CSPON-TSC/aiAgent_gd/test/testshapely.py

import json

from shapely.geometry import Point, LineString
from shapely.geometry import Polygon
from shapely.geometry import mapping

from shapely import from_geojson,wkt
# line = LineString([(0, 0), (1, 1), (1, 2)])
# print(line, type(line), line.geom_type)
# print(line.length)
#
# polygon = Polygon([(0, 0), (1, 1), (1, 0)])
# print(polygon, type(polygon))
# print(polygon.geom_type)
# print(polygon.area, polygon.length)

# 将wkt转换为Polygon
polygonWkt='MULTIPOLYGON(((119.652616545 30.619326244,119.653308106 30.6192068400001,119.653301582 30.6191492360001,119.653332341 30.619145093,119.653328569 30.6191012030001,119.653427638 30.619087812,119.653399781 30.618967131,119.65256685 30.619110945,119.652616545 30.619326244)))'
poly1= wkt.loads(polygonWkt)
print(poly1)

# 将geojson转换为Polygon
geojson1= {"type":"MultiPolygon","coordinates":[[[[119.652616545,30.619326244],[119.653308106,30.6192068400001],[119.653301582,30.6191492360001],[119.653332341,30.619145093],[119.653328569,30.6191012030001],[119.653427638,30.619087812],[119.653399781,30.618967131],[119.65256685,30.619110945],[119.652616545,30.619326244]]]]}
d1= json.dumps(geojson1)
poly2= from_geojson(d1)
print(poly2)

# 将图形转换为geojson对象
m1= mapping(poly1)
print(m1)

#将图形转换为wkt
print(poly1.wkt)

# 返回图形的几何质心
print(poly1.centroid)

# st_intersection 求两个图形的交集
geom2=wkt.loads('Polygon ((119.65298614705055513 30.61934413666951471, 119.65293410618417624 30.61917041201261469, 119.65310936145479559 30.61913750381769361, 119.6531606370143237 30.61929515703056381, 119.6531606370143237 30.61929515703056381, 119.65298614705055513 30.61934413666951471))')
print(geom2)
print('----------------------------')
intersectGeom= poly1.intersection(geom2)
print(intersectGeom.wkt)
# todo：图形坐标系转换
print(intersectGeom.area)

