Dear Patrick, I apologise for the late reply. The software I used to do the procedure is Geomagic Studio, version 2012, 64-bits.
Best wishes, Viviana 2016-09-19 5:19 GMT-03:00 lv xiao <lxia...@gmail.com>: > Hi Dr. Viviana, thank you very much for your exposition. I noted that > there are several softwares in Geomagic, such as Geomagic Design, Geomagic > Freeform, and Geomagic Wrap. May I know which Geomagic software did you > use? Thank you very much! > > Best regards, > Patrick WEN > > On Wednesday, 14 September 2016 18:11:12 UTC+8, mtoroibacache wrote: >> >> Dear Colleagues, >> >> I really appreciate your help with this. Indeed, there is a bit of >> everything you mentioned in both the problem and the solution. I will try >> to summarise it in case it can help someone else: >> >> - File names: Indeed I had problems in the past with .obj files whose >> names had spaces, as Thomas mentioned. This was not the case though (I >> learned my lesson), but it could happen to someone else. >> >> - Lack of software to do this in a very reliable way: as Bill mentioned, >> there might be issues with accuracy by transforming an .obj with texture to >> a coloured .ply. I will explore the use of Blender directly in .obj files >> for landmark placing. I am not too worried about my data as the landmark >> configuration corresponds to human faces (the texture will guide me in >> placing landmarks in some curved places), where in my experience geometry >> dimensions exceed small inaccuracies. But it is definitely something to >> bear in mind. Of course, I shall run tests to assess the effect of >> measurement error on my data. >> >> - The .obj texture files: a big problem seemed to be that the original >> data had three .jpg files depicting texture. As Pablo mentioned, the >> "standard" texture should be one file. So... >> >> - ... Geomagic comes to rescue (maybe Blender does this too?): Anneke >> suggested to use Geomagic, which indeed helps a lot. Antonio took my files >> and helped me to generate in Geomagic the single-.png-file texture, which >> can then be used to produce coloured .ply and .wrl files in Meshlab that >> can be opened in Avizo (.wrl, for which an extra step in Geomagic is >> needed), and in the R packages Geomorph and Morpho for landmark placing. >> >> About Joes's comment, I do not believe .stl can hold colours, but I do >> not have too much experience with the .stl format. The .obj format (as well >> as .ply) has a relatively simple structure that describes the position in >> space of faces and vertices plus other stuff and can be created "by hand" >> using a text editor such as Notepad (I am sure you might have checked this >> but just in case https://en.wikipedia.org/wiki/Wavefront_.obj_file). I >> have written .ply files in the past that worked very well for doing >> morphometric analyses in R. >> >> So, again thanks everyone for all the help! >> >> Best wishes, >> Viviana >> >> >> 2016-09-07 21:35 GMT+02:00 pablo.diaz.jarufe <pablo.di...@gmail.com>: >> >>> Hello Viviana >>> Working with DAVID I noticed that the textures of the OBJ files. are >>> saved in PNG format, not in JPG; and all the views are in the same >>> file. There is any way to create this kind of PNG. file with your >>> pictures?. May be this correction could work fine in meshlab. >>> I hope this information will be useful >>> Best >>> >>> >>> El jueves, 1 de septiembre de 2016, 8:31:47 (UTC-3), mtoroibacache >>> escribió: >>>> >>>> Deal Morphometricians, >>>> >>>> I have .obj files with textures from three .jpg photos. I can load and >>>> see the textures very nicely in Meshlab, but I need the textures to be >>>> transformed into a coloured .ply file to do geometric morphometric analyses >>>> (the landmarks are represented in the textures). So far it has not worked >>>> doing it from Meshlab, so my questions are: >>>> >>>> - I know I can place landmarks in Meshlab using the .obj file, but when >>>> I do it, the software crashes. any thoughts? the .obj file is 16 Mb big. Is >>>> there a limit to files size in Meshlab? I would rather not to downsample >>>> the mesh to not lose anatomical details. >>>> >>>> - When using the Transfer Texture to Vertex Color function, the texture >>>> gets messed. It seems from web forums that Mshlab takes only one of the (in >>>> this case) three .jpg files to do the colouring of the .ply mesh. Does >>>> anybody know how to fix this? Another freeware software? >>>> >>>> - Is there any landmark acquisition software that loads .obj files with >>>> textures? So far, I have not been able to do it in Landmark Editor, Evan >>>> toolbox, Avizo, Morpho nor Geomorph. >>>> >>>> Any help is greatly appreciated. >>>> >>>> Best (y saludos), >>>> Viviana >>>> >>>> >>>> >>>> -- >>>> >>>> *Viviana Toro-Ibacache DDS MSc PhD* >>>> Profesora Asistente *(Assistant Professor)* >>>> Centro de Análisis Cuantitativo en Antropología Dental (CA2) >>>> Unidad de Anatomía, Instituto de Investigación en Ciencias Odontológicas >>>> Facultad de Odontología Universidad de Chile >>>> >>>> Dirección: Sergio Livingstone Pohlhammer 943 >>>> *(address)* Independencia, Región Metropolitana >>>> Chile >>>> Email: mtoroi...@odontologia.uchile.cl >>>> Web: www.researchgate.net/profile/Viviana_Toro_Ibacache/ >>>> www.cienciaymemoria.cl/staff.html >>>> >>> -- >>> MORPHMET may be accessed via its webpage at http://www.morphometrics.org >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "MORPHMET" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to morphmet+u...@morphometrics.org. >>> >> >> >> >> -- >> >> *Viviana Toro-Ibacache DDS MSc PhD* >> Profesora Asistente *(Assistant Professor)* >> Centro de Análisis Cuantitativo en Antropología Dental (CA2) >> Unidad de Anatomía, Instituto de Investigación en Ciencias Odontológicas >> Facultad de Odontología Universidad de Chile >> >> Dirección: Sergio Livingstone Pohlhammer 943 >> *(address)* Independencia, Región Metropolitana >> Chile >> Email: mtoroi...@odontologia.uchile.cl >> Web: www.researchgate.net/profile/Viviana_Toro_Ibacache/ >> www.cienciaymemoria.cl/staff.html >> > -- > MORPHMET may be accessed via its webpage at http://www.morphometrics.org > --- > You received this message because you are subscribed to the Google Groups > "MORPHMET" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to morphmet+unsubscr...@morphometrics.org. > -- *Viviana Toro-Ibacache DDS MSc PhD* Profesora Asistente *(Assistant Professor)* Centro de Análisis Cuantitativo en Antropología Dental (CA2) Unidad de Anatomía, Instituto de Investigación en Ciencias Odontológicas Facultad de Odontología Universidad de Chile Dirección: Sergio Livingstone Pohlhammer 943 *(address)* Independencia, Región Metropolitana Chile Email: mtoroibaca...@odontologia.uchile.cl Web: www.researchgate.net/profile/Viviana_Toro_Ibacache/ www.cienciaymemoria.cl/staff.html -- MORPHMET may be accessed via its webpage at http://www.morphometrics.org --- You received this message because you are subscribed to the Google Groups "MORPHMET" group. To unsubscribe from this group and stop receiving emails from it, send an email to morphmet+unsubscr...@morphometrics.org.
