├── .gitignore ├── LICENSE.txt ├── README.md ├── demo ├── index.html └── test.svg ├── dist ├── astrochart.js └── themes │ ├── astrosoft.css │ └── default.css ├── lib └── snapsvg │ ├── snap.svg-min.js │ └── snap.svg.js └── src ├── astrochart.js └── coffee ├── astrochart.coffee ├── cell.coffee ├── constants.coffee ├── dimension.coffee ├── item.coffee └── point.coffee /.gitignore: -------------------------------------------------------------------------------- 1 | packages/ 2 | *.lock 3 | \.idea/ 4 | *.iml 5 | *.orig 6 | build/ 7 | *.log 8 | 9 | -------------------------------------------------------------------------------- /LICENSE.txt: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2016 Rajasekar Elango 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | astrochartjs 2 | ============ 3 | 4 | Javascript library for drawing hindu astrological charts. You can look at demo of charts drawn using astrochartjs [at demo page](http://erajasekar.github.io/astrochartjs-demo/) 5 | 6 | Usage 7 | ----- 8 | 9 | ###Html File 10 | 11 | * astrochartjs uses [snapsvg](http://snapsvg.io/) for rendering `svg` . So [download snapsvg](https://github.com/adobe-webplatform/Snap.svg/archive/v0.2.0.zip) and include `snap.svg.js` file from `dist` folder in your html. Eg. 12 | 13 | ```html 14 | 15 | ``` 16 | 17 | * [Download astrochartjs](https://github.com/erajasekar/astrochartjs/archive/master.zip) and include `astrochart.js` from `dist` dir in your html. Eg 18 | 19 | ```html 20 | 21 | ``` 22 | 23 | * Add a `svg` element to your html file with unique id. Eg: 24 | 25 | ```html 26 | 27 | ``` 28 | 29 | ###Javascript 30 | 31 | * Create instance of `AstroChart` by passing `id` of `svg` element in html. 32 | 33 | ```javascript 34 | var astroChart = new AstroChart("#chart"); 35 | ``` 36 | * Call draw method with chart data and options to draw chart. Eg: 37 | 38 | ```javascript 39 | var options = { 40 | 'title': ['Rasi', '11/04/2014 07:00AM', 'Erode, Tamil Nadu, India'], 41 | 'width': 600, 42 | 'height': 400 43 | }; 44 | 45 | var astroChart = new AstroChart("#chart"); 46 | astroChart.draw({ 47 | 1: ["Su", "Ke"], 48 | 3: ["Ju"], 49 | 6: ["Ma", "Asc"], 50 | 7: ["Mo", "Sa", "Ra"], 51 | 11: ["Ve"], 52 | 12: ["Me"] 53 | }, options); 54 | ``` 55 | 56 | **`draw()` method parameters** 57 | 58 | |Name|Type|Description 59 | |----|----|---------- 60 | data |Object| Map of chart data with house number (1 to 12) as key and array of planets in that house as value. In above example first house contains **"Su"** and **"Ke"**, second house contains **"Ju"** etc.. 61 | options|Object| Map of key/value pair of options 62 | 63 | 64 | **Supported `options`** 65 | 66 | |Name|Type |Description 67 | |----|------|---------- 68 | width|int|Width of the chart 69 | height|int|Height of the chart 70 | styleSheet|url string|Url of custom stylesheet to use 71 | showHouseNumbers|boolean|Show house number on each house of the chart 72 | startHouseNumbersFrom|int(1-12)|Starting house number when showHouseNumbers is true. Useful if you want to begin numbering from Ascendant. 73 | 74 | 75 | -------------------------------------------------------------------------------- /demo/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | AstroChartJs Demo 9 | 10 | 11 | 12 | 13 | 14 | 15 | 42 | 43 | -------------------------------------------------------------------------------- /demo/test.