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Thread: Drawing a circle on Google maps - Obeattie

  1. #1
    Senior Member Mellifera Crofter's Avatar
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    Default Drawing a circle on Google maps - Obeattie

    I've just discovered [this site] that enables you to draw a circle with a given radius on google maps. A circle with a three-mile radius from my apiary stretches further than I had thought possible.

    I used an image clipper to save the map.

    Kitta

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    Quote Originally Posted by Mellifera Crofter View Post
    I've just discovered [this site] that enables you to draw a circle with a given radius on google maps. A circle with a three-mile radius from my apiary stretches further than I had thought possible.

    I used an image clipper to save the map.

    Kitta
    Its great isn't it. I only found it about a month ago but am carefully marking in all the OSR and forage near me

    Thing is - much debate as to how far a colony forages !

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    Marked my apairy sites and gave them a 3 mile forage area. Interesting when you see the overlaps. For our club site there is an overlap with one of my sites, however in practice they are quite separate as there is a dirty big hill between them. Good fun though

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    Administrator gavin's Avatar
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    Quote Originally Posted by greengumbo View Post
    Thing is - much debate as to how far a colony forages !
    I wouldn't restrict yourself to three miles, although that comes from many flights being up to 1.5 miles and therefore 2 x 1.5 is a fairly safe distance to shift a colony.

    I've seen bees at my apiary near Errol (on the same day) coming home with the white stripe of Himalayan balsam (they have to fly to the Tay for that) and pointing 5 km away to the SW, and others pointing at heather on a hill 7-8km to the NE. There was one fine day quite a few years ago not far from you GG, just W of Oldmeldrum, when doing some field work on foraging and the approach of a dark cloud caused a mass exit from the field in the direction of a large apiary we knew about 10 km away up the side of a slope W of Rothienorman.

    Francis Ratniek's group recorded waggle dances pointing at the moors 'near' Sheffield (11km away, as far as von Frisch took it as well), and there was a 1930s study in Wyoming by John Eckert who recorded foraging 13.5 km away. There is a nice wee article here.

    G.

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    Administrator gavin's Avatar
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    Quote Originally Posted by Jimbo View Post
    .... as there is a dirty big hill between them. Good fun though
    I wonder just how big (and how dirty!) the hill has to be. I remember some researchers looked at waggle dances of bees flying round hills and they integrated the navigation into one direct dance.

    I've stood on Wester Ross (and other, it is just that the Wester Ross ones were memorable) Munros and had bumble bees fly up, sometimes do a circuit or two, and zip off on their merry way. They'd be hardy types though.

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    Senior Member Jon's Avatar
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    Is there a similar addon you can use for google earth?

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    Senior Member Mellifera Crofter's Avatar
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    How big a radius do you want, Jon? Isn't Google maps just the internet version of Google earth? There's an option in the top right-hand corner to change between Map and Satellite views - or is there some other information on Google Earth not available on Google Maps?
    Kitta

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    Quote Originally Posted by Jon View Post
    Is there a similar addon you can use for google earth?
    There is.

    I think i found it on this site ?

    http://www.freemaptools.com/radius-around-point.htm

    export stuff at the bottom.

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    Senior Member Jon's Avatar
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    Cheers GG.
    I will give that a go.
    I have circles drawn around various apiaries in google earth but I had to do them approximately by manually joining up points.

    MC. I have a load of my own data in google earth, placemarkers marking other beekeepers apiaries and stuff like that.

  10. #10

    Default Drawing a circle on Google maps - Obeattie

    I'll have to retry it this time on the PC! it doesn't work very well via the iPad and tapatalk.
    VM


    Sent from my iPad using Tapatalk

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