[Development] [Qt3D] Will Qt3D examples expect to run on Android?

2015-03-20 Thread Edward Sutton 
I am excited about Qt3D providing the tools to help solve a problem to help 
visualize underground utilities such as water pipes and telephone cables.

Questions:

1) The bigscene example in Qt 5.5 Alpha is a helpful starting point for me to 
understand Qt3D and use it to draw a string of pipes using QCylinderMesh 
entities.  If I could figure out how to build Qt 5.5 Alpha for Android (on OS 
X),  would bigscene be expected to run on Android?


2) Can I add a Qt3D window to an existing Qt widget form?  I am using widgets; 
no qml.  I want to let users adjust locations of QCylinderMesh entities 
representing underground pipes and obstacles.  Basically a CAE app.



Issues:

1) On OS X 10.10 a Macbook Pro 15” 2880 x 1800 Retina display, Qt3D render 
displays in the bottom-left 1/4 section of the window.  When windows is dragged 
to an external HD resolution monitor, it displays perfectly.  Any ideas?


If this is not the proper place for Qt3D please redirect me.  This is my first 
time positing.  Qt3D looks like a great potential solution to my work.

Thanks in advance,

-Ed
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Re: [Development] [Qt3D] Will Qt3D examples expect to run on Android?

2015-03-20 Thread Sean Harmer 
Hi Edward,

On Friday 20 Mar 2015 15:15:07 Edward Sutton wrote:
 I am excited about Qt3D providing the tools to help solve a problem to help
 visualize underground utilities such as water pipes and telephone cables.
 
 Questions:
 
 1) The bigscene example in Qt 5.5 Alpha is a helpful starting point for me
 to understand Qt3D and use it to draw a string of pipes using QCylinderMesh
 entities.  If I could figure out how to build Qt 5.5 Alpha for Android (on
 OS X),  would bigscene be expected to run on Android?

Yes, I believe a few people have managed to get Qt3D running on various 
Android devices. I don't have any android devices myself on which to test 
(yet).

 2) Can I add a Qt3D window to an existing Qt widget form?  I am using
 widgets; no qml.  I want to let users adjust locations of QCylinderMesh
 entities representing underground pipes and obstacles.  Basically a CAE
 app.

That should work fine by using QWidget::createWindowContainer().

If you do want to layer a Qt Quick 2 UX over the Qt3D scene then take a look 
at the scene3d example.
 
 Issues:
 
 1) On OS X 10.10 a Macbook Pro 15” 2880 x 1800 Retina display, Qt3D render
 displays in the bottom-left 1/4 section of the window.  When windows is
 dragged to an external HD resolution monitor, it displays perfectly.  Any
 ideas?

Yes, that's something we see on iOS too. We're missing the pixel scaling to 
deal with the HighDPI display. James has a WIP patch for this but it needs 
more testing.
 
 If this is not the proper place for Qt3D please redirect me.  This is my
 first time positing.  Qt3D looks like a great potential solution to my
 work.

This is the correct place to discuss issues or development aspects of Qt3D, 
for issues around using Qt3D they would be better on the interest@ mailing 
list.

I'd be happy to learn more about your particular use cases to see if there are 
any specific improvements we could feed into Qt3D to make it better.

Kind regards,

Sean
-- 
Dr Sean Harmer | sean.har...@kdab.com | Managing Director UK
KDAB (UK) Ltd, a KDAB Group company
Tel. +44 (0)1625 809908; Sweden (HQ) +46-563-540090
Mobile: +44 (0)7545 140604
KDAB - Qt Experts
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