<div dir="ltr">2016-06-07 23:17 GMT+02:00 Barry Rowlingson <span dir="ltr"><<a href="mailto:b.rowlingson@lancaster.ac.uk" target="_blank">b.rowlingson@lancaster.ac.uk</a>></span>:<br><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Ive just bought a Dell XPS13 which came with Ubuntu 14.04<br>
pre-installed. The screen is 3200 pixels across. Getting applications<br>
to scale properly is a nightmare.<br>
<br>
QGIS (and I guess all Qt apps) seems to be the worst. The icons are<br>
microscopic, and the text and other interface elements overlap. It is<br>
unusable. Same for Gimp and Inkscape, but I mostly use QGIS.<br></blockquote><div><br><br></div><div>QGIS works pretty well (with some minor glitches) in KDE on 4K and retina screens, see the tips and the links in this article <a href="http://www.itopen.it/qgis-and-qt-getting-ready-for-hidpi-screens/">http://www.itopen.it/qgis-and-qt-getting-ready-for-hidpi-screens/</a><br></div><div><br><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
I've tried a couple of things: "xrandr --scale" ends up with very slow<br>
performance and poor graphics quality; the scaling slider in the<br>
display settings seems only to work with gnome apps.<br>
<br>
Any other suggestions? Can I get QGIS to use larger icons? Do I really<br>
have to wait until QGIS adopts Qt 5.6 which, says the internet, has<br>
proper support for high resolution displays? Or do I have to run my<br>
screen at lower resolution?<br>
<br></blockquote><div><br><br></div><div>No, try setting:<br>- the dpi resolution in the display configuration of your OS (system settings), that is usually a wrapper for xrandr <br>- for QT5, the env vars QT_DEVICE_PIXEL_RATIO=2 and/or <br>QT_SCREEN_SCALE_FACTORS=2<br></div><div>- icon size in QGIS can be (at least in part, for the toolbar) configured in the QGIS options dialog<br><br></div><div>See also: <a href="http://doc.qt.io/qt-5/highdpi.html">http://doc.qt.io/qt-5/highdpi.html</a><br></div><div><br><br> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Barry<br>
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