Fix/random colors

[AngRodrigues]

Description

📝 Summary of changes (6/6/2024)

• Added random colour functionality for the absence of a clut file
• removed the matplotlib dependency to convert hex and rgba
• added tests for the new utils functions
• added tests for the generation of random colours.

Fixes #90

Update (7/6/24)

Also fixes #93, as this bug is coming from a duplicate in the clut file for Jeerinah formation. Added fix in https://github.com/Loop3D/map2loop/pull/99/commits/4052eca85825a8ddd9d3c2f6c57c3f838ae2dd3e and test for duplicates in https://github.com/Loop3D/map2loop/pull/99/commits/354689d57cd28352693163697571483490695ec7

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Please describe any tests that you ran to verify your changes. Provide branch name so we can reproduce.

• tested using data from this repo
• branch fix/random_colours

from map2loop.project import Project
from map2loop.m2l_enums import Datatype
from map2loop.sampler import SamplerSpacing, SamplerDecimator

bounding_box = {
    "minx": 520000,
    "miny": 7490000,
    "maxx": 550000,
    "maxy": 7510000,
    "base": -3200,
    "top": 1200,
}

proj = Project( 
    geology_filename = "./source_data/geol_clip.shp",
    fault_filename = "./source_data/faults_clip.shp",
    structure_filename = "./source_data/structure_clip.shp",
    dtm_filename = './source_data/dtm_rp.tif',
    config_filename = './source_data/example.hjson',
    clut_file_legacy = True,
    working_projection = "EPSG:28350",
    bounding_box = bounding_box,
    loop_project_filename = 'lpf.loop3d',
    overwrite_loopprojectfile = True
)

proj.set_minimum_fault_length(5000.0)
proj.set_sampler(Datatype.GEOLOGY, SamplerSpacing(200.0))
proj.set_sampler(Datatype.FAULT, SamplerSpacing(200.0))
proj.set_sampler(Datatype.STRUCTURE, SamplerDecimator(1))

proj.run_all()
proj.draw_geology_map()

proj.stratigraphic_column.stratigraphicUnits[['name', 'colour']]

Checklist:

• [x] This branch is up-to-date with master
• [x] All gh-action checks are passing
• [x] I have performed a self-review of my own code
• [x] My code follows the style guidelines of this project
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation (in the form of docstrings)
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] My tests run with pytest from the map2loop folder
• [x] New and existing tests pass locally with my changes