07-18-2012 07:29 AM
Actually Albert, crossrulz and I were refering to the file format that the scope uses for the screen capture. Smaller file = shorter time to transfer to pc was the intent.
You've brought up something we didn't catch. A vi or snippet would be much more useful.
07-18-2012 01:55 PM - edited 07-18-2012 01:58 PM
Here is the VI. You are right about the PNG vs BMP size...I had selected BMP because I knew it would drop into MS Word easily, but hadn't really played around with PNGs at all. However, the PNG drops right into Word, so that is definitely the way to go. I changed the VI accordingly.
As a side note, PNG seems to compress smaller, and output higher quality without compression artifacts than JPEGs. What is the difference, and why aren't more people using PNG instead of JPG? Does it work better for simple graphics than it does for photos?
07-18-2012 02:30 PM
JPGs are optimized for photos. PNGs are optimized for simple pictures. Anything from the scope will work wonderfully with PNGs. I use PNGs for almost everything I do, which is mostly screen captures.
07-18-2012 03:27 PM
PNG, much like GIF, won't show artifacts when simple drawings are saved in that format.
JPG is optimized for photos, where you've got a lot of gradients that can be drawn with color-A, color-B, and a pattern.
GIFs can be animooted, PNGs cannot. PNGs can have an alpha channel, GIF doesn't support that. Both do, however, support transparency.
For most screenshots, PNG is my format of choice (and default for Mac, and now (finally) windows). Simple graphics I choose GIF. Photos are JPG.
04-01-2013 11:59 AM
I have been looking for help on how to save a PNG from a scope through LAN and this topic is perfect! Thank you. Well, almost perfect. I am using LabVIEW 2010 and I am unable to open the uploaded VI. Could some please convert it so that I can use it? Thanks.