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Message-ID:  <[log in to unmask]>
Date:         Fri, 22 Aug 2003 23:57:57 +0200
Reply-To:     ImageJ Interest Group <[log in to unmask]>
Sender:       ImageJ Interest Group <[log in to unmask]>
From:         Adrian Daerr <[log in to unmask]>
Subject:      Re: developing macro-recordable plugins?
Comments: cc: Ulf Dittmer <[log in to unmask]>
In-Reply-To:  <[log in to unmask]>

> a) how the macro call with the parameters (i.e., run("Threshold",
> "thresholded remaining black") is generated during recording, and
> b) how those parameters find their way back into the plugin code during
> playback.

If you use the GenericDialog to get your parameters from the user, I
think everything to make the plugin recordable should already been taken
care of: the idea is that an input-field "parameter : ____10.0"
translates into a "parameter=10.0" argument during recording. This works
for PlugIn and PlugInFilter. Quoting a mail from Wayne some time ago
(Fri Jun 13th 2003):

 > The key to making a plugin accessable from macros is to use the
 > OpenDialog class for opening files, the SaveDialog class for saving
 > files, and the GenericDialog class for reading parameters. The
 > Batch_Converter plugin at
 >
 >     http://rsb.info.nih.gov/ij/plugins/batch-converter.html
 >
 > uses all three of these classes. Note that you need to be running
 > ImageJ 1.30r or later to call the Batch_Converter from a macro since
 > earlier versions of ImageJ always recorded paths using the "path"
 > keyword. In V1.30r and later, the first word of the
 > OpenDialog/SaveDialog title is used as the keyword.
 >
 > With GenericDialogs, the first word of the item label is used as the
 > keyword so you need to make sure that each starting word is unique. If
 > it isn't, use an underscore to combine it with the second word. See the
 > Field of View Calculator plugin for and example.
 >
 >     http://rsb.info.nih.gov/ij/plugins/fov-calculator.html

hth,
Adrian

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