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combined.js
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/*
WebPlotDigitizer - http://arohatgi.info/WebPlotdigitizer
Copyright 2010-2015 Ankit Rohatgi <[email protected]>
This file is part of WebPlotDigitizer.
WebPlotDIgitizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
WebPlotDigitizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WebPlotDigitizer. If not, see <http://www.gnu.org/licenses/>.
*/
var wpd = wpd || {};
wpd.initApp = function() {// This is run when the page loads.
wpd.browserInfo.checkBrowser();
wpd.layoutManager.initialLayout();
if(!wpd.loadRemoteData()) {
wpd.graphicsWidget.loadImageFromURL('start.png');
//wpd.messagePopup.show('Unstable Version Warning!', 'You are using a beta version of WebPlotDigitizer. There may be some issues with the software that are expected.');
}
document.getElementById('loadingCurtain').style.display = 'none';
};
wpd.loadRemoteData = function() {
if(typeof wpdremote === "undefined") {
return false;
}
if(wpdremote.status != null && wpdremote.status === 'fail') {
wpd.messagePopup.show('Remote Upload Failed!', 'Remote Upload Failed!');
return false;
}
if(wpdremote.status === 'success' && wpdremote.localUrl != null) {
wpd.graphicsWidget.loadImageFromURL(wpdremote.localUrl);
wpd.popup.show('axesList');
return true;
}
return false;
};
document.addEventListener("DOMContentLoaded", wpd.initApp, true);
/*
WebPlotDigitizer - http://arohatgi.info/WebPlotDigitizer
Copyright 2010-2015 Ankit Rohatgi <[email protected]>
This file is part of WebPlotDigitizer.
WebPlotDigitizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
WebPlotDigitizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WebPlotDigitizer. If not, see <http://www.gnu.org/licenses/>.
*/
var wpd = wpd || {};
// maintain and manage current state of the application
wpd.appData = (function () {
var isAligned = false,
plotData;
function reset() {
isAligned = false;
plotData = null;
}
function getPlotData() {
if(plotData == null) {
plotData = new wpd.PlotData();
}
return plotData;
}
function isAlignedFn(is_aligned) {
if(is_aligned != null) {
isAligned = is_aligned;
}
return isAligned;
}
function plotLoaded(imageData) {
getPlotData().topColors = wpd.colorAnalyzer.getTopColors(imageData);
}
return {
isAligned: isAlignedFn,
getPlotData: getPlotData,
reset: reset,
plotLoaded: plotLoaded
};
})();
/*
WebPlotDigitizer - http://arohatgi.info/WebPlotDigitizer
Copyright 2010-2015 Ankit Rohatgi <[email protected]>
This file is part of WebPlotDigitizer.
WebPlotDigitizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
WebPlotDigitizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WebPlotDigitizer. If not, see <http://www.gnu.org/licenses/>.
*/
var wpd = wpd || {};
wpd.AutoDetector = (function () {
var obj = function () {
this.fgColor = [0, 0, 200];
this.bgColor = [255, 255, 255];
this.mask = null;
this.gridMask = { xmin: null, xmax: null, ymin: null, ymax: null, pixels: [] };
this.gridLineColor = [255, 255, 255];
this.gridColorDistance = 10;
this.gridData = null;
this.colorDetectionMode = 'fg';
this.colorDistance = 120;
this.algorithm = null;
this.binaryData = null;
this.gridBinaryData = null;
this.imageData = null;
this.imageWidth = 0;
this.imageHeight = 0;
this.gridBackgroundMode = true;
this.reset = function () {
this.mask = null;
this.binaryData = null;
this.imageData = null;
this.gridData = null;
this.gridMask = { xmin: null, xmax: null, ymin: null, ymax: null, pixels: [] };
};
this.generateBinaryDataFromMask = function () {
var maski, img_index, dist,
ref_color = this.colorDetectionMode === 'fg' ? this.fgColor : this.bgColor;
