > > thank you for your answer. Unfortunately I don't know where I should > enable that option. > I am using the CC according to the cookbook example: > > #!/usr/bin/python > > # Import the otb applications package > import otbApplication > > # The following line creates an instance of the > ConnectedComponentSegmentation application > ConnectedComponentSegmentation = otbApplication.Registry.CreateApplication > ("ConnectedComponentSegmentation") > > # The following lines set all the application parameters: > ConnectedComponentSegmentation.SetParameterString("in", "ROI_QB_MUL_4.tif" > ) > > ConnectedComponentSegmentation.SetParameterString("mask", "((b1>80)⋆ > intensity>95)") > > ConnectedComponentSegmentation.SetParameterString("expr", "distance<10") > > ConnectedComponentSegmentation.SetParameterInt("minsize", 15) > > ConnectedComponentSegmentation.SetParameterString("obia", " > SHAPE_Elongation>8") > > ConnectedComponentSegmentation.SetParameterString("out", " > ConnectedComponentSegmentation.shp") > > # The following line execute the application > ConnectedComponentSegmentation.ExecuteAndWriteOutput() > > Adding a line like > "ConnectedComponentSegmentation.SetParameterInt("mode.vector.stitch", 1)" > does not do the trick. > > > Andy > > > On Friday, 6 June 2014 13:35:24 UTC+2, Jonathan Guinet wrote: >> >> Hi, >> >> Do you use CC algorithm throw Segmentation application ? is the >> stitching option disabled ? (-mode.vector.stitch ) you should activate it >> >> >> Jonathan >> >> >> 2014-06-06 8:23 GMT+02:00 Andy <[email protected] >> <http://UrlBlockedError.aspx>>: >> >>> Hi, >>> >>> I am using the CC algorithm of the otb library in a python script. The >>> input raster has a 11639 x 10948 Pixel extend and 4 bands. >>> The result shows a pattern of equally distributed horizontal lines which >>> split polygons. >>> What is the cause for that? Is it just a matter of the extend? >>> I attached a screenshot which visualizes the problem. Any help is >>> appreciated. >>> >>> Regards >>> >>> -- >>> -- >>> Check the OTB FAQ at >>> http://www.orfeo-toolbox.org/FAQ.html >>> >>> You received this message because you are subscribed to the Google >>> Groups "otb-users" group. >>> To post to this group, send email to [email protected] >>> <http://UrlBlockedError.aspx> >>> To unsubscribe from this group, send email to >>> http://groups.google.com/group/otb-users?hl=en >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "otb-users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to https://groups.google.com/d/optout. >>> >> >> -- > -- > Check the OTB FAQ at > http://www.orfeo-toolbox.org/FAQ.html > > You received this message because you are subscribed to the Google > Groups "otb-users" group. > To post to this group, send email to [email protected] > <javascript:> > To unsubscribe from this group, send email to > [email protected] <javascript:> > For more options, visit this group at > http://groups.google.com/group/otb-users?hl=en > --- > You received this message because you are subscribed to the Google Groups > "otb-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > For more options, visit https://groups.google.com/d/optout. > -- -- Check the OTB FAQ at http://www.orfeo-toolbox.org/FAQ.html You received this message because you are subscribed to the Google Groups "otb-users" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/otb-users?hl=en --- You received this message because you are subscribed to the Google Groups "otb-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
