Question 1

How to get started with ArcGIS API for JavaScript?

Accepted Answer

Use the official guides and sample code in the APIs section, and scaffold apps quickly with tools like @arcgis/cli listed under application generators. The playgrounds and helpers sections also offer interactive tools for testing symbols and geometry.

Question 2

ArcGIS vs Leaflet for a simple web map project?

Accepted Answer

ArcGIS provides robust location services and enterprise features but can be costly; Leaflet is free and lightweight. This list includes Esri Leaflet plugins for integration, highlighting ArcGIS's strength in scalable, data-rich applications over Leaflet's simplicity.

Question 3

How to convert a Shapefile to GeoJSON using ArcGIS tools?

Accepted Answer

Tools like ArcPy (for Python) or community utilities such as terraformer and mapshaper are listed in the data conversion section. These allow batch processing or web-based conversion, though some require ArcGIS Desktop or server access.

Question 4

What's the best ArcGIS SDK for building a cross-platform mobile app?

Accepted Answer

Based on the list, ArcGIS Maps SDK for Flutter supports iOS, Android, and desktop from a single codebase, while Kotlin and Swift SDKs are optimized for native performance. Your choice depends on framework preference and target platforms.

Question 5

How much do ArcGIS location services cost?

Accepted Answer

The list references services like geocoding and routing but doesn't detail pricing; you'll need to check Esri's official site for current plans, as costs vary by usage and can include credits or subscriptions for enterprise features.

Question 6

How to debug CORS errors with ArcGIS REST APIs?

Accepted Answer

The debugging tools section includes resources like cors-test.codehappy.dev and Postman interceptor to test and monitor requests. Additionally, using API keys or OAuth 2.0 from the security guides can help resolve authentication-related CORS issues.

Question 7

Where can I find ArcGIS Python API examples for spatial analysis?

Accepted Answer

Sample notebooks and code are under the Python section in code samples, covering topics like geoprocessing with ArcPy. The spatial analysis part also lists client-side geometry engines and big data tools for advanced use cases.

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