The DCW data is of some use, for areas outside the U.S., since it does show some additional detail above and beyond what is typically contained in the basemap and or uploadable Worldmap of most GPS receivers. Beįorewarned, that neither the Tiger data, nor the DCW data is anywhere near as good as the real USGS DLG data.
OZIEXPLORER DOWNLOAD FOR FREE
ESRI also has data derived from the Defense Mapping Agency's, DCW (digital chart of the world), for free download. Tiger data is originally compiled by/for the census bureau and contains, detailed even if not so accurate street data, in addition to a wealth of demographic and environmental data. ESRI has available for free download, the Tiger95 data for the whole U.S., in Both SDTS and DLG-O formats are equally useable. There are some areas of the country that are only available in the older DLG-O format. , for availability of transportation (roads) data. See ,for availability of topographic data, or The USGS in an effort to encourage the use of SDTS, has made data for nearly the entire country, available for free. It is the most commonly available format of free vector data for the U.S. SDTS stands for Spatial Data Transfer Standard, or something like that.
The first two types are the SDTS DLG and the DLG-O. There are 4 primary sources and 3 different types of vector map data for use with OziExplorer. What I'll present here, will be useful, but you can skip the stuff about OziMC.
OZIEXPLORER DOWNLOAD HOW TO
If you're here to learn about how to use vector maps with OziExplorer, most of If you're reading this webpage in search of how to upload topographic or other vector maps to your Lowrance/Eagle mapping GPS receiver, please be patient, as we need to lay some ground work before we get to the good stuff.
0 kommentar(er)
