Geojson linestring properties GeoJSON formats; Format Example; A region of space: Simple geometries with a geometry type and coordinates, supporting the types defined by the OpenGIS Simple Feature Implementation: Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, and GeometryCollection Apr 10, 2019 · Stack Exchange Network. 由 type 和 coordinates 两个属性组成： type 属性的值为 LineString; coordinates 属性的值为一个数组，数组的每个元素都是一个点的坐标; const LineStringJSON = { type: "LineString", coordinates: [ [121. Geometric objects with additional properties are Feature objects. Sets of features are contained by FeatureCollection objects. errors() returns no errors. The geometry types supported in GeoJSON are Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon and GeometryCollection. features. GeoJSON supports the following geometry types: Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, and GeometryCollection. This becomes essential when translating from complex data models, such as those commonly used in GIS systems, to a simpler, more web-friendly format. Sample GeoJSON. Features in GeoJSON contain a geometry object and additional properties, and a feature collection represents a list of features. geoJson(myGeoJsonData), // build your GeoJSON layer group. dumps, geojson. In a GeometryCollection, instead of specifying coordinates as in other geometry types, the geometry object includes a geometries property. 可视化上述示例的结果。 关于Point的一般信息可以在GeoJSON格式规范的第2. GeoJSON is based on JSON and supports the following types: Point; LineString; Polygon; MultiPoint; MultiLineString Jun 16, 2008 · GeoJSON supports the following geometry types: Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, and GeometryCollection. Mar 13, 2016 · In GeoJSON, features and feature collections have properties, Geometries don't. but the layer is completely empty, and shows no line Table 1. Dec 29, 2017 · Use the IDs to create GeoJson linestrings if the ID & same type is the same . Jun 26, 2022 · が一つのFeature です。ここで、geomtry の type は Point, LineString, Polygon および、それらを複数持つ MultiPoint, MultiLineString, MultiPolygon が定義されています。properties には、点や線の大きさ、太さ、色を指定することもできます。 Sep 27, 2019 · GeoJSON是什么. It is based on the JSON format. 2节和附录A：点中找到。 线（LineString）¶ 对类型“LineString”来说，“coordinates”成员必须是两个或多个位置的数组。 Inherits from all Base Layer and CompositeLayer properties. Features . coordinates：几何对象的坐标。 properties：描述几何对象的属性。 Jul 28, 2023 · 资源摘要信息:"geojson-coordinate-properties: GeoJSON的扩展草案，定义了沿LineString几何形状的任意属性的编码" GeoJSON是一种基于JSON的数据交换格式，用于编码地理数据结构，其扩展草案中定义了一个名为 Create a visualization with a data expression for line-color. 4837, 31. GeoJSON 形式; 形式 例; 空間の領域。形状タイプと座標を使用した簡単な形状で、OpenGIS Simple Feature Implementation によって定義されているタイプ (Point、LineString、Polygon、MultiPoint、MultiLineString、MultiPolygon、GeometryCollection) をサポート The properties object is a JSON object that can contain any number of name-value pairs, making GeoJSON flexible enough to accommodate a wide range of attribute data types and structures. Any style information is going to depend on what the renderer is, Geojson CSS seams to target SVG but you also have Carto which targets mapnik, do remember that you can add extra fields to GeoJSON and it will still validate so none of these are invalid GeoJSON. 最近使用 GeoJson 的时候总是感觉一知半解，腾出时间来翻译一遍 GeoJson 的规范，让自己理解的更透彻些。 2015 年，国际互联网工程任务组（IETF）与最初的规范作者共同组建了一个 GeoJson 工作组(GeoJSON WG) 来标… Table 1. gl's flat GeoJSON This page shows how to read/write single-line GeoJSON files and multiline GeoJSON files with Apache Sedona and Spark. Mar 12, 2008 · GeoJSON can be used to represent a geometry, a feature, a collection of geometries, or a collection of features. A complete GeoJSON data structure is always an object (in JSON GeoJSON是一种对各种地理数据结构进行编码的格式。