def CreateWorldRGB(N, M, seed=None, sea_level=0.45, biome_table_name=None):
'''
Create two heightmaps and return RGB 2D-matrix.
seed - world seed. None if random.
sea_level - limit of water.
biome_table_name - name of .csv file with colors
'''
map_power = max(TwoPower(N), TwoPower(M))
biome_table, water_color = LoadBiomeTable(biome_table_name)
phys_map = HeightMap(map_power, seed)[:N, :M]
humid_map = HeightMap(map_power,
None if seed is None else seed + 1)[:N, :M]
phys_ind = ((phys_map-sea_level) / (1-sea_level) *
biome_table.shape[0]).astype(int) - \
(phys_map == 1.0)
humid_ind = (humid_map * biome_table.shape[1]).astype(int) - \
(humid_map == 1.0)
RGB_map = biome_table[phys_ind, humid_ind]
RGB_map[phys_map < sea_level] = water_color
return RGB_map
def main():
parser = register_parsers()
args = parser.parse_args()
x_offset = int(random.random() *
pow(10, 3) if args.random else args.x_offset)
y_offset = int(random.random() *
pow(10, 3) if args.random else args.y_offset)
noise_ranges = [
NoiseRange('peak', args.peak),
NoiseRange('mountain', args.mountain),
NoiseRange('land', args.land),
NoiseRange('sand', args.sand),
NoiseRange('shore', args.shore),
NoiseRange('water', args.water),
]
height_map = HeightMap(
width=args.width,
height=args.height,
noise_ranges=noise_ranges,
scale=args.scale,
octaves=args.octaves,
persistence=args.persistence,
lacunarity=args.lacunarity,
x_offset=x_offset,
y_offset=y_offset,
base_x_offset=args.base_x_offset,
base_y_offset=args.base_y_offset,
)
moisture_map = MoistureMap(
width=args.width,
height=args.height,
noise_ranges=[], # dont specify noise ranges
scale=args.scale,
octaves=args.octaves,
persistence=args.persistence,
lacunarity=args.lacunarity,
x_offset=x_offset,
y_offset=y_offset,
base_x_offset=args.base_x_offset,
base_y_offset=args.base_y_offset,
)
height_map.moisturize(moisture_map)
height_map.draw_image(args.tilesize)
if not args.save:
height_map.show_image()
if args.save or click.confirm('Save map?', default=False):
file_name = 'maps/' + args.file
height_map.save(file_name, indent=4 if args.minify == False else None)
print('Saved to: %s' % file_name + '.json')
def display_image(width: int,
height: int,
lacunarity: float = 3.0,
octaves: int = 8,
persistence: float = 0.5,
scale: float = 200,
x_offset: float = 0.0,
y_offset: float = 0.0,
base_x_offset: float = 0.0,
base_y_offset: float = 0.0,
tile_size: int = 4,
waterLevel: float = -0.72,
shoreLevel: float = -0.44,
sandLevel: float = -0.16,
landLevel: float = 0.12,
mountainLevel: float = 0.44,
peakLevel: float = 0.72,
json: bool = False):
noise_ranges = [
NoiseRange('peak', peakLevel),
NoiseRange('mountain', mountainLevel),
NoiseRange('land', landLevel),
NoiseRange('sand', sandLevel),
NoiseRange('shore', shoreLevel),
NoiseRange('water', waterLevel),
]
height_map = HeightMap(
width=width,
height=height,
noise_ranges=noise_ranges,
scale=scale,
octaves=octaves,
persistence=persistence,
lacunarity=lacunarity,
x_offset=x_offset,
y_offset=y_offset,
base_x_offset=base_x_offset,
base_y_offset=base_y_offset,
)
moisture_map = MoistureMap(
width=width,
height=height,
noise_ranges=[], # dont specify noise ranges
scale=scale,
octaves=octaves,
persistence=persistence,
lacunarity=lacunarity,
x_offset=x_offset,
y_offset=y_offset,
base_x_offset=base_x_offset,
base_y_offset=base_y_offset,
)
height_map.moisturize(moisture_map)
height_map.draw_image(tile_size)
if json:
return height_map.get_json()
memoryStorage = BytesIO()
height_map.get_image().save(memoryStorage, format="png")
return Response(content=memoryStorage.getvalue(), media_type="image/png")
self.calculate_sea_boundary(landmass) for landmass in landmasses
]
for coastline in coastlines:
for edge in coastline:
plt.plot(edge[:, 0], edge[:, 1], 'k-', linewidth=0.3)
plt.show()
# TODO: For each landmass, generate polygon
# TODO: Fractal subdivide and smooth each coast
def sketch(self):
self.setup_sketch()
self.sketch_coastline()
# plt.show()
if __name__ == "__main__":
heightmap = HeightMap(2000, sea_level=0.4)
heightmap.add_global_gradient()
# heightmap.add_cone()
for _ in range(10):
heightmap.add_hill()
for _ in range(7):
heightmap.add_hill(valley=True)
heightmap.simulate_fluvial_erosion()
heightmap.simulate_fluvial_erosion()
heightmap.simulate_fluvial_erosion()
sketcher = Sketcher(heightmap)
sketcher.sketch()