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Metamaps.Organize

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This commit is contained in:
Devin Howard 2016-04-15 08:28:28 +08:00
parent ca5928113d
commit a5bd0440a8
3 changed files with 118 additions and 125 deletions
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1
app/assets/javascripts/application.js
View file

@ -25,6 +25,7 @@
//= require ./src/views/room
//= require ./src/JIT
//= require ./src/Metamaps
//= require ./src/Metamaps.Organize
//= require ./src/Metamaps.Topic
//= require ./src/Metamaps.Synapse
//= require ./src/Metamaps.Map

117
app/assets/javascripts/src/Metamaps.Organize.js.erb Normal file
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@ -0,0 +1,117 @@
/* global Metamaps, $ */
/*
* Metamaps.Organize.js.erb
*
* Dependencies:
* - Metamaps.Visualize
*/
Metamaps.Organize = {
init: function () {},
arrange: function (layout, centerNode) {
// first option for layout to implement is 'grid', will do an evenly spaced grid with its center at the 0,0 origin
if (layout == 'grid') {
var numNodes = _.size(Metamaps.Visualize.mGraph.graph.nodes); // this will always be an integer, the # of nodes on your graph visualization
var numColumns = Math.floor(Math.sqrt(numNodes)) // the number of columns to make an even grid
var GRIDSPACE = 400
var row = 0
var column = 0
Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
if (column == numColumns) {
column = 0
row += 1
}
var newPos = new $jit.Complex()
newPos.x = column * GRIDSPACE
newPos.y = row * GRIDSPACE
n.setPos(newPos, 'end')
column += 1
})
Metamaps.Visualize.mGraph.animate(Metamaps.JIT.ForceDirected.animateSavedLayout)
} else if (layout == 'grid_full') {
// this will always be an integer, the # of nodes on your graph visualization
var numNodes = _.size(Metamaps.Visualize.mGraph.graph.nodes)
// var numColumns = Math.floor(Math.sqrt(numNodes)) // the number of columns to make an even grid
// var GRIDSPACE = 400
var height = Metamaps.Visualize.mGraph.canvas.getSize(0).height
var width = Metamaps.Visualize.mGraph.canvas.getSize(0).width
var totalArea = height * width
var cellArea = totalArea / numNodes
var ratio = height / width
var cellWidth = sqrt(cellArea / ratio)
var cellHeight = cellArea / cellWidth
var row = floor(height / cellHeight)
var column = floor(width / cellWidth)
var totalCells = row * column
if (totalCells)
Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
if (column == numColumns) {
column = 0
row += 1
}
var newPos = new $jit.Complex()
newPos.x = column * GRIDSPACE
newPos.y = row * GRIDSPACE
n.setPos(newPos, 'end')
column += 1
})
Metamaps.Visualize.mGraph.animate(Metamaps.JIT.ForceDirected.animateSavedLayout)
} else if (layout == 'radial') {
var centerX = centerNode.getPos().x
var centerY = centerNode.getPos().y
centerNode.setPos(centerNode.getPos(), 'end')
console.log(centerNode.adjacencies)
var lineLength = 200
var usedNodes = {}
usedNodes[centerNode.id] = centerNode
var radial = function (node, level, degree) {
if (level == 1) {
var numLinksTemp = _.size(node.adjacencies)
var angleTemp = 2 * Math.PI / numLinksTemp
} else {
angleTemp = 2 * Math.PI / 20
}
node.eachAdjacency(function (a) {
var isSecondLevelNode = (centerNode.adjacencies[a.nodeTo.id] != undefined && level > 1)
if (usedNodes[a.nodeTo.id] == undefined && !isSecondLevelNode) {
var newPos = new $jit.Complex()
newPos.x = level * lineLength * Math.sin(degree) + centerX
newPos.y = level * lineLength * Math.cos(degree) + centerY
a.nodeTo.setPos(newPos, 'end')
usedNodes[a.nodeTo.id] = a.nodeTo
radial(a.nodeTo, level + 1, degree)
degree += angleTemp
}
})
}
radial(centerNode, 1, 0)
Metamaps.Visualize.mGraph.animate(Metamaps.JIT.ForceDirected.animateSavedLayout)
} else if (layout == 'center_viewport') {
var lowX = 0,
lowY = 0,
highX = 0,
highY = 0
var oldOriginX = Metamaps.Visualize.mGraph.canvas.translateOffsetX
var oldOriginY = Metamaps.Visualize.mGraph.canvas.translateOffsetY
Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
if (n.id === 1) {
lowX = n.getPos().x
lowY = n.getPos().y
highX = n.getPos().x
highY = n.getPos().y
}
if (n.getPos().x < lowX) lowX = n.getPos().x
if (n.getPos().y < lowY) lowY = n.getPos().y
if (n.getPos().x > highX) highX = n.getPos().x
if (n.getPos().y > highY) highY = n.getPos().y
})
console.log(lowX, lowY, highX, highY)
var newOriginX = (lowX + highX) / 2
var newOriginY = (lowY + highY) / 2
} else alert('please call function with a valid layout dammit!')
}
}; // end Metamaps.Organize