GeoJSON对象可以表示几何、特征或者特征集合。GeoJSON支持下面几何类型：点、线、面、多点、多线、多面和几何集合。GeoJSON里的特征包含一个几何对象和其他属性，特征集合表示一系列特征。 GeoJSON supports the following geometry types: Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, and GeometryCollection. The GeoJSON standard is formally maintained by the IETF as “RFC 7946”. GeoJSONは、JavaScript Object Notation (JSON) を基礎とした，GISデータを記述するためのフォーマットです（地理空間データ交換フォーマット）。この形式では，Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, Geometry Collectionをサポートしています。 May 5, 2018 · geojson将所有的地理要素分为Point、MultiPoint、LineString、MultiLineString、Polygon、MultiPolygon、GeometryCollection。 首先是将这些要素封装到单个的geometry里，然后作为一个个的Feature（也就是要素）；要素放到一个要素集合里，从树状结构来理解FeatureCollection就是根节点 GeoJSON 是一种对地理数据结构进行编码的格式。GeoJSON对象可以表示几何信息、要素或者要素集合。GeoJSON支持下面几何类型：Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon和 GeometryCollection 。GeoJSON里的要素包含一个几何对象和属性对象，要素集合表示多个 Apr 23, 2008 · GeoJSON can be used to represent a geometry, a feature, a collection of geometries, or a collection of features. Dec 16, 2024 · GeoJSONの基本構造. 2504], ], }; MultiLineString Nov 22, 2020 · A typical example of GeoJSON LineString feature is you can add certain metadata properties to GeoJSON which will be optional and will serve just the informational purpose. Features in GeoJSON are geometry objects with additional properties. – Jun 10, 2022 · GeoJSON是一种对地理数据结构进行编码的格式。GeoJSON对象可以表示几何信息、要素或者要素集合。GeoJSON支持下面几何类型：。GeoJSON里的要素包含一个几何对象和属性对象，要素集合表示多个要素的集合。一个完整的GeoJSON数据结构总是一个JSON对象。 Add a GeoJSON line to a map using addSource, then style it using addLayer’s paint properties. Apr 20, 2022 · turf. Geometries are the central part of GeoJSON, therefore, the real world data is more than theses simple shapes having identity and attributes. Unlike WKB and WKT We would like to show you a description here but the site won’t allow us. 1. The following is an example of a valid GeoJSON file: GeoJson 的“geometry”和“properties”成员定义一个特征对象。特征集合对象和几何对象，不能包含一个“geometry”或“properties”成员。 GeoJson“ features”成员定义一个特征集合对象。 特征对象和几何对象不能包含一个“features”成员。 8 版本标识 Oct 9, 2021 · I'm using Python's GeoJSON package to created a simple LineString, put it in a Feature, and put that in a FeatureCollection I'll call featColl. It then constructs a GeoJSON Feature using the LineString and creates a FeatureCollection containing that GeoJSON supports the following geometry types: Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, and GeometryCollection. The features include points (therefore addresses and locations), line strings (therefore streets, highways and boundaries), polygons (countries, provinces, tracts of land), and multi-part collections of these types. Example GeoJSON Datasets The GeoJSON format is often a download option in geospatial data repositories, administrative open data portals, and when using certain APIs. properties の color に色を， type に表示するタイプを入れています．GeoJSON のタイプと，色によって表示するスタイルを切り替えます．マーカー，ポリライン，ポリゴンとそれぞれ処理は違いますが，マーカーの場合の処理は関数化させています． GeoJSON これまでcsv形式のオープンデータを利用してきました，よりウェブに相性が良いデータ形式があります． それが，JSON形式（. >>> Mar 2, 2015 · One way to do that is to use the data layer to load the GeoJSON, then use its methods to create the polyline from the GeoJSON: code snippet: function initialize() { // Create a simple map. Jun 4, 2023 · For example, the GeoJSON above represents a GeoJSON Point Feature representing the Museum aan de Stroom location in Antwerp, Belgium. SELECT ST_AsGeoJSON(line. Aug 13, 2016 · スタイルの適用. Should heirarchical (non-spatial) properties be allowed, or only flat "shapefile-like" structure? Dec 8, 2022 · 11 ~ 52 : GeoJSON データ 18 ~ 27 : Point レイヤー 30 ~ 34 : LineString レイヤー 37 ~ 48 : Polygon レイヤーのGeoJSON 形式のデータが入っています。 86 ~ 93 : GeoJSON 形式のデータを地図上に表示させます。 