DEM

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...

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...

Why is there no elevation data at my site?

The elevation data that has been clipped to tiles for MapWarehouse covers the Golden Horseshoe and extends into Simcoe and the Kawarthas.  Outside this area, it’s usually possible to produce a ...