125
app/assets/javascripts/src/Metamaps.js.erb
View file

@ -4098,128 +4098,3 @@ Metamaps.Listeners = {
});
}
}; // end Metamaps.Listeners
/*
*
* ORGANIZE
*
*/
Metamaps.Organize = {
init: function () {
},
arrange: function (layout, centerNode) {
// first option for layout to implement is 'grid', will do an evenly spaced grid with its center at the 0,0 origin
if (layout == 'grid') {
var numNodes = _.size(Metamaps.Visualize.mGraph.graph.nodes); // this will always be an integer, the # of nodes on your graph visualization
var numColumns = Math.floor(Math.sqrt(numNodes)); // the number of columns to make an even grid
var GRIDSPACE = 400;
var row = 0;
var column = 0;
Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
if (column == numColumns) {
column = 0;
row += 1;
}
var newPos = new $jit.Complex();
newPos.x = column * GRIDSPACE;
newPos.y = row * GRIDSPACE;
n.setPos(newPos, 'end');
column += 1;
});
Metamaps.Visualize.mGraph.animate(Metamaps.JIT.ForceDirected.animateSavedLayout);
} else if (layout == 'grid_full') {
// this will always be an integer, the # of nodes on your graph visualization
var numNodes = _.size(Metamaps.Visualize.mGraph.graph.nodes);
//var numColumns = Math.floor(Math.sqrt(numNodes)); // the number of columns to make an even grid
//var GRIDSPACE = 400;
var height = Metamaps.Visualize.mGraph.canvas.getSize(0).height;
var width = Metamaps.Visualize.mGraph.canvas.getSize(0).width;
var totalArea = height * width;
var cellArea = totalArea / numNodes;
var ratio = height / width;
var cellWidth = sqrt(cellArea / ratio);
var cellHeight = cellArea / cellWidth;
var row = floor(height / cellHeight);
var column = floor(width / cellWidth);
var totalCells = row * column;
if (totalCells)
Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
if (column == numColumns) {
column = 0;
row += 1;
}
var newPos = new $jit.Complex();
newPos.x = column * GRIDSPACE;
newPos.y = row * GRIDSPACE;
n.setPos(newPos, 'end');
column += 1;
});
Metamaps.Visualize.mGraph.animate(Metamaps.JIT.ForceDirected.animateSavedLayout);
} else if (layout == 'radial') {
var centerX = centerNode.getPos().x;
var centerY = centerNode.getPos().y;
centerNode.setPos(centerNode.getPos(), 'end');
console.log(centerNode.adjacencies);
var lineLength = 200;
var usedNodes = {};
usedNodes[centerNode.id] = centerNode;
var radial = function (node, level, degree) {
if (level == 1) {
var numLinksTemp = _.size(node.adjacencies);
var angleTemp = 2 * Math.PI / numLinksTemp;
} else {
angleTemp = 2 * Math.PI / 20
};
node.eachAdjacency(function (a) {
var isSecondLevelNode = (centerNode.adjacencies[a.nodeTo.id] != undefined && level > 1);
if (usedNodes[a.nodeTo.id] == undefined && !isSecondLevelNode) {
var newPos = new $jit.Complex();
newPos.x = level * lineLength * Math.sin(degree) + centerX;
newPos.y = level * lineLength * Math.cos(degree) + centerY;
a.nodeTo.setPos(newPos, 'end');
usedNodes[a.nodeTo.id] = a.nodeTo;
radial(a.nodeTo, level + 1, degree);
degree += angleTemp;
};
});
};
radial(centerNode, 1, 0);
Metamaps.Visualize.mGraph.animate(Metamaps.JIT.ForceDirected.animateSavedLayout);
} else if (layout == 'center_viewport') {
var lowX = 0,
lowY = 0,
highX = 0,
highY = 0;
var oldOriginX = Metamaps.Visualize.mGraph.canvas.translateOffsetX;
var oldOriginY = Metamaps.Visualize.mGraph.canvas.translateOffsetY;
Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
if (n.id === 1) {
lowX = n.getPos().x;
lowY = n.getPos().y;
highX = n.getPos().x;
highY = n.getPos().y;
};
if (n.getPos().x < lowX) lowX = n.getPos().x;
if (n.getPos().y < lowY) lowY = n.getPos().y;
if (n.getPos().x > highX) highX = n.getPos().x;
if (n.getPos().y > highY) highY = n.getPos().y;
});
console.log(lowX, lowY, highX, highY);
var newOriginX = (lowX + highX) / 2;
var newOriginY = (lowY + highY) / 2;
} else alert('please call function with a valid layout dammit!');
}
}; // end Metamaps.Organize