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | Created with Snap 4 | 5 | 6 | Rasi 7 | 11/04/2014 07:00AM 8 | Erode, Tamil Nadu, India 9 | 10 | Su 11 | 12 | Su 13 | Mo 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | Su 25 | Mo 26 | Ve 27 | Sa 28 | -------------------------------------------------------------------------------- /dist/astrochart.js: -------------------------------------------------------------------------------- 1 | // Generated by CoffeeScript 1.7.1 2 | 3 | /* 4 | /** 5 | * AstroChart is the top level class that provides api to draw hindu astrological charts 6 | * 7 | * @author Rajasekar Elango 8 | * 9 | / 10 | */ 11 | 12 | (function() { 13 | var CONSTANTS, Cell, Dimension, Item, Point, addStyleSheet, computeCellLocation, computeHouseNumber, computeHouseNumberLocation, computeHouseSize, computeTitleLocation, drawHouse, drawTitle, formatId, getCellForHouse, getItems, log, 14 | __modulo = function(a, b) { return (a % b + +b) % b; }; 15 | 16 | this.AstroChart = function(elementId) { 17 | this.elementId = elementId; 18 | return { 19 | draw: (function(_this) { 20 | return function(data, options) { 21 | var chartSize, houseCell, houseNo, housePosition, houseSize, houseSpacingHeight, houseSpacingWidth, startPosition, svg, _i, _len, _ref, _results; 22 | svg = Snap(elementId); 23 | addStyleSheet(elementId, options); 24 | Point(startPosition = new Point(0, 0)); 25 | chartSize = new Dimension(options.width, options.height); 26 | svg.rect(startPosition.x, startPosition.y, chartSize.width, chartSize.height).attr({ 27 | "class": 'chart' 28 | }); 29 | drawTitle(svg, startPosition, chartSize, options.title); 30 | houseSpacingWidth = CONSTANTS.get('HOUSE_SPACING_WIDTH'); 31 | houseSpacingHeight = CONSTANTS.get('HOUSE_SPACING_HEIGHT'); 32 | houseSize = computeHouseSize(chartSize, houseSpacingWidth, houseSpacingHeight); 33 | _ref = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]; 34 | _results = []; 35 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { 36 | houseNo = _ref[_i]; 37 | Cell(houseCell = getCellForHouse(houseNo)); 38 | Point(housePosition = startPosition.move(houseCell.row * (houseSize.width + houseSpacingWidth), houseCell.col * (houseSize.height + houseSpacingHeight))); 39 | log("--------"); 40 | log(startPosition); 41 | log(housePosition); 42 | _results.push(drawHouse(svg, housePosition, houseSize, houseNo, data[houseNo], options)); 43 | } 44 | return _results; 45 | }; 46 | })(this) 47 | }; 48 | }; 49 | 50 | addStyleSheet = (function(_this) { 51 | return function(elementId, options) { 52 | var styleData, styleElement, styleSheetUrl, svgElement, _ref; 53 | svgElement = document.querySelector(elementId); 54 | styleElement = (_ref = svgElement.getElementsByTagName("style")) != null ? _ref[0] : void 0; 55 | styleElement = styleElement ? styleElement : document.createElement("style"); 56 | styleElement.setAttribute("type", "text/css"); 57 | styleSheetUrl = options.styleSheet ? options.styleSheet : CONSTANTS.get('DEFAULT_STYLE_SHEET'); 58 | styleData = document.createTextNode(" @import url(" + styleSheetUrl + ")"); 59 | styleElement.appendChild(styleData); 60 | return svgElement.appendChild(styleElement); 61 | }; 62 | })(this); 63 | 64 | getCellForHouse = function(houseNo) { 65 | switch (houseNo) { 66 | case 1: 67 | return new Cell(1, 0); 68 | case 2: 69 | return new Cell(2, 0); 70 | case 3: 71 | return new Cell(3, 0); 72 | case 4: 73 | return new Cell(3, 1); 74 | case 5: 75 | return new Cell(3, 2); 76 | case 6: 77 | return new Cell(3, 3); 78 | case 7: 79 | return new Cell(2, 3); 80 | case 8: 81 | return new Cell(1, 3); 82 | case 9: 83 | return new Cell(0, 3); 84 | case 10: 85 | return new Cell(0, 2); 86 | case 11: 87 | return new Cell(0, 1); 88 | case 12: 89 | return new Cell(0, 0); 90 | default: 91 | throw "houseNo should be between 1 and 12"; 92 | } 93 | }; 94 | 95 | getItems = function(data) { 96 | var items; 97 | switch ((data != null ? data.length : void 0)) { 98 | case 1: 99 | items = [new Item(data[0], new Cell(1, 1))]; 100 | break; 101 | case 2: 102 | items = [new Item(data[0], new Cell(0, 0)), new Item(data[1], new Cell(2, 2))]; 103 | break; 104 | case 3: 105 | items = [new Item(data[0], new Cell(0, 1)), new Item(data[1], new Cell(2, 0)), new Item(data[2], new Cell(2, 2))]; 106 | break; 107 | case 4: 108 | items = [new Item(data[0], new Cell(0, 0)), new Item(data[1], new Cell(0, 2)), new Item(data[2], new Cell(2, 0)), new Item(data[3], new Cell(2, 2))]; 109 | break; 110 | case 5: 111 | items = [new Item(data[0], new Cell(0, 0)), new Item(data[1], new Cell(0, 2)), new Item(data[2], new Cell(2, 0)), new Item(data[3], new Cell(2, 2)), new Item(data[4], new Cell(1, 1))]; 112 | break; 113 | case 6: 114 | items = [new Item(data[0], new Cell(0, 0)), new Item(data[1], new Cell(0, 1)), new Item(data[2], new Cell(0, 2)), new Item(data[3], new Cell(2, 0)), new Item(data[4], new Cell(2, 1)), new Item(data[5], new Cell(2, 2))]; 115 | break; 116 | case 7: 117 | items = [new Item(data[0], new Cell(0, 0)), new Item(data[1], new Cell(0, 1)), new Item(data[2], new Cell(0, 2)), new Item(data[3], new Cell(2, 0)), new Item(data[4], new Cell(2, 1)), new Item(data[5], new Cell(2, 2)), new Item(data[6], new Cell(1, 1))]; 118 | break; 119 | case 8: 120 | items = [new Item(data[0], new Cell(0, 0)), new Item(data[1], new Cell(0, 1)), new Item(data[2], new Cell(0, 2)), new Item(data[3], new Cell(2, 0)), new Item(data[4], new Cell(2, 1)), new Item(data[5], new Cell(2, 2)), new Item(data[6], new Cell(1, 0)), new Item(data[7], new Cell(1, 2))]; 121 | break; 122 | case 9: 123 | items = [new Item(data[0], new Cell(0, 0)), new Item(data[1], new Cell(0, 1)), new Item(data[2], new Cell(0, 2)), new Item(data[3], new Cell(1, 0)), new Item(data[4], new Cell(1, 1)), new Item(data[5], new Cell(1, 2)), new Item(data[6], new Cell(2, 0)), new Item(data[7], new Cell(2, 1)), new Item(data[8], new Cell(2, 2))]; 124 | } 125 | return items; 126 | }; 127 | 128 | drawHouse = function(svg, housePosition, houseSize, houseNumber, data, options) { 129 | var cellPosition, houseNumberLocation, item, items, point, scaledSize, startHouseNumbersFrom, styleClass, _i, _len; 130 | svg.rect(housePosition.x, housePosition.y, houseSize.width, houseSize.height).attr({ 131 | "class": 'house' 132 | }); 133 | Dimension(scaledSize = houseSize.scale(CONSTANTS.get('CELL_WIDTH_OFFSET_PERCENT'), CONSTANTS.get('CELL_HEIGHT_OFFSET_PERCENT'))); 134 | Point(cellPosition = housePosition.move(scaledSize.width, scaledSize.height)); 135 | items = getItems(data); 136 | if (items != null) { 137 | for (_i = 0, _len = items.length; _i < _len; _i++) { 138 | item = items[_i]; 139 | point = computeCellLocation(cellPosition, houseSize, item.cell); 140 | styleClass = /~R$/.test(item.text) ? 