Can I preview satellite imagery to ensure there is no snow or cloud cover?

Thick cloud cover expressed as a percent of the photo’s coverage area is available from DigitalGlobe for archived imagery. Seasonal snow pack coverage can be seen clearly in the preview, the pro...

How is flood mapping different from contour or topo mapping?

Other elevation models are simply a record of the elevations across an area. Modeling and flooding predictions made by any agency other than the Conservation Authority are of no regulatory effect. The...

What’s the difference between contours and DEM?

The DEM capture was produced from 2002 orthophoto at 1:10,000. It includes elevations on a 40m grid spacing together with break lines along all visible terrain impacting features (road edges, drainage...

What spectral bands are available?

Each sensor vehicle captures imagery with slightly different spectral ranges and capabilities. Imagery can be ordered as panchromatic (grayscale), natural colour (R-G-B), false colour infrared (IR-R-G...

I’ve turned on some layers in VuMAP but nothing is drawing. Why?

There are two reasons why this may occur. 1. Some layers are too detailed to draw when you are zoomed out to view a large area. Below the name of each layer, you’ll see “Zoom Levels: [#-##...

How accurate is flood plain mapping?

The information shown on this map series is subject to change. The volume of water introduced into a regional drainage system from rain and snow melt can vary wildly between different points in the sy...

Can I have several tiles merged into a single file?

No problem. Choose the photos you’d like to purchase, then contact our customer service and request the photos be mosaicked. Our staff can combine the tiles into a single large image while still...