osm2cdr.com Blog

Articles about map export formats, tools and OpenStreetMap data use cases.

PDF/X — Print-Ready PDF ISO 15930: 1a, 3, 4 — Why RGB is Forbidden

PDF/X is the print-shop exchange standard. CMYK or spot colors, embedded fonts, output intent. Submit an OSM map to offset print without preflight surprises.

2026-06-11 · 10 min
PDF/XprintISO-15930CMYK

PDF/A — Archival PDF ISO 19005: Levels 1a, 1b, 2b, 3b, and Passing veraPDF Validation

PDF/A guarantees a file will open in 50 years: embedded fonts, no JavaScript, mandatory ICC profiles. How to create an archival OSM map per ISO 19005 and equivalent national standards.

2026-06-11 · 10 min
PDF/AarchivalISO-19005veraPDF

Inkscape SVG — What's Inside: Layers, sodipodi:* namespace, and Why Illustrator Loses Your Layers

How Inkscape SVG differs from plain SVG: inkscape:* and sodipodi:* namespaces, layer:label, guide lines. Maintaining compatibility with Illustrator, CorelDRAW, and web browsers when exporting OSM maps.

2026-06-10 · 9 min
SVGInkscapenamespacesodipodi

MicroStation DGN — Bentley's native format for AEC and infrastructure

Deep guide to Bentley's MicroStation — the AutoCAD competitor for AEC, rail, roads. V7 → V8 history, ecosystem, OpenRoads/OpenRail, how to import OSM from osm2cdr.ru.

2026-06-10 · 8 min
microstationdgnbentleycad

HGT — SRTM elevation tile format: Earth's terrain in 1°×1° chunks

Deep guide to HGT — NASA's SRTM elevation tile format. Structure, accuracy, GDAL workflow, how to combine with OSM exports from osm2cdr.ru for topographic maps.

2026-06-09 · 10 min
HGTSRTMelevationterrain

HPGL — Plotter Language: From HP 7475A (1984) to Modern Cutters

Deep guide to HPGL — Hewlett-Packard's plotter vector language. PA, PD, PU, SP commands; how to send an OSM map to a vintage plotter or cutting plotter via osm2cdr.ru.

2026-06-09 · 9 min
HPGLplottervectorvintage

GTM — GPS Track Maker: Brazilian veteran format for 1990s GPS devices

Deep guide to GPS Track Maker (.gtm) — Brazilian binary GPS format. History since 1996, tracks and waypoints, how to convert GPX or OSM to GTM for legacy Garmin or Magellan devices.

2026-06-08 · 8 min
gtmgpstrack-makerbrazil

EMF — Enhanced Metafile: The 32-bit WMF Successor and Universal Windows Print Buffer

EMF — Windows 32-bit vector format, the WMF replacement with Bezier curves and transparency. How to use it for printing, Office embedding, and OSM map export.

2026-06-08 · 9 min
EMFWindowsvectorGDI

ASCII Grid — ESRI's text elevation format: universal DEM exchange

Deep guide to ESRI ASCII Grid (.asc) — text format for raster elevation data. NCOLS/NROWS header structure, export workflow, how to combine with OSM exports.

2026-06-07 · 9 min
ascii-gridascesridem

AVIF — AV1 Image File Format: 50% lighter than WebP for raster maps

Deep guide to AVIF — image format built on the AV1 video codec. History, spec, browser support, how to compress a raster map export from osm2cdr.ru into AVIF and why.

2026-06-07 · 9 min
AVIFAV1rasterweb

Education Score and Health Score: Neighborhood Infrastructure Assessment

How Education Score and Health Score are calculated from OpenStreetMap data. Methodology, objects, real estate applications.

2026-06-06 · 6 min
Education ScoreHealth Scoreinfrastructurereal estate

City Dashboards: Territory Analysis with OpenStreetMap

How city dashboards built on OpenStreetMap work: Walk Score, Green Score, POI density, infrastructure analysis.

2026-06-05 · 5 min
dashboardanalyticsWalk ScoreGreen Score