File talk:British Isles Euler diagram 15.svg

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FAQ

There are strong reasons not to include Ireland in the "British Isles" set. This matter is discussed at length in the British Isles naming dispute article.

Geographic vs Political Great Britain[编辑]

I've looked through the discussion when the diagram was created, and am impressed by the extent of discussion on so many points (as I am by the end result in so many ways). ...But I came to this issue precisely because people have confusion about the distinction between geographic and political definitions of 'Great Britain', and that is the one issue where it really falls down badly, because as illustrated it looks like all of England, Scotland and Wales are within geographic GB, when there is enough territory and population in each case for there to be an entire UK Parliamentary constituency (or two) that is not in geographic GB, but is within the country in question, and thus within political GB. I don't think it is necessary to have a boundary showing the slightly larger political GB on the diagram (clutter, and I'm not sure it is enough of a legal distinction any more), however if GB is coloured green, then each of England, Scotland and Wales should include a small sector outside the geographic GB boundary, perhaps with a note on the diagram explaining the small sector). DrArsenal (留言) 09:28, 12 September 2015 (UTC)[回复]

Other versions[编辑]

Set builder notation:

{B|{U|S,{E|L,W,I ∪ U}},{I|R,I ∪ U}}

where:

  • B = British Isles
  • U = United Kingdom
  • S = Scotland
  • E = England
  • L = London
  • W = Wales
  • I = Ireland
  • R = Republic of Ireland
  • I ∪ U = Northern Ireland

HTML5 canvas: 

<!DOCTYPE html>
<html>
<style>
#b,#u,#i {background-color: white;}
#b {position:absolute;top:55px;left:169px;}
#u {position:absolute;top:95px;left:193px;}
#s {position:absolute;top:125px;left:194px;}
#e {position:absolute;top:172px;left:210px;}
#l {position:absolute;top:205px;left:234px;}
#w {position:absolute;top:205px;left:171px;}
#n {position:absolute;top:190px;left:128px;}
#r {position:absolute;top:195px;left:90px;}
#i {position:absolute;top:155px;left:106px;}
</style>
<body>
<span id="b">B</span>
<span id="u">U</span>
<span id="s">S</span>
<span id="e">E</span>
<span id="l">L</span>
<span id="w">W</span>
<span id="n">N</span>
<span id="r">R</span>
<span id="i">I</span>
<fieldset style="display:inline-block; width:60; height:60;">
<legend>Britland</legend>
<center>
<canvas id="britCanvas" width="300" height="300">
Your browser does not support the HTML5 canvas tag.
</center>
</canvas>
</fieldset>
<script>
var c = document.getElementById("britCanvas");
var B = U = S = L = W = I = c.getContext("2d");
B.beginPath();
B.arc(150,150,120,0,2*Math.PI);
B.stroke();
U.beginPath();
U.arc(175,150,80,0,2*Math.PI);
U.stroke();
S.moveTo(100,120);
S.lineTo(250,120);
S.stroke();
L.beginPath();
L.arc(215,180,10,0,2*Math.PI);
L.stroke();
W.beginPath();
W.arc(155,180,20,0,2*Math.PI);
W.stroke();
I.beginPath();
I.arc(85,170,40,0,2*Math.PI);
I.stroke();
</script>
</body>
</html>

 —User000name 08:04, 22 January 2016 (UTC)[回复]

Ulster[编辑]

To clarify the distinction between Northern Ireland (often referred to as "Ulster") and the Irish province of Ulster, I suggest adding a new blue area for Ulster. This would enclose Northern Ireland and cover part of Ireland (state). We could also add areas for the three other Irish provinces (Connacht‎, Leinster, Munster), which are entirely within Ireland (state). Would this make the diagram too complex to be useful? Verbcatcher (留言) 16:52, 14 January 2017 (UTC)[回复]

Scottish islands are not in Great Britain[编辑]

The concept of this diagram is very good, clarifying many of the confusing political and geographical terminological distinctions. One issue, however, is that the political entity Scotland is largely in the geographical entity Great Britain but has islands that are not in Great Britain (Shetland, etc.). England and Wales have similar, smaller islands.

I'm not sure whether the best approach to correct this is:

  1. overlapping the Scotland circle over the edge of the Great Britain circle (perhaps adding those major islands in the outer part of such an overlapping Scotland circle);
  2. changing the text to 'Mainland Scotland' (though this isn't a singular political entity);
  3. changing 'Great Britain' from a geopraphical entity (green) to a political one (blue), since this better matches what is currently depicted.

--Oldak Quill 14:39, 24 May 2022 (UTC)[回复]

Suggested improvement of the SVG file[编辑]

The existing SVG is 159k and represents ellipses as numerous paths. The suggested revision at http://cs.sru.edu/~ddailey/svg/British_Isles_Euler_diagram_redo.svg is visually almost identical but is only 3k, using ellipses and transparency for the desired effects and is hand-editable in ways that could more easily be used to modify the diagram consistent with the other concerns expressed above. David.daileyatsrudotedu (留言) 16:33, 1 April 2023 (UTC)[回复]

David.daileyatsrudotedu, that link keeps timing out on me :-( Cabayi (留言) 12:56, 9 April 2023 (UTC)[回复]
取自“https://commons.wikimedia.org/w/index.php?title=File_talk:British_Isles_Euler_diagram_15.svg&oldid=748632165”