Skip to main content

Glossy Laptop display

My laptop has a glossy display (HP calls it a BrightView display). It is marginally annoying when there are bright surfaces behind you. When the screen is off, you would think, from the reflections, that its impossible to use, but the LCD displays pretty bright images, so they usually drown out the background behind.

I had never been able to use the laptop outside, because of reflections, until today. I decided to try again and this time, instead of sitting facing the sun I sat at an angle to it. It was amazing! At the proper angle, the back of the display diffusely reflects the sunlight, causing the screen to now act like an old fashioned LCD with no back-light.

It looks a little weird, because the letters clearly float above the greenish background (like the LCD on a clock or watch), but I was able to use it in bright sunlight, on battery (i.e. dimmed display). It was amazing.

So the trick to using the BrightView LCD in sunlight is to turn so that the sun is not reflecting directly off the screen, but is otherwise illuminating it.

For a nice description of how this works look here.

(Thanks to Ben for pointing out original post was obtuse in parts)


Popular posts from this blog

Python: Multiprocessing: passing multiple arguments to a function

Write a wrapper function to unpack the arguments before calling the real function. Lambda won't work, for some strange un-Pythonic reason.

import multiprocessing as mp def myfun(a,b): print a + b def mf_wrap(args): return myfun(*args) p = mp.Pool(4) fl = [(a,b) for a in range(3) for b in range(2)] #mf_wrap = lambda args: myfun(*args) -> this sucker, though more pythonic and compact, won't work, fl)

Flowing text in inkscape (Poster making)

You can flow text into arbitrary shapes in inkscape. (From a hint here).

You simply create a text box, type your text into it, create a frame with some drawing tool, select both the text box and the frame (click and shift) and then go to text->flow into frame.


The omnipresent anonymous asked:
Trying to enter sentence so that text forms the number three...any ideas?
The solution:
Type '3' using the text toolConvert to path using object->pathSize as necessaryRemove fillUngroupType in actual text in new text boxSelect the text and the '3' pathFlow the text

Drawing circles using matplotlib

Use the pylab.Circle command

import pylab #Imports matplotlib and a host of other useful modules cir1 = pylab.Circle((0,0), radius=0.75, fc='y') #Creates a patch that looks like a circle (fc= face color) cir2 = pylab.Circle((.5,.5), radius=0.25, alpha =.2, fc='b') #Repeat (alpha=.2 means make it very translucent) ax = pylab.axes(aspect=1) #Creates empty axes (aspect=1 means scale things so that circles look like circles) ax.add_patch(cir1) #Grab the current axes, add the patch to it ax.add_patch(cir2) #Repeat