react-planner-viewer
Version:
react-planner-viewer is a React Component for view plans builded with react-planner in 2D mode
268 lines (228 loc) • 26.1 kB
JavaScript
;
/**
* UTILS
*/
function sub(v1, v2) {
return [v1[0] - v2[0], v1[1] - v2[1]];
}
function mod(n, m) {
return (n % m + m) % m;
}
/**
* CYCLES
*/
function compute_ev_mapping(EV) {
var ev_mapping = EV.map(function (ev) {
return {
ev: ev,
color: 0,
direction: -1
};
});
return ev_mapping;
}
function compute_angle(P, V) {
var point = sub(V, P);
var angle = Math.atan2(point[1], point[0]);
return angle;
}
function compute_incidences(V, EV) {
var incidences = V.map(function (vertex, i) {
var incidence = [];
EV.forEach(function (edge, j) {
var endpoint;
var position;
if (edge[0] === i) {
endpoint = edge[1];
position = 1;
}
if (edge[1] === i) {
endpoint = edge[0];
position = 0;
}
endpoint !== undefined && incidence.push({
index: j,
endpoint: endpoint,
angle: compute_angle(vertex, V[endpoint]),
edge: edge,
position: position
});
});
incidence.sort(function (i1, i2) {
return i2.angle - i1.angle;
});
return incidence;
});
return incidences;
}
function get_starting_edge(incidences, ev_mapping) {
var e;
var position;
var direction;
for (e = 0; e < ev_mapping.length; e += 1) {
if (ev_mapping[e].color < 2) {
direction = -1 * ev_mapping[e].direction;
color(ev_mapping, e, direction);
return {
edge: e,
direction: direction,
position: direction === -1 ? 0 : 1
};
}
}
}
function get_next_edge(incidences, edge, position, EV) {
var items = incidences[EV[edge][position]];
//console.log(items, incidences, EV, edge, position);
var n_items = items.length;
var item;
var out;
var j;
for (j = 0; j < n_items; j += 1) {
item = items[j];
if (item.index === edge) {
out = items[mod(j + 1, items.length)];
return {
edge: out.index,
vertex: out.endpoint,
position: out.position,
direction: out.position ? 1 : -1
};
}
}
}
function color(ev_mapping, index, direction) {
ev_mapping[index].color += 1;
ev_mapping[index].direction = direction;
}
function find_cycles(V, EV) {
var ev_mapping = compute_ev_mapping(EV);
var incidences = compute_incidences(V, EV);
var V_cycles = [];
var E_cycles = [];
var dir_E_cycles = [];
var V_cycle;
var E_cycle;
var dir_E_cycle;
var next;
var counter = 0;
var start = get_starting_edge(incidences, ev_mapping);
while (start !== undefined) {
V_cycle = [EV[start.edge][mod(start.position + 1, 2)], EV[start.edge][start.position]];
E_cycle = [start.edge];
dir_E_cycle = [start.direction];
next = get_next_edge(incidences, start.edge, start.position, EV);
while (next.edge !== start.edge) {
V_cycle.push(next.vertex);
E_cycle.push(next.edge);
dir_E_cycle.push(next.direction);
color(ev_mapping, next.edge, next.direction);
next = get_next_edge(incidences, next.edge, next.position, EV);
}
E_cycles.push(E_cycle);
V_cycles.push(V_cycle);
dir_E_cycles.push(dir_E_cycle);
//console.log('############## CYCLE ', ++counter)
//console.log('EDGES:', E_cycle)
//console.log('VERTICES:', V_cycle)
//console.log('START', 'edge:', start.edge, 'position:', start.position)
//console.log('COUNTER:', ev_mapping.map(e => e.color), ev_mapping.map(e => e.color).reduce((a, b) => a + b));
//console.log('\n')
start = get_starting_edge(incidences, ev_mapping);
}
return {
v_cycles: V_cycles,
e_cycles: E_cycles,
dir_e_cycles: dir_E_cycles,
ev_mapping: ev_mapping
};
}
function find_short_cycles_indexes(v_cycles, e_cycles) {
var indexes = [];
var e_cycle;
var v_cycle;
var i;
