GeoSpark->ST_PoinFromText

读取csv格式的数据，将对对应文本经纬度转成geometry类型的数据进行处理

1. 数据类型为CSV(带有表头信息)

2.测试代码如下：

import findspark
findspark.init()

from geospark.utils import KryoSerializer, GeoSparkKryoRegistrator
from geospark.core.SpatialRDD import PointRDD
from geospark.core.enums import FileDataSplitter
from pyspark.sql import SparkSession
from geospark.register import GeoSparkRegistrator
from geospark.utils.adapter import Adapter
from pyspark import SparkConf,SparkContext
from pyspark.sql.functions import *

spark = SparkSession.builder\
    .config("spark.serializer", KryoSerializer.getName)\
    .config("spark.kryo.registrator", GeoSparkKryoRegistrator.getName).\
      getOrCreate()
GeoSparkRegistrator.registerAll(spark)


inputLocation = r"D:\pycharm\pythonProject\GeoSpark\functions\taxi\taxi\taxi.csv"
df = spark.read.format("csv").option("header","true").load(inputLocation)
df.createOrReplaceTempView("view")
textSpatialDf = spark.sql("""
select *,'Point('||view.pickup_longitude||' '||view.pickup_latitude||')' as geom from view
""")
# df2.select("geom").show(truncate=False)
textSpatialDf.createOrReplaceTempView("textView")
spatialDf = spark.sql("""
select *,ST_PointFromText(textView.geom,'WKT') as geometry from textView
""")

spatialDf.show()
spatialDf.printSchema()

1. 测试结果如下:

