OpenLayers, which you might think of as the kitchen sink of web map programming.There are many others, and depending on what your specific needs are, you should probably spend some time exploring all of the options before making a decison of where to get started. Of course, the three we looked at aren't the only options. Like othe others above, Polymaps is open source under a BSD license, and you can view its source on GitHub. I also find that Polymaps handles zooming incredibly well compared to some other libraries The nice thing about using SVG (scalable vector graphics) for creating maps is that it means that many of the same styling options which can be applied to web documents with CSS will also work with your map design. Polymaps is a JavaScript mapping library for creating interactive maps with both SVG-based vectors as well as tile-based maps for raster data.
Modest Maps is open source under a BSD license, and you can view its source on GitHub as well. Check out their example library for more ideas of what you might do with it. Also very modular in design, Modest Maps is a great choice for both simple maps and for people who wish to pick-and-choose components. Though Leaflet can be considered a minimalist library, Modest Maps may win an award for being even smaller.
#Open map api code#
Leaflet's source code is available on GitHub and it is licensed under a BSD license. Leaflet also has a strong documentation project behind it, making it a good choice for beginners, and there are a number of community-contributed examples out there on the Internet for when you get stuck, as well as many examples on the project homepage. But it also has a ton of available plugins so that you can add on just about any functionality available with a heaftier mapping library. It's basic library is fairly small, making Leaflet a great option for mobile applications or other situations in which load time or size is at a premium. Leaflet has in the past couple of years become one of the most popular options for creating interactive JavaScript maps. If you're looking to get started with web mapping, here are three libraries which are worth checking out.
In fact, there are many open source alternatives which are better fit to specific needs, whether those needs are displaying something very basic with minimal overhead, or a complex application with many diverse components and integrations. Many people familiar with Google Maps immediately turn to the Google Maps API for getting started, but Google Maps are far from the only option. And if you come to GIS with any background in basic web programming and markup-JavaScript, HTML, and CSS-a web map is probably the path of least resistance to getting started. eBook: An introduction to programming with Bashīut how does one get started exploring the vast world of GIS? Before exploring advanced modeling, spatial analytics, and data management, the most logical place to begin learning about GIS is with the most basic representation of geographical data: a map.Try for free: Red Hat Learning Subscription.
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