LaudonTech's GIS Blog

After checking out the top 10 Canadian cities web GIS systems, I thought it would be prudent to review the USA’s top 10 largest cities web GIS systems to see if I could locate the Holy Grail of GIS web mapping systems.
Here are my results:
1. New York, New York – Pop. 8,175,133 http://gis.nyc.gov/doitt/nycitymap/ (MapServer, Dojo [...]

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Lately I have heard users complain about the lack of functionality, the poor performance, and the cumbersome user interfaces of web mapping systems.  So, I though I would take a quick peak at the “competition” so to speak.  Here are some screen grabs and links to Canada’s top 10 largest cities online GIS web mapping [...]

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Yet another ESRI DevSummit came and went just like a snowfall here in rainy British Columbia (wish I was back in sunny Palm Springs!). This years conference was a breath of fresh air. ESRI once again was able to provide developers with robust development environments, empowering developers on all platforms (mostly mobile) with [...]

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The World Bank launched its Open Data Initiative in April, 2010. This initiative made an array of data sets, including the World Development Indicators, Africa Development Indicators, and Millennium Development Goal Indicators – free for all.
The Apps for Development Competition aims to bring together the best ideas from both the software developer and the development [...]

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To ensure you’re ArcGIS Server based web applications are running smoothly, you need to monitor how often you are maxing out on instance usage. Every time your instances get tapped, users will most definitely be waiting for an other instance cycle before they get their map or geoprocessing results. By analyzing instance usage, [...]

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Have you ever created a large ArcGIS Server map cache just to find out the result does just not look right? I just finished running an ArcGIS Server cache creation process taking over 30 hours to complete. I found that the resulting map cache, even though I specified 75% JPG compression was taking [...]

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I have just created another fun mashup that uses Google Maps API and the ArcGIS Server JavaScript API to dynamically calculate how much water you could capture from the rain on your rooftop.  Google Maps is used to draw a polygon, then the centroid is fed into ArcGIS Server to retrieve the mean annual rainfall [...]

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I have built a new funny Google Street View sightings website. Take a look!

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Check out the video:

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I recently put together a Google Maps based tool to map and edit employee information.  The tool simply allows an administrator to add an employee to an interactive office floor plan.  The administrator can then edit detailed employee information, upload a photo, delete an employee, or, move the employee to a new location in the [...]

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