Delorme topo north america 10 download
img file overlay in Garmin's standard format to display roads, cities, etc. I have done this myself (with OKMap) and made a map of most of my state with my own imagery. However, you need to have an active Birdseye subscription for this to work, and the whole thing is complicated and unintuitive. jnx files, you can trick the GPS into believing it is real Birdseye. Mapc2mapc is another paid app that can do this although I have not used it myself I know that OKMap can do it, but it is not free.
#Delorme topo north america 10 download software#
I don't think there is free software for this, but could be wrong. The best solution is to use software that can covert your imagery to Garmin's birdseye format. If you use imagery with 1-foot resolution, you can only cover about 2mi x 2mi. Using 1-meter imagery, 100 tiles will cover an area 10km x 10km (~6mi x 6mi). There are only a few handhelds with a 500 tile capacity. The simplest choice is Garmin Custom Maps (.kmz files) but these are limited to very small coverage areas - 100 tiles at 1024x1024 pixels on most devices. If you want aerial imagery, you need to use a raster format. Garmin handhelds just couldn't handle that at all and would either crash or operate in slow motion. The best I was able to acheive was ~50 feet/pixel and Garmin automotive devices really stuggled to handle that. Recently I discontinued that map because the quality just isn't there. I used to offer a map of the Mid-Atlantic region with aerials that I converted to Garmin's format. I spent quite a long time using Mapwel, MOAGU and ultimately writiing my own software for this. It can convert raster imagery into Garmin's format but the result will be really poor by today's standards. Mapwel is not the tool to use for aerial imagery. The individual states generally have imagery shot durig the winter when trees are bare.Īnyway, you can go to the National Map downloader and check the imagery/NAIP box to find what is available in your area. However, depending on your needs, this imagery may not be as useful since the tree canopy hides a lot. They shoot this every year during the growing season on a rotating schedule to cover all US counties.
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The USGS National Map has NAIP (National Argriculture Imagery Program) imagery for the whole US at 1-meter resolution, they are in the process of upgrading the resolution. But I would start there with a few Google searches such as this (substitute your state name) Many states have their own free imagery, the quantity and quality may vary.