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Author Topic: No Cursor Visible When Drawing V1.0  (Read 275 times)
garsut
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« on: March 14, 2019, 20:03:11 pm »

I upgraded to V1.0 a while ago and mostly it’s stable.
However, when drawing arcs, polylines etc. There is no cursor ! If I right click sometimes it will re-appear but not always.
I’m running V1.0 on Windows 7.
I also occasionally have problems with Camotics. The simulation does not show in the camotics window and I can only see the CamBam part and toolpaths. If I close the CamBam file open another file and then go back to the original file it will usually simulate ok in camotics.
Any ideas please ?
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dh42
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« Reply #1 on: March 14, 2019, 20:16:14 pm »

Hello

For the mouse cursor, did you tried other graphic modes in CamBam options (Display mode) ; maybe it's a display problem.

CB must be restarted after a change has been done to graphic mode.

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David
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garsut
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« Reply #2 on: March 14, 2019, 20:44:31 pm »

David,
         Thanks for your reply. I have changed the display mode to GDI and the cursor is now visible.
Both the OpenGL or OpenGL Legacy display modes suffer from the no cursor problem.
The GDI mode is ok but the diagonals are a little ‘saw toothed’ but I can live with that for the time being.
Thanks for your help

Gary
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dh42
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« Reply #3 on: March 14, 2019, 20:51:46 pm »

Did you have the right VGA drivers installed, or are you using the windows "generic" drivers ?

The GDI mode works well but is slow and give a bad display with 3D objects (surfaces)

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David
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garsut
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« Reply #4 on: March 14, 2019, 20:52:23 pm »

David,
         what is strange is that in 0.9.8 it’s is set to OpenGL and the cursor is visible and using the same CB file for both versions of software I only have this issue with V1.0.
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EddyCurrent
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« Reply #5 on: March 14, 2019, 21:10:46 pm »

Which release of v1.0 are you using ? try the latest release, alpha 16
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garsut
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« Reply #6 on: March 14, 2019, 21:36:29 pm »

Hi Eddy,
            I am using Rel 16. Is Alpha 16 same or should I upgrade ?
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EddyCurrent
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« Reply #7 on: March 14, 2019, 21:42:16 pm »

It's the same.
I was getting odd video behaviour on some earlier versions, that's why I recommended the latest one.

Because Camotics is also giving problems I'm inclined to think it's to do with your video card or the OpenGL drivers.
« Last Edit: March 14, 2019, 21:47:01 pm by EddyCurrent » Logged

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garsut
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« Reply #8 on: March 14, 2019, 21:52:06 pm »

Eddy, regarding Camotics I can typically refine the part by running a simulation many times and it will work fine then I seem to reach a point where it will no longer work unless I close and reload the CB file.
Almost as if I have exceeded memory ?
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garsut
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« Reply #9 on: March 14, 2019, 21:56:56 pm »

David, Eddy, the video driver chipset documentation says it supports OpenGL 2.0, some extensions of 2.1 and OpenGL3.0. So does not fully support 2.1 & 3.0 so could this be the issue ? Has the OpenGL version changed between CB 0.9.8 and 1.0 ?
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dh42
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« Reply #10 on: March 14, 2019, 21:57:12 pm »

Quote
Because Camotics is also giving problems I'm inclined to think it's to do with your video card or the OpenGL drivers.

+1

Here CB 1.0 R16, Win7 - 64 ultimate and VGA Radeon RX 470 (drivers ATI/AMD 21.19.128.4) and no problem with VGA on both CB versions (Mode: OpenGL ; shader:GLSL_330 on both)

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David
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dh42
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« Reply #11 on: March 14, 2019, 22:09:39 pm »

Can't retrieve it, but I think that the OpenGL used by Win 7 is something like 4.3 ; maybe CB 1.0 use "functions" existing in 4.3 and not in 2.0 ...

I never heard about this cursor pb with W7 and CB, so as said, check if your VGA drivers are up to date (and not windows generic drivers)

what is your VGA board ?

++
David

Edit: certainly, the code used by CB1.0 is different from 0.98, because that takes 5 or 6 trial to remove VGA problems. Also, CB1.0 is compiled with .net framework 4.0 and not with 3.5 as for 0.98... maybe this can also change things ... ?
« Last Edit: March 14, 2019, 22:13:44 pm by dh42 » Logged
garsut
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« Reply #12 on: March 14, 2019, 22:13:30 pm »

David, it’s an inbuilt intel chipset so I don’t have the option to upgrade this laptop. I now have the latest driver for this chipset but the problem still exists. I guess I have two choices GDI in the short term but perhaps it’s time for a new laptop !
Thank you and Eddy for your help.
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dh42
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« Reply #13 on: March 14, 2019, 22:21:31 pm »

Ah !! old laptop ...

I know that some problems can appears on old laptop that are not able to manage "new" OpenGL versions, especially if it's not a "CAD" machine (with a separate GPU and VGA RAM) ; grid that disappears, drawing not visible, mesh superimposed on 3D objects, etc

The only way to solve that seems to use the GDI mode (it don't use OpenGL at all)

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David
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