RGeo-Users

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5/28/20

Simple question: How to transform a projected coordinate to lat/lon

Hello, I'm very new to RGeo and to Ruby in general. However I've read this blog post about

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Simple question: How to transform a projected coordinate to lat/lon

Hello, I'm very new to RGeo and to Ruby in general. However I've read this blog post about

5/28/20

6/20/19

Stumped by bundler native extension issue, help appreciated!

I asked the Bundler contributors, and they don't know what the issue could be, so I thought

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Stumped by bundler native extension issue, help appreciated!

I asked the Bundler contributors, and they don't know what the issue could be, so I thought

6/20/19

johl...@lqdigital.com, Nabil Servais2

12/7/18

Upgrading Rails and Database from nofxx postgis_adapter to rgeo/activerecord-postgis-adapter gem

Hello, I think it will not be hard to migrate, because it use postgis type and functions. Maybe you

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Upgrading Rails and Database from nofxx postgis_adapter to rgeo/activerecord-postgis-adapter gem

Hello, I think it will not be hard to migrate, because it use postgis type and functions. Maybe you

12/7/18

usman...@gems.techverx.com

11/14/18

save polygon fields

I am Ruby Engineer and I am integrating it for the very first time, can anybody tell me how to save

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save polygon fields

I am Ruby Engineer and I am integrating it for the very first time, can anybody tell me how to save

11/14/18

10/2/18

TypeError: can't quote RGeo::Cartesian::PolygonImpl

This is my gemfile rails & rgeo setup: gem 'rails', '~> 5.2.0' gem 'mysql2

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TypeError: can't quote RGeo::Cartesian::PolygonImpl

This is my gemfile rails & rgeo setup: gem 'rails', '~> 5.2.0' gem 'mysql2

10/2/18

Daniel Azuma, phil...@theodi.org3

8/2/18

Re: [RGeo-users] File conversion in Ruby Rails - Shapefile to geoJSON

I've done quite a bit of reading and research around this and I'm struggling to work out how

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Re: [RGeo-users] File conversion in Ruby Rails - Shapefile to geoJSON

I've done quite a bit of reading and research around this and I'm struggling to work out how

8/2/18

Daniel Donaldson, Barrett Clark2

3/9/18

Example of a .where query using contains for srid 3857?

I have an example that is similar: https://github.com/DataVizToolkit/departures/blob/master/app/

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Example of a .where query using contains for srid 3857?

I have an example that is similar: https://github.com/DataVizToolkit/departures/blob/master/app/

3/9/18

Greg Scarich, Barrett Clark3

3/5/18

Length (meters) of a line_string

Thank you for responding. Since my line_string is written a geojson, I would have to sort that part

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Length (meters) of a line_string

Thank you for responding. Since my line_string is written a geojson, I would have to sort that part

3/5/18

Denis Haskin, … Barrett Clark5

3/4/18

Is there a good overall tutorial and initial guide?

Hey Greg. These are some good questions. There are a lot of layers to put together. I'll start

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Is there a good overall tutorial and initial guide?

Hey Greg. These are some good questions. There are a lot of layers to put together. I'll start

3/4/18

Patrick McCarthy, Daniel Azuma2

1/12/18

RGeo::Geographic.spherical_factory doesn't allow longitude less than -90?

Latitude and longitude are in (longitude, latitude) order. Which makes sense if you think about it:

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RGeo::Geographic.spherical_factory doesn't allow longitude less than -90?

Latitude and longitude are in (longitude, latitude) order. Which makes sense if you think about it:

1/12/18

11/28/17

rgeo - moving Proj4 to a separate gem

I've submitted a pull request (currently a work in progress) to the rgeo gem to extract the Proj4

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rgeo - moving Proj4 to a separate gem

I've submitted a pull request (currently a work in progress) to the rgeo gem to extract the Proj4

11/28/17

Daryl Wilding-McBride, … Yarin Kessler3

10/9/17

Finding the point in a polyline that is closest to an arbitrary point A

The ffi interface also gives you the nearest_points method, which you can on any two geometries. On

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Finding the point in a polyline that is closest to an arbitrary point A

The ffi interface also gives you the nearest_points method, which you can on any two geometries. On

10/9/17

srs...@gmail.com

8/1/17

Mismatch in rgeo spatial distance vis-a-vis reality

I am listing out nearby options from user location, in which distance plays a major role. I chose

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Mismatch in rgeo spatial distance vis-a-vis reality

I am listing out nearby options from user location, in which distance plays a major role. I chose

8/1/17

stephen deese, … srs...@gmail.com4

7/29/17

can't get RGeo::Geos.supported? to be true

In case someone else is landing here for the same issue: It does work on windows 100%. Please follow

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can't get RGeo::Geos.supported? to be true

In case someone else is landing here for the same issue: It does work on windows 100%. Please follow

7/29/17

bernard....@gmail.com, Gledson Cruz3

7/13/17

Rails Geo Oracle

Yes. Em quinta-feira, 13 de julho de 2017 17:39:49 UTC-3, Gledson Cruz escreveu: Do you want to use

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Rails Geo Oracle

Yes. Em quinta-feira, 13 de julho de 2017 17:39:49 UTC-3, Gledson Cruz escreveu: Do you want to use

