Dual Displays
I am running Bricscad V8 on an IBM Z60M laptop with a secondary Phillips 190S flat panel monitor. While the program works OK on the laptop screen it doesn't on the secondary screen. As soon as you roll the mouse wheel to zoom, the drawing dissappears. When you "zoom all" on the keyboard it appears again.Any ideas? (Note: AutoCAD 2005 did not have this problem)Thanks.
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I'm running V8 on a dual screen desktop withWindows XP. It has an Nvidia GeForce 6600 GT cardwith a 19" and a 17" CRT screen. I've had no particular problem.
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I am running BrisCAD on myAveratec laptop that I am running with dual displays. The laptop has a SYS M741 video adapter. I am running my external display as the primary display, and the labtop display as an extended desktop. If I drag the Briscad window to my laptop, and then use my scroll wheel to zoom, the display disapears just as it does for you. A zoom all brings it back.To investigate, after the the blank screen, I zoomed using the command prompt to zoom out (zoom .01x did it). I saw that the items were there, but not centered. It is obvious that the scroll wheel zoom is failing to recognize the new center of the display on the laptop screen.Joe Dunfee
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You're right, I hadn't noticed before. "Zoom all" brings up the whole drawing, and "zoom previous" returns me to the blank screen. I drew a line from the middle of the blank screen after scrolling and I find that it offsets sideways 128000 screen units to the left when I scroll in and 170000 screen units to the right when I scroll out. The amount of shift seems to be proportional to the amount of scrolling and the display shifts left when I scroll in and right when I scroll out.
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Thanks for the feedback everyone.I just switched my display setup so that the 19" external monitor is the main display when docked and the laptop is the secondary. The scroll zoom now works OK on both (?). I then un-docked the laptop and all is well with it too.A happy (yet slightly baffling) outcome :-)
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In generaly, dual displays have long had a history of problems. My averatec tablet gets VERY messed up if I accidentally press the button that rotates the display. Swapping between external vs. internal display can also creates issues.It will take several reboots, and changes to the display settings to force it to resolve. It doesn't make sense to me why it will reject a change to the video settings one time, and not another.I finally resolved some of the issues by creating hardware setups with Windows. This way, at boot up it asks me how I want it configured, and conintues boots directly to that configuration. If you need to swap between the two setups, this might be the way (though perhaps you are already doing that for your dock vs. undock setup.)Joe Dunfee
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