'house retrograde' : 'house'; 141 | svg.text(point.x, point.y, item.text).attr({ 142 | "class": styleClass, 143 | id: formatId(item.text) 144 | }); 145 | } 146 | } 147 | Point(houseNumberLocation = computeHouseNumberLocation(housePosition, houseSize)); 148 | if (options.showHouseNumbers) { 149 | startHouseNumbersFrom = options.startHouseNumbersFrom ? options.startHouseNumbersFrom : 1; 150 | svg.text(houseNumberLocation.x, houseNumberLocation.y, computeHouseNumber(houseNumber, startHouseNumbersFrom)).attr({ 151 | "class": 'houseNumber' 152 | }); 153 | } 154 | }; 155 | 156 | drawTitle = function(svg, chartPosition, chartSize, title) { 157 | var text, titlePosition; 158 | Point(titlePosition = computeTitleLocation(chartPosition, chartSize)); 159 | text = svg.text(titlePosition.x, titlePosition.y, title).attr({ 160 | "class": 'title' 161 | }); 162 | return text.selectAll("tspan:nth-child(n+2)").attr({ 163 | dy: "1.2em", 164 | x: titlePosition.x 165 | }); 166 | }; 167 | 168 | computeHouseNumberLocation = function(housePosition, houseSize) { 169 | var position, scaledSize; 170 | Dimension(scaledSize = houseSize.scale(CONSTANTS.get('HOUSE_NUMBER_WIDTH_OFFSET_PERCENT'), CONSTANTS.get('HOUSE_NUMBER_HEIGHT_OFFSET_PERCENT'))); 171 | Point(position = housePosition.move(scaledSize.width, scaledSize.height)); 172 | return position; 173 | }; 174 | 175 | computeHouseNumber = function(houseNumber, startHouseNumbersFrom) { 176 | return (__modulo(houseNumber - startHouseNumbersFrom, 12)) + 1; 177 | }; 178 | 179 | computeCellLocation = function(cellPosition, houseSize, cell) { 180 | var cellHeight, cellWidth, point; 181 | cellWidth = houseSize.width / CONSTANTS.get('CELL_TOTAL_ROWS'); 182 | cellHeight = houseSize.height / CONSTANTS.get('CELL_TOTAL_COLS'); 183 | point = cellPosition.move(cell.row * cellWidth, cell.col * cellHeight); 184 | log(point); 185 | return point; 186 | }; 187 | 188 | computeTitleLocation = function(chartPosition, chartSize) { 189 | var offset; 190 | offset = chartSize.scale(0.5, 0.5); 191 | return chartPosition.move(offset.width, offset.height); 192 | }; 193 | 194 | computeHouseSize = function(chartSize, houseSpacingWidth, houseSpacingHeight) { 195 | return new Dimension((chartSize.width - (3 * houseSpacingWidth)) / 4, (chartSize.height - (3 * houseSpacingHeight)) / 4); 196 | }; 197 | 198 | formatId = function(text) { 199 | return text.replace(/\s+/g, "_"); 200 | }; 201 | 202 | log = function(msg) { 203 | return CONSTANTS.get('DEBUG') && console.log(msg); 204 | }; 205 | 206 | Cell = (function() { 207 | function Cell(row, col) { 208 | this.row = row; 209 | this.col = col; 210 | } 211 | 212 | return Cell; 213 | 214 | })(); 215 | 216 | CONSTANTS = (function() { 217 | var private_; 218 | private_ = { 219 | DEBUG: false, 220 | HOUSE_SPACING_WIDTH: 5, 