Hi Emmor, You can turn on the grid display using the map at plus.codes/map/. As you zoom the grid redraws to more or less detail. We're also working on other material but I can't give timelines yet.
Ngā mihi, Doug Rinckes, Technical Program Manager, Google Switzerland GmbH; 9GHJ+P88 Z ürich <https://www.google.com/maps/search/9GHJ%2BP88%20Zürich> On 6 March 2018 at 18:56, Emmor Nile <emmor.n...@gmail.com> wrote: > Plus Codes appears to be a promising tool to help people locate themselves > on the planet. It looks much better than other systems like W3W, MGRS, & > Maidenhead. > I approach this as a Geospatial professional and don't quite understand > the structure yet. > Are there some graphics showing the OLC nested structure? The code isn't > helping my understanding. > I would like to be able to download GIS polygon layers of the 4, 6, and 8 > digit codes. > > Emmor > > On Monday, October 23, 2017 at 3:55:08 AM UTC-7, Doug Rinckes wrote: >> >> Yes, or you can do it just with a couple of loops and you might not need >> the library at all. The grid size is defined in degrees, so if you wanted >> the xxxxxxxx+xx grid between 40 and 41 degrees latitude, and -122 and -121 >> degrees longitude, you just need a grid spaced at 0.000125 degree intervals: >> >> for lat = 40; lat <= 41; lat = lat + .000125 { >> for lng = -122; lnt <= -121; lng = lng + .000125 { >> // lat & lng denote the SW corner of a .000125x.000125 degree area >> for 10 digit OLC resolution >> } >> } >> >> A couple of points: >> >> - if you want to draw a grid, your file will be much smaller if you >> use lines than if you use polys. A single 20x20 grid needs 42 lines, but >> 400 square polys. >> - depending on the programming language, it turns out that adding >> .000125 to a number 8000 times may experience rounding errors (hi, >> javascript!) making it very slightly less or more than the amount in the >> loop. You should be able to ignore this if you change the condition in the >> loop to something like lat <= (41 - 1e-10) >> >> >> >> >> Doug Rinckes, Technical Program Manager, Google Switzerland GmbH; >> 9GHJ+P88 Zürich <https://www.google.com/maps/search/9GHJ%2BP88%20Zürich> >> >> On Mon, Oct 23, 2017 at 11:55 AM, Pablo <geogra...@gmail.com> wrote: >> >>> Ok. >>> I was thinking on something like download by OLC accuracy level, and get >>> a GIS vector file with more or less polygons /points depending on this >>> level (11, 10, 8...) >>> As I understand, by the moment the only way I can get it is specifying a >>> network of points, and generating it by myself with the libray, isn't >>> it? >>> >>> Thanks >>> >>> >>> 2017-10-23 11:41 GMT+02:00 Doug Rinckes <drin...@google.com>: >>> >>>> Phil's right - downloading "the grid" for an area is a bit tricky, but >>>> one thing we have been working on is providing a KML network link >>>> <https://developers.google.com/kml/documentation/kml_tut#network-links>, >>>> so that apps that support KML, like Google Earth, will be able to show a >>>> grid that depends on the zoom/area. >>>> >>>> This isn't yet ready to push out but here's a couple screenshots: >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> Doug Rinckes, Technical Program Manager, Google Switzerland GmbH; >>>> 9GHJ+P88 Zürich >>>> <https://www.google.com/maps/search/9GHJ%2BP88%20Zürich> >>>> >>>> On Mon, Oct 23, 2017 at 11:06 AM, Philip Newton <philip...@gmail.com> >>>> wrote: >>>> >>>>> On 23 October 2017 at 10:46, Pablo Pardo <geogra...@gmail.com> wrote: >>>>> > I as wondering if is >>>>> > possible to download all the grid in any GIS format (KML, geoJSON...) >>>>> >>>>> That's a bit like asking whether it's possible to download the >>>>> longitude-and-latitude grid, isn't it? >>>>> >>>>> The OLC grid is arbitrarily fine depending on how many symbols you >>>>> use, pretty much like the longitude-and-latitude grid; you would have, >>>>> for example, lines at not only 4° E and 5° E but also at 4.5° E, 4.05° >>>>> E, 4.005° E, 4.0005° E etc. etc. >>>>> >>>>> Cheers, >>>>> Philip >>>>> -- >>>>> Philip Newton <philip...@gmail.com> >>>>> >>>>> -- >>>>> Public site: http://www.openlocationcode.com/ >>>>> Github project: https://github.com/google/open-location-code >>>>> Demo site: http://plus.codes/ >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "open-location-code" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to open-location-code+unsubscr...@googlegroups.com. >>>>> To post to this group, send an email to open-loca...@googlegroups.com. >>>>> Visit this group at https://groups.google.com/group/open-location-code >>>>> . >>>>> To view this discussion on the web, visit >>>>> https://groups.google.com/d/msgid/open-location-code/CA%2Bcw >>>>> Sm8TFwwfpHVuGFicoj6qhYmUVmkW4e8LT4QT%2BLyocfb0Kg%40mail.gmail.com. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> >>> -- >>> Public site: http://www.openlocationcode.com/ >>> Github project: https://github.com/google/open-location-code >>> Demo site: http://plus.codes/ >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "open-location-code" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to open-location-code+unsubscr...@googlegroups.com. >>> To post to this group, send email to open-loca...@googlegroups.com. >>> Visit this group at https://groups.google.com/group/open-location-code. >>> To view this discussion on the web, visit https://groups.google.com/d/ms >>> gid/open-location-code/CABZZnDroYtX8V8M4uivfWsQj7fBhEBv9% >>> 3DL9gH7Hnm_37UKtqrA%40mail.gmail.com >>> <https://groups.google.com/d/msgid/open-location-code/CABZZnDroYtX8V8M4uivfWsQj7fBhEBv9%3DL9gH7Hnm_37UKtqrA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > Public site: http://www.openlocationcode.com/ > Github project: https://github.com/google/open-location-code > Demo site: http://plus.codes/ > --- > You received this message because you are subscribed to the Google Groups > "open-location-code" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to open-location-code+unsubscr...@googlegroups.com. > To post to this group, send email to open-location-code@googlegroups.com. > Visit this group at https://groups.google.com/group/open-location-code. > To view this discussion on the web, visit https://groups.google.com/d/ > msgid/open-location-code/6345cfd6-d8c9-48cd-a1f5- > 4ecdd75054db%40googlegroups.com > <https://groups.google.com/d/msgid/open-location-code/6345cfd6-d8c9-48cd-a1f5-4ecdd75054db%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- Public site: http://www.openlocationcode.com/ Github project: https://github.com/google/open-location-code Demo site: http://plus.codes/ --- You received this message because you are subscribed to the Google Groups "open-location-code" group. 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