for (i = 0; i < e_cycles.length; i += 1) {
e_cycle = e_cycles[i];
v_cycle = v_cycles[i];
if (e_cycle.length < 3 || v_cycle[0] !== v_cycle[v_cycle.length - 1]) {
indexes.push(i);
}
}
return indexes;
}
function find_inner_cycles(V, EV) {
var cycles = find_cycles(V, EV);
var v_cycles = cycles.v_cycles;
var e_cycles = cycles.e_cycles;
var short_cycles_indexes = find_short_cycles_indexes(v_cycles, e_cycles);
short_cycles_indexes.forEach(function (indx) {
v_cycles.splice(indx, 1);
e_cycles.splice(indx, 1);
});
var dir_e_cycles = cycles.dir_e_cycles;
var rooms_values = cycles.e_cycles.map(function (cycle, i) {
return cycle.map(function (edge, j) {
var v1;
var v2;
var dir = dir_e_cycles[i][j] > 0;
if (dir > 0) {
v1 = EV[edge][0];
v2 = EV[edge][1];
} else {
v1 = EV[edge][1];
v2 = EV[edge][0];
}
return (V[v2][0] - V[v1][0]) * (V[v2][1] + V[v1][1]);
});
});
var rooms_sums = rooms_values.map(function (room) {
return room.reduce(function (a, b) {
return a + b;
});
});
var positive_count = rooms_sums.filter(function (sum) {
return sum > 0;
}).length;
var negative_count = rooms_sums.length - positive_count;
var rm_neg = positive_count >= negative_count ? 1 : -1;
return {
v_cycles: cycles.v_cycles.filter(function (v, i) {
return rm_neg * rooms_sums[i] > 0;
}),
e_cycles: cycles.e_cycles.filter(function (v, i) {
return rm_neg * rooms_sums[i] > 0;
}),
ev_mapping: cycles.ev_mapping
};
}
// export default find_inner_cycles;
module.exports = find_inner_cycles;
/**
* DATA
*/
// var V = [[0.5774, 1.0], [1.0, 1.0], [1.1547, 0.0], [1.0, 0.0], [0.0, 0.0], [0.0, 0.732], [1.0, 0.1547], [0.732, 0.0], [1.0491, 0.183], [-0.317, 0.549], [1.0, 0.268], [0.183, -0.3169], [0.5491, 1.049], [0.4642, 1.0], [0.0, -0.4226], [0.0, 1.0]]
// var EV = [[0, 1], [2, 3], [5, 4], [7, 6], [2, 8], [3, 6], [4, 9], [0, 10], [9, 5], [8, 10], [7, 11], [12, 13], [6, 8], [6, 10], [4, 7], [4, 11], [4, 14], [5, 15], [11, 14], [0, 12], [13, 15], [0, 13], [1, 10], [3, 7], [5, 13]]
// var V = [[0,0],[10,0],[10,10],[0,10], [100,100],[110,100],[110,110],[100,110], [5,0], [5,10]]
// var V = [[0,0.5],[12,-0.7],[14,14],[-2,10], [103,106],[117,98],[96,112],[104,109], [5.5,0.8], [4.8,10.5]]
// var EV = [[3,9],[9,2],[2,1],[1,8],[8,0],[0,3],[8,9]] // IT WORKS
// var EV = [[3,9],[9,2],[2,1],[1,8],[8,0],[0,3],[8,9], [5,6], [6,7], [2,5]] // IT DOESN'T WORK
// var EV = [[3,2],[2,1],[1,0],[0,3]] // IT WORKS
// var EV = [[2,3],[1,2],[0,1],[3,0]] // IT WORKS
// var EV = [[2,3],[1,2],[0,1],[3,0],[6,7],[5,6],[4,5],[7,4]] // IT WORKS
// var EV = [[3,2],[2,1],[1,0],[0,3],[7,6],[6,5],[5,4],[4,7]] // IT WORKS
// var V = [[2,5],[5,6],[10,6.8],[23,8],[9.6,11.3],[20,15],[25,16],[29,18],[30,22],[4,11],[6,10],[24,25],[18,20],[27,7]]
// var EV = [[0,1],[10,0],[9,10],[9,1],[1,2],[4,2],[3,13],[2,3],[4,5],[5,6],[6,7],[12,5],[12,11],[11,6],[11,8],[7,8],[9,4]]
/**
* MAIN
*/
// var cycles_data = find_inner_cycles(V, EV)
// console.log('############## OUTPUT')
// console.log('EDGES:')
// console.log(cycles_data.e_cycles)
// console.log('\n')
// console.log('VERTICES:')
// console.log(cycles_data.v_cycles)
// console.log('\n')
// console.log(cycles_data.ev_mapping.every(m => m.color === 2))
