Thanks Nikhil. This worked beautifully! -Vaidya
On Wed, Nov 30, 2022 at 1:02 PM Nikhil VJ <nikhil...@gmail.com> wrote: > Hi Vaidya, > > You might be able to skip the manual tracing process that Devdatta linked > to <https://groups.google.com/g/datameet/c/BGB-UeJqhpA/m/SFl4OgF9AgAJ> > and pull out vectors directly, if your PDFs are made that way. > > Rajesvari Parasa <https://github.com/rajesvariparasa> has successfully > turned Delhi development plan's PDF into shapefiles. > > You can read the discussion about it here: > https://groups.google.com/g/datameet/c/37uN8xnWrK0/m/2axI7AB-AQAJ > > Relevant snippet: > > 1. Extracting from PDF > - It's one of those PDFs exported from Autocad or so where you can see > multi-layers and turn them on or off. > - Rajesvari used a command-line GIS tool called "ogr2ogr" to extract > individual layers from the PDF into .geojson shapefiles. > - There was a tricky bit where the output lat-longs were all like > (716882.20,3166456.28) - a different CRS and we didn't know which. > - I used http://projfinder.com/ to find it, then Rajesvari included CRS > conversion into the ogr2ogr commands to produce proper shapefiles. > - You can see all that in this repo: > https://github.com/draftmpd41/layers_draft_delhi_master_plan_2041 - see > the .bat file for the ogr2ogr commands > > > > -- > Cheers, > Nikhil VJ > https://nikhilvj.co.in > > > On Wed, Nov 30, 2022 at 9:56 AM Devdatta Tengshe <devda...@tengshe.in> > wrote: > >> Hi Vaidya, >> >> This excellent post by Nikhil would be a good starting point: >> https://groups.google.com/g/datameet/c/BGB-UeJqhpA/m/SFl4OgF9AgAJ >> >> Regards, >> Devdatta >> >> >> On Wed, 30 Nov 2022 at 08:49, Vaidya <vaidyanatha...@gmail.com> wrote: >> >>> Hi all, >>> >>> Wanted to know if it is possible to convert maps put out in pdfs to map >>> files (shapefiles, geojsons or kml). >>> This is regarding the sewage and water lines put out by BWSSB. >>> The files can be found here: >>> https://bwssb.karnataka.gov.in/info-2/BWSSB+GIS+MAP+Information/en >>> >>> Thanks, >>> Vaidya >>> >>> -- >>> 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 datameet+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/datameet/CAHVy6PF4-%3DES_YWNgJEyi6c6G6GhMizB%2B4iL6Lm3HQjwAU8b9Q%40mail.gmail.com >>> <https://groups.google.com/d/msgid/datameet/CAHVy6PF4-%3DES_YWNgJEyi6c6G6GhMizB%2B4iL6Lm3HQjwAU8b9Q%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> 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 datameet+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/datameet/CAOQOUMvSVZ6kpq3BQh8yB9FNKGeahBEjPsVnh2wOkRB7J%2BSPLQ%40mail.gmail.com >> <https://groups.google.com/d/msgid/datameet/CAOQOUMvSVZ6kpq3BQh8yB9FNKGeahBEjPsVnh2wOkRB7J%2BSPLQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > 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 datameet+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/datameet/CAH7jeuNN4WO_-Q89pA01MBbc%3D38%3DR_uvhcpF2uAg5TD%2BY_5OdQ%40mail.gmail.com > <https://groups.google.com/d/msgid/datameet/CAH7jeuNN4WO_-Q89pA01MBbc%3D38%3DR_uvhcpF2uAg5TD%2BY_5OdQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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 datameet+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/datameet/CAHVy6PGZu%3DbVuYtL3VeCVdVDkyNRivjkMH8q-M%2Bx7G3MdVscFQ%40mail.gmail.com.
