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Atlas 2020 maps

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Atlas 2020 maps

by vc66 » Fri Jan 22, 2016 6:17 pm

Producing good county maps from the DDb showing un-recorded and under-recorded monads/tetrads, which can easily be identified from the maps, with numbered grid lines and colour coding, and which could be downloaded and distributed to recorders willing to tackle these squares, would be good.
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Re: Atlas 2020 maps

by AndyAmphlett » Tue Feb 16, 2016 6:31 pm

Hi,

maps along those lines can be created in MapMate, though I am rusty on how to do that and the maps will lack records only on the DDb. It may always be best, if practical, to create bespoke maps outside of the DDb using other software eg GIS. As that wouldn't be a very helpful reply on its own (!), I have created a map of species recorded per tetrad in vc66 since 2000. It can be downloaded from this link:

https://dl.dropboxusercontent.com/u/40401314/Species%20per%20tetrad%20%28vc66%29%20since%202000%20-%20MAP.jpeg

As an interim measure, I am happy to create the occasional map along these lines. Let me know if the map at the link is what you are after.

Andy.
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Re: Atlas 2020 maps

by vc66 » Wed Feb 17, 2016 2:23 pm

Thanks Andy, that looks great, but its monads that I am working on, to target recorders on under-surveyed squares.

john
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Re: Atlas 2020 maps

by AndyAmphlett » Wed Feb 17, 2016 2:54 pm

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Re: Atlas 2020 maps

by vc66 » Thu Feb 18, 2016 10:48 am

Thanks. Can you tell me how you made it, then I should be able to reproduce updates?

john
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Re: Atlas 2020 maps

by AndyAmphlett » Thu Feb 18, 2016 12:38 pm

John,

the map was created using QGIS, a free to use GIS programme. I also made use of a QGIS plugin that I have just come across - http://www.tombio.uk/node/23 - from the Field Studies Council. The 'tombio' plugin is indispensable for creating these sorts of maps. There are a number of videos at the link showing how the plugin works. But you need to have some basic familiarity with GIS, or some time to get to grips with it.

Andy.
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Re: Atlas 2020 maps

by vc66 » Sat Feb 20, 2016 9:38 pm

Thanks Andy. I have QGIS but I'm only in the foothills of the learning curve. I'll have a look.
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Re: Atlas 2020 maps

by AndyAmphlett » Sun Feb 21, 2016 11:41 am

John,

I have taken the vc66 monad map and added an OS backdrop (their 1:250,000 map) and also labelled monads with the number of species recorded since 2000. The map can be downloaded from:

https://dl.dropboxusercontent.com/u/404 ... count.jpeg

The file is quite large (7MB) so as to retain resolution in the OS map. It should print up to A3 if required, and looks good when you zoom in. The labels and monad colour scheme are shown as partially transparent, which is a great help when viewing the map. I think this map illustrates well just how useful GIS can be.

Andy.
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