解析
 
from datetime import *
import time
import calendar
import json
import numpy as np
from struct import *
import binascii
import netCDF4 file = open(r"D:/radarDataTest/Z_QPF_20140831203600.F030.bin", "rb")
data = file.read();
print(len(data))
file.close()
#
file = open(r"D:/radarDataTest/Z_QPF_20140831203600.F030.bin", "rb")
length = 0 zonName,dataName,flag,version, = unpack("12s38s8s8s", file.read(12+38+8+8))
zonName = zonName.decode("gbk").rstrip('\x00')
dataName = dataName.decode("gbk").rstrip('\x00')
flag = flag.decode("gbk").rstrip('\x00')
version = version.decode("gbk").rstrip('\x00')
length = length + 12+38+8+8
#
print(zonName)
print("数据说明: " + dataName)
print("文件标志: " + flag)
print("数据版本号: " + version) #
year,month,day,hour,minute,interval, = unpack("HHHHHH", file.read(2+2+2+2+2+2))
print("时间: "+str(year)+"-"+str(month)+"-"+str(day)+" "+str(hour)+":"+str(minute))
print("时段长: "+str(interval))
length = length + 2+2+2+2+2+2 #
XNumGrids,YNumGrids,ZNumGrids, = unpack("HHH", file.read(2+2+2))
print("X: " + str(XNumGrids)+" Y: "+str(YNumGrids)+" Z:"+str(ZNumGrids))
length = length + 2+2+2 #
RadarCount, = unpack("i", file.read(4))
print("拼图雷达数: " + str(RadarCount))
length = length + 4 #
StartLon,StartLat,CenterLon,CenterLat,XReso,YReso, = unpack("ffffff", file.read(4+4+4+4+4+4))
print("开始经度: "+str(StartLon)+" 开始纬度:"+str(StartLat)+" 中心经度:"+str(CenterLon)+" 中心纬度:"+str(CenterLat))
print("经度方向分辨率:"+str(XReso)+" 纬度方向分辨率:"+str(YReso))
length = length + 4+4+4+4+4+4 ZhighGrids=[]
for i in range(0, 40):
ZhighGrid, = unpack("f", file.read(4))
ZhighGrids.append(ZhighGrid)
print("垂直方向的高度:"+str(ZhighGrids))
length = length + 40*4 #
RadarStationNames=[]
for i in range(0, 20):
RadarStationName, = unpack("16s", file.read(16))
RadarStationName = RadarStationName.decode("gbk")
RadarStationNames.append(RadarStationName.rstrip('\x00'))
print("相关站点名称:"+str(RadarStationNames))
length = length + 20*16 #
RadarLongitudes=[]
for i in range(0, 20):
RadarLongitude, = unpack("f", file.read(4))
RadarLongitudes.append(RadarLongitude)
print("相关站点所在经度:"+str(RadarLongitudes))
length = length + 20*4 #
RadarLatitudes=[]
for i in range(0, 20):
RadarLatitude, = unpack("f", file.read(4))
RadarLatitudes.append(RadarLatitude)
print("相关站点所在纬度:"+str(RadarLatitudes))
length = length + 20*4 #
RadarAltitudes=[]
for i in range(0, 20):
RadarAltitude, = unpack("f", file.read(4))
RadarAltitudes.append(RadarAltitude)
print("相关站点所在海拔高度:"+str(RadarAltitudes))
length = length + 20*4 #
MosaicFlags=[]
for i in range(0, 20):
MosaicFlag, = unpack("B", file.read(1))
MosaicFlags.append(MosaicFlag)
print("该相关站点数据是否包含在本次拼图中:"+str(MosaicFlags))
length = length + 20*1 #
m_iDataType, = unpack("h", file.read(2))
print("数据类型定义:"+str(m_iDataType))
if m_iDataType==0:
print("unsigned char")
elif m_iDataType==1:
print("char")
elif m_iDataType==2:
print("unsigned short")
elif m_iDataType==3:
print("short")
elif m_iDataType==4:
print("unsigned short")
length = length + 2 #
m_iLevelDimension, = unpack("h", file.read(2))
print("每一层的向量数:"+str(m_iLevelDimension))
length = length + 2 #
Reserveds=[]
Reserveds, = unpack("168s", file.read(168))