221 | HOUSE_SPACING_HEIGHT: 5, 222 | CELL_WIDTH_OFFSET_PERCENT: 0.05, 223 | CELL_HEIGHT_OFFSET_PERCENT: 0.25, 224 | CELL_TOTAL_ROWS: 3, 225 | CELL_TOTAL_COLS: 3, 226 | DEFAULT_STYLE_SHEET: "../dist/themes/default.css", 227 | HOUSE_NUMBER_WIDTH_OFFSET_PERCENT: 0.90, 228 | HOUSE_NUMBER_HEIGHT_OFFSET_PERCENT: 0.5 229 | }; 230 | return { 231 | get: function(name) { 232 | return private_[name]; 233 | } 234 | }; 235 | })(); 236 | 237 | Dimension = (function() { 238 | function Dimension(width, height) { 239 | this.width = width; 240 | this.height = height; 241 | } 242 | 243 | Dimension.prototype.scale = function(x, y) { 244 | return new Dimension(this.width * x, this.height * y); 245 | }; 246 | 247 | return Dimension; 248 | 249 | })(); 250 | 251 | Item = (function() { 252 | function Item(text, cell) { 253 | this.text = text; 254 | this.cell = cell; 255 | } 256 | 257 | return Item; 258 | 259 | })(); 260 | 261 | Point = (function() { 262 | function Point(x, y) { 263 | this.x = x; 264 | this.y = y; 265 | } 266 | 267 | Point.prototype.move = function(x, y) { 268 | return new Point(this.x + x, this.y + y); 269 | }; 270 | 271 | return Point; 272 | 273 | })(); 274 | 275 | }).call(this); 276 | -------------------------------------------------------------------------------- /dist/themes/astrosoft.css: -------------------------------------------------------------------------------- 1 | rect.house { 2 | stroke: #FFA500; 3 | fill: #FFFFFF; 4 | } 5 | 6 | rect.chart { 7 | fill: #FFFFFF; 8 | } 9 | 10 | text.house { 11 | font-family : "Courier New"; 12 | font-weight: bold; 13 | font-size: 16px; 14 | fill : #0000CC; 15 | } 16 | 17 | text.title { 18 | font-family: Arial, Helvetica, sans-serif; 19 | font-weight: 700; 20 | font-size : 16px; 21 | fill : #C80082; 22 | text-anchor: middle; 23 | } 24 | 25 | text.retrograde { 26 | fill:#00468C; 27 | } 28 | 29 | text.houseNumber { 30 | font-family : Consolas; 31 | font-size: 14px; 32 | fill : #B6B4AD; 33 | font-style: italic; 34 | } 35 | 36 | #Asc { 37 | fill:red; 38 | } 39 | 40 | #Mo { 41 | fill:#FF00FF 42 | } -------------------------------------------------------------------------------- /dist/themes/default.css: -------------------------------------------------------------------------------- 1 | rect.house { 2 | stroke: #FF7E00; 3 | fill: #F3EFE3; 4 | } 5 | 6 | rect.chart { 7 | fill: #F3EFE3; 8 | } 9 | 10 | text.house { 11 | font-family : Consolas; 12 | font-weight: bold; 13 | font-size: 16px; 14 | fill : #4867D6; 15 | } 16 | 17 | text.title { 18 | font-family: Helvetica, Arial, san-serif; 19 | font-weight: 700; 20 | font-size : 16px; 21 | fill : #248F40; 22 | text-anchor: middle; 23 | } 24 | 25 | text.retrograde { 26 | fill:#04819E; 27 | } 28 | 29 | text.houseNumber { 30 | font-family : Consolas; 31 | font-size: 14px; 32 | fill : #B6B4AD; 33 | font-style: italic; 34 | } 35 | 36 | #Asc { 37 | fill:#FF1E00; 38 | } 39 | 40 | #Mo { 41 | fill:#A61300 42 | } -------------------------------------------------------------------------------- /lib/snapsvg/snap.svg-min.js: -------------------------------------------------------------------------------- 1 | // Snap.svg 0.2.0 2 | // 3 | // Copyright (c) 2013 Adobe Systems Incorporated. 