I have a Django web application that needed an interactive map with shapes corresponding to Canadian postal code FSA areas that were different colors based on how many properties were in each FSA. It ended up looking something like the screenshot below. This exercise turned out to be relatively easy using the awesome open-source Javascript […]
Leaflet.js choropleth map color by count using geoJSON datasource Read More »
Chart.js V2.0 is a useful javascript charting library. It looks great, has ton of features though it is new enough that there is still some work to find out how to get some relatively simple things done. In this case I wanted to format the chart’s tooltip. Tooltips are the pop-ups that show when you hover
Chart.js tooltip format number with commas Read More »
I wanted to be able to show locations by latitude and longitude with data from Django 1.8 website on a Google Map using the Google Maps API. I used the accepted answer from a stackoverflow question to create a Google Map with multiple markers that had the store name with a link that would open
Display Django queryset results on Google Map Read More »
The newest Google Charts API allows you to more easily change the axis that you want the ticks and labels are on. In older version you had to create a secondary axis with dummy data and hide it showing only the axis with the real data on the where you want it (eg right side
How to move Google Chart x-axis to top of chart Read More »
Car2Go provides developer access to their real-time vehicle location and parking availability, and service area boundaries for all of their city locations around the world. I was using the Car2Go API to power a website created for my own use after struggling with the official Car2Go map on their site when using my mobile phone. I