for(maski = 0; maski < this.mask.length; maski++) {
img_index = this.mask[maski];
dist = Math.sqrt( (this.imageData.data[img_index*4] - ref_color[0])*(this.imageData.data[img_index*4] - ref_color[0]) +
(this.imageData.data[img_index*4+1] - ref_color[1])*(this.imageData.data[img_index*4+1] - ref_color[1]) +
(this.imageData.data[img_index*4+2] - ref_color[2])*(this.imageData.data[img_index*4+2] - ref_color[2]));
if(this.colorDetectionMode === 'fg') {
if(dist <= this.colorDistance) {
this.binaryData[img_index] = true;
}
} else {
if(dist >= this.colorDistance) {
this.binaryData[img_index] = true;
}
}
}
};
this.generateBinaryDataUsingFullImage = function () {
var dist, img_index,
ref_color = this.colorDetectionMode === 'fg' ? this.fgColor : this.bgColor;
for(img_index = 0; img_index < this.imageData.data.length/4; img_index++) {
dist = Math.sqrt( (this.imageData.data[img_index*4] - ref_color[0])*(this.imageData.data[img_index*4] - ref_color[0]) +
(this.imageData.data[img_index*4+1] - ref_color[1])*(this.imageData.data[img_index*4+1] - ref_color[1]) +
(this.imageData.data[img_index*4+2] - ref_color[2])*(this.imageData.data[img_index*4+2] - ref_color[2]));
if(this.colorDetectionMode === 'fg') {
if(dist <= this.colorDistance) {
this.binaryData[img_index] = true;
}
} else {
if(dist >= this.colorDistance) {
this.binaryData[img_index] = true;
}
}
}
};
this.generateBinaryData = function () {
this.binaryData = [];
if(this.imageData == null) {
this.imageHeight = 0;
this.imageWidth = 0;
return;
}
this.imageHeight = this.imageData.height;
this.imageWidth = this.imageData.width;
if (this.mask == null || this.mask.length === 0) {
this.generateBinaryDataUsingFullImage();
} else {
this.generateBinaryDataFromMask();
}
};
this.generateGridBinaryData = function () {
this.gridBinaryData = [];
if (this.imageData == null) {
this.imageWidth = 0;
this.imageHeight = 0;
return;
}
this.imageWidth = this.imageData.width;
this.imageHeight = this.imageData.height;
var xi, yi, dist, img_index, maski;
if (this.gridMask.pixels == null || this.gridMask.pixels.length === 0) {
// Use full image if no mask is present
maski = 0;
this.gridMask.pixels = [];
for(yi = 0; yi < this.imageHeight; yi++) {
for(xi = 0; xi < this.imageWidth; xi++) {
img_index = yi*this.imageWidth + xi;
dist = wpd.dist3d(this.gridLineColor[0], this.gridLineColor[1], this.gridLineColor[2],
this.imageData.data[img_index*4], this.imageData.data[img_index*4 + 1],
this.imageData.data[img_index*4 + 2]);
if(this.gridBackgroundMode) {
if (dist > this.gridColorDistance) {
this.gridBinaryData[img_index] = true;
this.gridMask.pixels[maski] = img_index;
maski++;
}
} else {
if (dist < this.gridColorDistance) {
this.gridBinaryData[img_index] = true;
this.gridMask.pixels[maski] = img_index;
maski++;
}
}
}
}
this.gridMask.xmin = 0;
this.gridMask.xmax = this.imageWidth;
this.gridMask.ymin = 0;
this.gridMask.ymax = this.imageHeight;
return;
}
for (maski = 0; maski < this.gridMask.pixels.length; maski++) {
img_index = this.gridMask.pixels[maski];
dist = wpd.dist3d(this.gridLineColor[0], this.gridLineColor[1], this.gridLineColor[2],
this.imageData.data[img_index*4], this.imageData.data[img_index*4 + 1],
this.imageData.data[img_index*4 + 2]);
if(this.gridBackgroundMode) {
if (dist > this.gridColorDistance) {
this.gridBinaryData[img_index] = true;
}
} else {
if (dist < this.gridColorDistance) {
this.gridBinaryData[img_index] = true;
}
}
}
};
};
return obj;
})();
/*
WebPlotDigitizer - http://arohatgi.info/WebPlotdigitizer
Copyright 2010-2015 Ankit Rohatgi <[email protected]>
This file is part of WebPlotDigitizer.
WebPlotDIgitizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
WebPlotDigitizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WebPlotDigitizer. If not, see <http://www.gnu.org/licenses/>.
*/
var wpd = wpd || {};
// calibration info
wpd.Calibration = (function () {
var Calib = function(dim) {
// Pixel information
var px = [],
py = [],
// Data information
dimensions = dim == null ? 2 : dim,
dp = [],
selections = [];
this.labels = [];
this.getCount = function () { return px.length; };
this.getDimensions = function() { return dimensions; };
this.addPoint = function(pxi, pyi, dxi, dyi, dzi) {
var plen = px.length, dlen = dp.length;
px[plen] = pxi;
py[plen] = pyi;
dp[dlen] = dxi; dp[dlen+1] = dyi;
if(dimensions === 3) {
dp[dlen+2] = dzi;
}
};
this.getPoint = function(index) {
if(index < 0 || index >= px.length) return null;
return {
px: px[index],
py: py[index],
dx: dp[dimensions*index],
dy: dp[dimensions*index+1],
dz: dimensions === 2 ? null : dp[dimensions*index + 2]
};
};
this.changePointPx = function(index, npx, npy) {
if(index < 0 || index >= px.length) {
return;
}
px[index] = npx;
py[index] = npy;
};
this.setDataAt = function(index, dxi, dyi, dzi) {
if(index < 0 || index >= px.length) return;
dp[dimensions*index] = dxi;
dp[dimensions*index + 1] = dyi;
if(dimensions === 3) {
dp[dimensions*index + 2] = dzi;
}
};
this.findNearestPoint = function(x, y, threshold) {
threshold = (threshold == null) ? 50 : parseFloat(threshold);
var minDist, minIndex = -1,
i, dist;
for(i = 0; i < px.length; i++) {
dist = Math.sqrt((x - px[i])*(x - px[i]) + (y - py[i])*(y - py[i]));
if((minIndex < 0 && dist <= threshold) || (minIndex >= 0 && dist < minDist)) {
minIndex = i;
minDist = dist;
}
}
return minIndex;
};
this.selectPoint = function(index) {
if(selections.indexOf(index) < 0) {
selections[selections.length] = index;
}
};
this.selectNearestPoint = function (x, y, threshold) {
var minIndex = this.findNearestPoint(x, y, threshold);
if (minIndex >= 0) {
this.selectPoint(minIndex);
}
};
this.getSelectedPoints = function () {
return selections;
};
this.unselectAll = function() {
selections = [];
};
this.isPointSelected = function(index) {
return selections.indexOf(index) >= 0;
};
this.dump = function() {
console.log(px);
console.log(py);
console.log(dp);
};
};
return Calib;
})();
/*
WebPlotDigitizer - http://arohatgi.info/WebPlotDigitizer
Copyright 2010-2015 Ankit Rohatgi <[email protected]>
This file is part of WebPlotDigitizer.
WebPlotDigitizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
WebPlotDigitizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WebPlotDigitizer. If not, see <http://www.gnu.org/licenses/>.
