✅ 核心代码: fromsedona.register.geo_registratorimportSedonaRegistratorfromsedona.utils.adapterimportAdapterfromsedona.core.SpatialRDDimportPointRDD, PolygonRDDfrompyspark.sqlimportSparkSessionfromsedona.core.enumsimportFileDataSplitterfromsedona.core.geom.envelopeimportEnvelope# 创建 Spark 会话spark = SparkSessio...
Types of geospatial data formats GIS uses two main geospatial data file formats: raster data and vector data. Raster data Raster data consists of grids or cells of pixels with spatial information associated with each cell, such as elevation, temperature or even land use. Raster data is used to...
In the first step of this tutorial, you will import features or layers from a file geodatabase, along with a georeferenced aerial image into your scene. Import layers You can import the data with the menu by going to File > Import. Select File GDB Import located in the CityEngine Layers...
Data & AI Driving efficient operations at bp bioenergy Read article in Esri's WhereNext Magazine Infrastructure Modernizing transit in Brisbane with digital twins Play episode from Esri's podcast New and newsworthy Product releases, upcoming events, partnerships, and more from Esri ...
>>> f = pymapgis.Reader('/home/user/data/boundary.wp') 使用语境管理器 pymapgis.Reader类可以用作语境管理器,这样可以保证当数据读取结束时, 文件对象能被正确关闭。 >>> with pymapgis.Reader('boundary.wp') as f: ... print(f) mapgis file Reader ...
Awesome GIS is a collection of geospatial related sources, including cartographic tools, geoanalysis tools, developer tools, data, conference & communities, news, massive open online course, some amazing map sites, and more. Please contribute. Let's make this guide better!Please follow theContributi...
fs.writeFile('china.province.json.gz', bufferdata,(err1)=>{if(err1)throwerr1; }); }); 测试压缩5M的GeoJSON数据,压缩完2M左右。 减少无用属性信息 GeoJSON中能够存储对象的对应属性信息,在地图不必要绘制的,可以删除掉,这样能够减少数据量。
Data Types There are four typical data types that we use in GIS: integer, float/real, text/string, and date. It is important that we specify which data type we are going to use to store information in the computer’s memory, so that we may use the computer’s memory in the most ef...
GIScore provides the capability to perform streaming input and output of data from different file formats with an emphasis on GIS file formats such as ESRI Shapefiles or geo-databases (GDB) and Google Earth KML/KMZ. As time went on it was extended to include other record oriented formats tha...
NSIDC Frozen Ground maps: Maps of various types of frozen ground (permafrost) in the Arctic and various other areas. Data can be downloaded by clicking on the map name then selecting 'Access Data' Multisensor Analyzed Sea Ice Extent (MAISE): Sea ice extent for the Northern Hemisphere from ...