With OALLEY, you can draw isodistances for your catchment areas easily and free of charge. These areas show everything within a certain distance of a given point. They are often used for market-analysis purposes, or for having a look at a delivery area.
To draw a travel-distance area, or isodistance, go to the map.
When you’re looking at the map, go to the area-creation panel at the top left of the screen to draw your first isodistance:
Select “Travel-distance area” mode by clicking on the ruler icon:
Next, set your area’s starting point:
Now, set the travel distance:
Finish by clicking on the “Compute” button. You’ve just drawn your first travel-distance area!
To go further: