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36 New APIs: Cloud-Based Video Encoding, Fotomoto, RealGravity
This week we had 36 new APIs added to our API directory including an image marketplace service, video encoding software, social media monitoring service, video hosting platform service, shopping reviews service, maps and gps navigation. Below are more details on each of these new APIs. AtlasCT Geo-Services API : AtlasCT is a maps and location-based services (LBS) company providing maps, geo-services, GIS and LBS to web and mobile developers, and enterprises.
61 Geolocation APIs: Panoramio, Google Gears and Yahoo
Our API directory now includes 61 geolocation APIs. The newest is the Onuma WFS API. The most popular, in terms of mashups, is the Panoramio API. We list 45 Panoramio mashups. Below you’ll find some more stats from the directory, including the entire list of geolocation APIs.
Click above to view the plugin’s full documentation. Give exact locations right in your website! Check out this fantastic jQuery plugin designed by graphic designer Aron Brown. The jQuery GPS is perfect if you want to include Google Maps into your website yet don’t want to be bothered with other unnecessary features. This is the best solution to your needs at showing directions to your visitors because it is lightweight, it allows the viewer to select places on the map, and you can add customer IDs for addresses and use any element to trigger the event.
jQuery GPS | Blogfreakz - Web Design and Web Development resources
The power of GDAL virtual formats
GDAL is most likely the most powerfull GIS toolset out there, with very geekish features that may seem complicated at first, but become extremely powerful and simple at the same time once you master them. One of these features I most like is the virtual format concept, valid both for raster data sources (GDAL) and for vectorial data sources ( OGR ). Basically GDAL gives to the user a very simple mechanism to create virtual formats from some different sources. GDAL gives the possibility to create GDAL virtual formats : it is possible to create a GDAL dataset "composed from other GDAL datasets with repositioning, and algorithms potentially applied as well as various kinds of metadata altered or added. VRT descriptions of datasets can be saved in an XML format normally given the extension .vrt."
OS Interactive Geospatial Mapping jQuery Plugin: jQuery Geo | Greepit
It helps make interacting with various web mapping servers and tile sets such as Open Street Map, WMS and Esri ArcGIS Server as simple as possible. The primary component of this Geospatial plugin is a single user interface widget that pulls in tiled or dynamic map images from map servers . By default, this component targets Open Street Map tiles but can be easily configured to use other WMS layers or cached tile sets.
Also make note that you must have to pass the Location values using Lattitude & Longitude co-ordinates of the that Location (due to Google map API limitation). 4. baloon_text – a Text to display in a Baloon on map when clicked on that specific Marker. You can also use this text in HTML format.
jQuery Map Marker Plugin | Welancers
jQuery Geo is a plugin for the popular framework that provides an easy-to-use API for map/geolocation related actions. The plugin uses the open source map servers like Open Street Map, WMS and Esri ArcGIS (Open Street Map by default) for pulling the map data and can: However, things can get easier with GMAP3 jQuery plugin if you are planning to use maps with advanced features (like overlays or callbacks).
Map
A Java shapefile application which can run on most of hardware/software platforms (Windows 95/NT, UNIX, MAC, ...). To run FShape, a Java JDK is required (free from http://java.sun.com ). External : JShape External Interface allows users to implement and link their own customize Java routines (JDBC, attribute/spatial queries, reports, multimedia, ...) to JShape system. Grid Shapefile : Instead of loading the complete large GIS dataset during the program startup time, this extension allows users to dynamically load the interested grid shapefiles during the runtime. With this extension, the large GIS dataset loading and processing time will be improved dramatically. Dynamic Map : This extension allows users to dynamically load the interested tiled image files during the runtime.
JShape Home Page
The previous map was built in Flash, and I used some other proprietary software to handle the data and tweak the presentation. Moving to JavaScript for interactive applications saves money you’d otherwise spend on Flash licenses and it makes your work more widely available: this map functions on the iPad, for instance (albeit very slowly, since it’s computationally intensive and involves fairly large downloads). Here, in case it’s useful for anyone else who makes these sorts of things, is a rundown of how I built the map. Overview This year’s map is similar in basic function to last year’s. When you visit the page, JavaScript code renders a county map of the United States and prepares it for interaction.
How To Build an Interactive Map with OS tools
Tutorial: How to extract street coordinates from Open Street Map geodata « dataist
I’ve spent almost a year learning about data-driven journalism and tools for analysis and visualization of data. I have now become confident enough to think that I might even be able to teach someone else something. So here it goes: my first tutorial. The task Earlier this fall Helsingin Sanomat published a huge dump of price data from Oikotie , a Finnish market place for apartments. I had an idea to build a kind of heat map where every street would be colored based on the average price of the apartments.
This tutorial will show you how to find a publicly available dataset, convert the file into GeoJSON, and display it on a Polymap . Before you get started, make sure you’re using a computer running Mac OS. Download and install GDAL 1.7 Complete . (This can also be done using Windows ). While that’s downloading and installing, let’s download some data. For this example, we used the San Francisco Parks database from sfgov.org .
Overlay polygons using JS & CS
We all hate to wait. But there is actually some science behind this when it comes to websites and how they load. So much so that speed concerns are tackled at their own convention, namely the Velocity Conference and the W3C has set up a Web Performance Working Group .
Michael Neutze: Even faster web mapping
This is the 4th post in the Web Mapping series examining the technology that will change the boundaries of what is possible for geospatial applications. In this post we will take a look at Adobe Flash and Microsoft Silverlight as technology enablers for Web Mapping. The post will illustrate concerns over the future of these technologies, examine their adoption for GIS and Web Mapping and review the direction of the key technology vendors.
Mapping Tech - Are Flash and Silverlight dead?
OpenStreetMap represents a lot of data. If you want to import the entire planet into a PostGIS database using osmosis, you need at least 300GB of hard disk space and, depending on how much you spent on fast processors and (more importantly) memory, a lot of patience. Chances are that you are interested in only a tiny part of the world, either to generate a map or do some data analysis. There’s several ways to get bite-sized chunks of the planet – take a look at the various planet mirrors or the cool new Extract-o-tron tool – but sometimes you may want something custom. For the data temperature analysis I did for State of the Map , I wanted city-sized extracts using a small buffer around the city border.