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* UTILS\n */\n\nfunction sub (v1, v2) {\n  return [v1[0] - v2[0], v1[1] - v2[1]]\n}\n\nfunction mod (n, m) {\n  return ((n % m) + m) % m\n}\n\n/**\n * CYCLES\n */\n\nfunction compute_ev_mapping (EV) {\n  var ev_mapping = EV.map(function (ev) {\n    return {\n      ev: ev,\n      color: 0,\n      direction: -1\n    }\n  })\n\n  return ev_mapping\n}\n\nfunction compute_angle (P, V) {\n  var point = sub(V, P)\n  var angle = Math.atan2(point[1], point[0])\n  return angle\n}\n\nfunction compute_incidences (V, EV) {\n  var incidences = V.map(function (vertex, i) {\n    var incidence = []\n    EV.forEach(function (edge, j) {\n      var endpoint\n      var position\n\n      if (edge[0] === i) {\n        endpoint = edge[1]\n        position = 1\n      }\n\n      if (edge[1] === i) {\n        endpoint = edge[0]\n        position = 0\n      }\n\n      endpoint !== undefined && incidence.push({\n        index: j,\n        endpoint: endpoint,\n        angle: compute_angle(vertex, V[endpoint]),\n        edge: edge,\n        position: position\n      })\n    })\n\n    incidence.sort(function (i1, i2) {\n      return i2.angle - i1.angle\n    })\n\n    return incidence\n  })\n\n  return incidences\n}\n\nfunction get_starting_edge (incidences, ev_mapping) {\n  var e\n  var position\n  var direction\n  for (e = 0; e < ev_mapping.length; e += 1) {\n    if (ev_mapping[e].color < 2) {\n      direction = -1 * ev_mapping[e].direction\n      color(ev_mapping, e, direction)\n      return {\n        edge: e,\n        direction: direction,\n        position: direction === -1 ? 0 : 1\n      }\n    }\n  }\n}\n\nfunction get_next_edge (incidences, edge, position, EV) {\n  var items = incidences[EV[edge][position]]\n  //console.log(items, incidences, EV, edge, position);\n  var n_items = items.length\n  var item\n  var out\n  var j\n  for (j = 0; j < n_items; j += 1) {\n    item = items[j]\n    if (item.index === edge) {\n      out = items[mod(j + 1, items.length)]\n      return {\n        edge: out.index,\n        vertex: out.endpoint,\n        position: out.position,\n        direction: out.position ? 1 : -1\n      }\n    }\n  }\n}\n\nfunction color (ev_mapping, index, direction) {\n  ev_mapping[index].color += 1\n  ev_mapping[index].direction = direction\n}\n\nfunction find_cycles (V, EV) {\n  var ev_mapping = compute_ev_mapping(EV)\n  var incidences = compute_incidences(V, EV)\n  var V_cycles = []\n  var E_cycles = []\n  var dir_E_cycles = []\n  var V_cycle\n  var E_cycle\n  var dir_E_cycle\n  var next\n  var counter = 0\n  var start = get_starting_edge(incidences, ev_mapping)\n\n  while (start !== undefined) {\n    V_cycle = [EV[start.edge][mod(start.position + 1, 2)], EV[start.edge][start.position]]\n    E_cycle = [start.edge]\n    dir_E_cycle = [start.direction]\n    next = get_next_edge(incidences, start.edge, start.position, EV)\n    while (next.edge !== start.edge) {\n      V_cycle.push(next.vertex)\n      E_cycle.push(next.edge)\n      dir_E_cycle.push(next.direction)\n      color(ev_mapping, next.edge, next.direction)\n      next = get_next_edge(incidences, next.edge, next.position, EV)\n    }\n    E_cycles.push(E_cycle)\n    V_cycles.push(V_cycle)\n    dir_E_cycles.push(dir_E_cycle)\n\n    //console.log('############## CYCLE ', ++counter)\n    //console.log('EDGES:', E_cycle)\n    //console.log('VERTICES:', V_cycle)\n    //console.log('START', 'edge:', start.edge, 'position:', start.position)\n    //console.log('COUNTER:', ev_mapping.map(e => e.color), ev_mapping.map(e => e.color).reduce((a, b) => a + b));\n    //console.log('\\n')\n\n    start = get_starting_edge(incidences, ev_mapping)\n  }\n\n  return {\n    v_cycles: V_cycles,\n    e_cycles: E_cycles,\n    dir_e_cycles: dir_E_cycles,\n    ev_mapping: ev_mapping\n  }\n}\n\nfunction find_short_cycles_indexes (v_cycles, e_cycles) {\n  var indexes = [];\n  var e_cycle;\n  var v_cycle;\n  var i;\n\n  for (i = 0; i < e_cycles.length; i += 1) {\n    e_cycle = e_cycles[i];\n    v_cycle = v_cycles[i];\n    if ((e_cycle.length < 3) || (v_cycle[0] !