print('------------------------------')
# 如果两个图形没有交集
p3=wkt.loads('MULTIPOLYGON(((120.082105344 28.6665560710001,120.082159683 28.6663942110001,120.082249048 28.6661593010001,120.082324094 28.666001759,120.082436831 28.6653584330001,120.082437215 28.665356106,120.08243739 28.66535494,120.082437554 28.665353773,120.082437706 28.6653526040001,120.082437846 28.665351435,120.082437975 28.665350265,120.082438092 28.665349093,120.082438199 28.665347921,120.082438293 28.665346748,120.082438376 28.6653455740001,120.082438446 28.6653444,120.082438506 28.6653432260001,120.082438554 28.66534205,120.082438591 28.665340874,120.082438616 28.6653396990001,120.082438629 28.6653385230001,120.082438631 28.665337347,120.082438621 28.665336172,120.0824386 28.665334995,120.082438566 28.6653338190001,120.082438522 28.665332645,120.082438466 28.6653314700001,120.082438398 28.665330295,120.082438319 28.6653291210001,120.082438228 28.665327948,120.082438126 28.665326776,120.082438011 28.665325604,120.082437886 28.665324433,120.082437749 28.6653232640001,120.0824376 28.6653220950001,120.08243744 28.665320927,120.082437268 28.665319762,120.082437085 28.6653185970001,120.082436891 28.665317433,120.082436685 28.6653162710001,120.082436468 28.665315111,120.082436239 28.6653139530001,120.082435998 28.665312796,120.082435747 28.6653116410001,120.082435484 28.665310488,120.08243521 28.665309338,120.082434925 28.665308189,120.082434627 28.665307043,120.082434319 28.665305898,120.082433999 28.6653047570001,120.082433669 28.6653036180001,120.082433326 28.665302481,120.082432973 28.665301347,120.082432609 28.665300216,120.082432234 28.6652990870001,120.082431848 28.6652979620001,120.08243145 28.6652968400001,120.082431041 28.6652957210001,120.082430621 28.6652946040001,120.082430191 28.665293492,120.082429749 28.6652923820001,120.082429297 28.6652912750001,120.082428834 28.6652901730001,120.082428359 28.665289074,120.082427875 28.665287978,120.082427379 28.665286887,120.082426872 28.6652857990001,120.082426355 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28.667651263,120.080145858 28.667651699,120.080146815 28.667652128,120.080147776 28.667652549,120.080148741 28.6676529640001,120.080149712 28.66765337,120.080150685 28.667653769,120.080151662 28.66765416,120.080152643 28.6676545440001,120.080153629 28.6676549200001,120.080154617 28.667655289,120.08015561 28.66765565,120.080156606 28.667656003,120.080157605 28.667656349,120.080158608 28.667656687,120.080159614 28.6676570170001,120.080160623 28.6676573400001,120.080161636 28.667657654,120.080162651 28.667657961,120.08016367 28.6676582600001,120.080164692 28.667658552,120.080165716 28.6676588350001,120.080166743 28.66765911,120.080167773 28.6676593770001,120.080168805 28.667659637,120.08016984 28.667659889,120.080170878 28.667660132,120.080171918 28.6676603670001,120.080172959 28.667660594,120.080174004 28.667660814,120.080175051 28.667661025,120.080176098 28.667661228,120.080177149 28.6676614240001,120.080178201 28.667661611,120.080179256 28.6676617900001,120.080180312 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28.667331861,120.081085907 28.6673316660001,120.081085753 28.667331473,120.081085596 28.66733128,120.081085438 28.6673310890001,120.081085277 28.667330899,120.081085116 28.667330711,120.081084952 28.667330523,120.081084785 28.6673303370001,120.081084618 28.667330153,120.081084448 28.66732997,120.081084276 28.667329787,120.081084103 28.6673296070001,120.081083928 28.6673294280001,120.081083751 28.66732925,120.081064217 28.6673098000001,120.081110164 28.6672739040001,120.081143777 28.667307372,120.081146736 28.667310081,120.081177765 28.6672987270001,120.081193192 28.66729287,120.081208561 28.667286893,120.081223869 28.667280797,120.081239115 28.6672745820001,120.081254299 28.6672682490001,120.081269419 28.6672617990001,120.081284474 28.66725523,120.081299463 28.6672485450001,120.081314384 28.667241744,120.081329237 28.667234826,120.08134402 28.667227794,120.081358732 28.6672206470001,120.081373373 28.6672133860001,120.08138794 28.6672060110001,120.081402433 28.667198523,120.081416849 28.6671909230001,120.08143119 28.6671832110001,120.081445453 28.667175388,120.081459638 28.667167454,120.081473742 28.6671594110001,120.081487765 28.6671512570001,120.081501707 28.6671429950001,120.081515565 28.6671346250001,120.08152934 28.6671261480001,120.081543029 28.667117564,120.081556631 28.6671088740001,120.081570146 28.667100078,120.081583573 28.667091177,120.081596909 28.667082173,120.081610157 28.6670730650001,120.081623312 28.667063855,120.081636374 28.6670545420001,120.081649343 28.667045129,120.081662217 28.667035614,120.081674996 28.6670260010001,120.081687678 28.6670162880001,120.081700262 28.667006477,120.081712748 28.666996569,120.081725134 28.666986563,120.08173742 28.666976462,120.081749605 28.666966266,120.081761687 28.6669559750001,120.081773666 28.6669455910001,120.08178554 28.6669351140001,120.08179731 28.666924544,120.081808972 28.666913885,120.081820529 28.666903135,120.081831977 28.666892295,120.081843316 28.666881367,120.081854545 28.6668703500001,120.081865665 28.666859247,120.081876672 28.6668480590001,120.081887568 28.666836785,120.081898351 28.666825427,120.081909019 28.666813985,120.081919573 28.66680246,120.081930011 28.6667908540001,120.081940333 28.6667791670001,120.081950536 28.6667674010001,120.081960623 28.6667555560001,120.08197059 28.6667436330001,120.081980439 28.6667316320001,120.081990167 28.666719555,120.081999772 28.6667074040001,120.082009258 28.6666951780001,120.08201862 28.6666828790001,120.082027858 28.666670508,120.082036973 28.666658064,120.082045963 28.666645552,120.082054828 28.666632969,120.082063567 28.6666203180001,120.082072178 28.666607599,120.082080662 28.6665948140001,120.082089018 28.6665819630001,120.082097245 28.666569049,120.082105344 28.6665560710001)))')
p4=wkt.loads('MULTIPOLYGON(((120.28778137 27.6085205470001,120.287755313 27.608752823,120.287957481 27.6087783620001,120.288011254 27.6087851550001,120.288046687 27.608789631,120.288045439 27.60879706,120.288041679 27.608813105,120.288040698 27.6088169400001,120.288035965 27.6088296300001,120.288022826 27.6088548230001,120.287999676 27.608894935,120.287997493 27.6089001230001,120.287994128 27.6089120230001,120.287990779 27.6089391350001,120.287990101 27.6089508580001,120.287990154 27.6089560390001,120.287990197 27.6089602760001,120.287990138 27.608984229,120.287989763 27.608988331,120.287987559 27.609005564,120.287987186 27.609007595,120.287981852 27.609036571,120.287978707 27.6090506130001,120.287976054 27.6090624550001,120.288023447 27.609072487,120.288474721 27.6091680100001,120.288545544 27.6091830010001,120.288548569 27.6091820080001,120.288553214 27.609180221,120.288557747 27.609178199,120.288562137 27.609175952,120.288566385 27.6091734980001,120.288570481 27.609170836,120.288574394 27.6091679670001,120.288578134 27.609164918,120.288581671 27.6091616890001,120.288584995 27.6091582890001,120.288588106 27.609154727,120.288590993 27.6091510210001,120.288593648 27.6091471720001,120.288596058 27.6091432050001,120.288598205 27.609139122,120.288600109 27.609134931,120.288601739 27.6091306590001,120.288603105 27.609126315,120.288613794 27.60908822,120.28866924 27.6088905770001,120.288684081 27.608837674,120.288687988 27.6088387880001,120.288696498 27.6088084570001,120.288709613 27.608761707,120.2887595 27.608583885,120.288532147 27.608528258,120.288437877 27.6085051920001,120.288424242 27.608501856,120.28830477 27.6084832220001,120.288283437 27.6084798950001,120.288044086 27.6084204160001,120.288027993 27.6084164170001,120.288018042 27.6084139450001,120.287836669 27.608383616,120.287797143 27.608379948,120.287795564 27.60839402,120.28778137 27.6085205470001)))')
p5= p3.intersection(p4)
print(p5,p5.area)