Mar 25, 2023 · As we already remember in GeoJSON there are such types: - Point 🔵 - LineString 📈 - Polygon 🟥 - MultiPoint 🔵🔴 - MultiLineString 📉📈 - MultiPolygon 🟥 🟦 Feature 🏞 Apr 11, 2023 · LineString. It defines several types of JSON objects and the manner in which they are combined to represent data about geographic features, their properties, and their spatial extents. /towns. Contribute to mapbox/simplestyle-spec development by creating an account on GitHub. There are dozens of tools and websites that happily consume and emit GeoJSON. RFC 7946 GeoJSON August 2016 3. using LineString Converting between OSM data and geoJSON. The schema can not be used to validate that linear rings are closed or that they follow the right-hand rule. Simplestyle について. getProperty('strokeColor'); All of the GeoJSON Objects implemented in this library can be encoded and decoded into raw GeoJSON with the geojson. featureを取得する場合は、features[0]で取得するかforEachで回す The LineString is useful when drawing lines on the map, such as when suggesting a route between two places. This is an array of individual geometry objects, each with its own type (e. Jun 6, 2024 · GeoJSON是一种对地理数据结构进行编码的格式。 GeoJSON对象可以表示几何信息、要素或者要素集合。 GeoJSON支持下面几何类型：Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon和GeometryCollection。 Jul 1, 2022 · GeoJSON是一种对各种地理数据结构进行编码的格式。GeoJSON对象可以表示几何、特征或者特征集合。GeoJSON支持下面几何类型：点、线、面、多点、多线、多面和几何集合。GeoJSON里的特征包含一个几何对象和其他属性，特征集合表示一系列特征。 A simple styling convention for GeoJSON data. Dec 18, 2018 · Use the style option of L. So if you like to do a track or route based on latitude and longitude for a map application - use LineString. To enforce these two elements of linear ring validation, parsers must implement their own logic on top of # Geojson特征集合数据格式： 这里重点说明的是当一份geojson数据中含有多种数据格式，点线面时，如何通过filter字段实现过滤功能。 类型筛选器 "Point" 注意传入的是字符串 "LineString" 注意传入的是字符串 "Polygon" 注意传入的是字符串 GeoJSON supports the following geometry types: Point; LineString; Polygon; MultiPoint; MultiLineString; MultiPolygon; Geometric objects with additional properties are Feature objects. Mar 23, 2015 · GeoJSON features have properties, which are JSON. While not an exhaustive list, examples of GeoJSON Datasets that are openly available include:. The value of the bbox member MUST be an array of length 2*n where n is the number of dimensions represented in the contained geometries, with all axes of the most southwesterly point followed by all axes of the more northeasterly Jul 20, 2023 · GeoJSON doesn't deal with this. Simplestyle とは Mapbox 社が公開した GeoJSON にスタイル情報を埋め込むための仕様で、GeoJSON を作成、編集できるサイト geojson. Properties can use any of the JSON datatypes: numbers, strings, booleans, null, arrays, and objects. FeatureCollection objects contain sets of features. 4k次。本文深入介绍了GeoJSON的数据格式，包括Point、MultiPoint、LineString、MultiLineString、Polygon、MultiPolygon以及GeometryCollection等地理要素的表示方法，并通过实例展示了它们在geojson中的具体使用，同时对比了与KML的表达差异。 All of the GeoJSON Objects implemented in this library can be encoded and decoded into raw GeoJSON with the geojson. 5. JSON doesn’t support every data type: for instance, date values are supported by Shapefiles, but not in JSON. GeoJSON. はじめにウェブ地図を使っていると身近な存在の GeoJSON ですが、仕様を見ていると細かい部分で知らないことが結構あったので、自分用にメモをします。基本的なところは省いて、普段あまり意識していな… Apr 15, 2023 · 情報の取得方法 FeatureCollection. Sep 7, 2015 · In my opinion the "right" way would be using properties unless you consider your timestamps to be coordinates in time-space. That means that instead of raw geometries, you would use features, actual proper objects that have geometries and optional attribute (the properties). Polygon To specify a constraint specific to Polygons, it is useful to introduce the concept of a linear ring: o A linear ring is a closed LineString with four or more positions. GeoJSON supports the following geometry types: Point, LineString, Polygon, MultiPoint, MultiLineString, and MultiPolygon. Feb 19, 2024 · "properties": {"name": "Example Feature"}}]} Convert JSON to GeoJSON Using LineString GeoJSON . default is valid in both directions. g. Mar 30, 2023 · GeoJson関数を使って、GeoJSON形式の地物データを作成し、 add_toメソッドを使って地図上に追加しています。 