I am trying to make this map of the us scale smaller. Either to my SVG, or even manually.   This is my code in its simplest from:  function initializeMapDifferent(){     var svg = d3.select("#map").append("svg")         .attr("w...
I would like to load two geojson layers to my map and be able to style them independently with different rules.  I can display both my geojson files with the below code, but since they are both part of the same map.data object I have only been able t...
I apologize if this is basic, but I have very limited javascript knowledge.  I'm making a map that loads GeoJSON data that I created in ArcGIS reformatted to GeoJSON using ogr2ogr.  I've got the map loading and showing the point markers from...
I am starting to use the Google Map Javascript API V3 and wish to display markers on a map, using GeoJSON. My GeoJSON is as follows:  {     "type": "FeatureCollection",     "features": [         {             "type": &...
I'm working with a variation of Bostock's Quantile Choropleth.  I've have successfully scaled the projection and integrated my own data. I am also currently filtering the json counties data to only include county ids starting with the sta...
I'm triying to display on my map specific value ( data.geojson) of my geojson file with buttons. (for exemple to plot a map with only value "domaine":"violences   ")  I am loocking for a way to rely my data ("domaine":"...
I am creating a map of a particular state, I have been experimenting with d3.js and topojson and have created a great map, but now I want to add a marker on the map.  But now I have problems because as I add the marker have a GeoJSON file to add mark...
I have encountered a task, that requires usage of leaflet js library with geojson as data storage. And almost immediately, following problem being encountered: polygon created from geojson object doesn't display on map. While polygon, created by...
I would like to know the simplest javascript method for removing duplicate values (coordinates) from a large GeoJSON collection (approx 100k lines). After removing the duplicate values I would like to log the updated collection to the console or disp...
We have a Leaflet Map which we are trying to build using GeoJSON.  Our data comes in from a live stream, so we start out by initializing the GeoJSON with empty data:  var myLayer = L.geoJson([], {   style: function(feature) {     var color = getDatab...

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