What is OGC Flickr Map

OGC Flickr Map is a free and excellent web application for exploring sensors and geo-tagged Flickr photos inside a map viewer. You can use it for free by clicking this link. It is an Ajax mashup built by rich internet technologies and powered by following open APIs and toolkits:

The aim of this mashup is trying to integrate Open Geospatial Consortium(OGC) standards with online social networking platforms such as Flickr photo sharing service to provide a great experience of exploring the open geospatial data around the internet! Currently the mashup uses GeoCENS API that implements OGC Sensor Observation Service Interface Standard to retrieve sensors information.

What you can do

  • Show temperature information of an area obtained from sensors.
  • Search photos near the sensor location.
  • Explore the photos around an area by clicking on the map.
  • Search flickr photos with your desired keywords.
  • Auto play the photo list.
  • Show detailed information about a city.

How to use OGC Flickr Map

1.Open the web page, and you will see a welcome screen.
Just click on ‘Enter’ and you are ready to go.
welcome screen

2. The main web page is divided into two components: Map Viewer and Control Panel.
The Map Viewer has a world map as the background, and it will respond to mouse events and show results of photos by placing markers and opening info windows on the map.
Click on the map and it will draw a red rectangle to show the area from which you are going to search photos. At the same time, the thumbnails of photos which are geo-tagged inside that area will be displayed on the bottom right side. In addition, a window will open to show information about that area.
info window

Click on the name of the area in the info window and it will open another window to show detailed information about that area. Currently we retrieve the Census Block Population data of USA from ESRI ArcGIS server and get the Wikipedia article describing the selected area. The population data is calculated and displayed as charts to increase readability.
area info

3. The Control Panel consists of three tabs.
The ‘Explore’ tab is for showing OGC layers and exploring photos. Currently the OGC layer displays the sensors on the map for showing the temperature information obtained from GeoCENS API. The following snapshot shows the result after you click on the ‘Show’ button.
Each star icon on the map represents a sensor. When you hover your mouse over a sensor, a window will pop up to show the latest information obtained from the sensor. Currently we can get temperature information from the sensor. You can also click on the ‘Day’, ‘Week’, ‘Month’ or ‘Year’ button to see a chart showing the historical sensor data. A snapshot of the chart is shown below.
You can also click the “Search” link on the info window to search photos around the location of the sensor.
Besides showing OGC layer, you can search and auto play the photos from Flickr. After you input the keyword and click the ‘Search’ button (or just click the “Search” link on the sensor info window), the thumbnails of the photos from search result will be shown on the bottom right .

Then the geographic information of each photo such as latitude/longitude will be extracted and there will be blue icons appearing on the map indicating the places of the photos. When you hover your mouse over the blue icon, a window will open to show information about that photo.

You can click on a small thumbnail either from bottom right or info window to show a larger photo window and enjoy the whole picture. The meta information such as owner name and tags of the photo will be displayed when you hover your mouse over the title bar.

The other tab called ‘Setting’ contains utility functions such as setting the map type and showing additional layers above the map. Eg: you can show Youtube Videos on the map by clicking ‘Show Youtube Videos’.

The third tab called ‘About’ shows some additional information about this application.

Okay, it’s time for you to enjoy and discover if there is any great functionality we did not mention here!
In addition, a video for showing how to use the app can be found here.

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