Create elevation contour tiles from SRTM data

Compilation

You need
- QT 4.6
- libcairo

Call:
- qmake
- make
or create the binary using QT Creator.

Call

qsrtm [-o outputDir] [-s srtmDir] [-m maxZoom] z_x_y[.png]

It computes all Contour tiles from zoom level 10 to level maxZoom (if z greater or equal 10).