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Last change
on this file since 1335 was
688,
checked in by mhnguyen, 9 years ago
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Integrating remap library into XIOS
+) Change name of some files of remap library to be compatible with XIOS
+) Implement function to fill in automatically boundary longitude and latitude
Test
+) On Curie
+) test_remap correct
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File size:
963 bytes
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| 1 | #include <algorithm> |
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| 2 | #include "node.hpp" |
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| 3 | #include "elt.hpp" |
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| 4 | |
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| 5 | #include "circle.hpp" |
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| 6 | |
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| 7 | namespace sphereRemap |
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| 8 | { |
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| 9 | |
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| 10 | /* computes the radius of the smallest circle |
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| 11 | around the barycentre `x` of grid element `elt` |
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| 12 | which contains all vertices of `elt`. */ |
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| 13 | double cptRadius(Elt elt) |
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| 14 | { |
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| 15 | double squareradius = 0.0; |
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| 16 | int argmax = 0; |
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| 17 | // use cheep `squaredist` to find farthest vertex and compute radius as arcdistance only once |
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| 18 | for (int i = 0; i < elt.n; i++) |
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| 19 | { |
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| 20 | double dist2 = squaredist(elt.x, elt.vertex[i]); |
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| 21 | if (dist2 > squareradius) |
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| 22 | { |
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| 23 | squareradius = dist2; |
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| 24 | argmax = i; |
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| 25 | } |
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| 26 | } |
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| 27 | return arcdist(elt.x, elt.vertex[argmax]) + 1e-10; |
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| 28 | } |
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| 29 | |
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| 30 | void setCircleAndLink(Elt& elt, Node& leaf) |
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| 31 | { |
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| 32 | leaf.centre = elt.x; |
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| 33 | leaf.radius = cptRadius(elt); |
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| 34 | leaf.data = &elt; |
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| 35 | } |
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| 36 | |
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| 37 | void setCirclesAndLinks(Elt *elts, vector<Node>& nodes) |
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| 38 | { |
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| 39 | for (int i = 0; i < nodes.size(); i++) |
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| 40 | setCircleAndLink(elts[i], nodes[i]); |
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| 41 | } |
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| 42 | } |
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