実行すると、以下のマップが得られます。 同様に、LineStringやPolygonのデータもGeoJSON形式で定義し、 GeoJson関数を使ってマップ上に表示することができ The bounding box of the linestring. 4737, 31. However, because you can display JSON as a python dictionary, you can just add to it using the built in dictionary and list functions. JOSM – Allows you to save to GeoJSON and re-open from it. *, 'geom', 6) -- ::JSONB FROM ( SELECT JSONB_BUILD_OBJECT( 'ids', ARRAY_AGG(id) ) AS "lineProperties", JSONB_BUILD_OBJECT( 'times', ARRAY_AGG("time") ) AS "coordinateProperties", ST_Collect(geom) AS geom FROM ( SELECT track All of the GeoJSON Objects implemented in this library can be encoded and decoded into raw GeoJSON with the geojson. Apr 7, 2021 · ST_MakeLine uses an aggregation of all POINT components of all MultiPoint geometries (created via ST_Collect) in the result set of the sub-query to create a single Linestring. 2304], [121. By using GeoJSON, rather than some other arbitrary scheme for structuring JSON, you maximize the interoperability of your JSON output. data The GeoJSONLayer accepts any of the following formats passed to the data prop: A valid GeoJSON FeatureCollection, Feature, Geometry or GeometryCollection object. The associated properties provide additional information about the museum, including its name, address, and geographic coordinates. A Function defining the Path options for styling GeoJSON lines and polygons, called internally when data is added. LineString 用来表示一条线. io 等で採用されています。 A quick, simple tool for creating, viewing, and sharing spatial data. Let me quote the documentation:. GeoJSON とは JSON によって空間情報を扱うためのファイルフォーマットです。 GeoJSON - Wikipedia. GeoJSON encoding/decoding¶ All of the GeoJSON Objects implemented in this library can be encoded and decoded into raw GeoJSON with the geojson. I tested this on a temporary scratch layer. geoJson() factory, create an equivalent GeoJSON feature with polygon geometry, and replace the looped line string by the newly created polygon within your GeoJSON layer group: var myGeoJsonGroup = L. geojson" in the save dialog (Note: JOSM currently does not save projection information, and will not warn you when opening GeoJSON files with weird projections and assumes WSG-84) Each geojson feature's properties object must contain an _id attribute (as a number) and a _cost attribute (as a non-zero number). The Geometry represents the structure and properties of a GeoJSON geometry object. 包括点（Point）、线（LineString）、面（Polygon）、多点（MultiPoint）、多线（MultiLineSting）、多面（MultiPolygon）等类型； 2. GeoJSON (Geo+ JSON ) 这个名字本身就是一个赠品。GeoJSON 是一种使用JavaScript 对象表示法(JSON) 对地理数据结构进行编码的格式。简而言之，GeoJSON 为你提供了一种简单的格式来表示简单的地理特征以及它们的非… documentation provides specifications for GeoJSON, including syntax for GeoJSON objects. Features in GeoJSON contain a geometry object and additional properties, and a: feature collection represents a list of features. In this example ,below Python script uses the geojson library to create a GeoJSON LineString from a set of coordinates [(0, 0), (1, 1), (2, 2)]. Aug 2, 2023 · Thank you, Mike! It works - if I specify my GeoJSON file as a vector source: source: new VectorSource({ format: new GeoJSON(), url:'. GeoJSON 形式; 形式 例; 空間の領域。