contour-creator/documentation/plan.md

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## Group: Trygve and Esther
# What problem will you be working on in your programming project?
We will be implementing a marching squares algorithm to produce a contour map from a heightmap image file.
# Responsibilities:
Esther will create the algorithm itself with multitreading. This will essentially be a function that takes a grid of pixels as input and returns a similar grid of cells.
Trygve will take care of reading in the tiff file into our own datastructure and creating a vector image from the output of the algorithm.
# How do you plan to make it easily verifiable that your objectives are reached?
We can compare against the `gdal_contour` cli program which is a implementation widely used in other software. We can compare speed, memory usage and the result itself.
Each step in our program also produces a output which we can be worked on and evaluated independently.
# ER diagram:
![](ER_diagram.svg)