Based on OpenLayers.Control.Measure, the DynamicMeasure control shows measurements on labels that follow the cursor. This avoids having to worry about preparing a DOM item to display measurements. The ...

Faint lines between tiles in the 'Vector Tile Selection' example can be seen at certain zoom levels (related to fractional zoom?) Please read my stackoverflow post ...

OpenLayers and React have some common features and advantages that make them a good match for web mapping projects. Both are open source, well documented, and widely supported by the developer ...

PostGIS is an extension of PostgreSQL, a popular open source relational database system. PostGIS adds spatial functionality to PostgreSQL, allowing you to store, query, and manipulate geographic data.