Reserveds = Reserveds.decode("gbk").rstrip('\x00')
print("该相关站点数据是否包含在本次拼图中: "+Reserveds)
length = length + 168 #打印数据
valueZYX = []
for i in range(0, ZNumGrids):
valueYX = []
for j in range(0, YNumGrids):
valueX = []
for k in range(0, XNumGrids):
value, = unpack("h", file.read(2))
#value, = unpack("b", file.read(1))
'''
if value > 0:
print(value)
'''
valueX.append(value)
valueYX.append(valueX)
valueZYX.append(valueYX)
#
#print("数据:"+str(valueZYX))
length = length + ZNumGrids*YNumGrids*XNumGrids*2
print(length)
#
print("----------------------------数据----------------------------") file.close()
生成ASCII
import time
from struct import * start = time.clock()
file = open(r"D:/radarDataTest/Z_QPF_20140831203600.F030.bin", "rb")
#
zonName,dataName,flag,version, = unpack("12s38s8s8s", file.read(12+38+8+8))
zonName = zonName.decode("gbk").rstrip('\x00')
dataName = dataName.decode("gbk").rstrip('\x00')
flag = flag.decode("gbk").rstrip('\x00')
version = version.decode("gbk").rstrip('\x00') #
print(zonName)
print("数据说明: " + dataName)
print("文件标志: " + flag)
print("数据版本号: " + version)
#
length = 0
length = length + 2+2+2+2+2+2 # 时间说明
file.read(length) XNumGrids,YNumGrids,ZNumGrids, = unpack("HHH", file.read(2+2+2))
print("X: " + str(XNumGrids)+" Y: "+str(YNumGrids)+" Z:"+str(ZNumGrids)) length = 0
length = length + 4 # 拼图雷达数
file.read(length)
#
StartLon,StartLat,CenterLon,CenterLat,XReso,YReso, = unpack("ffffff", file.read(4+4+4+4+4+4))
print("开始经度: "+str(StartLon)+" 开始纬度:"+str(StartLat)+" 中心经度:"+str(CenterLon)+" 中心纬度:"+str(CenterLat))
print("经度方向分辨率:"+str(XReso)+" 纬度方向分辨率:"+str(YReso)) ZhighGrids=[]
for i in range(0, 40):
ZhighGrid, = unpack("f", file.read(4))
ZhighGrids.append(ZhighGrid)
print(" 垂直方向的高度:"+str(ZhighGrids)) #
length = 0
length = length + 20*16 # 相关站点名称
length = length + 20*4 # 相关站点所在经度
length = length + 20*4 # 相关站点所在纬度
length = length + 20*4 # 相关站点所在海拔高度
length = length + 20*1 # 该相关站点数据是否包含在本次拼图中
length = length + 2 # 数据类型定义
length = length + 2 # 每一层的向量数
length = length + 168 # 保留信息
file.read(length) textZYX = []
for i in range(0, ZNumGrids):
textYX = []
for j in range(0, YNumGrids):
textX = []
for k in range(0, XNumGrids):
value, = unpack("h", file.read(2))
textX.append(str(value))
textYX.append(' '.join(textX))
textZYX.append('\n'.join(textYX))
file.close() #
#------------------------------------------------------------------------------- file_object = open('ASCIIData.txt', 'w')
file_object.write("NCOLS " + str(XNumGrids) + "\n")
file_object.write("NROWS " + str(YNumGrids) + "\n")
file_object.write("XLLCENTER " + str(StartLon) + "\n")
file_object.write("YLLCENTER " + str(StartLat - YReso * (YNumGrids - 1)) + "\n") # round(YReso, 3) *
file_object.write("CELLSIZE " + str(XReso) + "\n")
file_object.write("NODATA_VALUE " + str(-9999) + "\n")
#
#
file_object.writelines(textZYX[0])
file_object.close()
end = time.clock()
print("read: %f s" % dateSpanTransfer)
dateSpanTransfer = end - start #-------------------------------------------------------------------------------
生成Image(.img)
import time
from struct import *
from osgeo import gdal, osr
from osgeo.gdalconst import *
