Hi Sarah
I am not so much into the details of how the converter works, but I hope my
answers will be correct 
Firstly I would like to explain how the C3D2Any converter works:
1 it will convert the c3d file to anyscript replicating the data structure
of the C3D. if the C3D file contains gap these will be replicated in the new
Anyscript files.
2 the converter automatically creates a model which makes use of the data in
the C3D data structure. This is just a bunch of segments driven by
interpolation functions which gets their data from the C3D data section, the
interpolation functions are defined in the MarkerMover.any file.
Q1: Depending on the interpolation function used in the MarkerMover file you
will see slightly different results, but if the marker data is zero for some
points, it will move to zero….
Q2: Sometimes these data files are so large that the editor gets confused
and can not point to the right location of the error. Most likely it is due
to one of the names of your markers containing a special character. In such
cases usually I simply out comment large part of this file and in this way
work my way to the location of the error, in the this process you will also
need to exclude the markerlistinclude.any file because it will make use of
some of the data you outcomment. Once you have located the error you include
this file again and correct the name giving the problem in this file too.
Q3: sure, this is just a matter of controlling the values of tStart and tEnd
in your study, the converter will automatically set the tStart and tEnd
values for the entire data cycle, but you can just edit these to fit your
particular need.
As I said most likely the load error is related to naming of one of the
markers, it can be a space, special character such as / + - or similar, this
will not be accepted by the AnyScript parser. Please make sure that you are
using the newest version of the converter please see posting #2465. As I
recall it one of the later changes to this application has been related to
exactly these kinds of issues, so it will detect these forbidden characters
automatically and replace them.
Have a nice weekend
Best regards
Søren, AnyBody Support
From: anyscript@yahoogroups.com [mailto:anyscript@yahoogroups.com] On Behalf
Of Sarah R. Sullivan
Sent: 09 October 2008 23:54
To: anyscript@yahoogroups.com
Subject: [AnyScript] c3d2any Question
I am working with a shoulder model that I had completed last year
using kinematics and kinetics data that I had manually manipulated
(without the assistance of the c3d2any converter). I am now trying
to replicate my data using the c3d2any converter, however I am having
some problems and I have a couple of questions:
1.) For example, if your Vicon data has been gap-filled except for at
the beginning of the file and there remain a few gaps (i.e. it hasn’t
been fixed with BodyBuilder), will the computer read these gaps and
just not move the marker for those 10 frames or so? Or does the
model start moving the marker with the first data points it finds,
even if that point may be ten frames in front of where it is supposed
to be (thus making that marker ahead of the rest of the body markers
for the duration of the experiment).
2.) I keep getting the output: ERROR(SCR.PRS11) : C:\Documents and
Settings\sdubowsky\Desktop\Repository.7\Repository7\Repository7
\Application\Examples\Axle-Adjustment_c3d2any\AA_AR.PointsMarkers.any
(15) : ‘/’ unexpected
Model loading skipped
And I can’t get my model to load. The error is in one of the created
c3d files, and when I open it I can’t find an “/” anywhere so I don’t
see where the error is coming from.
3.) If I have 2400 data points, but I only want to look at the middle
third of them (maybe for example the first couple of frames are cut
off), is there a way to load the entire c3d file and only analyze the
middle third of the file?
Right now I have taken a base model and am trying to slowly work
through driving the model with angular velocities and replacing those
by driving the model fully with markers. However like I said, I
can’t even get the model to load.
I’m looking forward to your suggestions or perhaps where you can
point me to find some answers.
Thank you for your time,
Regards,
Sarah
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