BWSSB line files in kml format have been hosted on Opencity (along with original pdf) for anyone who wants to download: Water line maps: https://data.opencity.in/dataset/bwssb-water-supply-lines-map-of-bengaluru Sewerage line maps: https://data.opencity.in/dataset/bwssb-sewerage-line-maps-for-bengaluru
Thanks, Vaidya On Wed, Nov 30, 2022 at 4:30 PM Vaidya <vaidyanatha...@gmail.com> wrote: > 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/CAHVy6PH8y6dMU64Pqrdb6X67ivggit1A40USRqC8rhUGtVR7-g%40mail.gmail.com.
