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<b><a class="bz_bug_link
bz_status_NEEDSINFO "
title="NEEDSINFO - I'm trying to merge two images (1 gb each, tiff files) and Image J processess the top half of the image while the bottom is black."
href="http://fiji.sc/bugzilla/show_bug.cgi?id=1032#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEEDSINFO "
title="NEEDSINFO - I'm trying to merge two images (1 gb each, tiff files) and Image J processess the top half of the image while the bottom is black."
href="http://fiji.sc/bugzilla/show_bug.cgi?id=1032">bug 1032</a>
from <span class="vcard"><a class="email" href="mailto:wsr@nih.gov" title="Wayne Rasband <wsr@nih.gov>"> <span class="fn">Wayne Rasband</span></a>
</span></b>
<pre>Does the following test macro work as expected on your system? I attached a
screenshot that shows what the merged image created by the macro should look
like. Before running the macro, you should upgrade to the latest ImageJ daily
build (1.49q15). It fixes a bug that caused extremely large images (e.g.,
30000x30000) to not be displayed correctly because the minimum magnification
was 3.1%. Also, the "Merge Channels" command now deletes the source images only
after displaying the composite image. To upgrade, use the Help>Update ImageJ
command and select "daily build" from the drop down menu.
MB = 850;
w = sqrt(MB*1024*1024);
doCommand("Monitor Memory...");
newImage("c1", "8-bit ramp", w, w, 1);
newImage("c2", "8-bit ramp", w, w, 1);
run("Rotate 90 Degrees Right");
run("Merge Channels...", "c1=c1 c2=c2 create");</pre>
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