import numpy start = time.clock()
file = open(r"D:/radarDataTest/Z_QPF_20140831203600.F030.bin", "rb")
#
zonName,dataName,flag,version, = unpack("12s38s8s8s", file.read(12+38+8+8))
zonName = zonName.decode("gbk").rstrip('\x00')
dataName = dataName.decode("gbk").rstrip('\x00')
flag = flag.decode("gbk").rstrip('\x00')
version = version.decode("gbk").rstrip('\x00') #
print(zonName)
print("数据说明: " + dataName)
print("文件标志: " + flag)
print("数据版本号: " + version)
#
length = 0
length = length + 2+2+2+2+2+2 # 时间说明
file.read(length) XNumGrids,YNumGrids,ZNumGrids, = unpack("HHH", file.read(2+2+2))
print("X: " + str(XNumGrids)+" Y: "+str(YNumGrids)+" Z:"+str(ZNumGrids)) length = 0
length = length + 4 # 拼图雷达数
file.read(length)
#
StartLon,StartLat,CenterLon,CenterLat,XReso,YReso, = unpack("ffffff", file.read(4+4+4+4+4+4))
print("开始经度: "+str(StartLon)+" 开始纬度:"+str(StartLat)+" 中心经度:"+str(CenterLon)+" 中心纬度:"+str(CenterLat))
print("经度方向分辨率:"+str(XReso)+" 纬度方向分辨率:"+str(YReso)) ZhighGrids=[]
for i in range(0, 40):
ZhighGrid, = unpack("f", file.read(4))
ZhighGrids.append(ZhighGrid)
print(" 垂直方向的高度:"+str(ZhighGrids)) #
length = 0
length = length + 20*16 # 相关站点名称
length = length + 20*4 # 相关站点所在经度
length = length + 20*4 # 相关站点所在纬度
length = length + 20*4 # 相关站点所在海拔高度
length = length + 20*1 # 该相关站点数据是否包含在本次拼图中
length = length + 2 # 数据类型定义
length = length + 2 # 每一层的向量数
length = length + 168 # 保留信息
file.read(length) valueZYX = []
for i in range(0, ZNumGrids):
valueYX = []
for j in range(0, YNumGrids):
valueX = []
for k in range(0, XNumGrids):
value, = unpack("h", file.read(2))
valueX.append(value)
valueYX.append(valueX)
valueZYX.append(valueYX)
file.close()
#
#
#------------------------------------------------------------------------------- end = time.clock()
dateSpanTransfer = end - start
print("read: %f s" % dateSpanTransfer)
#
#
driver = gdal.GetDriverByName('HFA')
driver.Register()
dataSetImg = driver.Create( "D:/radarDataTest/edarsImage.img", XNumGrids, YNumGrids, 1, gdal.GDT_Float32 )
#
dataSetImg.SetGeoTransform( [ StartLon, XReso, 0, StartLat, 0, -YReso ] )
#
srs = osr.SpatialReference()
srs.SetWellKnownGeogCS( 'WGS84' )
dataSetImg.SetProjection( srs.ExportToWkt() )
#
value2D = numpy.matrix( valueYX, dtype=numpy.float32 )
dataSetImg.GetRasterBand(1).WriteArray( value2D )
#
dataSetImg = None #datasource.Destroy()
#-------------------------------------------------------------------------------
生成netCDF
from datetime import *
import time
import calendar
import json
import numpy as np
from struct import *
import binascii
import numpy
from numpy.random import uniform
from netCDF4 import Dataset start = time.clock()
file = open(r"D:/radarDataTest/Z_QPF_20140831203600.F030.bin", "rb")
#
zonName,dataName,flag,version, = unpack("12s38s8s8s", file.read(12+38+8+8))
zonName = zonName.decode("gbk").rstrip('\x00')
dataName = dataName.decode("gbk").rstrip('\x00')
flag = flag.decode("gbk").rstrip('\x00')
version = version.decode("gbk").rstrip('\x00') #
print(zonName)
print("数据说明: " + dataName)
print("文件标志: " + flag)
print("数据版本号: " + version)
#
length = 0
length = length + 2+2+2+2+2+2 # 时间说明
