From f79c63abf831097bc379cf392ddf8abe8d0853a1 Mon Sep 17 00:00:00 2001
From: Mahdi Dibaiee <mdibaiee@aol.com>
Date: Thu, 16 May 2019 09:56:13 +0430
Subject: [PATCH] feat(generator/biomes): generate input for biome models

---
 map-generator/index.py             | 71 +++++++++++++++++++++++++++++-
 map-generator/templates/index.html | 14 ++++--
 map-generator/web.py               |  3 ++
 3 files changed, 82 insertions(+), 6 deletions(-)

diff --git a/map-generator/index.py b/map-generator/index.py
index 7bfbea0..c0424d8 100644
--- a/map-generator/index.py
+++ b/map-generator/index.py
@@ -1,11 +1,14 @@
 import numpy as np
 import matplotlib.pyplot as plt
 from matplotlib import colors, cm
+from matplotlib.collections import PatchCollection
 import scipy.interpolate as interpolate
 from scipy import ndimage
 import math
 from io import BytesIO
-import base64
+import pandas as pd
+from shapely.geometry import Point, MultiPoint
+from descartes import PolygonPatch
 
 parameters = {
     'width': {
@@ -102,6 +105,10 @@ parameters = {
         'max': 1,
         'step': 0.1
     },
+    'biomes': {
+        'default': False,
+        'type': 'bool'
+    },
     'seed': {
         'default': '',
         'type': 'int',
@@ -244,7 +251,7 @@ def constant_filter(a):
         return max(1, a[0])
     return 0
 
-def generate_map(**kwargs):
+def generate_map(biomes=False, **kwargs):
     plt.clf()
 
     p.update(kwargs)
@@ -291,14 +298,74 @@ def generate_map(**kwargs):
 
     print(np.count_nonzero(ground) / ground.size)
 
+    plt.gca().invert_yaxis()
     plt.imshow(ground.T, cmap=greys, norm=norm)
+    plt.gca().invert_yaxis()
 
     figfile = BytesIO()
     plt.savefig(figfile, format='png')
     figfile.seek(0)
 
+    if biomes:
+        generate_biomes(ground)
+
     return figfile
 
+def to_range(omin, omax, nmin, nmax):
+    orange = omax - omin
+    nrange = nmax - nmin
+
+    return lambda x: ((x - omin) * nrange / orange) + nmin
+        
+
+def generate_biomes(ground):
+    width, height = p['width'], p['height']
+
+    height_to_latitude = to_range(0, height, -90, 90)
+    width_to_longitude = to_range(0, width, -180, 180)
+
+    print('generate_biomes')
+    INPUTS = ['elevation', 'distance_to_water', 'latitude']
+    
+    data = {}
+    for col in ['longitude', 'latitude', 'elevation', 'distance_to_water']:
+        data[col] = []
+
+    points = []
+    for x, y in np.ndindex(ground.shape):
+        v = ground[x,y]
+        if v > p['water_level']:
+            points.append((x, y))
+
+            data['longitude'].append(width_to_longitude(x))
+            data['latitude'].append(height_to_latitude(y))
+            data['elevation'].append(v)
+
+    points = MultiPoint(points)
+    boundary = points.buffer(1e-0).boundary
+
+    for x, y in np.ndindex(ground.shape):
+        if ground[x,y] > p['water_level']:
+            # print(x,y, Point(x,y).distance(boundary))
+            data['distance_to_water'].append(Point(x, y).distance(boundary))
+
+    
+    df = pd.DataFrame(data)
+    print(df)
+
+    # fig = plt.figure()
+    # ax = fig.add_subplot(111)
+    # minx, miny, maxx, maxy = boundary.bounds
+    # w, h = maxx - minx, maxy - miny
+    # ax.set_xlim(minx - 0.2 * w, maxx + 0.2 * w)
+    # ax.set_ylim(miny - 0.2 * h, maxy + 0.2 * h)
+    # ax.set_aspect(1)
+
+    # ax.add_collection(PatchCollection([PolygonPatch(boundary.buffer(0.1), fc='red', ec='black', zorder=1)], match_original=True))
+
+    # plt.show()
+
+
 if __name__ == "__main__":
     generate_map()
     plt.show()
diff --git a/map-generator/templates/index.html b/map-generator/templates/index.html
index ca5d665..f13345f 100644
--- a/map-generator/templates/index.html
+++ b/map-generator/templates/index.html
@@ -26,10 +26,16 @@
           {% for k, v in parameters.items() %}
             <div class='form-group'>
               <label name='{{ k }}'>{{ k | replace('_', ' ') | title }}</label>
-              <input id='{{ k }}' name='{{ k }}'
-                     type="number"
-                     class='form-control'
-                     min='{{ v["min"] }}' value='{{ v["default"] }}' max='{{ v["max"] }}' step='{{ v["step"] }}'>
+              {% if v["type"] == "bool" %}
+                <input id='{{ k }}' name='{{ k }}'
+                       type='checkbox'
+                       class='form-control'>
+              {% else %}
+                <input id='{{ k }}' name='{{ k }}'
+                      type="number"
+                      class='form-control'
+                      min='{{ v["min"] }}' value='{{ v["default"] }}' max='{{ v["max"] }}' step='{{ v["step"] }}'>
+              {% endif %}
               {% if v["description"] %}
               <small class="form-text text-muted">{{ v["description"] }}</small>
               {% endif %}
diff --git a/map-generator/web.py b/map-generator/web.py
index 8bb2a80..3fda4a5 100644
--- a/map-generator/web.py
+++ b/map-generator/web.py
@@ -13,6 +13,8 @@ def parse(key, value):
         return int(value)
     elif t == 'float':
         return float(value)
+    elif t == 'bool':
+        return value == 'on'
     else:
         return value
 
@@ -21,3 +23,4 @@ def get_map():
     params = { key: parse(key, request.args[key]) for key in request.args }
     res = send_file(generate_map(**params), mimetype='image/png')
     return res
+