geojson

update properties of geojson to use it with leaflet

杀马特。学长 韩版系。学妹 提交于 2019-12-18 05:25:06
问题 I have a requirement of using leaflet.js to add a map to my site. The site has an administration view where an admin can add markers and add description and image to each marker. I used the leaflet.draw plugin, and on the create event I try to update the GeoJSON object I got using event.layer.toGeoJSON() to add some properties like image and text but with no luck. Can any one help me on this? var osmUrl = 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', osmAttrib = '© <a href="http:/

Folium Choropleth + GeoJSON raises AttributeError: 'NoneType'

ⅰ亾dé卋堺 提交于 2019-12-18 05:02:21
问题 I'm trying to do a choropleth using folium which offers a great link between GeoJSON, Pandas and leaflet. GeoJSON format is like below : { "type":"FeatureCollection", "features":[ { "type":"Feature", "geometry": { "type":"Polygon", "coordinates":[[[-1.6704591323124895,49.62681486270549], ..... { "insee":"50173", "nom":"Équeurdreville-Hainneville", "wikipedia":"fr:Équeurdreville-Hainneville", "surf_m2":12940306}}, Pandas DataFrame : postal_count.head(5) Out[98]: Code_commune_INSEE CP_count 0

How to divide a map into zipcodes using d3, javascript, and a json file?

谁说胖子不能爱 提交于 2019-12-17 19:25:18
问题 I'm trying to create a nyc map with zipcode areas I can color in based on census data (like color an area red if majority white or blue if majority nonwhite). I am simply using one of the shape files I found online from here ( https://data.cityofnewyork.us/Business/Zip-Code-Boundaries/i8iw-xf4u/data ). I converted the shp file to a geojson and then a topojson file. I'd appreciate it if someone could look at my code below, and let me know how I can go about doing this. Code: <!DOCTYPE html>

How to interact with leaflet marker layer from outside the map?

爷,独闯天下 提交于 2019-12-17 15:15:01
问题 I have a leaflet map showing points for public art pieces, rendered from GeoJSON. Next to the map, I created a list of the pieces from the same GeoJSON data and want to be able to click on an item from the list outside of the map and have the related marker's popup come up on the map. How can I link the list of items to their respective markers through a click event? My map.js file looks like this: var map; var pointsLayer; $(document).ready(function () { map = new L.Map('mapContainer'); var

How do you add GeoJsonTooltip to folium.Choropleth class in folium?

久未见 提交于 2019-12-14 02:19:51
问题 I have two choropleth layers in which I would like to add GeoJsonTooltip to but I keep receiving error TypeError: __init__() missing 1 required positional argument: 'text' My current code is as follows. import folium import pandas as pd import json df_theft = pd.read_csv('PA_Theft.csv') df_assualt = pd.read_csv('PA_Assualt.csv') theft_json = json.load(open('theft_geojson.json')) assualt_json = json.load(open('assualt_geojson.json')) m = folium.Map(location=[41.20, -77.50], tiles="cartodbdark

Issue on trying to query GeoJson multipolygons in SQL Server 2016

末鹿安然 提交于 2019-12-14 02:09:21
问题 I am trying to run a query (which I gleened from here) against GeoJson multipolygon data. It processes many of the spatial records but is stopping on a some. I get the following error in the query messages: Msg 6522, Level 16, State 1, Line 10 A .NET Framework error occurred during execution of user-defined routine or aggregate "geography": System.FormatException: 24142: Expected "(" at position 15. The input has ",". System.FormatException: at Microsoft.SqlServer.Types.WellKnownTextReader

Is there an R function for checking if a specified GeoJSON object(polygon or multi-polygon) contains the specified point?

左心房为你撑大大i 提交于 2019-12-14 01:26:29
问题 I have an array of point { "Sheet1": [ { "CoM ID": "1040614", "Genus": "Washingtonia", "Year Planted": "1998", "Latitude": "-37.81387927", "Longitude": "144.9817733" }, { "CoM ID": "1663526", "Genus": "Banksia", "Year Planted": "2017", "Latitude": "-37.79582801", "Longitude": "144.9160598" }, { "CoM ID": "1031170", "Genus": "Melaleuca", "Year Planted": "1997", "Latitude": "-37.82326441", "Longitude": "144.9305296" } ] } and also an array of Geojson polygon in the same form as shown below: {

Leaflet GeoJSON is is possible to crop a line feature before it reaches its destination?

冷暖自知 提交于 2019-12-13 22:19:46
问题 Is there a simple way to shorten lines on a GeoJSON layer? I have a line, it goes from point A to point B. I want the line to stop the radius of a marker short of it's terminus. Is that possible? Kind of like an offset from the line terminus/origin. Here is an example: I have icons that are 50 x 50, but semi transparent (see image) and I have lines that go to the Lat/Long of the icons, but I want to try cropping or offsetting the line before it enters the icon, so you can't see the line under

Angularjs, cannot pass data to geojsonLayer Leaflet

北城以北 提交于 2019-12-13 22:11:58
问题 So i try to create directive for leaflet.js, when i use factory inside directive, everything works just fine (function() { 'use strict'; angular .module('directoryAppMap') .directive('leafletDirective', function (Directory) { return { restrict: 'EA', template:'<div></div>', link: function (scope,element, attrs) { var map = L.map(attrs.id, { center: [40, -86], zoom: 2 }); //create a CloudMade tile layer and add it to the map L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {

Plotting geojson points in html

拜拜、爱过 提交于 2019-12-13 18:42:43
问题 I am creating a webmap similar to the example here example, but with my data. My geojson points won't display like the examples, here's what my geojson file points.geojson looks like: { "type": "FeatureCollection", "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } }, "features": [ { "type": "Feature", "properties": { "RENTAL_ID": 146057249, "CUSTOMER_I": 2256099, "LOCATION": "Boston", "VEHICLE_VI": "FHB 1675", "START_DATE": "2017\/03\/1 00:03:00", "END_DATE_L"