形状タイプと座標を使用した簡単な形状で、OpenGIS Simple Feature Implementation によって定義されているタイプ (Point、LineString、Polygon、MultiPoint、MultiLineString、MultiPolygon、GeometryCollection) をサポート 表 1. How can I add this data as properties to the Feature Collection? Чтобы в дальнейшем избежать путаницы в терминах, условимся называть GeoJSON Object – объект GeoJSON, feature collection – коллекция элементарных объектов, feature – элементарный объект, geometry – геометрия. dump, geojson. Should the GML (RDF-like) Object-Property model be used instead? Should the srs be at the features level, instead of repeated for each feature? This would also force homogeneous srs-s. GeoJSON formats; Format Example; A region of space: Simple geometries with a geometry type and coordinates, supporting the types defined by the OpenGIS Simple Feature Implementation: Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, and GeometryCollection Jul 5, 2007 · GeoJSON can be used to represent a geometry, a feature, a collection of geometries, or a collection of features. TODO: list more options. Mar 15, 2023 · In GeoJSON, a LineString is a way to represent a series of connected points as a single object, making it easy to show a path or route on a map. loads functions. 1] 表示一个点位置，同理，线段由多个点组成连线，多边形由多个点组成的填充。 Last updated on September 30, 2024. The standard way to express this in GeoJson would be a Feature Collection containing a collection of features, each feature contains a point geometry and arbitrary properties. 6. Jul 7, 2022 · You can can set a data-defined-property for your line stroke color without iterating over every feature. It’s commonly used in applications such as GeoJSON 是一种对各种地理数据结构进行编码的格式，基于 Javascript对象表示法（JavaScript Object Notation, 简称 JSON）的地理空间信息数据交换格式。 GeoJSON 支持的 geometry 类型（即 feature 里的 type 值）包括： Point, LineString, Polygon, MultiPoint, MultiLineString 及 MultiPolygon. The post concludes with a summary of the benefits and drawbacks of the GeoJSON file format for spatial analyses. featColl. Apr 20, 2018 · GeoJSON 是一种对各种地理数据结构进行编码的格式。GeoJSON 对象可以表示几何、特征或者特征集合。GeoJSON 支持下面几何类型：点、线、面、多点、多线、多面和几何集合。GeoJSON 里的特征包含一个几何对象和其他属性，特征集合表示一系列特征。 Jun 3, 2020 · 1. GeoJSON is a format for encoding a variety of geographic data structures. Bounding Box A GeoJSON object MAY have a member named "bbox" to include information on the coordinate range for its Geometries, Feature s, or FeatureCollection s. Points in a Multipoint geometry all inherit the same properties of their container feature. An URL or Promise that resolves to the above formats. name parameter for each linestrin Oct 10, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand In GeoJSON format, for the coordinate property, there are four levels of depth. Apr 7, 2021 · ST_AsGeoJSON comes with a handy signature accepting RECORDs (and returning TEXT); you'd pass in your line rows having nested JSONB objects like so. How can I visualize all the linestrings, showing the properties. When I import it as a vector layer into QGIS, it opens without complaint. An example of a GeoJSON file using this structure is displayed below: この項目「GeoJSON」は途中まで翻訳されたものです。（原文：en:GeoJSON） 翻訳作業に協力して下さる方を求めています。ノートページや履歴、翻訳のガイドラインも参照してください。 Oct 29, 2019 · I'm trying to map a Multipolygon from a GeoJSON FeatureCollection I have to a property which is a NetTopologySuite type of Multipolygon. geojson', }), Now I just need to somehow specify several GeoJSON files - with different ranges of towns, which I select by clicking to display my minimap in a sidebar. load, and geojson. 6, 10. I'd like to add both lists and dictionaries to each feature. 如果你接触过数据可视化，那么大概率会知道GeoJSON。不知道？没关系，本文将为您娓娓道来！ GeoJSON是一种对各种地理数据结构进行编码的格式，基于Javascript对象表示法的地理空间信息数据交换格式。 Note that you can avoid loading the file on yourself, by providing a (local) file path or a url. , Point, LineString) and coordinates. GeoJSONでは、地図上で表示される物体（地物、オブジェクト）はジオメトリという言葉を用いて表します。7つのジオメトリ型があります。それぞれを表す地物は以下のとおりです。 