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Automation 5 min read

Geoprocessing Workflows with Model Builder

Model Builder is a powerful environment in ArcGIS Pro that allows you to create automated workflows by visually connecting geoprocessing tools. Without writing code, you can design, save, and rerun complex analysis processes using drag-and-drop. This feature is particularly advantageous for GIS analysts with limited programming experience. A Model Builder model is a flowchart consisting of input data, geoprocessing tools, and outputs. Tools are connected through parameter links, and the output of one tool becomes the input for the next. Models can be enriched with variables, conditional branching, and iterators, enabling you to automate repetitive operations. In this article, we will cover Model Builder's core concepts, build a site suitability analysis model step by step, and explore techniques for converting models to Python scripts.

Free Mar 21, 2026
Software Development 4 min read

Building Web GIS Applications: ArcGIS API for JavaScript

Web-based GIS applications make geographic information accessible to everyone through the browser. They allow users to view maps, run queries, and perform analysis without installing desktop GIS software. ArcGIS API for JavaScript is Esri's powerful and comprehensive library for developing web mapping applications. ArcGIS API for JavaScript offers 2D and 3D map views, rich symbology, popups, widgets, spatial analysis, and integration with ArcGIS Online/Enterprise services. With modern JavaScript (ES modules), TypeScript support, and compatibility with frameworks like React, Angular, and Vue, it is the standard choice for enterprise web GIS projects. In this article, we will cover the fundamentals of ArcGIS API for JavaScript, building a simple web map, adding layers, and configuring popups step by step. With working code examples, you can start developing your own web GIS application.

Free Mar 19, 2026
GIS Analysis 4 min read

GIS Data Formats: Shapefile, GeoJSON, and Geodatabase Compared

In Geographic Information Systems, choosing the right data format directly impacts your project's performance, compatibility, and scalability. While Shapefile has been the most common format in the GIS world for decades, it carries serious limitations. GeoJSON has become the standard for web applications. File Geodatabase and Enterprise Geodatabase are indispensable options for enterprise GIS projects. Choosing the right data format requires considering not only technical requirements but also team workflows, data sharing needs, and the system's future growth. If you're preparing data for a web map, GeoJSON is an optimal choice; however, if you're managing an enterprise GIS database with millions of records, Enterprise Geodatabase is unavoidable. In this article, we will compare the most common GIS data formats in detail, analyze the strengths and weaknesses of each, and provide practical recommendations for different scenarios.

Free Mar 17, 2026
Automation 4 min read

GIS Automation with Python: Introduction to ArcPy

In GIS projects, repetitive tasks — data conversion, batch analysis, reporting — consume significant time. ArcPy is Esri's Python library developed for the ArcGIS platform that enables you to automate these operations. Instead of running a geoprocessing tool manually, you can process hundreds of datasets in minutes with a Python script. ArcPy comes pre-installed with ArcGIS Pro's Python environment and provides programmatic access to all geoprocessing tools, map automation, data access, and spatial analysis. With the arcpy.analysis, arcpy.management, arcpy.conversion, and arcpy.da (data access) modules, you can script virtually any GIS operation. In this article, we will cover ArcPy's fundamental structure, environment setup, and practical code examples. We will demonstrate common scenarios like buffer analysis, data conversion, and batch processing with working Python code.

Free Mar 15, 2026
GIS Analysis 5 min read

Create Your First Map with ArcGIS Pro

ArcGIS Pro is Esri's next-generation desktop GIS application, replacing ArcMap. With its modern interface, integrated 2D/3D workspace, and powerful geoprocessing infrastructure, it has become the industry standard for professional cartography and spatial analysis. In this guide, we will walk through every step from opening ArcGIS Pro for the first time to producing a professional map output. To use ArcGIS Pro effectively, you need to understand a few core concepts: Project (.aprx), Map, Scene, Layer, and Layout. A project consolidates all components of your work — maps, data connections, toolboxes, and layouts — into a single file. This structure keeps your work organized and easy to share. In this hands-on guide, you will create an ArcGIS Pro project from scratch, add geographic data, configure visualization settings, and produce a map output. You can follow along on your own computer.

Free Mar 13, 2026
GIS Analysis 4 min read

What Is Spatial Analysis? Core Concepts and Applications

Spatial analysis is one of the most powerful capabilities of Geographic Information Systems (GIS). It enables us to understand not just where data is located, but how different features relate to each other. Where should a new hospital be built? Which areas face the highest wildfire risk? Which settlements would be affected by a flood? All these questions can be answered through spatial analysis. Spatial analysis is the process of transforming location data into meaningful information using mathematical and statistical methods. Core techniques such as buffer analysis, overlay analysis, proximity analysis, interpolation, and network analysis form the building blocks of this process. Each technique is designed to answer different types of spatial questions. In this article, we will explore the fundamental concepts of spatial analysis, the most commonly used methods, and real-world applications. Whether you are new to GIS or looking to refresh your knowledge, this guide will provide you with a solid foundation.

Free Mar 11, 2026

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