7/13/17

Barrett Clark, Court Simas2

6/1/17

Geo Distance vs ST_DistanceSphere

I, too, would love to know what's going on here. On Wednesday, March 23, 2016 at 7:46:23 PM UTC-5

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Geo Distance vs ST_DistanceSphere

I, too, would love to know what's going on here. On Wednesday, March 23, 2016 at 7:46:23 PM UTC-5

6/1/17

Christopher Würtz

5/24/17

Moving a geoPoint

Hi, I receive a database which is a set of tiles. A tile is defined by a reference geopoint: the top

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Moving a geoPoint

Hi, I receive a database which is a set of tiles. A tile is defined by a reference geopoint: the top

5/24/17

Anuj, … Naveenam K3

4/24/17

NoMethodError: undefined method `set_rgeo_factory_for_column'

I got this working by using the activerecord-mysql2spatial-adapter gem and setting my adapter in

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NoMethodError: undefined method `set_rgeo_factory_for_column'

I got this working by using the activerecord-mysql2spatial-adapter gem and setting my adapter in

4/24/17

4/15/17

Area calculation is invalid

So for some reason when I try to calculate a polygon area, the results are extremely small. >

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Area calculation is invalid

So for some reason when I try to calculate a polygon area, the results are extremely small. >

4/15/17

Stenver Jerkku2

4/14/17

How do I get the distance between multipolygon and point? How do I check if point is inside multipolygon?

Turned out the problem was that I didn't have GEOS and Proj 4 installed Installing those and

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How do I get the distance between multipolygon and point? How do I check if point is inside multipolygon?

Turned out the problem was that I didn't have GEOS and Proj 4 installed Installing those and

4/14/17

piet...@gmail.com, Peter Schmitt3

3/22/17

activerecord-postgis-adapter default value

On Saturday, August 24, 2013 at 10:07:11 AM UTC-6, piet...@gmail.com wrote: So it appears that the

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activerecord-postgis-adapter default value

On Saturday, August 24, 2013 at 10:07:11 AM UTC-6, piet...@gmail.com wrote: So it appears that the

3/22/17

Seth Siegler, Barrett Clark2

1/27/17

Find all points within a polygon

It sounds like ST_CONTAINS or ST_OVERLAPS may be the PostGIS functions that you're looking for (

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Find all points within a polygon

It sounds like ST_CONTAINS or ST_OVERLAPS may be the PostGIS functions that you're looking for (

1/27/17

1/6/17

basic factory & point manipulation questions

Hi All, First off, thank you for providing rgeo and it's affiliated gems - I am grateful for

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basic factory & point manipulation questions

Hi All, First off, thank you for providing rgeo and it's affiliated gems - I am grateful for

1/6/17

12/20/16

Can't create polygon from unclosed set of points

Following along the RGeo tutorial, I came across a discrepancy in behavior - When I tried to create

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Can't create polygon from unclosed set of points

Following along the RGeo tutorial, I came across a discrepancy in behavior - When I tried to create

12/20/16

Pratuat Amatya, … ravi.l...@nestaway.com4

11/11/16

RGeo Factories and contians? in geographic domain

Hey, did you figure out an answer for that ? On Thursday, October 30, 2014 at 4:42:16 AM UTC+5:30,

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RGeo Factories and contians? in geographic domain

Hey, did you figure out an answer for that ? On Thursday, October 30, 2014 at 4:42:16 AM UTC+5:30,

11/11/16

11/3/16

Install RGeo with PROJ4 support on Windows?

So I built PROJ4 from source on the Windows machine... output was sent to C:\special\proj4.... which

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Install RGeo with PROJ4 support on Windows?

So I built PROJ4 from source on the Windows machine... output was sent to C:\special\proj4.... which

11/3/16

Darrell Sommerlatt, Andrew Libby2

10/31/16

Rgeo to unknown data type...

It looks like well known binary (WKB), but I can't parse it with RGeo or postgis ST_GeomFromWKB()

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Rgeo to unknown data type...

It looks like well known binary (WKB), but I can't parse it with RGeo or postgis ST_GeomFromWKB()

10/31/16

3/21/16

Simple Mercator Factory Project/Unproject

Ok I figured this problem out...posting my solution here if anybody has this problem in the future.

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Simple Mercator Factory Project/Unproject

Ok I figured this problem out...posting my solution here if anybody has this problem in the future.

3/21/16

3/3/16

Distance calculations are off compared to google maps

Finally figiured out what I was doing wrong... The normal / intuitive way to describe a location is

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Distance calculations are off compared to google maps

Finally figiured out what I was doing wrong... The normal / intuitive way to describe a location is

3/3/16

Yevhenii Kurtov

2/8/16

RGeo column is deserialized as RGeo::Geos::CAPIPointImpl instead of RGeo::Geographic::SphericalPointImpl

There is an `Address` table with coordinates column class CreateAddresses < ActiveRecord::

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RGeo column is deserialized as RGeo::Geos::CAPIPointImpl instead of RGeo::Geographic::SphericalPointImpl

There is an `Address` table with coordinates column class CreateAddresses < ActiveRecord::

2/8/16

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