Speed of switching screens

Discuss issues and ideas you have to configuring displays with PowerVision
mhong
Posts: 2
Joined: Wed Jul 28, 2010 9:17 pm

Speed of switching screens

Post by mhong » Tue Jun 21, 2011 8:32 pm

One PV750 customer is saying that it is rather slow for them to switch from screen to screen in their application. Can you advise what will affect the speed for changing screen, size of the image files, coding for switching screen, etc.? Or you will need to see the configuration file before you can make suggestions?
jpurdum
Enovation Controls Development
Enovation Controls Development
Posts: 153
Joined: Mon Jun 21, 2010 11:19 am

Re: Speed of switching screens

Post by jpurdum » Wed Jun 22, 2011 7:01 am

Screen speed can be affected by several things. One thing in particular is the number of individual graphics you may be adding to the screen - use smaller graphics when possible - sometimes people just create several copies of the full screen with transparency. The display has to deal with all of those pixels - even when transparent, so that can slow things down. The first time the screen paints, it's having to cache the image - after the first time, it should be pretty quick.

If you would like to private message their configuration to us, we could take a look.

jpurdum