<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font face="arial, sans-serif">Hi,</font><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">After properly testing viewer vs supersample 3 vs supersample 1<font color="#000000"><span>, (s</span></font>ee screenshot attached from left to right)<span style="color:rgb(0,0,0)">, I can say that the color desaturation problem does still not come from the supersampling. non supersampled (supersample 1) is as desaturated as supersampled 3.</span></font></div><div><span style="color:rgb(0,0,0)"><font face="arial, sans-serif"><br></font></span></div><div><font face="arial, sans-serif"><img src="cid:ii_k5z1hfmq0" alt="viewer_ss3_ss1.png" width="562" height="283"><br></font></div><div></div></div></div></div></div><font face="arial, sans-serif"><br></font><div class="gmail_quote"><div dir="ltr" class="gmail_attr"><font face="arial, sans-serif">On Tue, 28 Jan 2020 at 19:22, Eric Pettersen <<a href="mailto:pett@cgl.ucsf.edu" target="_blank">pett@cgl.ucsf.edu</a>> wrote:<br></font></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space"><font face="arial, sans-serif">Unfortunately, supersampling <i>defaults</i> to 3, so the “non-supersampling” command actually needs to be:  <span style="font-style:normal">save myimage.png supersample 1</span></font><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">—Eric<br></font><div>
<div style="color:rgb(0,0,0);font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><font face="arial, sans-serif"><span style="white-space:pre-wrap"><br>    </span>Eric Pettersen</font></div><div style="color:rgb(0,0,0);font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><font face="arial, sans-serif"><span style="white-space:pre-wrap">  </span>UCSF Computer Graphics Lab</font></div><div style="color:rgb(0,0,0);font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><font face="arial, sans-serif"><br></font></div><font face="arial, sans-serif"><br>
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<div><font face="arial, sans-serif"><br></font><blockquote type="cite"><div><font face="arial, sans-serif">On Jan 28, 2020, at 10:12 AM, Christophe Leterrier <<a href="mailto:christophe.leterrier@gmail.com" target="_blank">christophe.leterrier@gmail.com</a>> wrote:</font></div><font face="arial, sans-serif"><br></font><div><div dir="ltr" style="font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="ltr"><div dir="ltr"><font face="arial, sans-serif">Hi Tom,</font><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">thank you for your reply. I don't think it's due to supersampling. In the attached screenshot you see form left to right; viewer, no supersampling (save /Users/christo/Desktop/image1.png) and default supersampling (save /Users/christo/Desktop/image2.png supersample 3). The viewer is more contrasted and more saturated that both the non-supersampled and the supersampled images, that look identical. By the way this is on my MacBook Pro whereas the previous one was from iMac (both Retina though).</font></div><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">Christophe</font></div></div></div></div><font face="arial, sans-serif"><br style="font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"></font><div class="gmail_quote" style="font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="ltr" class="gmail_attr"><font face="arial, sans-serif">On Tue, 28 Jan 2020 at 18:24, Tom Goddard <<a href="mailto:goddard@sonic.net" target="_blank">goddard@sonic.net</a>> wrote:<br></font></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><font face="arial, sans-serif">Hi Christophe,<br><br> <span> </span>I guess you are saving the image with the Snapshot icon on the toolbar.  The equivalent command is shown in the Log panel<br><br>       <span> </span>save /Users/goddard/Desktop/image1.png supersample 3<br><br>It is probably the "supersample 3" option that is fading your colors.  That option says make the image 3 times bigger and then average over 3 x 3 pixel bins to obtain smoother edges.  If instead you use<br><br>       <span> </span>save myimage.png<br><br>I believe you will get identical colors to those you see on the screen.<br><br> <span> </span>Maybe I should add some snapshot options to the preferences panel and I could let you choose whether you want supersampling.  On a Mac retina display the snapshot icon makes an image with half the resolution shown on the screen -- could also have an option to up the resolution.  Probably better to just fix it so it uses the screen resolution.<br><br>       <span> </span>Tom<br><br><br><br>> On Jan 28, 2020, at 8:12 AM, Christophe Leterrier <<a href="mailto:christophe.leterrier@gmail.com" target="_blank">christophe.leterrier@gmail.com</a>> wrote:<br>><span> </span><br>> Hi,<br>><span> </span><br>> I wonder why the colors in the snapshots (and movies) from ChimeraX are always washed-out compared to the colors I get live in the viewer. Attached is a screenshot with the viewer on the left, the corresponding snapshot on the right: one can see how the snapshot is desaturated compared to the viewer. From my limited tests it is the case when saving as both PNG and PPM, and I wonder if this could be corrected. I could saturate the screenshots afterward but it doesn't seem right to me to grossly mess with color levels post-hoc given how stunning the shaded rendering from ChimeraX are.<br>><span> </span><br>> Thanks,<br>><span> </span><br>> Christophe<br>> <viewer_vs_snapshot.png>_______________________________________________<br>> ChimeraX-users mailing list<br>><span> </span><a href="mailto:ChimeraX-users@cgl.ucsf.edu" target="_blank">ChimeraX-users@cgl.ucsf.edu</a><br>> Manage subscription:<br>><span> </span><a href="http://www.rbvi.ucsf.edu/mailman/listinfo/chimerax-users" rel="noreferrer" target="_blank">http://www.rbvi.ucsf.edu/mailman/listinfo/chimerax-users</a><br><br></font></blockquote></div><font face="arial, sans-serif"><span id="m_-3903247796935786640m_-5709623165415867431gmail-m_-100628511817836456cid:f_k5y76lic0"><viewer_nonsss_ss3.png></span><span style="font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">_______________________________________________</span><br style="font-style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