Articles about map export formats, tools and OpenStreetMap data use cases.
Practical guide: export an OpenStreetMap area to DWG and add it as an underlay in AutoCAD via XREF, with scale and layers. Plus a raster underlay option (PNG/GeoTIFF).
Why Russian cadastre uses local coordinate systems (MSK, SK-63), how they differ from WGS84, the X/Y axis confusion, and how to get consistent plot geometry.
WKB and WKT: binary and text geometry formats. PostGIS, Shapely, GEOS. When to use which, conversion, performance, and examples.
Practical guide: get a land plot outline by cadastral number and open it in AutoCAD, nanoCAD or BricsCAD. Pitfalls covered: X/Y axes, local CRS, scale, layers.
Key OpenStreetMap tags: building, highway, amenity, landuse, natural. How tags affect map export and what data is available for each layer.
How to prepare maps for dissertations: scale, legends, PDF/SVG format, fonts. Step-by-step guide with examples for academic papers.
Overview of all 20 osm2cdr map styles: Minimal, Blueprint, Neon, Vintage, Dark, Satellite. Examples, comparison, color customization.
PostGIS queries from beginner to advanced: ST_Intersects, ST_Buffer, ST_Distance, spatial indexes, performance optimization.
ODbL license for OpenStreetMap: what's allowed, attribution, commercial use, share-alike. Practical examples and FAQ.
8 visual map products from osm2cdr: art posters, neon maps, blueprint, vintage. 6 masks (heart, star, hexagon). Printing and gifts.
274 geodata extracts from OpenStreetMap: POIs, buildings, roads, water bodies. How to choose, download, and use for area analysis.
How to use the osm2cdr.ru API for map export. Getting an API key, POST /api/render, status polling, downloading. Python and JS examples.