Open hard surface data is accurate to 10cm at 95%. If the surface is not hard, it all depends on the surface, but at least twice the hard surface accuracy would be a good place to start.
Elevation
The sample downloads
If you’re having trouble with the sample request form, you can also access a selection of data here: Orthophoto SID 6 cm 10 cm 15 cm 20 cm JPG 6 cm 10 cm 15 cm 20 cm Parcel MapWarehouse T...
How to estimate how many tiles I need?
Most mapping data and imagery found on MapWarehouse cover large geographic areas. The coverage is clipped into 500m x 500m tiles based on a common grid, which enables you to purchase only the layers o...
Questions To Ask Yourself Before Purchasing Aerial Imagery
Where to start? The process below should help you decide what kind of aerial imagery you need and how to acquire it. You’ve got a few choices of satellite and aerial orthophoto. Answering a few ques...
How much does custom elevation mapping cost?
There is no preset cost for any particular service. Each job is unique and will be quoted individually based on a few different criteria. 1. Is photo already available? We may already have recent orth...
What’s The Difference? – DSM vs. DEM. vs. DTM
DSM, DEM, and DTM are all different ways of visualizing three dimensional relief of the landscape. All begin with overlapping aerial photos which can be viewed in stereo as 3D images by our photogramm...
Getting Started With LiDAR
LiDAR (Light Detection And Ranging) is a technology that essentially takes pictures using laser pulses instead of visible light. You’ve likely heard about LiDAR in the context of self-driving ca...
Preview the coverage area for each dataset
Coverage maps for all data types can be found here. View the year by year ortho coverage details here.
Is newer data available?
We update large portions of our aerial imagery every year to keep up with demand for new data, especially in suburban areas where land development is taking place. In the built environment, the imager...
1-Meter contours are too detailed for my site, is there anything smaller scale?
Yes! We have OBM (Ontario Base Mapping) available in a variety of vector formats such as SHP and DWG. These maps were produced in 1983 by Ontario Ministry of Natural Resources at 1:10,000 (5km x 5km s...