The Historical Aerial Photograph Collection of Westchester County

Help

To begin your research, first, click the "Select a Year" button locatted on the upper-right corner of the screen to display Map Contents pannel.

At the Map Contents Panel, check the check box next to the year of your choice to display the image index points on the map display.

 

The image index points are displayed. Notice that the index points are clustered into groups dynamically at certain scale. The number in the red circle indicates the number of points in that group. You need to zoom in to a certain level to de-cluster the groups and to display each individual index points.

As you zoom in to a certain level, each individual index points will be displayed. You can then click on the index point of your choice.

Once the index point is clicked, the information popup window is displayed. You can then click the hyperlink from the popup window to open the image viewer.Please allow a few munities for the initial loading of Java and the image viewer.

A separate image viewer window is opened to display the image. The image viewer window also provides a set of tools that will be introduced in the latter session of this help document. It will take a few munities for the initial loading of Java and the image viewer.

You can also locate an address on the map first and find the vicinity aerial photos by clicking the Go to Address button and open the Search panel. The Go to Address button is located at the upper-right corner of the screen.

Type in an address in the blank on Search panel and then click the small magnify glass next to it

Then click Add to add the address found to the map

A blue push pin will be added to the map to represent the address point. A new layer of this address is also added to the top of Map Contents panle.

To remove the address point from the map, right click the address layer at Map Contents panel and chose “Remove Layer” option.

You also have the option to choose different basemap as your reference by clicking the Choose Basemap button located at the top-right corner of the screen.

You can switch the basemap by clicking on one of these options:

The image viewer window also provides many tools to handle each of the images displayed. The main tool bar is located on the top of the window that allows user to save document (download and save the original tif image), Print, zoom in, zoom out etc.

There are also some image enhancement tools available at the bottom of the image viewer window. Change Enhancement Mode tool is located on the lower-left corner of the window.

Adjustment tool is located at the lower-right corner of the image viewer window that allows the user to reset luminance, contrast, and brightness.

 

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