*/
wpd = wpd || {};
wpd.ColorGroup = (function () {
var CGroup = function(tolerance) {
var totalPixelCount = 0,
averageColor = {r: 0, g: 0, b: 0};
tolerance = tolerance == null ? 100 : tolerance;
this.getPixelCount = function () {
return totalPixelCount;
};
this.getAverageColor = function () {
return averageColor;
};
this.isColorInGroup = function (r, g, b) {
if (totalPixelCount === 0) {
return true;
}
var dist = (averageColor.r - r)*(averageColor.r - r) + (averageColor.g - g)*(averageColor.g - g) + (averageColor.b - b)*(averageColor.b - b);
return (dist <= tolerance*tolerance);
};
this.addPixel = function (r, g, b) {
averageColor.r = (averageColor.r*totalPixelCount + r)/(totalPixelCount + 1.0);
averageColor.g = (averageColor.g*totalPixelCount + g)/(totalPixelCount + 1.0);
averageColor.b = (averageColor.b*totalPixelCount + b)/(totalPixelCount + 1.0);
totalPixelCount = totalPixelCount + 1;
};
};
return CGroup;
})();
wpd.colorAnalyzer = (function () {
function getTopColors (imageData) {
var colorGroupColl = [], // collection of color groups
pixi,
r, g, b,
groupi,
groupMatched,
rtnVal = [],
avColor,
tolerance = 120;
colorGroupColl[0] = new wpd.ColorGroup(tolerance); // initial group
for (pixi = 0; pixi < imageData.data.length; pixi += 4) {
r = imageData.data[pixi];
g = imageData.data[pixi + 1];
b = imageData.data[pixi + 2];
groupMatched = false;
for (groupi = 0; groupi < colorGroupColl.length; groupi++) {
if (colorGroupColl[groupi].isColorInGroup(r, g, b)) {
colorGroupColl[groupi].addPixel(r, g, b);
groupMatched = true;
break;
}
}
if (!groupMatched) {
colorGroupColl[colorGroupColl.length] = new wpd.ColorGroup(tolerance);
colorGroupColl[colorGroupColl.length - 1].addPixel(r, g, b);
}
}
// sort groups
colorGroupColl.sort(function(a, b) {
if ( a.getPixelCount() > b.getPixelCount() ) {
return -1;
} else if (a.getPixelCount() < b.getPixelCount() ) {
return 1;
}
return 0;
});
for (groupi = 0; groupi < colorGroupColl.length; groupi++) {
avColor = colorGroupColl[groupi].getAverageColor();
rtnVal[groupi] = {
r: parseInt(avColor.r, 10),
g: parseInt(avColor.g, 10),
b: parseInt(avColor.b, 10),
pixels: colorGroupColl[groupi].getPixelCount(),
percentage: 100.0*colorGroupColl[groupi].getPixelCount()/(0.25*imageData.data.length)
};
}
return rtnVal;
}
return {
getTopColors: getTopColors
};
})();
/*
WebPlotDigitizer - http://arohatgi.info/WebPlotdigitizer
Copyright 2010-2015 Ankit Rohatgi <[email protected]>
This file is part of WebPlotDigitizer.
WebPlotDIgitizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
WebPlotDigitizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WebPlotDigitizer. If not, see <http://www.gnu.org/licenses/>.
*/
var wpd = wpd || {};
wpd.ConnectedPoints = (function () {
var CPoints = function (connectivity) {
var connections = [],
selectedConnectionIndex = -1,
selectedPointIndex = -1;
this.addConnection = function (plist) {
connections[connections.length] = plist;
};
this.clearAll = function () {
connections = [];
};
this.getConnectionAt = function (index) {
if(index < connections.length) {
return connections[index];
}
};
this.replaceConnectionAt = function (index, plist) {
if(index < connections.length) {
connections[index] = plist;
}
};
this.deleteConnectionAt = function (index) {
if(index < connections.length) {
connections.splice(index, 1);
}
};
this.connectionCount = function () {
return connections.length;
};
this.getDistance = function(index) {
if(index < connections.length && connectivity === 2) {
var dist = Math.sqrt((connections[index][0] - connections[index][2])*(connections[index][0] - connections[index][2])
+ (connections[index][1] - connections[index][3])*(connections[index][1] - connections[index][3]));
return dist; // this is in pixels!