== v_cycle[v_cycle.length - 1])) {\n      indexes.push(i);\n    }\n  }\n\n  return indexes;\n}\n\nfunction find_inner_cycles (V, EV) {\n  var cycles = find_cycles(V, EV);\n  var v_cycles = cycles.v_cycles;\n  var e_cycles = cycles.e_cycles;\n  var short_cycles_indexes = find_short_cycles_indexes(v_cycles, e_cycles);\n  short_cycles_indexes.forEach(indx => {\n    v_cycles.splice(indx, 1);\n    e_cycles.splice(indx, 1);\n  })\n  var dir_e_cycles = cycles.dir_e_cycles;\n  var rooms_values = cycles.e_cycles.map((cycle, i) => cycle.map(function (edge, j) {\n    var v1;\n    var v2;\n\n    var dir = dir_e_cycles[i][j] > 0\n\n    if (dir > 0) {\n      v1 = EV[edge][0];\n      v2 = EV[edge][1];\n    } else {\n      v1 = EV[edge][1];\n      v2 = EV[edge][0];\n    }\n\n    return (V[v2][0]  - V[v1][0]) * (V[v2][1] + V[v1][1]);\n  }));\n\n  var rooms_sums = rooms_values.map(room => room.reduce((a, b) => a + b))\n\n  var positive_count = rooms_sums.filter(sum => sum > 0).length;\n  var negative_count = rooms_sums.length - positive_count;\n\n  var rm_neg =  positive_count >= negative_count ? 1 : -1;\n\n  return {\n    v_cycles: cycles.v_cycles.filter((v, i) => (rm_neg * rooms_sums[i]) > 0 ),\n    e_cycles: cycles.e_cycles.filter((v, i) => (rm_neg * rooms_sums[i]) > 0 ),\n    ev_mapping: cycles.ev_mapping\n  }\n}\n\n// export default find_inner_cycles;\nmodule.exports = find_inner_cycles\n\n/**\n* DATA\n*/\n\n// var V = [[0.5774, 1.0], [1.0, 1.0], [1.1547, 0.0], [1.0, 0.0], [0.0, 0.0], [0.0, 0.732], [1.0, 0.1547], [0.732, 0.0], [1.0491, 0.183], [-0.317, 0.549], [1.0, 0.268], [0.183, -0.3169], [0.5491, 1.049], [0.4642, 1.0], [0.0, -0.4226], [0.0, 1.0]]\n// var EV = [[0, 1], [2, 3], [5, 4], [7, 6], [2, 8], [3, 6], [4, 9], [0, 10], [9, 5], [8, 10], [7, 11], [12, 13], [6, 8], [6, 10], [4, 7], [4, 11], [4, 14], [5, 15], [11, 14], [0, 12], [13, 15], [0, 13], [1, 10], [3, 7], [5, 13]]\n\n// var V = [[0,0],[10,0],[10,10],[0,10], [100,100],[110,100],[110,110],[100,110], [5,0], [5,10]]\n// var V = [[0,0.5],[12,-0.7],[14,14],[-2,10], [103,106],[117,98],[96,112],[104,109], [5.5,0.8], [4.8,10.5]]\n// var EV = [[3,9],[9,2],[2,1],[1,8],[8,0],[0,3],[8,9]] // IT WORKS\n// var EV = [[3,9],[9,2],[2,1],[1,8],[8,0],[0,3],[8,9], [5,6], [6,7], [2,5]] // IT DOESN'T WORK\n// var EV = [[3,2],[2,1],[1,0],[0,3]] // IT WORKS\n// var EV = [[2,3],[1,2],[0,1],[3,0]] // IT WORKS\n// var EV = [[2,3],[1,2],[0,1],[3,0],[6,7],[5,6],[4,5],[7,4]] // IT WORKS\n// var EV = [[3,2],[2,1],[1,0],[0,3],[7,6],[6,5],[5,4],[4,7]] // IT WORKS\n\n// var V = [[2,5],[5,6],[10,6.8],[23,8],[9.6,11.3],[20,15],[25,16],[29,18],[30,22],[4,11],[6,10],[24,25],[18,20],[27,7]]\n// var EV = [[0,1],[10,0],[9,10],[9,1],[1,2],[4,2],[3,13],[2,3],[4,5],[5,6],[6,7],[12,5],[12,11],[11,6],[11,8],[7,8],[9,4]]\n\n/**\n* MAIN\n*/\n\n// var cycles_data = find_inner_cycles(V, EV)\n// console.log('############## OUTPUT')\n// console.log('EDGES:')\n// console.log(cycles_data.e_cycles)\n// console.log('\\n')\n// console.log('VERTICES:')\n// console.log(cycles_data.v_cycles)\n// console.log('\\n')\n// console.log(cycles_data.ev_mapping.every(m => m.color === 2))\n\n"]}