![]() Importer and may cause spurious failures due to excessive garbage collection overhead. Java garbage collector have a problem with the particular memory utilization patterns of the PBF file Java initial heap size (-Xms) to the same value as the maximum heap size (-Xmx) some releases of the The heap thrashing caused by the more efficient protocol buffers file format, you may need to set the With a non-default larger memory heap size of at least 2048MB (so yourĬomputer will need at least 3GB of RAM to perform well) 3GB just of heap or more is preferred. At the present OSM dataset size, 114GB of the full planetary size will be The full planetary dataset smaller datasets will still need at least 80GB because ofīuffer the temporary files used to geographically segment the OSMĭataset into tiled subsets that are efficient to scan through for Of free disk space after downloading the OSM dataset (assuming Secondly, you need a system with YAAC installed and at least 140GB Menu choice is available to steer your web browser to some of the The File->OpenStreetMap->Download OpenStreetMap Extract Dataset To assist you in finding the websites with OpenStreetMap data, Websites) appropriate to the geographical area you are interested in. Size in bzipped XML format or 66GB in protocol buffer (PBF) format, so expect it to take a long time to download Īlternatively, use a subset datafile (pre-segmented by one of the mirror Note that the complete planetary dataset (as of October 2022) is over 120GB of ![]() OpenStreetMap website or one of its mirrors or torrents. If you are going to import the OpenStreetMap data yourself,įirst you must obtain a copy of the OpenStreetMap dataset inīzip2'd XML format (filetype ".osm.bz2") or Google protocol buffers format (filetype ".osm.pbf") from the Menu choice, and selects downloading the map data for a specified areaĪround the area you are currently viewing. Option is available through the File->OpenStreetMap->Download Pre-Imported Tiles With the File->OpenStreetMap->Import RAW OSM Map File menu choice.īecause compiling large portions of the world map data to YAACīinary format can take considerable time (possibly literally days of processing time),Ī short-cut has been provided to copy already-compiled map data from the YAAC author's website. Optimized for real-time local map rendering. XML data (or slightly less bulky protocol buffers format) into a compact and edited-down format specific to YAAC and The map data, YAAC compiles the bulky and inefficient OpenStreetMap YAACĬurrently supports the OpenStreetMap database, downloadable from So, YAAC is designed to use locally-loaded map data. The Internet though Internet-based services can be used, they cannotīe mandatory for the functioning of a good APRS client application. Requiring the Internet or any commercial services only available over It's FCC regulations Part 97, paragraph §1(a)), a good APRS application should beĪble to function solely over amateur radio communications, not Obligation to provide emergency communications (in the United States, Considering the amateur radio operator's legal and moral YAAC has been deliberately designed to not use external map Topo maps are a detailed record of a land area, giving geographic positions and elevations for both natural and man-made features.Importing OpenStreetMap into YAAC Importing OpenStreetMap™ into YAAC Landscape maps do not include international borders, administrative boundaries, or information on points of interest such as restaurants, gas stations, stores, schools, etc. Landscape maps currently provide information such as streets, major road networks, natural features, and waterways. * Please keep in mind when choosing a region that the APEX Pro and VERTIX 1 models have 4GB of onboard storage while the VERTIX 2 has 32GB * Once you have selected the desired region, press the “Download” button to view the approximate file sizes for downloading either the Topo or Landscape map for that region. Using the Region Selection tool below, hold the SHIFT button while dragging your mouse/cursor over the desired area. Follow these instructions to download the Topographic (Topo) and/or Landscape Map for your region:
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