I would like to convert an image from google maps
into a black and white edition, without gray scale, something that will look like that
How can this be achieved with
Adobe Photoshop CS5?
The closest you could probably get without drawing it is to use the
filter > stylize > find edges (adjusting the contrast first might work better). Once that is applied, use the threshold adjustment to make it black and white.
Here is a quick example of the result:
Another way is to use the
filter gallery > stylize > glowing edges. This gives you a smoother line that you can adjust with sliders. Once you've adjusted it, use a threshold adjustment layer (adjust the slider), then invert it with the invert adjustment layer.
Here is what that looks like: