def draw_class():
# ===== look up table =====
lut = np.array([[0 ,0 ,0 ],
[168,168,0 ],
[20 ,119,73 ],
[169,208,95 ],
[56 ,168,0 ],
[126,206,244],
[0 ,86 ,154],
[112,168,0 ],
[147,47 ,20 ],
[202,202,202],
[0 ,255,197],
[255,255,255]], dtype=np.uint8)
# ===== read shape file and make a paper =====
liaoning = gio.read_shp('../data/shape/shandong.shp')
liaoning = liaoning.to_crs(3857)
box = gutil.shp2box(liaoning, (3600, 2400), 0.15, 1)
paper = gnp.frombox(*box, dtype=np.uint8)
# ===== match the class tif into paper
fs = glob('../data/class/*.tif')
idx = gmt.build_index(fs)
gmt.match_idx(idx, paper, out='in', order=0)
msk = paper * 0
gdraw.draw_polygon(msk, liaoning, 255, 0)
paper[msk==0] = 11
body = [('图例', 'simhei', 72),
('rect', 1, '农田'),
('rect', 2, '森林'),
('rect', 3, '草地'),
('rect', 4, '灌丛'),
('rect', 5, '湿地'),
('rect', 6, '水体'),
('rect', 7, '苔原'),
('rect', 8, '隔水层'),
('rect', 9, '裸地'),
('rect', 10, '冰雪')]
# 底图，位置，内容，空隙，矩形尺寸及线宽，字体字号颜色，外边框宽度
gdraw.draw_style(paper, 60, -60, body, mar=(20, 30),
recsize=(120,60,0), font=('simsun', 60, 0), color=0, box=0)
gdraw.draw_unit(paper, -120, -60, 0.3, 30, ('times', 48), 0, 'km', 3, anc='r')
gdraw.draw_text(paper, '山东省土地利用类型', 80, 60, 0, ('simkai', 128))
gdraw.draw_N(paper, -240, 240, ('simhei', 100), 2, 100, 0)
gdraw.draw_polygon(paper, liaoning, 0, 2)
gdraw.draw_bound(paper, 5, 5, -5, -5, 0, 2, clear=None)
return paper.lookup(lut)
def draw_simple():
shandong = gio.read_shp('../data/shape/shandong.shp')
shandong = shandong.to_crs(3857)
box = gutil.shp2box(shandong, (3600, 2400), 0.1, 1)
paper = gnp.frombox(*box, dtype=np.uint8)
paper[:] = 255
gdraw.draw_polygon(paper, shandong, 0, 2)
gdraw.draw_ruler(paper, 80, 50, -80, -50, 1, 4326, ('times', 32), 0, 2, 5)
gdraw.draw_lab(paper, shandong, 'name', 0, ('simhei', 32), 'ct')
gdraw.draw_unit(paper, -180, -100, 0.3, 30, ('times', 48), 0, 'km', 3, anc='r')
gdraw.draw_text(paper, '山东省', 180, 120, 0, ('simkai', 128))
gdraw.draw_N(paper, -240, 240, ('simhei', 100), 2, 100, 0)
return paper
def draw_ratio(cls, lab, df):
shandong = df.to_crs(3857)
paper = cls.copy()
paper[lab == 0] = 12
lut = np.array(
[[0, 0, 0], [168, 168, 0], [20, 119, 73], [169, 208, 95], [56, 168, 0],
[126, 206, 244], [0, 86, 154], [112, 168, 0], [147, 47, 20],
[202, 202, 202], [0, 255, 197], [20, 119, 73], [255, 255, 255]],
dtype=np.uint8)
body = [('图例', 'simhei', 72), ('rect', 1, '农田'), ('rect', 2, '森林'),
('rect', 3, '草地'), ('rect', 4, '灌丛'), ('rect', 5, '湿地'),
('rect', 6, '水体'), ('rect', 7, '苔原'), ('rect', 8, '隔水层'),
('rect', 9, '裸地'), ('rect', 10, '冰雪')]
lut[1:-2] = lut[1:-2] * 0.6 + 255 * 0.4
shandong['lab'] = shandong['ratio'].apply(lambda x: '%.2f%%' % (x * 100))
gdraw.draw_polygon(paper, shandong, 0, 2)
gdraw.draw_polygon(paper, shandong[shandong['ratio'] > 0.1], 11, 8)
gdraw.draw_lab(paper, shandong, 'lab', 0, ('simhei', 48), 'ct')
# 底图，位置，内容，空隙，矩形尺寸及线宽，字体字号颜色，外边框宽度
gdraw.draw_style(paper,
60,
-60,
body,
mar=(20, 30),
recsize=(120, 60, 0),
font=('simsun', 60, 0),
color=0,
box=0)
gdraw.draw_unit(paper,
-120,
-60,
0.3,
30, ('times', 48),
0,
'km',
3,
anc='r')
gdraw.draw_text(paper, '山东省森林覆盖率统计', 80, 60, 0, ('simkai', 128))
gdraw.draw_N(paper, -240, 240, ('simhei', 100), 2, 100, 0)
gdraw.draw_bound(paper, 5, 5, -5, -5, 0, 2, clear=None)
return paper.lookup(lut)
def draw_grade():
shandong = gio.read_shp('../data/shape/shandong.shp')
shandong = shandong.to_crs(3857)
box = gutil.shp2box(shandong, (3600, 2400), 0.1, 1)
paper = gnp.frombox(*box, dtype=np.uint8)
areas = shandong.area
grade_lut = np.array([3]*60 + [2]*30 + [1]*10, dtype=np.uint8)
vs = (areas-areas.min())/(areas.max()-areas.min())*99
grade = grade_lut[vs.astype(int)]
print(grade)
gdraw.draw_polygon(paper, shandong, grade, 0)
gdraw.draw_polygon(paper, shandong, 4, 2)
gdraw.draw_ruler(paper, 80, 50, -80, -50, 1, 4326, ('times', 32), 4, 2, 5)
gdraw.draw_lab(paper, shandong, 'name', 4, ('simhei', 32), 'ct')
gdraw.draw_unit(paper, -180, -100, 0.3, 30, ('times', 48), 4, 'km', 3, anc='r')
gdraw.draw_text(paper, '山东省', 180, 120, 4, ('simkai', 128))
gdraw.draw_N(paper, -240, 240, ('simhei', 100), 2, 100, 4)
body = [('图例', 'simhei', 72),
('rect', 1, '特大城市'),
('rect', 2, '中型城市'),
('rect', 3, '一般城市')]
# 底图，位置，内容，空隙，矩形尺寸及线宽，字体字号颜色，外边框宽度
gdraw.draw_style(paper, 150, -90, body, mar=(20, 30),
recsize=(120,60,2), font=('simsun', 60, 4), color=4, box=0)
lut = np.array([[255,255,255],
[255,200,100],
[255,255,128],
[255,255,200],
[0 ,0 ,0 ]], dtype=np.uint8)
return paper.lookup(lut)
def draw(report, date, text, point=False, limit=True, check=False):
#report = './20190705.xlsx'
#date = 10.0
root, name = osp.split(report)
rpt = pd.read_excel(report, encoding='gbk')
month, day = int(date), int(round(date % 1 * 100))
rpt['province'] = rpt['省']
rpt['city'] = rpt['市']
rpt['city'].fillna('市辖区', inplace=True)
rpt['county'] = rpt['县']
rpt['time'] = rpt['首次查见日期'].apply(lambda a: a.month + a.day / 100)
bound = gpd.read_file(root + '/data/陆地国界.shp')
back = gpd.read_file(root + '/data/地理区划_大类.shp')
line = gpd.read_file(root + '/data/地理区划_line.shp')
river = gpd.read_file(root + '/data/我国主要河流.shp')
area = gpd.read_file(root + '/data/全国县级行政区划2015.shp')
rec = gpd.read_file(root + '/data/南海-矩形.shp')
pro = gpd.read_file(root + '/data/省界_2015.shp')
rpt = rpt[rpt['time'] <= date]
rpt['long'] = rpt['province'] + '_' + rpt['county']
area['long'] = area['Province'] + '_' + area['County']
rptset = set(rpt['long'])
areaset = set(area['long'])
outarea = sorted(list(rptset - areaset))
outdf = pd.DataFrame(outarea, columns=['new area'])
if check: return outdf
new_back = back.to_crs(rec.crs)
new_line = line.to_crs(rec.crs)
new_river = river.to_crs(rec.crs)
new_bound = bound.to_crs(rec.crs)
new_area = area.to_crs(rec.crs)
new_pro = pro.to_crs(rec.crs)
roi = new_area.merge(rpt[['long', 'time']], on='long', how='inner')
roi_pro = new_pro #new_pro[np.array([i in roi['Province'].unique() for i in pro['Province']])]
lut = np.array(
[
[255, 255, 255], # 底色
[0, 0, 0], # 省界
[156, 156, 156], # 国界粗
[0, 0, 0], # 国界细
[0, 77, 168], # 一级区划
[169, 0, 230], # 南北部
[56, 168, 0], # 东西部
[10, 147, 252], # 河流
[254, 255, 229], # =======
[236, 255, 229],
[254, 237, 204], # 底图颜色
[228, 246, 255],
[242, 243, 243], # =======
[168, 0, 0], # 1月
[255, 0, 0],
[255, 127, 127],
[252, 196, 76],
[250, 250, 100],
[152, 230, 0],
[115, 223, 255],
[0, 77, 168],
[223, 115, 255]
], # 9月
dtype=np.uint8)
# 纸张
paper = gisdraw.make_paper(new_back, (17538, 12400), margin=0.08)
# 背景
gisdraw.draw_polygon(paper, new_back,
new_back['color_No_'].astype(int) + 7, 0)
gisdraw.draw_polygon(paper, new_back, 1, 10)
# 国界
gisdraw.draw_line(paper, new_bound, 2, 80)
gisdraw.draw_line(paper, new_bound, 3, 10)
# 灾区
if point:
roip = gpd.GeoDataFrame(roi.centroid.buffer(15000),
columns=['geometry'],
crs=roi.crs)
gisdraw.draw_polygon(paper, roi, 2, 10)
else:
roip = roi
gisdraw.draw_polygon(paper, roip, roi['time'].astype(int) + 12, 0)
gisdraw.draw_polygon(paper, roip, 1, 5)
# 入侵省份
gisdraw.draw_polygon(paper, roi_pro, 1, 15)
# 南北东西界线， 河流
gisdraw.draw_line(paper, new_river, 7, 30)
if limit:
gisdraw.draw_line(paper, new_line, new_line['class'].astype(int) + 3,
30)
# 入侵省份文字
gisdraw.draw_lab(paper, roi_pro, 'name', 1,
(root + '/fonts/simsun.ttc', 180), 'center')
# 比例尺
gisdraw.draw_unit(paper, 3000, -500, 0.3, 150,
(root + '/fonts/times.ttf', 200), 1, 'km', 20)
# 指北针
gisdraw.draw_N(paper, -1800, 1200, (root + '/fonts/msyh.ttc', 300), 20,
400, 1)
bins = list(np.bincount(rpt['time'])[1:]) + ['-'] * 10
c_or_r = ['rect', 'circle'][point]
body = [
('图例', root + '/fonts/simkai.ttf', 300), ('line', 7, '主要河流'),
('rect', 0, '省界'), ('入侵县(区)', root + '/fonts/simsun.ttc', 240),
(c_or_r, 21, '9月(%s个)' % bins[8]), (c_or_r, 20, '8月(%s个)' % bins[7]),
(c_or_r, 19, '7月(%s个)' % bins[6]), (c_or_r, 18, '6月(%s个)' % bins[5]),
(c_or_r, 17, '5月(%s个)' % bins[4]), (c_or_r, 16, '4月(%s个)' % bins[3]),
(c_or_r, 15, '3月(%s个)' % bins[2]), (c_or_r, 14, '2月(%s个)' % bins[1]),
(c_or_r, 13, '1月(%s个)' % bins[0]),
('气象地理区划', root + '/fonts/simsun.ttc', 240), ('line', 4, '一级区划线'),
('line', 5, '二级区划线'), ('line', 6, '二级区划线')
]
body = body[:4] + body[-4 - month:]
if not limit: body = body[:-2]
# 图例
gisdraw.draw_style(paper,
800,
-500,
body,
mar=(100, 100),
recsize=(500, 250, 5),
