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  1. J

    SW Colorado Fire Restrictions

    Below is a link that will display a Google + GIS map for the 416 fire and Burro file. Full disclosure - I am the guy that produced the map. For info about the map, please click “Map tips” in the upper left corner. There was an infrared overflight Monday night and new fire perimeters were...
  2. J

    Tips for calling 911 with a cell phone - A peek under the hood

    Thanks for the kind words. Here is a followup idea to help find people that have called 911 and are not able to give a street address or adequately describe their location. As explained in the report I posted, when someone with a cell phone calls 911 the wireless carrier is supposed to make...
  3. J

    Tips for calling 911 with a cell phone - A peek under the hood

    I am a software developer working with online maps and location technology. Earlier this year I became interested in what happens when someone with a cell phone calls 911. In particular I wanted to know the details of how the 911 dispatcher learns the *location* of the caller. What kind of...
  4. J

    Online maps showing public land boundaries - and more - with geolocation

    Most states have detailed information on GIS (Geographical Information System) servers that can show the boundaries of various kinds of public land at the federal, state and local level. Government agencies also have other GIS data that is useful for all kinds of outdoor activities from hunting...
  5. J

    Link to that really nice topo map tool?

    I have posted about the Gmap4 enhanced Google map viewer that I developed. See http://www.rokslide.com/forums/showthread.php?22120-Gmap4-View-topos-aerials-*offline*-and-your-geolocation The following link starts Gmap4 and shows the high resolution USGS topo map centered at Kotzebue, AK...
  6. J

    Online Scouting on Google Maps

    Yes - no - yes Yes, it is technically possible. No, Gmap4 does not presently support such a feature. Yes, I plan to add that support this winter. Joseph
  7. J

    Online Scouting on Google Maps

    Or just open this link and see the GeoMAC historical fire perimeters on Google maps. http://www.mappingsupport.com/p/gmap4.php?ll=40.094882,-113.225098&z=6&t=h,Historic_fire_perimeter&q=http://www.propertylinemaps.com/p/public_land_map/USA/USA_wildland_fire.txt Joseph, the Gmap4 guy
  8. J

    Online Scouting on Google Maps

    Nick’s article on e-scouting and Robyn’s article on where a person can hunt (http://modern-hunters.com/where-can-i-go-hunting/) are both spot on. And everyone that enjoys outdoor recreation and nice maps owes a debt of gratitude to Matt Jacobs, the developer of CalTopo. Matt is the guy who...
  9. J

    Online Scouting on Google Maps

    Have you seen Gmap4? It is an enhanced Google map viewer I developed and I have posted about it before in the forum here. It can display the standard Google aerials plus high resolution topo maps (“t4 topo high”). When we lived in northern Wyoming we rode our horses through this area in the...
  10. J

    Gmap4 = View topos/aerials *offline* and your geolocation

    There are 2 kinds of apps: Native apps and Browser apps. Gmap4 is a browser app. A native app can access the file system on the mobile device as you describe. But, if you write a native app, you need to do it twice. Once for Apple devices and once for Android. Then you need to maintain...
  11. J

    Gmap4 = View topos/aerials *offline* and your geolocation

    I have posted here before about Gmap4 which is an enhanced Google map viewer that I developed. Up until this summer I believed that Gmap4 would not work if your mobile browser was offline. I was wrong. If you follow a few simple instructions, many (but not all) of the Gmap4 features will work...
  12. J

    Alaska Topo Map -- for Sheep Hunting

    Below is a link that starts Gmap4 (I am the developer) and displays the boundary of this wilderness area. To see hi-res topo maps, first zoom in a bunch and then change the basemap to "T4 Topo High". To turn several GIS layers on/off, open the drop down that let's you change the basemap and go...
  13. J

    Elk Map Question

    Anyone can use Gmap4 to do 'desk' scouting. The following link shows high resolution 1:24,000 topos (they cover the USA) centered on Pat O'Hara Peak a bit west of Cody, Wyoming. The map also has a UTM grid. http://www.mappingsupport.com/p/gmap4.php?utm=12N,628909,4946469&t=t4&z=14&coord=utm...
    • Jelf
    • Post #9
    • Forum: Elk
  14. J

    Is there any tips for finding high alpine basins when looking at maps or google earth

    Instead of loading topo maps into Google Earth you could simply use Gmap4 to surf topos and aerials (just like ACME Mapper) and then when you want to check out a spot with Google Earth you click the button in the upper right corner of the map and select 'Earth'. Doing that starts the Google...
  15. J

    Lets Talk Google Earth...

    Or as an alternative to manually adding topo maps to Google Earth you could use Gmap4 which already includes high resolution topo maps for the USA in a Google Maps interface. Here is a high resolution interactive topo map centered on a spot in Hell's Canyon...

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