[osg-users] computeIntersections works very strange
robert.osfield at gmail.com
Sat Jul 26 01:15:01 PDT 2008
I'm just heading off for a week, so while it would be good that I
could repair, there is absolutely no chance that I will. Yourself and
others will have to look into this issue.
You'll need to try and help pin down the failure more than just
randomly as this won't help others recreate and solve the problem,
once others can recreate the problem then they have a chance of
fixing, until then its just pot luck.
On Sat, Jul 26, 2008 at 9:02 AM, GMD GammerMaxyandex.ru
<GammerMax at yandex.ru> wrote:
> Hi, Robert.
> Described problem appears randomly. It doesn't appear in planes and in other objects it happens randomly, but in constant places. I mean if cursor falls near one point of object (hlist is empty) it will falls there again and again. It looks like objects have some defined holes (place I can't describe in details). I tried use the same scene with OSG 2.5.2 and had no problems about described 'holes'.
> I can't define reason of such behavior of LineSegmentIntersector yet, but I suppose that the problem is very serious and it would be good if you can repair it.
> Best regards, Max.
> 26.07.08, 00:02, "Robert Osfield" <robert.osfield at gmail.com>:
>> Hi Max,
>> This suggests that the changes I made to
>> osgUtil::LineSegmentIntersector to improve precision are introducing
>> problems is some corner cases.
>> Could you provide the data that causes these problems?
>> On Fri, Jul 25, 2008 at 8:20 PM, GMD GammerMaxyandex.ru
>> <GammerMax at yandex.ru> wrote:
>> > Hello. I have question about OSG v 2.5.5. In this version of OSG function viewer->computeIntersections(x,y, hlist) works very strange - when cursor movements over object is short it(cursor) falls throught the object and function returns name of object which is behind current(object over which cursor is). In earlyer(less 2.5.2) versions of OSG this error has never appeared. How can I solve this problem in this(2.5.5) version of OSG?
>> > Best regards, Max.
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