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Island3DRender.py
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Island3DRender.py
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import sys
import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
def normalize_land_water(data, threshold=0.1):
res = [[0 for i in range(len(data))] for j in range(len(data))]
for idv, vline in enumerate(data):
for idh, hcell in enumerate(vline):
if hcell >= threshold:
res[idv][idh] = 1
return res
def normalize_0_1(data):
res = [[0 for i in range(len(data))] for j in range(len(data))]
for idv, vline in enumerate(data):
maxval = max(vline)
minval = min(vline)
for idh, hcell in enumerate(vline):
try:
res[idv][idh] = (hcell - minval)/(maxval - minval)
except ZeroDivisionError:
res[idv][idh] = (hcell - minval)
return res
def read_data_from_hmap_file(fname):
data = []
with open(fname) as f:
for line in f:
data.append([float(x) for x in line.split()])
return data
def main():
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
data = read_data_from_hmap_file(sys.argv[1])
x = list(range(len(data)))
y = list(range(len(data)))
X, Y = np.meshgrid(x, y)
Z = np.array(data)
ax.plot_surface(X, Y, Z, cmap='terrain')
ax.set_zlim([0, 1.5])
plt.show()
if __name__ == '__main__':
main()