Hi Alfred, thanks for your kind support on the multi-marker issue. I tried that before I asked the question on multi-marker tools, but I didn't manage to define such a file. I guess it was because my black parts of both markers were not exactly aligned. I will retry to define such a file.
Best Michael 2010/5/31 Alfred Franz <[email protected]> > Hi Michael, > > you talk about a tool with two markers so I assume you talk about a so > called "multifacet tool" (cf. MicronTracker Developer Manual). Multifacet > tools are directly supported by the MicronTracker and accordingly also by > MITK. But you have two define one toolfile with multiple markers (also > called facets by claron technology) and not two toolfiles. Definition of > multifacet tools can be done with the MicronTracker demo application by > claron technology which is delivered with the MicronTracker. You have to > define one facet at first, hide the other facet at this time. Then open the > view to the second facet, klick "additional facet" and define the second > one, also have a look at the attached screenshot to see the option. You now > have one toolfile for a multifacet tool which you can easily use with MITK. > > Greets, > > Alfred > > Wegner Ingmar schrieb: > >> >> >> Hi Michael, >> >> yes, the world coordinate system in MITK is in mm, so the positions you >> get are first in Microntracker coordinate space and then can be mapped to >> mitk world coordinate space (by landmarktransform). >> >> >> How does your tool look like? Your have two markers taped to it? Your tool >> definition file should then contain the information of both markers. >> Furthermore, did you ask for the calibration of the two cameras or for >> tracking a tool with two markers? >> >> For a more detailed answer I will send the message to a colleague who is >> expert in creating Micron Tracker tool definition files. >> >> Best Regards, >> >> Ingmar >> >> >> >> *Von:* Michael Kirches [mailto:[email protected]] >> *Gesendet:* Mittwoch, 26. Mai 2010 14:26 >> *An:* Wegner Ingmar >> *Cc:* [email protected] >> *Betreff:* Re: [mitk-users] Tracking tools with multiple markers >> >> >> Dear list, dear Ingmar, >> >> I use an optical tracking system; it is MicronTracker. I forgot to mention >> that, sorry. >> I'd like to add another question. What is the unit of measurement for >> positions in space. I assume it is millimeters? >> >> Best regards >> >> Michael >> >> 2010/5/26 Wegner Ingmar <[email protected] <mailto: >> [email protected]>> >> >> >> Dear Michael, >> >> >> to help you we need information about the kind of tracking system you are >> using (Micron Tracker?). >> >> >> Best Regards, >> >> Ingmar >> >> >> *Von:* Michael Kirches [mailto:[email protected] <mailto: >> [email protected]>] >> >> *Gesendet:* Mittwoch, 26. Mai 2010 13:53 >> *An:* [email protected] <mailto: >> [email protected]> >> >> *Betreff:* [mitk-users] Tracking tools with multiple markers >> >> >> Dear list, >> >> I want to track a tool with two markers attached to it. Since calibration >> only works with one marker at a time, I have two calibration files. Is there >> a possibility in MITK-IGT to define a tool that uses two calibration files, >> or do I have to define one tool for each marker I's like to track? >> >> Best >> Michael Kirches >> >> >> >> >> -- >> Michael Kirches >> >> > -- Michael Kirches
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