Background A fan raised a request while conducting a geographic information census: they wanted to batch add vector data from multiple databases under several folders and merge them into one based on the same name. As shown in the geographic database below. Below is the content of the database: Merge into one file. The fan … Read more
“ Sharing basic operations of Geopandas.” First, here is the link to the sample data: https://pan.baidu.com/s/1bAnUo0S_ojxXdkyBqWAnLg?pwd=gxu2 Extraction code: gxu2 01 — Reading and Saving Shapefiles Using the gpd.from_file() function from geopandas, spatial data can be easily read. In [1]: import geopandas as gpd# Adjust according to local file pathIn [2]: fp = "…/DAMSELFISH_distributions.shp" In [3]: … Read more
In the production and collection activities of natural resource geographic information data, ArcGIS and ArcGIS Pro are possibly the most widely used GIS software. Correspondingly, Geodatabase databases (File GDB, Personal GDB) are also the most widely used formats for data production and aggregation. In the geographic information data collection and mapping production activities based on … Read more
#-*- coding: utf-8 -*- # This script can be used for conversion between GDB and MDB import arcpy import os print("Please enter the database") SRSJK = r'D:\工作\数据处理\20250616\Project360702.gdb' clean_path = SRSJK.rstrip(os.sep) print(clean_path) srsjkhzm = os.path.splitext(clean_path)[1] print("Database entered, the type of database you entered is " + srsjkhzm) print("Please enter the folder for the output database") SCSJKLJ … Read more
1. Background and Significance In our daily work, we sometimes need to batch convert database tables into points. ArcGIS does not provide a direct tool for this, so we need to link several tools together in the model builder to create a new tool. Please continue reading. 2. General Approach Use the “Iterate Tables” iterator … Read more
Introduction: This article is a submission from the adorable Nannan♂ of 【DianDian GIS】, which has been sitting with me for half a month. If I don’t publish it soon, he might kill me. So without further ado, here is his article~ The original intention of writing this article was that manual clipping was too exhausting … Read more
It was a memorable Friday evening when I attempted to process five million GPS records of taxis in New York City using GeoPandas, and my 16GB RAM MacBook Pro began to roar like a helicopter taking off. This wasn’t my first time encountering issues during geospatial analysis, but watching the Jupyter kernel crash repeatedly made … Read more
Are you often confused by the variety of file extensions in ArcMap, constantly screaming “Who am I? Where am I? What am I doing?” Good news for everyone, Renowned Instructor Yan Lei from Zhongke Dixin brings you the most detailed analysis of ArcMap suffixes, be sure to bookmark it! 01 .SHP Shapefile file extension, currently … Read more
The vehicle real-time dispatch management system is a comprehensive vehicle management platform that integrates unified vehicle supervision, unified dispatching, lean production, safe operation, and decision support. The system is based on the effective integration and application of technologies such as satellite positioning technology (Beidou/GPS), geographic information systems (GIS), and mobile communication technologies (2G/3G/4G), achieving real-time … Read more
Shapefile and File Geodatabase (GDB) are two commonly used spatial data formats in ArcGIS, each with its own characteristics and advantages. The following are the main differences between these two formats: Storage Capacity: Shapefile: The maximum size of a single shapefile is 2GB. File Geodatabase: A single file geodatabase can store up to 1TB of … Read more