How can i overlay d3js directed graph on leaflet - javascript

I'm using leaflet.js for display world map. i want to draw directed graph with nodes that is my location and link between them as arc on leaflet map.
I look at leaflet plugin and choose d3svgoverlay to draw graph on leaflet.
I search about directed graph with d3.js and find some example like this.
how can i overlay above example on the leaflet?
Note: i don't want animate graph. i want just click on node to hide other path and i want put text on arcs and nodes.

Related

Make a gap in the center of bubble d3 chart and paste content in it

I'm building a bubble chart using D3 js (v5), to show some user info and some logic in the center of the chart.
Basically I have a JSON with the total as the root and the children as each result.
I want to display the bubbles around that center div, and make so that the bubbles do not fit on it (this it the picture of what I want to build). Is it possible to do this with d3 js?
Tried to make some map around foreignObject, but nothing changed.

gauge graph in d3.js

Here I am trying to draw a gauge graph according to the following design. So far I have found a couple of examples from codepen on drawing gauge graph
But I was not able to find any documentation for styling these graphs.
I'm looking for a way to achieve those inner shadow overlays inside the circle on hover.

D3 and Leaflet: Click to zoom

I've used D3 to place some data onto a Leaflet map. Now, I am trying to enable the "click to zoom" function.
There's an example here by Mike Bostock which does it only on D3
There's an example here which does it only on Leaflet.
How should I go about combining these functions?

How do draw polygons which can be used with OpenLayers?

I can draw custom shapes using polygons in Inkscape. My goal is to display these shapes on top of the map of the US at fixed positions. The map and the polygons will display on a webpage with the ability to zoom in and out and pan. I wanted to know if these polygons can be placed on such a map using OpenLayers. How? Example anywhere? I am not familiar enough with OpenLayers and would learn it more if it can meet my requirements. I need to programmatically be able to color fill each shape either server or client side. I also want to place markers on the map based on lon/lat coordinates. Does OpenLayers support all this?
This is an example of what I want to do. The area in orange was defined in Inkscape and the color orange can be a different color set programmatically. This is a simple svg file displayed on the web page.
You should be able to treat the exported SVG as a regular image overlay. Here is the OpenLayers API for image overlays and here is another SO answer with a very basic image overlay example. OpenLayers supports markers, though if you're embedding the SVG as a flat image, I'm not sure if OpenLayers will allow you to style the SVG elements out of the box...
As an aside, Polymaps is an alternative mapping library that's slightly more SVG-oriented; it's especially good for stuff like dynamically transforming SVG layers based on data, manipulating styles and classes for SVG elements, etc. Per your example, here's their example for very simply throwing an image (with defined top-right / bottom-left coordinates) on a map.

How to draw a 3d bar chart on a world map with d3.js?

I would like to make this kind of geolocated 3d bar chart
d3.js can deal with 3d map projections
Is there a way to project a bar on a given coordinate to get a result similar to kartograph ?
Any projected data in D3 can have bars placed on them with the xy of the rect being at a latlong point. Here's an example with D3's satellite projection:
http://bl.ocks.org/4531633
To match the style of the Kartograph example, you'd need to rotate the rect in relation to the projection of the point it's associated with, as well as playing with opacity.

Categories