DTM Processing Tool

A C++ command-line tool for processing Digital Terrain Models (DTMs), built as a geology/geophysics coursework project.

Features

• Slope, aspect, curvature, and hillshade map generation
• Water flow routing (D8, D-infinity, MFD algorithms)
• DTM upsampling (nearest neighbour, bilinear, bicubic)
• Outputs visualisation images as PNG files

File Structure

• src/ – All C++ source and header files
• data/ – Sample DTM input files (.txt)
• docs/ – User documentation

How to Compile

g++ src/*.cpp -o dtm_tool
./dtm_tool

Usage

Run the program and follow the interactive prompts to load a DTM file and select a processing operation.

Dependencies

• stb_image_write (included) – for PNG output