https://imagejdocu.list.lu/ 2026-05-07T10:06:07+00:00 https://imagejdocu.list.lu/ https://imagejdocu.list.lu/lib/tpl/dokuwiki/images/favicon.ico text/html 2019-04-12T13:13:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://imagejdocu.list.lu/problem/linux/alt-key_shortcuts_do_not_work?rev=1555067621&do=diff Alt-key shortcuts do not work Problem: The Alt keyboard shortcut to manipulate ROIs does not work. This is because the GUI uses the same shortcut for an alternative function (for example move a window around the desktop. Solution: In KDE you can change the behaviour of the Modifier Key (to alternatively listen to the Meta key). Setting text/html 2019-04-12T13:13:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://imagejdocu.list.lu/problem/linux/assertion_c-_xlib.lock_failed._error?rev=1555067621&do=diff "Assertion `c->xlib.lock' failed." error In openSUSE 10.3, ImageJ with Java 1.6 can give an “Assertion `c->xlib.lock' failed.” error that prevents it running. Open the file /etc/profile in your favourite text editor as the root user. Then, add the the following statement just before the end of the file: text/html 2019-04-12T13:13:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://imagejdocu.list.lu/problem/linux/cannot_drop_files_into_the_imagej_window_in_kde_4.x?rev=1555067621&do=diff Cannot drop files into the ImageJ window in KDE 4.x The new KDE 4.x window manager has changed the way the Desktop is managed. A widget called folder-view shows the contents of the ~/Desktop folder on the physical desktop (i.e. on screen). However this prevents text/html 2019-04-12T13:13:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://imagejdocu.list.lu/problem/linux/help_imagej_web_site..._does_not_work?rev=1555067621&do=diff Help ImageJ Web Site... does not work In ImageJ versions previous to 1.38k under linux, the Help>ImageJ Web Site and Help>Online Docs... commands run the Netscape browser to open the ImageJ website. If Netscape is not installed, these commands do not work. One can solve this by providing a symbolic link to the command that launches the installed browser. For example: text/html 2019-04-12T13:13:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://imagejdocu.list.lu/problem/linux/ubuntu_java?rev=1555067621&do=diff Ubuntu Java By default Ubuntu runs GCJ, the GNU Java, instead of Sun's Java. The 'easiest' way to enable Sun's Java is to run it from your launcher. For example: /usr/lib/jvm/java-1.5.0-sun/bin/java -Dplugins.dir=/home/<YOURHOME>/ImageJ -Xmx128m -cp /opt/ImageJ/ij.jar:/usr/lib/jvm/java-1.5.0-sun/lib/tools.jar ij.ImageJ