file.read(length) XNumGrids,YNumGrids,ZNumGrids, = unpack("HHH", file.read(2+2+2))
print("X: " + str(XNumGrids)+" Y: "+str(YNumGrids)+" Z:"+str(ZNumGrids)) length = 0
length = length + 4 # 拼图雷达数
file.read(length)
#
StartLon,StartLat,CenterLon,CenterLat,XReso,YReso, = unpack("ffffff", file.read(4+4+4+4+4+4))
print("开始经度: "+str(StartLon)+" 开始纬度:"+str(StartLat)+" 中心经度:"+str(CenterLon)+" 中心纬度:"+str(CenterLat))
print(" 经度方向分辨率:"+str(XReso)+" 纬度方向分辨率:"+str(YReso)) ZhighGrids=[]
for i in range(0, 40):
ZhighGrid, = unpack("f", file.read(4))
ZhighGrids.append(ZhighGrid)
print(" 垂直方向的高度:"+str(ZhighGrids)) #
length = 0
length = length + 20*16 # 相关站点名称
length = length + 20*4 # 相关站点所在经度
length = length + 20*4 # 相关站点所在纬度
length = length + 20*4 # 相关站点所在海拔高度
length = length + 20*1 # 该相关站点数据是否包含在本次拼图中
length = length + 2 # 数据类型定义
length = length + 2 # 每一层的向量数
length = length + 168 # 保留信息
file.read(length) valueZYX = []
for i in range(0, ZNumGrids):
valueYX = []
for j in range(0, YNumGrids):
valueX = []
for k in range(0, XNumGrids):
#value, = unpack("h", file.read(2))
#textX.append(str(value/10.0))
value, = unpack("b", file.read(1))
textX.append(str(value*2+66.0))
valueYX.append(valueX)
valueZYX.append(valueYX)
file.close()
#
valueXYZ = []
for k in range(0, XNumGrids):
for j in range(0, YNumGrids):
for i in range(0, ZNumGrids):
valueXYZ.append(valueZYX[i][j][k]) #
file = open(r"D:/radarDataTest/Z_QPF_20140831203600.F030.bin", "rb")
rootgrp = Dataset("test.nc", "w", format="NETCDF4")
#rootgrp = Dataset("test.nc", "a")
#fcstgrp = rootgrp.createGroup("forecasts") lon = rootgrp.createDimension("lon", XNumGrids)
lat = rootgrp.createDimension("lat", YNumGrids)
alt = rootgrp.createDimension("alt", ZNumGrids) lon = rootgrp.createVariable("lon", "f8", ("lon",))
lat = rootgrp.createVariable("lat", "f8", ("lat",))
alt = rootgrp.createVariable("alt", "f8", ("alt",)) #val = rootgrp.createVariable("val","f4",("zz","yy","xx",))
val = rootgrp.createVariable("val","f4",("lon","lat","alt",)) #
rootgrp.description = dataName
rootgrp.history = "创建时间: " + time.strftime('%Y-%m-%d %X', time.localtime())
rootgrp.Source_Software = "SmartMap"
#
lon.units = "degrees_east"
lon.long_name = "longitude coordinate"
lon.standard_name = "longitude"
#
lat.units = "degrees_north"
lat.long_name = "latitude coordinate"
lat.standard_name = "latitude"
#
alt.units = "m"
alt.long_name = "altitude"
alt.standard_name = "heigh"
#
val.long_name = "value"
val.esri_pe_string = 'GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]'
val.coordinates = "lon lat alt"
val.units = "Degree"
val.missing_value = -9999 #interval = 0.009999999776482582
interval = 0.01
#x = numpy.arange(-90,91,2.5) x = []
for i in range(0, XNumGrids):
x.append(StartLon + i * round(XReso, 3))
#x = numpy.array(x)
lon[:] = x #
#y = numpy.arange(-180,180,2.5)
y = []
for i in range(0, YNumGrids):
y.append(StartLat - i * round(YReso, 3))
#y = numpy.array(y)
lat[:] = y
# z = []
for i in range(0, ZNumGrids):
z.append(ZhighGrids[i])
#z = numpy.array(z)
alt[:] = z
# #kk = uniform(size=(2,3,4,5))
#print(kk) #val[::]=valueZYX
val[::] = valueXYZ #
rootgrp.close()

