VN 2000 - projection for VietnamHi all, I am trying lớn convert WGS84 Z49 lớn VN2000 but I could not find much about VN2000 ,thoug I found some info on the http://georepository.com/transformation_5194/VN2000-to-WGS-84-1.htmlBut I don 't know how to lớn modify/create a new custom project - I tried but It did not work...Can anyone help me on that ?Thanks và Regards G.

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Dimitri7,233 post(s)
Sure. Bởi vì this:1. Carefully read http://www.dongphucmerriman.com/doc/manifold.htm#custom_coordinate_system_projection_presets.htm 2. Chú ý that you'll have khổng lồ know all relevant parameters about the new projection you want to define. You may have to vì chưng research on the web, tương tác other GIS people in your country, talk with universities, etc. It's possible somebody here already knows about that projection, but if they don't it is up khổng lồ you to bởi that research.3. Tell us how you applied the info in http://www.dongphucmerriman.com/doc/manifold.htm#custom_coordinate_system_projection_presets.htm when you tried to create a custom projection. Don't leave anything out. Tell us everything you did. 4. Don't forget lớn tell us everything about the Manifold system you are using such as version, etc.With the above we can help you add the projection you want.

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Thanks DimitriI used the parmeters mentioned in my initial liên kết (georepository see my first post -- it is similar to a Globalmapper forum http://forum.globalmapperforum.com/discussion/7130/vn-2000-grid-vietnam, thoughsome inor differences...)I used the xml template of the dongphucmerriman.com manual khổng lồ create/adapt the custom Projection. But it did not work(nothing happened when I tried to import/load it) , so I exported an existing UTM (zone 49N) & tried to lớn use it as template/guide. Then I modified according to lớn below - I could upload it but it did not work...not sure what is wrong Thanks if you have any ideasG.Dimitri7,233 post(s)
but it did not work(nothing happened when I tried to import/load it) , so I exported an existing UTM (zone 49N) & tried lớn use it as template/guide. Then I modified according lớn below - I could upload it but it did not work...not sure what is wrongI don't follow the above as "it" could mean different things. If by "it" you mean your XML customizations, those are neither imported nor loaded by you, nor are they uploaded... Instead they go into a folder and the system does all that for you. The details of what you did are important. For example, you don't mention exactly what you did with the XML, what folders were used, etc. Saying that you followed the manual is not a helpful approach as people often think they are doing that but a detailed examination of what they are actually doing indicates they are not. Instead, say clearly step by step what you are doing not leaving any details out.By the way, I don't mind offering advice but I don't have the time lớn chase links. It's up to lớn you to post that info & other info here. I note, by the way, you haven't included the info I suggested in my point 4.
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20160921ProjectionVN2000_GB.xml