}
};
this.getAngle = function(index) {
if(index < connections.length && connectivity === 3) {
var ang1 = wpd.taninverse(-(connections[index][5] - connections[index][3]), connections[index][4] - connections[index][2]),
ang2 = wpd.taninverse(-(connections[index][1] - connections[index][3]), connections[index][0] - connections[index][2]),
ang = ang1 - ang2;
ang = 180.0*ang/Math.PI;
ang = ang < 0 ? ang + 360 : ang;
return ang;
}
};
this.getOpenSpline = function(index) {
return null;
};
this.getClosedSpline = function(index) {
return null;
};
this.openPathLength = function(index) {
return 0;
};
this.closedPathLength = function(index) {
return 0;
};
this.closedPathArea = function(index) {
return 0;
};
this.findNearestPointAndConnection = function (x, y) {
var minConnIndex = -1,
minPointIndex = -1,
minDist, dist,
ci, pi;
for (ci = 0; ci < connections.length; ci++) {
for (pi = 0; pi < connectivity*2; pi+=2) {
dist = (connections[ci][pi] - x)*(connections[ci][pi] - x) + (connections[ci][pi+1] - y)*(connections[ci][pi+1] - y);
if (minPointIndex === -1 || dist < minDist) {
minConnIndex = ci;
minPointIndex = pi/2;
minDist = dist;
}
}
}
return {
connectionIndex: minConnIndex,
pointIndex: minPointIndex
};
};
this.selectNearestPoint = function (x, y) {
var nearestPt = this.findNearestPointAndConnection(x, y);
if (nearestPt.connectionIndex >= 0) {
selectedConnectionIndex = nearestPt.connectionIndex;
selectedPointIndex = nearestPt.pointIndex;
}
};
this.deleteNearestConnection = function (x, y) {
var nearestPt = this.findNearestPointAndConnection(x, y);
if (nearestPt.connectionIndex >= 0) {
this.deleteConnectionAt(nearestPt.connectionIndex);
}
};
this.isPointSelected = function (connectionIndex, pointIndex) {
if (selectedPointIndex === pointIndex && selectedConnectionIndex === connectionIndex) {
return true;
}
return false;
};
this.getSelectedConnectionAndPoint = function () {
return {
connectionIndex: selectedConnectionIndex,
pointIndex: selectedPointIndex
};
};
this.unselectConnectionAndPoint = function () {
selectedConnectionIndex = -1;
selectedPointIndex = -1;
};
this.setPointAt = function (connectionIndex, pointIndex, x, y) {
connections[connectionIndex][pointIndex*2] = x;
connections[connectionIndex][pointIndex*2 + 1] = y;
};
this.getPointAt = function (connectionIndex, pointIndex) {
return {
x: connections[connectionIndex][pointIndex*2],
y: connections[connectionIndex][pointIndex*2 + 1]
};
};
};
return CPoints;
})();
/*
WebPlotDigitizer - http://arohatgi.info/WebPlotdigitizer
Copyright 2010-2015 Ankit Rohatgi <[email protected]>
This file is part of WebPlotDigitizer.
WebPlotDIgitizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
WebPlotDigitizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WebPlotDigitizer. If not, see <http://www.gnu.org/licenses/>.
*/
var wpd = wpd || {};
// Data from a series
wpd.DataSeries = (function () {
return function (dim) {
var dataPoints = [],
connections = [],
selections = [],
hasMetadata = false,
mkeys = [];
this.name = "Default Dataset";
this.variableNames = ['x', 'y'];
this.hasMetadata = function () {
return hasMetadata;
};
this.setMetadataKeys = function (metakeys) {
mkeys = metakeys;
};
this.getMetadataKeys = function () {
return mkeys;
};
this.addPixel = function(pxi, pyi, mdata) {
var dlen = dataPoints.length;
dataPoints[dlen] = {x: pxi, y: pyi, metadata: mdata};
if (mdata != null) {
hasMetadata = true;
}
};
this.getPixel = function(index) {
return dataPoints[index];
};
this.setPixelAt = function (index, pxi, pyi) {
if(index < dataPoints.length) {
dataPoints[index].x = pxi;
dataPoints[index].y = pyi;
}
};
this.setMetadataAt = function (index, mdata) {
if (index < dataPoints.length) {
dataPoints[index].metadata = mdata;
}
};