+---------+-------------------+-------------------+---------------+-------------------+-------------------+------------------+---------+------------------+-------------------+--------
----------+------------+-----------+---------+-------+------------------+------------------+------------------+--------------------+--------------------+
|vendor_id|    pickup_datetime|   dropoff_datetime|passenger_count|      trip_distance|   pickup_longitude|   pickup_latitude|rate_code|store_and_fwd_flag|  dropoff_longitude|  dropof
f_latitude|payment_type|fare_amount|surcharge|mta_tax|        tip_amount|      tolls_amount|      total_amount|                geom|            geometry|
+---------+-------------------+-------------------+---------------+-------------------+-------------------+------------------+---------+------------------+-------------------+--------
----------+------------+-----------+---------+-------+------------------+------------------+------------------+--------------------+--------------------+
|      CMT|2014-01-09 20:45:25|2014-01-09 20:52:31|              1|0.69999999999999996|-73.994770000000003|40.736828000000003|        1|                 N|-73.982226999999995|40.73178
9999999997|         CRD|        6.5|      0.5|    0.5|1.3999999999999999|                 0|8.9000000000000004|Point(-73.9947700...|POINT (-73.99477 ...|
|      CMT|2014-01-09 20:46:12|2014-01-09 20:55:12|              1| 1.3999999999999999|-73.982392000000004|40.773381999999998|        1|                 N|-73.960448999999997|40.76399
5000000001|         CRD|        8.5|      0.5|    0.5|1.8999999999999999|                 0|              11.4|Point(-73.9823920...|POINT (-73.982392...|
|      CMT|2014-01-09 20:44:47|2014-01-09 20:59:46|              2| 2.2999999999999998|-73.988569999999996|40.739406000000002|        1|                 N|-73.986626000000001|
 40.765217|         CRD|       11.5|      0.5|    0.5|               1.5|                 0|                14|Point(-73.9885699...|POINT (-73.98857 ...|
|      CMT|2014-01-09 20:44:57|2014-01-09 20:51:40|              1|                1.7|-73.960212999999996|40.770463999999997|        1|                 N|-73.979862999999995|40.77705
0000000003|         CRD|        7.5|      0.5|    0.5|               1.7|                 0|10.199999999999999|Point(-73.9602129...|POINT (-73.960213...|
|      CMT|2014-01-09 20:47:09|2014-01-09 20:53:32|              1|0.90000000000000002|-73.995371000000006|40.717247999999998|        1|                 N|-73.984367000000006|40.72052
3999999997|         CRD|          6|      0.5|    0.5|              1.75|                 0|              8.75|Point(-73.9953710...|POINT (-73.995371...|
|      CMT|2014-01-09 20:45:07|2014-01-09 20:51:01|              1|0.90000000000000002|-73.983811000000003|40.749654999999997|        1|                 N|-73.989746999999994|40.75657
4999999998|         CRD|          6|      0.5|    0.5|1.3999999999999999|                 0|8.4000000000000004|Point(-73.9838110...|POINT (-73.983811...|
|      CMT|2014-01-09 20:44:04|2014-01-09 21:05:45|              1| 3.6000000000000001|-73.984138000000002|40.726317000000002|        1|                 N|-73.962868999999998|
 40.758443|         CRD|       16.5|      0.5|    0.5|              5.25|                 0|             22.75|Point(-73.9841380...|POINT (-73.984138...|
|      CMT|2014-01-09 20:43:23|2014-01-09 20:52:07|              1| 2.1000000000000001|         -73.979906|40.745849999999997|        1|                 N|-73.959090000000003|40.77363
9000000003|         CRD|          9|      0.5|    0.5|                 2|                 0|                12|Point(-73.979906 ...|POINT (-73.979906...|
|      CMT|2014-01-09 20:43:04|2014-01-09 20:54:29|              1| 3.3999999999999999|-73.981147000000007|40.758918000000001|        1|                 N|-73.942509999999999|40.78597
5000000001|         CRD|         12|      0.5|    0.5|2.6000000000000001|                 0|              15.6|Point(-73.9811470...|POINT (-73.981147...|
|      CMT|2014-01-09 20:50:23|2014-01-09 20:58:10|              1| 2.2999999999999998|-73.955192999999994|40.765467999999998|        1|                 N|-73.979022999999998|40.74057
7999999999|         CRD|          9|      0.5|    0.5|                 1|                 0|                11|Point(-73.9551929...|POINT (-73.955193...|
|      CMT|2014-01-09 20:51:36|2014-01-09 21:15:07|              1|                9.5|-73.885274999999993|40.773048000000003|        1|                 N|-73.980879000000002|40.77738
3999999998|         CRD|       28.5|      0.5|    0.5|              6.96|5.3300000000000001|41.789999999999999|Point(-73.8852749...|POINT (-73.885275...|
|      CMT|2014-01-09 20:48:04|2014-01-09 21:01:37|              1| 3.2999999999999998|-73.991782000000001|         40.748911|        1|                 N|-73.988359000000003|
 40.714205|         CRD|       12.5|      0.5|    0.5|4.0499999999999998|                 0|17.550000000000001|Point(-73.9917820...|POINT (-73.991782...|
|      CMT|2014-01-09 20:47:49|2014-01-09 20:56:11|              2|                1.8|-73.965716999999998|40.758674999999997|        1|                 N|-73.984059000000002|40.73744
8000000001|         CRD|        8.5|      0.5|    0.5|1.8999999999999999|                 0|              11.4|Point(-73.9657169...|POINT (-73.965717...|
|      CMT|2014-01-09 20:48:47|2014-01-09 20:56:52|              2| 1.3999999999999999|-73.977008999999995|40.751620000000003|        1|                 N|-73.982642999999996|40.76657
3999999999|         CRD|        7.5|      0.5|    0.5|               1.7|                 0|10.199999999999999|Point(-73.9770089...|POINT (-73.977009...|
|      CMT|2014-01-09 20:47:51|2014-01-09 21:02:31|              3| 2.6000000000000001|-73.977655999999996|40.753680000000003|        1|                 N|-73.952248999999995|
 40.777676|         CRD|       12.5|      0.5|    0.5|                 1|                 0|              14.5|Point(-73.9776559...|POINT (-73.977656...|
|      CMT|2014-01-09 20:49:49|2014-01-09 21:20:38|              1| 11.199999999999999|-73.788265999999993|40.647542000000001|        1|                 N|-73.949224999999998|40.65270
0000000003|         CRD|       35.5|      0.5|    0.5|                 0|                 0|              36.5|Point(-73.7882659...|POINT (-73.788266...|
|      CMT|2014-01-09 16:51:35|2014-01-09 17:00:17|              1|                1.7|         -74.007503|40.725991999999998|        1|                 N|-73.988181999999995|40.73458
3000000001|         CRD|        8.5|        1|    0.5|                 2|                 0|                12|Point(-74.007503 ...|POINT (-74.007503...|
|      CMT|2014-01-09 16:43:29|2014-01-09 16:59:15|              1| 4.7000000000000002|-74.014865999999998|         40.709353|        1|                 N|-73.986084000000005|40.75908
1000000002|         CRD|         16|        1|    0.5|                 4|                 0|              21.5|Point(-74.0148659...|POINT (-74.014866...|
|      CMT|2014-01-09 16:46:50|2014-01-09 16:56:41|              1| 1.6000000000000001|         -73.967675|         40.763109|        1|                 N|-73.952590999999998|40.77818
5999999998|         CRD|          9|        1|    0.5|2.1000000000000001|                 0|              12.6|Point(-73.967675 ...|POINT (-73.967675...|
|      CMT|2014-01-09 16:47:00|2014-01-09 17:37:58|              1| 17.899999999999999|-73.781730999999994|40.644728999999998|        2|                 N|-73.978604000000004|40.76182
2000000002|         CRD|         52|        0|    0.5|             11.56|5.3300000000000001|69.390000000000001|Point(-73.7817309...|POINT (-73.781731...|
+---------+-------------------+-------------------+---------------+-------------------+-------------------+------------------+---------+------------------+-------------------+--------
----------+------------+-----------+---------+-------+------------------+------------------+------------------+--------------------+--------------------+
only showing top 20 rows

root
 |-- vendor_id: string (nullable = true)
 |-- pickup_datetime: string (nullable = true)
 |-- dropoff_datetime: string (nullable = true)
 |-- passenger_count: string (nullable = true)
 |-- trip_distance: string (nullable = true)
 |-- pickup_longitude: string (nullable = true)
 |-- pickup_latitude: string (nullable = true)
 |-- rate_code: string (nullable = true)
 |-- store_and_fwd_flag: string (nullable = true)
 |-- dropoff_longitude: string (nullable = true)
 |-- dropoff_latitude: string (nullable = true)
 |-- payment_type: string (nullable = true)
 |-- fare_amount: string (nullable = true)
 |-- surcharge: string (nullable = true)
 |-- mta_tax: string (nullable = true)
 |-- tip_amount: string (nullable = true)
 |-- tolls_amount: string (nullable = true)
 |-- total_amount: string (nullable = true)
 |-- geom: string (nullable = true)
 |-- geometry: geometry (nullable = false)

当然其他方法也是可以转的；

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GeoSpark->ST_PoinFromText

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