[vtkusers] Issues with picking in VTK Java on Mac OS X
Kevin Milner
kmilner at usc.edu
Fri Feb 3 18:02:36 EST 2017
OK I have finally successfully rebuilt VTK with Java support from
git/master (details in below thread that I left off of the list), but
unfortunately both Picking issues still exist:
* vtkJoglPanelComponent.getRenderWindowInteractor().GetEventPosition()
still returns bogus y values (e.g. >1300 for a window of height 700)
* once the above is addressed via previously described workaround, VTK
still thinks that I clicked halfway between where I actually clicked and
the lower left corner of the window (as demonstrated in this video:
http://sendvid.com/yqz1qww2)
So unfortunately Sebastien's commit didn't solve my issues.
I'm testing on a MacBook Pro (Retina, 13-inch, Early 2013) with OSX
Yosemite 10.10.5, but have experienced the same behavior on other Macs.
Any other ideas? Any information that I can provide that would be helpful?
Thanks,
Kevin
On 02/03/2017 12:41 PM, Sebastien Jourdain wrote:
> can you try on git/master? I remember something about the wrapper that
> was buggy at some point.
>
> On Fri, Feb 3, 2017 at 1:18 PM, Kevin Milner <kmilner at usc.edu
> <mailto:kmilner at usc.edu>> wrote:
>
> I'm running into some compilation issues trying to build the
> latest version, both on the Mac and on Linux. Have you encountered
> this?
>
> VTK-7.1.0/build/java/vtk/sample/rendering/JoglConeRendering.java:77:
> error: cannot find symbol
> scalarBar.GetScalarBarActor().SetTitle("Example");
> ^
> symbol: method GetScalarBarActor()
> location: variable scalarBar of type vtkScalarBarWidget
>
> I'm using the latest JOGL jars, 2.3, specifying paths to
> jogl-all.jar and gluegen-rt.jar.
>
> Thanks,
> Kevin
>
>
> On 02/02/2017 09:35 AM, Sebastien Jourdain wrote:
>> We have, and our dashboard were producing them for a while, but
>> when we switch to buildbot all that went away.
>>
>> In fact, I would even love to publish them to maven but never get
>> funding support for it. And very few people at Kitware know how
>> to deal with Java.
>>
>> On Thu, Feb 2, 2017 at 10:30 AM, Kevin Milner <kmilner at usc.edu
>> <mailto:kmilner at usc.edu>> wrote:
>>
>> Hmm, OK, I didn't actually build the libraries (one of my
>> colleagues did), I just looked in my VTK lib folder on the
>> Mac and there were files named, for example,
>> "libvtkalglib-7.0.1.dylib", so that's where I got 7.0.1 from.
>> But they were built right around July 2016 so I imagine that
>> they don't include the fix! I'll report back tomorrow once I
>> figure out how to build it on a Mac. I'm not sure which OS
>> the Mac I'm using for testing is but I imagine that it's not
>> Sierra as it's a couple years old and likely has not been
>> kept up to date. I'm a Linux user and not up to date on
>> anything Mac related. Will report back tomorrow.
>>
>> Have you guys ever considered releasing binaries of VTK-Java?
>> Would be really helpful!
>>
>> Thanks,
>> Kevin
>>
>>
>> On 2/2/2017 9:23 AM, Sebastien Jourdain wrote:
>>> It seems like 7.1.0 does have my change but not 7.0.0. Which
>>> make me think it might be a Sierra issue if you are using
>>> 7.1 not 7.0.1 since the latter does not exist.
>>>
>>> Which OS are you on? (When you will get back to it ;-)
>>>
>>> On Thu, Feb 2, 2017 at 10:13 AM, Kevin Milner
>>> <kmilner at usc.edu <mailto:kmilner at usc.edu>> wrote:
>>>
>>> Thanks Sebastien!
>>>
>>> I'm not near a Mac today but will try rebuilding
>>> tomorrow to see if your fix does the trick. I'm
>>> currently on 7.0.1, is your patch included in the 7.1
>>> release or should I check out the latest dev version?
>>> I'll report back to the list when I find out if it works.
>>>
>>> Thanks a lot,
>>> Kevin
>>>
>>>
>>> On 2/1/2017 4:58 PM, Sebastien Jourdain wrote:
>>>> Hi Kevin,
>>>>
>>>> The issue seems to be related to the retina display and
>>>> maybe macOS sierra.
>>>>
>>>> Which version of VTK are you using? I know that I fixed
>>>> some picking issue on mac with retina display before
>>>> Sierra.
