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Written by Eric Pimpler
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Monday, 30 November 2009 09:40 |
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This article was previously published on GeoChalkboard, and has been reproduced here with permission. GeoChalkboard is published by Geospatial Training Services who provide a range of geospatial web courses.
As a GIS web application developer you want to focus on building functionality specific to the application you are constructing. Spending valuable time and effort adding basic GIS functions such as zooming and panning to your application detract from what should be your primary focus. Luckily, ESRI has made the addition of navigation and drawing toolbars to your application a snap with the ArcGIS Server JavaScript API. In this post I’ll show you just how easy it is. |
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Last Updated on Monday, 30 November 2009 09:42 |
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Written by Richard Marsden
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Monday, 23 November 2009 11:11 |
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Anyone browsing the OSGeo software lists will find a number of catalog and infrastructure applications. They look to be mature and active projects, but they simply fail to grab the attention that applications like GeoServer and OpenLayers do. What are these applications, and why are there a number of applications that appear to do very similar things? This article attempts to clear things up and dives into such applications as MapBender, GeoNetwork OpenSource, and deegree; as well as take a look at Spatial Data Infrastructures. |
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Last Updated on Monday, 03 May 2010 19:48 |
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Written by Richard Marsden
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Monday, 16 November 2009 08:36 |
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Yahoo's Placemaker™ service is a geo-parsing web service that attempts to identify locations in unstructured and atomic content (eg. news articles and feeds). As such it promises to be a powerful and useful method to geo-locate information that does not have structured geolocation information. Placemaker is currently a free beta service. |
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Last Updated on Monday, 16 November 2009 08:39 |
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Written by Richard Marsden
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Monday, 09 November 2009 20:43 |
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The MapFish and GeoServer projects has just been officially accepted by the OSGeo (Open Source Geospatial Foundation) into their 'incubation' status. Incubation status means that these projects are on track to become an official OSGeo project, but they are not there yet. Both project teams will need to demonstrate a range of criteria, including a diverse community, robust governance structure, and clean reliable code. The GeoServer announcement is here. and the MapFish announcement is here.
(news story updated 10th November to include MapFish)
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Last Updated on Tuesday, 10 November 2009 07:19 |
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Written by Richard Marsden
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Thursday, 19 November 2009 16:40 |
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A few months ago, Twitter let it be known that it was working on a geo-tagging API. It has allowed this semi-official announcement to create some buzz and hype, and some of us wondered when it would ever be released. The wait is over, and Twitter have announced that the geo-tagging API is now live for all users. The announcement can be found here. Twitter have also published best practices such as opt-in and full disclosure.
In a few weeks, we shall be revisiting the API with a technical overview and how-to.
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Written by Richard Marsden
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Tuesday, 10 November 2009 10:00 |
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Microsoft have just announced a major new release of the Bing Maps Platform. The most significant change is the official release of the Silverlight Control. This allows rich multimedia and embedded video to be integrated into Bing Maps using Silverlight. Documentation for the Bing Maps Silverlight Control 1.0 can be found here.
Earlier this year we published an overview and demo of the Bing Maps Silverlight CTP. This CTP will cease to function on December 31st 2009. Users of the CTP should upgrade their Silverlight code to use the new v1 of the Bing Maps SilverLight Control. A review of the other Bing Maps additions (including draggable routes) can be found here.
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Last Updated on Tuesday, 10 November 2009 11:02 |
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Feature Articles
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Written by Richard Marsden
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Monday, 09 November 2009 09:57 |
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With a wide range of online mapping toolkits and services, it is usually relatively easy to produce a web map that displays data from a desktop system. For example, data points can be plotted as pushpins or placemarkers; and annotation can be imported using a file format such as KML or ESRI Shapefiles. Some desktop mapping application such as Microsoft's MapPoint can draw shaded area (choropleth) maps. Data is specified by label (eg. zipcode, or county name), rather than with explicit shape definitions. This is useful for an end user who can quickly create such maps without the shape definitions. However, it makes it difficult to copy this data to an online mapping application which rarely (if ever) supports shaded areas by name. Bjorn Sandvik's ThematicMapping.org offers a partial solution. ThematicMapping.org offers global coverage and visually impressive maps, but lacks the level of shape detail that a desktop product such as MapPoint can offer. MapPoint may only cover North America or Europe, but it can plot data at the state, county, zipcode/postcode, and census tract levels. This article shows you how to plot any MapPoint map, including shaded area maps, in a Bing Maps application. |
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