wkt Questions

4

I have some Well-known text (WKT) for representing geometry object such as Point, MultiPoint, LineString, Polygon, MultiPolygon etc. I have a multipolygon with in total 40000 Points. I have found ...
Evers asked 25/9, 2013 at 8:9

0

I just downloaded spatial information from the National Wetlands Inventory (NWI). I'm trying to manipulate the geometries in R (st_transform, st_cast, st_crop, etc.), but I've never seen a geometry...
Areopagus asked 16/8, 2021 at 23:0

6

Solved

I am building a web service that serves geographic boundary data in JSON format. The geographic data is stored in an SQL Server 2008 R2 database using the geography type in a table. I use [ColumnN...
Seriatim asked 28/6, 2011 at 12:53

2

Solved

I am having a json object as area : CIRCLE (28.625360369528934 77.2227479486792, 3135.6) how to parse it using WKTreader?
Handle asked 19/1, 2017 at 20:32

4

Solved

It seems like besides using WKT and the GeomFromText function, MySQL support an other method of creating geometries. The function POINT() is used in the examples in the documentation, but I can not...
Lorant asked 13/7, 2013 at 21:18

1

Solved

I'm using pandas, and a dataset I obtained has a location column in a WKT format. For example: hospital.get_value(1,'WKT') POLYGON ((-58.4932 -34.5810,-58.4925 -34.5815,-58.4924 -34.5817)) Ther...
Sidsida asked 24/9, 2017 at 15:26

2

Solved

I'm trying to get GeoJSON linestring format using awesome PHP-Database-GeoJSON library from here https://github.com/bmcbride/PHP-Database-GeoJSON but for now without any luck I was successful wit...
Become asked 20/1, 2016 at 21:35

3

Solved

I have a Shapefile that contains several thousand polygons. I need to read from this file in C# and output a list of WKT formatted strings. I looked at DotSpatial and the "CatFood" ESRI Shapefile...
Aholla asked 21/2, 2013 at 0:15

5

Solved

I have data in this format: POINT(73.0166738279393 33.6788721326803) MULTILINESTRING((73.0131224998036 33.679001500419,73.0119635003153 33.678392400389,73.0119205001311 33.6783781002692),(73.01312...
Wove asked 11/9, 2012 at 11:22

1

I have a column of WKT POLYGON values in MySQL (I inherited the db). The polys are queried and rendered on Google Maps. Since Google Maps polygon overlay requires an array of points, the previous u...
Flavour asked 22/7, 2011 at 22:31

1

Solved

I have Rails with PostGIS, activerecord-postgis-adapter and rgeo-geojson running. At the moment I can use default "object.json" URLs to get a JSON string with WKT/WKB format. It looks like this: ...
Barber asked 31/10, 2012 at 10:26

1

Solved

There is complex GeometryCollection in geo-json format. It contains points and polygons. Is there any well known .net library that can help convert it to Wkt format? {"geometries":[{"coordinates":...
Hendrickson asked 8/12, 2012 at 3:28

1

I found in here this document. I read it but I keep wondering how to define a Polygon with 3 rings in WKT?
Feinstein asked 15/11, 2011 at 16:32
1

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