Hi all, I am including Mr. Joshi from Gujarat Police and who is also the head of the GIS department, Gujarat Police. He might be having some other ideas and resources.
Dear Joshi Sir, Please help the Datameet community. They are helping us to improve the openstreetmap <http://www.openstreetmap.org/relation/1949080> data for Gujarat. Your inputs will be valuable. Thank You, Shravan CEPT University On 18 January 2016 at 12:57, Dilip Damle <[email protected]> wrote: > Hi, > > I think I will share the data anyway after doing some checks. I am not > attempting the attribute linking right now because that will be a bigger > effort. > > I tried to georeference it. > My approach was as follows. > So far I have not used any transformations which distorts the shape as it > was in the PDF file. > I imported each district separately and have been able to match them with > each other to make the whole of Gujarat using only MOVE, SCALE (EQUAL XY) > and ROTATE. > Practically I used the Autocad ALIGN command. > > Which means I have exactly same shape as in PDF files. > > Then I thought I will guess the original projection and see if it matches > and then reproject it rather than Doing any rubbersheeting/other arbritrary > distortions to shape. > > I tried LCC projection for India , UTM 43N, and LL84 in that order. They > do not seem to match. > > Anyone may suggest any other possible projection. > > Otherwise I will check it and share it as it is. > > This is the summary of the Data : > > 33 districts : 114 Polylines in Autocad (because of Islands and enclaves) > 379 Taluka Polylines > 20128 Village polylines > 15804 Text names > 16137 Markers manly the Village dot. > > > > On Monday, January 18, 2016 at 12:41:51 AM UTC+5:30, Sharad Lele wrote: > >> Dilip: >> >> before you put in more effort, could you pause for 24hrs? I think I may >> have the Gujarat village boundary file for 1991 in vector >> (un-georeferenced) format. Will know by tomorrow. >> >> Sharad >> >> On 18-01-2016 00:35, Dilip Damle wrote: >> >> HI, >> >> I have been able to put together Gujarat boundaries from the PDF files in >> the links above. >> Right now it is an Autocad Drawing with Village, Taluk, and District >> boundaries. >> I will try to georeference it and share as .dwg somewhere. >> It is about 55 MB file. >> Shape file may be a long way away since there is no point in it without >> at least village name attributes. >> Links names may take take some time. Some one else also can try it may be >> faster than me. >> enclosed two snapshots. DWG file tomorrow/day after. >> I will create a new discussion thread for sharing/discussing the dwg file. >> >> >> >> >> >> >> On Friday, December 18, 2015 at 12:16:12 PM UTC+5:30, Nisha Thompson >> wrote: >>> >>> Hi All, >>> >>> There have been tons of threads on getting more local area maps. So lets >>> try to work together and get it done. >>> >>> We started a github wiki to collect links to PDFs we have found that >>> need to be digitalized. >>> >>> >>> https://github.com/datameet/maps/wiki/Maps-we-found-that-need-to-be-digitalized >>> . >>> >>> How should we do this? Who can help? >>> >>> I think we do some skill sharing hangouts on how to digitalize if people >>> are interested and slowly work on freeing sets of maps. >>> >>> What do you all think? >>> >>> Nisha >>> >>> -- >>> Nisha Thompson >>> DataMeet.org >>> [email protected] >>> skype: nishaqt >>> mobile: 962-061-2245 >>> >>> >>> -- >> Datameet is a community of Data Science enthusiasts in India. Know more >> about us by visiting http://datameet.org >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "datameet" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/datameet/WF6eTOatjZ0/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- > Datameet is a community of Data Science enthusiasts in India. Know more > about us by visiting http://datameet.org > --- > You received this message because you are subscribed to the Google Groups > "datameet" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Datameet is a community of Data Science enthusiasts in India. Know more about us by visiting http://datameet.org --- You received this message because you are subscribed to the Google Groups "datameet" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
