Dear Brian, thank you for your efforts! Your example works perfectly! Thank you very much. Cheers, Thorsten Am Dienstag, den 21.04.2015, 11:56 -0400 schrieb Brian Northan: > Hi Thorsten > > Your code looks fine. It is a problem in my convolution ops code. > > I updated the convolution branch in tutorials to work with your use > -case. > > https://github.com/imagej/imagej-tutorials/blob/convolution/using > -ops/src/main/java/ConvolutionOps.java > > The problem was that the ops framework did not correctly choose > 'NaiveConvolution' (direct convolution with small kernel). Then > even when I forced it to (by referring to NaiveConvolution.class > directly) it did not extend the images properly (see > https://github.com/imagej/imagej-ops/issues/98) > > If you get a chance let me know if this new example works. The > example is now too complicated, but if it works for you I can spend > some time this week integrating this logic into the op (so you can > write nice concise code). > > Brian > > On Tue, Apr 21, 2015 at 9:35 AM, Thorsten Wagner < > wag...@biomedical-imaging.de> wrote: > > Dear Brian, > > > > thank you for the link! I'm approaching to a solution. However, I > > followed your tutorial but I stell get a exception: > > http://pastebin.com/vn84LCXx > > > > That's my code: > > http://pastebin.com/jeuXaycN > > > > What I'm doing wrong? > > > > Cheers, > > Thorsten > > > > > > > > > > On Mon, Apr 20, 2015 at 4:25 PM, Curtis Rueden <ctrue...@wisc.edu > > > > wrote: > > > > Hi Thorsten, > > > > > > > > > I try to perform a simple convolution using imagej2. > > > > Unfortunately, it > > > > > failed! > > > > > > > > The exception you receive is because you are creating a new > > > > ImageJ application context, rather than reusing the existing > > > > one. This happens because you write: > > > > > > > > final ImageJ ij = new ImageJ(); > > > > > > > > The handle to the existing context can be obtained in one of > > > > two ways: > > > > > > > > 1) If you are writing an ImageJ1 plugin (e.g., an > > > > ij.plugin.Plugin), then you can write: > > > > > > > > // retrieve the ImageJ application context > > > > final Context context = (Context) > > > > IJ.runPlugIn("org.scijava.Context", ""); > > > > final ImageJ ij = new ImageJ(context); > > > > > > > > 2) If you are writing an ImageJ2 plugin, then you can write: > > > > > > > > @Parameter > > > > private OpService ops > > > > > > > > And just call "ops.convolve(...)" in your code. > > > > > > > > Or if you really want the "ImageJ" object, you can write: > > > > > > > > @Parameter > > > > private ImageJ ij; > > > > > > > > See also: > > > > https://github.com/imagej/imagej-tutorials/ > > > > > > > > Regards, > > > > Curtis > > > > > > > > On Mon, Apr 20, 2015 at 4:53 AM, Thorsten Wagner < > > > > wag...@biomedical-imaging.de> wrote: > > > > > Dear list, > > > > > > > > > > I try to perform a simple convolution using imagej2. > > > > > Unfortunately, it > > > > > failed! > > > > > > > > > > This is my code: > > > > > http://pastebin.com/CqBgcLXd > > > > > > > > > > This is the exception: > > > > > http://pastebin.com/KHkeGGAJ > > > > > > > > > > I would be grateful for any help. > > > > > > > > > > Regards, > > > > > Thorsten > > > > > > > > > > _______________________________________________ > > > > > ImageJ-devel mailing list > > > > > ImageJ-devel@imagej.net > > > > > http://imagej.net/mailman/listinfo/imagej-devel > > > > > > > > > > > > > _______________________________________________ > > > > ImageJ-devel mailing list > > > > ImageJ-devel@imagej.net > > > > http://imagej.net/mailman/listinfo/imagej-devel > > > >
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