>>>>
>>>> The change I'm talking about is:
>>>>
>>>> commit b6df993770cfcd9a69a48a2730415a992d698c5b
>>>> Author: Sebastien Jourdain
>>>> <sebastien.jourdain at kitware.com
>>>> <mailto:sebastien.jourdain at kitware.com>>
>>>> Date: Fri Jul 8 09:45:58 2016 -0400
>>>> Fix VTK/Java JOGL
>>>>
>>>> - Update JOGL version to 2.32
>>>> - Update documentation on how to download the
>>>> JOGL jars with Maven
>>>> - Add support for Retina display
>>>>
>>>>
>>>> Ideally, you should make sure you have this commit in
>>>> your VTK and that is working on system older than
>>>> Sierra. Then if Sierra is the issue, I think more
>>>> advanced debugging may be require. Although, VTK
>>>> compiled on an older OS should work just fine on Sierra.
>>>>
>>>> Let me know if you find out more about it.
>>>>
>>>> Seb
>>>>
>>>>
>>>> On Wed, Feb 1, 2017 at 5:19 PM, Kevin Milner
>>>> <kmilner at usc.edu <mailto:kmilner at usc.edu>> wrote:
>>>>
>>>> Hello. I develop a VTK Java application for
>>>> visualizing georeferenced earthquake data, SCEC-VDO
>>>> (http://scecvdo.usc.edu/). One of the important
>>>> features of this software is the ability to click
>>>> on elements of the 3D view to perform actions or
>>>> view information. This works perfectly on Windows
>>>> and Linux, but does not work on Macs. I believe
>>>> that this is due to an internal bug in the Mac
>>>> version of VTK. We use the vtkJoglPanelComponent to
>>>> embed the 3D view into our Java application.
>>>>
>>>> Here is the code that I use to pick items (where
>>>> renderWindow is a vtkJoglPanelComponent):
>>>>
>>>> renderWindow.getComponent().addMouseListener(new
>>>> MouseAdapter() {
>>>> public void mousePressed(MouseEvent e) {
>>>> int[] clickPos =
>>>> renderWindow.getRenderWindowInteractor().GetEventPosition();
>>>>
>>>> int x = clickPos[0];
>>>> int y = clickPos[1];
>>>>
>>>> cellPicker.Pick(x, y, 0, renderWindow.getRenderer());
>>>> if (cellPicker.GetActor() != null) {
>>>> // do stuff
>>>> ...
>>>> }
>>>> }
>>>> });
>>>>
>>>> The first bug is that the y value of
>>>> getRenderWindowInteractor().GetEventPosition() is
>>>> just flat out wrong on the Mac (correct on Windows
>>>> and Linux). For example, if I click near the top of
>>>> my window with height 700, if will give me a y
>>>> value that is greater than 1300! It should actually
>>>> be very small, as y should be zero at the top of
>>>> the window and 700 at the bottom of the window. I
>>>> can get around this, and make it match the position
>>>> on Linux/Windows with the following fix using the
>>>> mouseEvent (e) and the height of the 3D view component:
>>>>
>>>> int height = renderWindow.getComponent().getHeight();
>>>> int calcY = (height - e.getY()) - 1;
>>>> int x = e.getX();
>>>> int y = calcY;
>>>>
>>>> Now when I click on a location in the 3D viewer,
>>>> the x/y coordinates match the results on
>>>> Linux/Windows. But picking actors still doesn't
>>>> work. Instead, VTK thinks that I have clicked
>>>> somewhere roughly between where I actually clicked
>>>> and the bottom left corner. So if I click on the
>>>> top right corner of the viewer, it thinks that I
>>>> clicked in the middle. If I click on the top left,
>>>> if thinks that I clicked middle left. If I click on
>>>> the middle of the viewer, it thinks that I clicked
>>>> 1/4 up and right of the lower left corner. I have
>>>> posted a video which demonstrates this bug:
>>>>
>>>> http://sendvid.com/yqz1qww2
>>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__sendvid.com_yqz1qww2&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ut0P5Kplo2cIO9V0et1UBQ&m=PGkWSB3OSZwzyAuWZpoUrTh6vHu2mHd7spHGazrOstc&s=dGJsjDO5nIImoI6O_DyWJiDnyBMEcib-RQEYnrPh9rY&e=>
>>>>
>>>> In this video, whatever actor is clicked turns red.
>>>> This works as expected on Windows/Linux, both with
>>>> and without the x/y fix mentioned above. Without
>>>> the previous fix on a Mac, the behavior is similar
>>>> but centered around the top left corner and
>>>> sometimes doesn't detect clicks at all (due to y
>>>> values which make no sense).
>>>>
>>>> Any ideas what could be going on? I have
>>>> experienced this behavior on all 4 Mac's on which I
>>>> have tried the software.
>>>>
>>>> Thanks,
>>>> Kevin Milner
>>>> _______________________________________________
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>
>
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