<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="EN-US" link="#0563C1" vlink="#954F72"> <div class="WordSection1"> In Igor Pro 8, the tools are here. Look at Fore Color and Back color, uncheck Opaque, but select and Alpha level less than 1. See the picture below.<o:p></o:p> <o:p> </o:p> <img width="647" height="328" style="width:6.7343in;height:3.4166in" id="Picture_x0020_1" src="cid:image003.jpg@01D516F1.9B4C83B0"><o:p></o:p> <o:p> </o:p> Thanks,<o:p></o:p> Forrest<o:p></o:p> <o:p> </o:p> Forrest Blackburn<o:p></o:p> Sr. Research Associate<o:p></o:p> PPG<o:p></o:p> Photochromics R&D<o:p></o:p> Monroeville Business & Technical Center<o:p></o:p> <o:p> </o:p> 440 College Park Drive<o:p></o:p> Monroeville, PA 15146<o:p></o:p> Phone: 724-325-5851<o:p></o:p> Mobile: 724-331-7292<o:p></o:p> Fax: 725-325-5225<o:p></o:p> E-Mail: fblackburn@ppg.com<o:p></o:p> Web: www.ppg.com<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <o:p> </o:p> -----Original Message----- From: Info-igor <info-igor-bounces@lists.info-igor.org> On Behalf Of Hartell, Nick (Prof.) Sent: Thursday, May 30, 2019 1:32 PM To: Igor Discussion List Subject: <EXT>Transparent Box <o:p> </o:p> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.<o:p></o:p> <o:p> </o:p> <o:p> </o:p> Dear List,<o:p></o:p> I am sure I have done this before but can’t recall how to do this.<o:p></o:p> I want to draw a rectangular box over a graph that is coloured but partially opaque. Can someone remind me how to do this? The standard drawing tools don’t seem to have this option or if they do, I can’t see it.<o:p></o:p> Thanks,<o:p></o:p> B<o:p></o:p> Nick<o:p></o:p> <o:p> </o:p> Professor Nicholas Hartell<o:p></o:p> Chair of Neuroscience<o:p></o:p> Department of Neuroscience, Psychology & Behaviour,<o:p></o:p> University of Leicester, University Road, Leicester, LE1 9HN, UK<o:p></o:p> t: +44 (0)116 252 3301 m: +44 (0)775 1088686<o:p></o:p> e: <a href="mailto:nh88@le.ac.uk%3cmailto:nh88@le.ac.uk"> nh88@le.ac.uk<mailto:nh88@le.ac.uk</a>>  w: <a 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