Hi, thanks for the advice. The DirectoryListing actor did exactly what I wanted to do.
Regards Jochen > One way is to use ptolemy.actor.lib.io.DirectoryListing, which is > "An actor that produces an array that lists the contents of a directory." > > DirectoryListing can take a pattern to read in only certain actors. > > http://ptolemy.eecs.berkeley.edu/ptolemyII/ptIIfaq.htm#kepler > says: > --start-- > Concerning using Ptolemy actors within Kepler, Norbert Podhorszki > writes: > > If you find a Ptolemy actor useful, just remember its class name > (e.g. ptolemy.actor.lib.Ramp). In Kepler, "Tools/Instantiate > Component" menu allows you to type in the class name, which will > put an actor instance on your canvas just as dragging one from the > actor tree. > > The ptolemy jar is stored in the kepler.jar, so you have access to > any Ptolemy actors and directors. > > If you want to use a director not in Kepler tree, you have to use > the "Tools/Instantiate Attribute" menu. I use it to get a DDF > director frequently (class > ptolemy.domains.ddf.kernel.DDFDirector). > > I suppose, you can create a kar file for any ptolemy actor just as > for kepler actors, if you want to add some of them into the Kepler > actor tree. > > --end-- > > Another way would be to modify the chooser code. > > In Ptolemy, the code that controls the file chooser is probably > ptolemy/actor/gui/PtolemyQuery.java which extends > ptolemy/gui/Query.java which uses javax.swing.JFileChooser > > I think for this to work > JFileChooser.MULTI_SELECTION_ENABLED_CHANGED_PROPERTY > would need to be set and the code modified to return an > array of Strings. > > The big issue here is going from returning one file name > to an array of file names. This would definitely change > the model, so we would need to think about how to allow it. > > _Christopher > > > > -------- > > Hi, > > I'm trying to read a set of image files into kepler. However, the > Image Reader Actor only offers the selection of one file in the file > selection. I s > there a way to handle this with common actors, which I haven't found > out ye t, > or do I have to write my own image reader? > > Any Ideas? > > Kind Regards > Jochen > _______________________________________________ > Kepler-users mailing list > Kepler-users at ecoinformatics.org > > http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users > -------- -- # FORSCHUNGSZENTRUM KARLSRUHE # in der Helmholtz-Gemeinschaft # Institute for Data Processing and Electronics # Hermann-von-Helmholtz-Platz 1, # 76344 Eggenstein # GERMANY # # fon: +49 7247 82-6031 # fax: +49 7247 82-3560 # email: jochen.haemmerle at ipe.fzk.de # http://www.ipe.fzk.de

