31 lines
666 B
JavaScript
31 lines
666 B
JavaScript
"use strict";
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var _ = require("../lodash");
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var util = require("../util");
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var positionX = require("./bk").positionX;
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module.exports = position;
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function position(g) {
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g = util.asNonCompoundGraph(g);
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positionY(g);
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_.forEach(positionX(g), function(x, v) {
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g.node(v).x = x;
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});
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}
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function positionY(g) {
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var layering = util.buildLayerMatrix(g);
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var rankSep = g.graph().ranksep;
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var prevY = 0;
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_.forEach(layering, function(layer) {
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var maxHeight = _.max(_.map(layer, function(v) { return g.node(v).height; }));
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_.forEach(layer, function(v) {
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g.node(v).y = prevY + maxHeight / 2;
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});
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prevY += maxHeight + rankSep;
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});
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}
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