font=(root + '/fonts/simsun.ttc', 240, 1),
box=20)
# 标题
gisdraw.draw_text(paper, '我国草地贪夜蛾入侵分布示意图\n截至2019年%d月%d日' % (month, day),
(800, 570), 1, (root + '/fonts/simkai.ttf', 480), 'lt',
'center')
# 标尺
paper[-400:] = 0
gisdraw.draw_ruler(paper, 600, 400, -600, -400, 5, {'init': 'epsg:4326'},
(root + '/fonts/times.ttf', 200), 1, 20, 100)
prj1, prj2 = pyproj.CRS({'init': 'epsg:4326'}), pyproj.CRS(rec.crs)
ct = pyproj.Transformer.from_crs(prj1, prj2)
print(ct.transform(125.87, 27.7))
#https://www.cnblogs.com/arxive/p/6103358.html?utm_source=itdadao&utm_medium=referral
rec_lt = [[4072223.5615089145], [2546481.2812095657]]
rec_rb = [[5762914.442890676], [67330.48957465217]]
new_lt = [[5948691], [3028251]]
loc = np.dot(np.linalg.inv(paper.mat[:, 1:]), new_lt - paper.mat[:, :1])
offset = rec_lt - np.dot(paper.mat[:, 1:] * 2, loc)
new_m = np.hstack((offset, paper.mat[:, 1:] * 2))
paper.mat = new_m
lt = np.dot(np.linalg.inv(paper.mat[:, 1:]), rec_lt - paper.mat[:, :1])
rb = np.dot(np.linalg.inv(paper.mat[:, 1:]), rec_rb - paper.mat[:, :1])
clip_back = gpd.overlay(rec, new_back)
gisdraw.draw_polygon(paper, clip_back,
clip_back['color_No_'].astype(int) + 7, 0)
gisdraw.draw_polygon(paper, gpd.overlay(rec, new_pro), 1, 10)
geom = rec['geometry'][0]
lines = [
geom.intersection(i) for i in new_bound['geometry']
if i.intersects(geom)
]
clip_bound = gpd.GeoDataFrame(lines, columns=['geometry'])
clip_bound.crs = rec.crs
gisdraw.draw_line(paper, clip_bound, 2, 50)
gisdraw.draw_line(paper, clip_bound, 3, 10)
clip_roi = gpd.overlay(rec, roi)
if point:
clip_roip = gpd.GeoDataFrame(clip_roi.centroid.buffer(10000),
columns=['geometry'],
crs=clip_roi.crs)
gisdraw.draw_polygon(paper, clip_roi, 2, 5)
else:
clip_roip = clip_roi
gisdraw.draw_polygon(paper, clip_roip, clip_roi['time'].astype(int) + 12,
0)
gisdraw.draw_polygon(paper, clip_roip, 2, 5)
clip_pro = gpd.overlay(rec, roi_pro)
gisdraw.draw_lab(paper, clip_pro, 'name', 1,
(root + '/fonts/simsun.ttc', 120), 'center')
gisdraw.draw_ruler(paper, int(lt[0]), int(lt[1]), int(rb[0]), int(rb[1]),
5, {'init': 'epsg:4326'},
(root + '/fonts/times.ttf', 120), 1, 10, 50)
gisdraw.draw_text(paper, '南海诸岛', (-2100, -1100), 1,
(root + '/fonts/simkai.ttf', 240), 'lt')
#mskimg = np.load(root+'/data/mark.npy')
mskimg = imread(root + ['/data/mark2.png', '/data/mark1.png'][limit])
gisdraw.draw_text(paper, '\n'.join(text), (3000, -1500), 1,
(root + '/fonts/simsun.ttc', 200), 'lb', 'left')
#print(mskimg.shape)
rgb = lut[paper]
del bound, back, line, river, area, rec, pro
del rpt, new_back, new_line, new_river, new_bound, new_area, new_pro
del roi, roi_pro, clip_back
gisdraw.draw_mask(rgb, mskimg)
del mskimg, paper
imsave(root + '/imgs/2019-%.2d-%.2d.png' % (month, day), rgb)
return rgb