GISBox makes converting DWG to GeoJSON easier than you think!

I. Overview
With the development of the Geographic Information Age, the demand for converting DWG drawings to GeoJSON is increasing. However, most solutions on the market rely on the GDAL toolchain and require configuring environment variables. Windows systems also require additional configuration of the ODA SDK driver to parse DWG files. Some solutions even require writing Python code, making the process complex and significantly increasing the difficulty for users with low technical skills. GISBox addresses this need by offering a DWG to GeoJSON conversion function. Simply drag and drop the file to complete the conversion; no environment configuration or coding is required, saving time and increasing efficiency, making it easy to use.
II. How to Obtain a DWG File Format?
As AutoCAD's native file format, DWG can completely preserve all the information in a design drawing, covering complex 3D models, custom objects, layer configurations, and annotation styles. When exchanging files between different versions of AutoCAD software, the integrity and accuracy of the data are effectively guaranteed. Therefore, we generally obtain the DWG file format by selecting ".dwg" after creating a new drawing in AutoCAD through "File → Save As".
III. Benefits of Converting DWG Drawings to GeoJSON Vectors

1. Open Format Support: As a text-based open standard, GeoJSON can be directly parsed by web mapping engines such as Leaflet and Cesium.

2. Lightweight Transmission: The converted data size is reduced, making it especially suitable for map loading on mobile devices and in low-bandwidth environments.

3. Coordinate System Standardization: The conversion process can force a uniformity to the WGS84 or CGCS2000 coordinate system, solving the common problem of incompatibility between the local coordinate system of DWG and the GIS system.

4. Digital Twin Applications: Building Information Modeling (BIM) can be overlaid with city-level GIS data through DWG to GeoJSON conversion, supporting unified management from micro-components to macro-road networks.

IV. Specific Conversion Steps

1. First, open the GISBox software, click "Tile Conversion," and select "DWG to GeoJSON" in the conversion tools to create a new conversion task.

1. Click "Add File" to add the local DWG file, click the "Select" button, and choose the file export path, or you can directly enter the export path.

1. The "Fixed Parameters" are used to determine the central meridian and locate the DWG projection coordinates. Generally, imported files will automatically obtain the fixed parameters. If parsing fails, we can manually select them based on the file's original parameters.

1. Checking "Publish as a Service " will automatically add the corresponding service to the "Vector" section under "Service" after conversion.

1. Click the "Edit" icon in the upper right corner of the service to edit the vector service, such as basic information, data path, and publishing protocol type.

1. Clicking the service dropdown menu allows you to select different protocols for publishing (WFS/WMS/WMTS/MVT).

1. The vector service provides four "Preview Frames" (cesium/mapbox/leaflet/openlayers). Clicking them allows you to directly view the rendering effect in a browser. The generated service address can also be directly used in the digital twin platform.

V. Summary 
In conclusion, GISBox's DWG to GeoJSON conversion function successfully solves the pain points of complex environment configuration and high technical barriers in traditional conversion solutions by simplifying the operation process and optimizing the data processing chain. Its drag-and-drop operation, automated parameter configuration, and integrated service publishing capabilities not only significantly lower the technical threshold for geographic information data conversion, but also provide efficient support for scenarios such as digital twins and web map visualization through features like coordinate system standardization and lightweight transmission. For users who need to quickly connect CAD data with GIS systems, GISBox is undoubtedly an ideal tool for improving work efficiency and unlocking the value of data.