Mercurial > repos > imgteam > imagej2_bunwarpj_raw_transform
diff jython_utils.py @ 0:95b7592729e2 draft
"planemo upload for repository https://github.com/bgruening/galaxytools/tree/master/tools/image_processing/imagej2 commit b08f0e6d1546caaf627b21f8c94044285d5d5b9c-dirty"
author | imgteam |
---|---|
date | Tue, 17 Sep 2019 17:03:42 -0400 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jython_utils.py Tue Sep 17 17:03:42 2019 -0400 @@ -0,0 +1,48 @@ +import imagej2_base_utils +from ij import IJ + +IMAGE_PLUS_IMAGE_TYPE_FIELD_VALUES = { '0':'GRAY8', '1':'GRAY16', '2':'GRAY32', + '3':'COLOR_256', '4':'COLOR_RGB' } + +def asbool( val ): + return str( val ).lower() in [ 'yes', 'true' ] + +def convert_before_saving_as_tiff( image_plus ): + # The bUnwarpJ plug-in produces TIFF image stacks consisting of 3 + # slices which can be viewed in ImageJ. The 3 slices are: 1) the + # registered image, 2) the target image and 3) the black/white warp + # image. When running bUnwarpJ from the command line (as these + # Galaxy wrappers do) the initial call to IJ.openImage() (to open the + # registered source and target images produced by bUnwarpJ) in the + # tool's jython_script.py returns an ImagePlus object with a single + # slice which is the "generally undesired" slice 3 discussed above. + # However, a call to IJ.saveAs() will convert the single-slice TIFF + # into a 3-slice TIFF image stack (as described above) if the selected + # format for saving is TIFF. Galaxy supports only single-layered + # images, so to work around this behavior, we have to convert the + # image to something other than TIFF so that slices are eliminated. + # We can then convert back to TIFF for saving. There might be a way + # to do this without converting twice, but I spent a lot of time looking + # and I have yet to discover it. + tmp_dir = imagej2_base_utils.get_temp_dir() + tmp_out_png_path = imagej2_base_utils.get_temporary_image_path( tmp_dir, 'png' ) + IJ.saveAs( image_plus, 'png', tmp_out_png_path ) + return IJ.openImage( tmp_out_png_path ) + +def get_binary_options( black_background, iterations=1, count=1, pad_edges_when_eroding='no' ): + options = [ 'edm=Overwrite', 'iterations=%d' % iterations, 'count=%d' % count ] + if asbool( pad_edges_when_eroding ): + options.append( 'pad' ) + if asbool( black_background ): + options.append( "black" ) + return " ".join( options ) + +def get_display_image_type( image_type ): + return IMAGE_PLUS_IMAGE_TYPE_FIELD_VALUES.get( str( image_type ), None ) + +def handle_error( error_log, msg ): + # Java writes a lot of stuff to stderr, so the received error_log + # will log actual errors. + elh = open( error_log, 'wb' ) + elh.write( msg ) + elh.close()