Articles about map export formats, tools and OpenStreetMap data use cases.
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Five ways to bring OpenStreetMap into AutoCAD side by side: the built-in online map, plug-ins, Map 3D, QGIS with ogr2ogr and a ready DWG by area. Steps to a drawing, coordinate systems and layers.
How to turn KMZ or KML into a print-ready PDF: a Google Earth Pro image, a QGIS layout with scale bar and legend, an online converter and an area map on an A4–A0 sheet. Raster PDF versus vector PDF.
How to convert KML or KMZ to DWG: an online converter, AutoCAD Map 3D, AutoCAD plug-ins, QGIS with ogr2ogr and Global Mapper. What each route does to coordinates, layers and labels, and which one fits your job.
Nature reserves and national parks from OpenStreetMap: how they are tagged, which layers to enable and which format to pick for print, CAD or GIS.
How to download a city map or site plan as DXF or DWG from OpenStreetMap: steps, the real layer names, metric coordinates, a sample file and an honest comparison with city portals.
How to get a 3D model of any city as STL from OpenStreetMap: buildings by OSM heights, terrain, a solid base, ready for the slicer. Example, print tips, FAQ.
A client ordered raster MBTiles for ATAK, saw GRG/BNG OUT OF AREA and thought the map was broken. What it was and how we built one file from three pyramids.
How to get a site location plan base in DWG from OpenStreetMap: which layers you need, what scale to pick, why the drawing must be in metres and how to open it in AutoCAD.
What Janome JEF is: header, threads, stitches and hoop. How a map becomes a running stitch: a 200×200 mm hoop, 4 stitches per mm and a stitch length limit.
How the hypsometric file is built: a height-to-colour ramp, gdaldem color-relief, transparent voids, multiply-blended shading and GeoTIFF, PNG or JPEG output.
A ROS occupancy grid: an image plus YAML, resolution and origin, three cell states, occupied and free thresholds, and a sanity check before navigation.
What the heightmap archive holds: a square 16-bit PNG, raw R16, georeferencing and a passport with min, max and side length. How to turn that into a Z scale.