If I understand it right - it is master.
sam
On 2/20/2014 8:32 AM, EBo wrote:
> So is this on 2.5_branch, 2.6, or the master?
>
> On Feb 20 2014 7:29 AM, sam sokolik wrote:
>> The realtime now builds. Yay!
>>
>>
>>
>>
>>
>>
>> On 2/19/2014 3:40 PM, Robert Ellenberg wrote:
>>> Excellent! I think I fixed the build issue, and that rtapi error as
>>> well. I
>>> left an error message in there that was no longer valid, so that's
>>> been
>>> removed. To fix the build issue, I made a few tweaks to rtapi_math.h
>>> to
>>> include fmin and fmax. I don't know if this is the best long term
>>> solution
>>> since there's probably a reason it was omitted. However, since I'm
>>> using it
>>> anyway, it might as well be there for now.
>>>
>>> My next step is to squash all this down onto v2.5_branch so that it
>>> can be
>>> merged into future releases. I had some issues building v2.5_branch
>>> ('failed to remake Makefile'), but if I can get it built, it
>>> shouldn't be
>>> much work to get it running.
>>>
>>> -Rob
>>>
>>>
>>> On Wed, Feb 19, 2014 at 10:41 AM, sam sokolik
>>> <[email protected]>wrote:
>>>
>>>> I get 2 'aborting after length change!' on tort.ngc. I was
>>>> wondering
>>>> why it runs almost all paraboc blends until it dawned on me that
>>>> none of
>>>> the arc-arc, arc-line segments are coplanar.. :) The tool path and
>>>> actual path do line up now. Yay!
>>>>
>>>> sam
>>>> On 2/19/2014 7:07 AM, sam sokolik wrote:
>>>>> I do get the same (I think) fmin error on the reatime build
>>>>> though.
>>>>>
>>>>> make[1]: Leaving directory
>>>>> `/usr/src/linux-headers-2.6.32-122-rtai'
>>>>> /home/samco/linuxcnc-arc-case/src/emc/tp/tc.c: In function
>>>>> ‘tcFindBlendTolerance’:
>>>>> /home/samco/linuxcnc-arc-case/src/emc/tp/tc.c:397: error: implicit
>>>>> declaration of function ‘fmin’
>>>>> make[2]: *** [/home/samco/linuxcnc-arc-case/src/emc/tp/tc.o] Error
>>>>> 1
>>>>> make[1]: *** [_module_/home/samco/linuxcnc-arc-case/src] Error 2
>>>>> make: *** [modules] Error 2
>>>>> make: Leaving directory `/home/samco/linuxcnc-arc-case/src'
>>>>> samco@samco-desktop:~/linuxcnc-arc-case/src$ git pull
>>>>> Already up-to-date.
>>>>> samco@samco-desktop:~/linuxcnc-arc-case/src$ git describe
>>>>> v2.5.3-2703-g0b74121
>>>>> samco@samco-desktop:~/linuxcnc-arc-case/src$
>>>>>
>>>>> sam
>>>>>
>>>>> On 2/18/2014 5:29 PM, Robert Ellenberg wrote:
>>>>>> Good news, I think I've solved the drift issue. The Line-Arc case
>>>>>> didn't
>>>>>> correctly handle segments that were "consumed" (i.e. merged into
>>>>>> the arc
>>>>>> blend), so it ended up moving twice the distance needed for these
>>>>>> very
>>>>>> short segments. Now it properly removes the previous segment like
>>>>>> the
>>>>>> Line-Line case. I'll push an update shortly that fixes this issue
>>>>>> and
>>>> the
>>>>>> fmin issue. I'm not sure I can fix the little overages quite so
>>>>>> easily,
>>>>>> since they are due to imperfect tangency between the blends and
>>>>>> circular
>>>>>> segments. I've made a bunch of little tweaks that have improved
>>>>>> it
>>>>>> slightly, but there's something in the geometry I'm not
>>>>>> accounting for
>>>>>> properly. The good news is, since the violations are coming from
>>>>>> the
>>>>>> tangents, then we can fix it by scaling back acceleration if need
>>>>>> be.
>>>>>>
>>>>>> -Rob
>>>>>>
>>>>>>
>>>>>> On Tue, Feb 18, 2014 at 2:13 PM, Robert Ellenberg
>>>>>> <[email protected]>
>>>> wrote:
>>>>>>> I got that too, recently. That means I used fmin somewhere
>>>>>>> outside of
>>>>>>> tp.c. This makes me wish that rtapi_math had fmin and fmax,
>>>>>>> since I
>>>> use it
>>>>>>> so often anyway.
>>>>>>> On Feb 18, 2014 2:11 PM, "sam sokolik"
>>>>>>> <[email protected]>
>>>> wrote:
>>>>>>>> I just tried to do a realtime build.. I get these errors
>>>>>>>>
>>>>>>>> 1.
>>>>>>>> /home/samco/linuxcnc-arc-case/src/emc/tp/tc.c: In
>>>>>>>> function
>>>>>>>> 'tcFindBlendTolerance':
>>>>>>>> 2.
>>>>>>>> /home/samco/linuxcnc-arc-case/src/emc/tp/tc.c:391:
>>>>>>>> error:
>>>> implicit
>>>>>>>> declaration of function 'fmin'
>>>>>>>> 3.
>>>>>>>> make[2]: ***
>>>>>>>> [/home/samco/linuxcnc-arc-case/src/emc/tp/tc.o]
>>>> Error 1
>>>>>>>> 4.
>>>>>>>> make[1]: *** [_module_/home/samco/linuxcnc-arc-case/src]
>>>>>>>> Error 2
>>>>>>>> 5.
>>>>>>>> make: *** [modules] Error 2
>>>>>>>> 6.
>>>>>>>> make: Leaving directory
>>>>>>>> `/home/samco/linuxcnc-arc-case/src'
>>>>>>>> 7.
>>>>>>>> samco@samco-desktop:~/linuxcnc-arc-case/src$
>>>>>>>>
>>>>>>>> sam
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On 2/18/2014 10:54 AM, Robert Ellenberg wrote:
>>>>>>>>> Thanks for the additional info! I've been working on
>>>>>>>>> correcting the
>>>>>>>>> overages, which seem to come from the blend arc not being
>>>>>>>>> perfectly
>>>>>>>> tangent
>>>>>>>>> to the arc segments. As for the "drift" seen in that image,
>>>>>>>>> that's a
>>>>>>>> bigger
>>>>>>>>> issue, because it means that we're losing or gaining distance
>>>> somewhere.
>>>>>>>>> I'm 90% sure it's a simple issue with the Line-Arc case, so if
>>>>>>>>> that's
>>>>>>>> true,
>>>>>>>>> I should be able to fix it pretty easily. I've been using this
>>>> program
>>>>>>>> as
>>>>>>>>> well, which has a good combination of lines and arcs:
>>>>>>>>>
>>>>>>>>> https://www.dropbox.com/s/cae1gaez3xvi6ia/blur_torus.ngc
>>>>>>>>>
>>>> ------------------------------------------------------------------------------
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