this.insertPixel = function(index, pxi, pyi, mdata) {
dataPoints.splice(index, 0, {x: pxi, y: pyi, metadata: mdata});
};
this.removePixelAtIndex = function(index) {
if(index < dataPoints.length) {
dataPoints.splice(index, 1);
}
};
this.removeLastPixel = function() {
var pIndex = dataPoints.length - 1;
this.removePixelAtIndex(pIndex);
};
this.findNearestPixel = function(x, y, threshold) {
threshold = (threshold == null) ? 50 : parseFloat(threshold);
var minDist, minIndex = -1,
i, dist;
for(i = 0; i < dataPoints.length; i++) {
dist = Math.sqrt((x - dataPoints[i].x)*(x - dataPoints[i].x) + (y - dataPoints[i].y)*(y - dataPoints[i].y));
if((minIndex < 0 && dist <= threshold) || (minIndex >= 0 && dist < minDist)) {
minIndex = i;
minDist = dist;
}
}
return minIndex;
};
this.removeNearestPixel = function(x, y, threshold) {
var minIndex = this.findNearestPixel(x, y, threshold);
if(minIndex >= 0) {
this.removePixelAtIndex(minIndex);
}
};
this.clearAll = function() {
dataPoints = [];
hasMetadata = false;
mkeys = [];
};
this.getCount = function() { return dataPoints.length; };
this.selectPixel = function(index) {
if(selections.indexOf(index) >= 0) {
return;
}
selections[selections.length] = index;
};
this.unselectAll = function () {
selections = [];
};
this.selectNearestPixel = function(x, y, threshold) {
var minIndex = this.findNearestPixel(x, y, threshold);
if(minIndex >= 0) {
this.selectPixel(minIndex);
}
return minIndex;
};
this.selectNextPixel = function() {
for(var i = 0; i < selections.length; i++) {
selections[i] = (selections[i] + 1) % dataPoints.length;
}
};
this.selectPreviousPixel = function() {
var i, newIndex;
for(i = 0; i < selections.length; i++) {
newIndex = selections[i];
if(newIndex === 0) {
newIndex = dataPoints.length - 1;
} else {
newIndex = newIndex - 1;
}
selections[i] = newIndex;
}
};
this.getSelectedPixels = function () {
return selections;
};
};
})();
/*
WebPlotDigitizer - http://arohatgi.info/WebPlotDigitizer
Copyright 2010-2015 Ankit Rohatgi <[email protected]>
This file is part of WebPlotDigitizer.
WebPlotDigitizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
WebPlotDigitizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WebPlotDigitizer. If not, see <http://www.gnu.org/licenses/>.
*/
/* Parse dates and convert back and forth to Julian days */
var wpd = wpd || {};
wpd.dateConverter = (function () {
function parse(input) {
if(input == null) { return null; }
if(typeof input === "string") {
if(input.indexOf('/') < 0) { return null; }
}
return toJD(input);
}
function toJD(dateString) {
dateString = dateString.toString();
var dateParts = dateString.split("/"),
year,
month,
day,
tempDate,
rtnValue;
if(dateParts.length <= 0 || dateParts.length > 3) {
return null;
}
year = parseInt(dateParts[0], 10);
month = parseInt(dateParts[1] === undefined ? 0 : dateParts[1], 10);
date = parseInt(dateParts[2] === undefined ? 1 : dateParts[2], 10);
if(isNaN(year) || isNaN(month) || isNaN(date)) {
return null;
}
if(month > 12 || month < 1) {
return null;
}
if(date > 31 || date < 1) {
return null;
}
// Temporary till I figure out julian dates:
tempDate = new Date();
tempDate.setUTCFullYear(year);
tempDate.setUTCMonth(month-1);
tempDate.setUTCDate(date);
rtnValue = parseFloat(Date.parse(tempDate));
if(!isNaN(rtnValue)) {
return rtnValue;
}
return null;
}
function fromJD(jd) {
// Temporary till I figure out julian dates:
jd = parseFloat(jd);
var msInDay = 24*60*60*1000,
roundedDate = parseInt(Math.round(jd/msInDay)*msInDay,10),
tempDate = new Date(roundedDate);
return tempDate;
}
function formatDateNumber(dateNumber, formatString) {
return formatDate(fromJD(dateNumber), formatString);
}
function formatDate(dateObject, formatString) {
var longMonths = [
"January",
"February",
"March",
"April",