Hi Curtis, hi Johannes,
we have a few questions regarding commands and command execution
to wrap them for our graphical editor and also command line execution
of operators resp. commands.
What are the precoditions assumed when running a (headless) command
o may the command assume that its initializer, if any, has been executed
prior to executing its run-Method?
o may the initializer-Method assume some of the parameter of the command
already set
(as e.g. a single ImageDisplay), and of course, which parameters?
as an example, the DuplicateImage command adds input parameters to itself
in its initializer-method depending on the inputDisplay.
Thus is seems that DuplicateImage requires, that inputDisplay is set prior
to
calling its initializer and that the user is asked for further parameters
lateron.
o more generally, are there parameters of commands set by the standard ij2
preprocessos
besides a single unresolved Dataset?
And is there an easy way to figure out
what preprocessors are run in which order in the standard ij2 context?
- What is your concept to run a headless command from command line (or shell
script), which
adds input parameters dependent on the value of other input parameters?
Do you encourcage to dynamically add input parameters to commands?
- Is there (still) a static method to get hold of the context, as a while ago
was
possible via ImageJ.getContext() in order not to (very) often create a new
context (or it the context impemented as a singelton)?
And how does this work out if running command "truely" headless that is
from command line without ij2 GUI?
- is it remnants, that some ContextCommands have services as parameters
as they - if I understand correctly - could retrievee the services from their
contex?
- has ij2 already support to execute a headless command from the command line
or shell script
Thanks a lot and cheers
Stefan
--
Prof. Dr.-Ing. Stefan Posch,
Institut fuer Informatik, Martin-Luther-Universitaet Halle-Wittenberg
Von-Seckendorff-Platz 1, 06099 Halle (Saale)
phone: ++49 345 55-24728
fax: ++49 345 55-27039
e-mail: stefan.po...@informatik.uni-halle.de
www: www.informatik.uni-halle.de/~posch/
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