Point（点） MultiPoint（点群） LineString（線） MultiLineString（線 表 1. Simply set the file extension to ". GitHubには、GeoJSONの地図表示機能があり、リポジトリにデータを配置するだけで可視化が可能です。以下では、GeoJSONで点、線、面を記述する手法について解説します。 なおGeoJSONの標準的な仕様は、RFC7946に詳しく記述されています。 GeoJSONオブジェクト GeoJSON is a geospatial data interchange format based on JavaScript Object Notation (JSON). Additionally, the following properties can be used to customize: _direction: a value of "f" indicates that the linestring is valid in the forward direction only. Note that each of these functions is a wrapper around the core json function with the same name, and will pass through any additional arguments. >>> Feb 15, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Aug 18, 2017 · I want to visualize the following GeoJSON-Object that is sent to my Leaflet/JavaScript application. io 地理空間情報(GeoJSON)の作成・編集・共有が行えるWebサービスです。 エディタを使ってマーカーの設置や、ライン(線)、ポリゴン(面)情報を作成し属性情報の編集などを行うことができます。 Mar 8, 2016 · You could detect looped line strings after they are created by the L. GeoJSON uses a geographic coordinate reference system, World Geodetic System 1984, and units of decimal degrees. nearestPointOnLine returns closest point on line to the given point as feature, where property index tells on which line string segment point was found. The geometry types supported in GeoJSON are Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, and Box. 简介 GeoJSON是一种对各种地理数据结构进行编码的格式。GeoJSON对象可以表示几何、特征或者特征集合。GeoJSON支持下面几何类型：点、线、面、多点、多线、多面和几何集合。GeoJSON里的特征包含一个几何对象和其他属性，特征集合表示一系列特征。 一个完整的GeoJSON数据结构总是一 All of the GeoJSON Objects implemented in this library can be encoded and decoded into raw GeoJSON with the geojson. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. An array of GeoJSON Feature objects. Oct 11, 2018 · I have a GeoJSON feature collection that is solely linestrings of trips. coordinates: The ordered list of positions defining the linestring. loaders. All of the GeoJSON Objects implemented in this library can be encoded and decoded into raw GeoJSON with the geojson. add the score of the matching json files up based on the score property. type: A GeoJSON type descriptor with value "LineString". Aug 16, 2021 · GeoJSONとは. Oct 19, 2015 · But, if as you imply in your title, you want to specify the colors in the GeoJSON, you can set strokeColor in the properties of the feature, then you can retrieve it with getProperty: var strokeColor = feature. Sep 9, 2021 · 文章浏览阅读1. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. Features in GeoJSON contain a Geometry object and additional properties, and a FeatureCollection contains a list of Features. js method turf. These two elements of the GeoJSON specification cannot be represented in JSON Schema. 其中 coordinates 中的 [125. “GeoJSON” is a standard for structuring JSON when encoding geometry and features. A complete GeoJSON data structure is always an object (in JSON terms). Below is the dumped GeoJSON file. TYPE: A static GeoJSON type descriptor for the LineString class to be used in runtime comparisons. Features records the geometry as well as their properties. json） です． JSONは，「じぇいそん」と読み，ブラウザで動作するプログラミング言語の JavaScript で用いられるデータ形式ですが， 現在はPythonを始めとした様々な Aug 28, 2018 · I don't know the geoplotlib library; perhaps it has a built in function to make this "Easy". geojson. The following are 11 code examples of geojson. The data being added to each feature is different for each feature, but is stored the same order as the routes. Jul 12, 2019 · A LineString is a Polyline or from Wikipedia "a curve specified by the sequence of points". e. It contains a set of points that join together, connect-the-dots style, to form a line. LineString(). yaqfgrd eldyy oudoy twekfb vgjdej kkgocck pnpi huwtkhf pqhrqev vnofwff wnwaq wrthcc eunq fgxsbe loraay