Python解析SWAN气象雷达数据--(解析、生成ASCII、Image、netCDF)的更多相关文章

  1. python爬虫的页面数据解析和提取/xpath/bs4/jsonpath/正则(1)

    一.数据类型及解析方式 一般来讲对我们而言,需要抓取的是某个网站或者某个应用的内容,提取有用的价值.内容一般分为两部分,非结构化的数据 和 结构化的数据. 非结构化数据:先有数据,再有结构, 结构化数 ...

  2. python爬虫---爬虫的数据解析的流程和解析数据的几种方式

    python爬虫---爬虫的数据解析的流程和解析数据的几种方式 一丶爬虫数据解析 概念:将一整张页面中的局部数据进行提取/解析 作用:用来实现聚焦爬虫的吧 实现方式: 正则 (针对字符串) bs4 x ...

  3. 数据解析_bs进行数据解析

    1.bs4进行数据解析 数据解析的原理 1.标签定位 2.提取标签,标签属性中存储的数据值 bs4数据解析的原理 1.实例化一个BeautifulSoup对象,并且将页面源码数据加载到该对象中 2.通 ...

  4. Python爬虫之三种数据解析方式

    一.引入 二.回顾requests实现数据爬取的流程 指定url 基于requests模块发起请求 获取响应对象中的数据 进行持久化存储 其实,在上述流程中还需要较为重要的一步,就是在持久化存储之前需 ...

  5. 05 Python网络爬虫的数据解析方式

    一.爬虫数据解析的流程 1.指定url 2.基于requests模块发起请求 3.获取响应中的数据 4.数据解析 5.进行持久化存储 二.解析方法 (1)正则解析 (2)bs4解析 (3)xpath解 ...

  6. Unity3d-XML文件数据解析&JSON数据解析

    1.XML文件数据解析:(首先须要导入XMLParser解析器,The latest released download from:http://dev.grumpyferret.com/unity/ ...

  7. python爬虫的页面数据解析和提取/xpath/bs4/jsonpath/正则(2)

    上半部分内容链接 : https://www.cnblogs.com/lowmanisbusy/p/9069330.html 四.json和jsonpath的使用 JSON(JavaScript Ob ...

  8. 如何使用fastJson来解析JSON格式数据和生成JSON格式数据

    由于项目用到了JSON格式的数据,在网上搜索到了阿里的fastjson比较好用,特此记录fastjson用法,以备以后查询之用. decode: 首先创建一个JSON解析类: public class ...

  9. python+jinja2实现接口数据批量生成工具

    在做接口测试的时候,我们经常会遇到一种情况就是要对接口的参数进行各种可能的校验,手动修改很麻烦,尤其是那些接口参数有几十个甚至更多的,有没有一种方法可以批量的对指定参数做生成处理呢. 答案是肯定的! ...

随机推荐

  1. C++命名空间、函数重载、缺省参数、内联函数、引用

    一 .C++入门 1.C++关键字 2.命名空间 3.C++输入&输出 4.缺省参数 5.函数重载 6.引用 7.内联函数 8.auto关键字 9.基于范围的for循环 10.指针空值null ...

  2. Android UiAutomator UiDevice API

    UiDevice为单例模式 1.获取设备 static UiDevice getInstance() This method is deprecated. Should use getInstance ...

  3. 利用BitviseSSH免root实现Windows vs Linux的文件互传

    虚拟机截图,,,质量有点差,大家看看! ------------------- 在拿不到Linux root账户的情况下,winscp等工具是无法实现文件传输的,此时我们可以借用Bitvise SSH ...

  4. javascript双等号引起的类型转换

    隐性类型转换步骤 一.首先看双等号前后有没有NaN,如果存在NaN,一律返回false. 二.再看双等号前后有没有布尔,有布尔就将布尔转换为数字.(false是0,true是1) 三.接着看双等号前后 ...

  5. 四则运算2及psp0设计

    随机生成运算式,要求: 1.题目避免重复. 2.可定制(数量/打印方式). 3.可以控制一下参数. 要求:是否有乘除法,是否有括号,数值范围,加减有无负数,除法有无余数. 刚开始看到这样一个题目感觉还 ...

  6. Hibernate 抛出的 Could not execute JDBC batch update

    异常堆栈 org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update at or ...

  7. Android 7.0 FileProvider 使用说明

    FileProvider FileProvider 这个组件在Android 22.0.0 (也就是 Android 5.0 ) 版本下加入进Android系统,该组件是ContentProvider ...

  8. Linux命令-用户、用户组、权限

    参考资料: http://www.linuxidc.com/Linux/2014-07/104445.htm    Linux入门教程:如何手动创建一个Linux用户 http://www.linux ...

  9. (转)linux内核调优参数对比和解释

    [net] ######################## cat /proc/sys/net/ipv4/tcp_syncookies # 默认值:1 # 作用:是否打开SYN Cookie功能,该 ...

  10. Pipenv——最好用的python虚拟环境和包管理工具

    pipenv 是Kenneth Reitz大神的作品,能够有效管理Python多个环境,各种包.过去我们一般用virtualenv搭建虚拟环境,管理python版本,但是跨平台的使用不太一致,且有时候 ...