I am using a tutorial to learn how to generate maps in D3.v3, but I am using D3.v4. I am just trying to get some circles to appear on the map (see below). The code works except that the circles are over Nevada and should be in the Bay Area. I imagine...
I am working with choropleth charts in plotly.js.  Is there a way to get the colorbar scale to display horizontally at the bottom of the chart instead of vertically along the right or left sides?    For reference, check out the first example given at...
I don't need the city or address, just the state. And I don't want to make an API call if possible. The priority is a light-weight solution, ideally just Javascript.  I have a user-input zipcode, and I want to display a paragraph of text depe...
I am trying to produce a visualisation involving a map of the UK and all of it's ~650 electoral constituencies. I have drawn the map by following this excellent tutorial http://bost.ocks.org/mike/map/ and it works great. However the only source I...
Hi to all i'm developing a map with raphael.js as they do in here : http://raphaeljs.com/world/  the problem is that i'm using a custom svg world map so they function getXY() obviously wont return the correct x,y of a lat,lng.  How can i calc...
This might be a simple question, but I have a map in d3 and I'd like to represent event-counts as squares.  Here's an example png of what I'm going for:    They're not aligned perfectly in the picture, but let's say I have a JSON:...
The d3.geo.path has a null projection because the TopoJSON is already projected, so it can be displayed as-is. I'm trying to plot data in the form of [longitude, latitude] on a map.   Below is what my code basically looks like:  var width, height...
I'm pretty much a noob trying to get a feel for some of the things that seem interesting and a bit out of my grasp in d3.js. Of course I mess around with some code off of bl.ocks.org and stuff breaks without my understanding of why.  This may be...
I want to display objects on a map in their exact dimensions.  I have reference data about these objects, containing the length and width of the object in meters, now I need to convert the meters into pixels for the leaflet icon size based on the zoo...
I am getting a json response coordinates from php as follows  {"All":[{"longitude":"36.8948669","name":" Manyanja Rd, Nairobi, Kenya","latitude":"-1.2890965","userID":"1"}, ...]}...

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