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e=a.parse(g(b)),f=a._.id(),i=(d.node.offsetWidth,d.node.offsetHeight,h("filter"));return h(i,{id:f,filterUnits:"userSpaceOnUse"}),i.appendChild(e.node),d.defs.appendChild(i),new c(i)},b.on("snap.util.getattr.filter",function(){b.stop();var c=h(this.node,"filter");if(c){var d=g(c).match(f);return d&&a.select(d[1])}}),b.on("snap.util.attr.filter",function(d){if(d instanceof c&&"filter"==d.type){b.stop();var e=d.node.id;e||(h(d.node,{id:d.id}),e=d.id),h(this.node,{filter:a.url(e)})}d&&"none"!=d||(b.stop(),this.node.removeAttribute("filter"))}),a.filter.blur=function(b,c){null==b&&(b=2);var d=null==c?b:[b,c];return a.format('',{def:d})},a.filter.blur.toString=function(){return this()},a.filter.shadow=function(b,c,d,e){return e=e||"#000",null==d&&(d=4),"string"==typeof d&&(e=d,d=4),null==b&&(b=0,c=2),null==c&&(c=b),e=a.color(e),a.format('',{color:e,dx:b,dy:c,blur:d}) 20 | },a.filter.shadow.toString=function(){return this()},a.filter.grayscale=function(b){return null==b&&(b=1),a.format('',{a:.2126+.7874*(1-b),b:.7152-.7152*(1-b),c:.0722-.0722*(1-b),d:.2126-.2126*(1-b),e:.7152+.2848*(1-b),f:.0722-.0722*(1-b),g:.2126-.2126*(1-b),h:.0722+.9278*(1-b)})},a.filter.grayscale.toString=function(){return this()},a.filter.sepia=function(b){return null==b&&(b=1),a.format('',{a:.393+.607*(1-b),b:.769-.769*(1-b),c:.189-.189*(1-b),d:.349-.349*(1-b),e:.686+.314*(1-b),f:.168-.168*(1-b),g:.272-.272*(1-b),h:.534-.534*(1-b),i:.131+.869*(1-b)})},a.filter.sepia.toString=function(){return this()},a.filter.saturate=function(b){return null==b&&(b=1),a.format('',{amount:1-b})},a.filter.saturate.toString=function(){return this()},a.filter.hueRotate=function(b){return b=b||0,a.format('',{angle:b})},a.filter.hueRotate.toString=function(){return this()},a.filter.invert=function(b){return null==b&&(b=1),a.format('',{amount:b,amount2:1-b})},a.filter.invert.toString=function(){return this()},a.filter.brightness=function(b){return null==b&&(b=1),a.format('',{amount:b})},a.filter.brightness.toString=function(){return this()},a.filter.contrast=function(b){return null==b&&(b=1),a.format('',{amount:b,amount2:.5-b/2})},a.filter.contrast.toString=function(){return this()}}),d}); -------------------------------------------------------------------------------- /src/astrochart.js: -------------------------------------------------------------------------------- 1 | /** 2 | * Created by Rajasekar Elango on 4/3/14. 3 | */ 4 | 5 | function drawChart() { 6 | s = Snap(800, 600); 7 | var cellWidth = 100; 8 | var cellHeight = 100; 9 | 10 | s.rect(0, 0, cellWidth, cellHeight).attr({ 11 | fill: 'white', 12 | stroke: 'black' 13 | }); 14 | var planets = ["Su", "Mo", "Ma", "Me", "Ju", "Ve" , "Sa", "Ra", "Ke"]; 15 | 16 | 17 | var x = 5; 18 | var y = 20; 19 | var xspacing = cellWidth / 3 ; 20 | var yspacing = cellHeight / 3; 21 | 22 | for (var i = 0; i < planets.length; ++i) { 23 | var planet = planets[i]; 24 | 25 | var point = findLocation({x:x, y:y, width:cellWidth, height:cellHeight, gridPosition:i}) 26 | s.text(point.x, point.y, planet); 27 | } 28 | 29 | } 30 | 31 | function findLocation(cell){ 32 | var x = cell.x; 33 | var y = cell.y; 34 | var cellWidth = cell.width; 35 | var cellHeight = cell.height; 36 | var gridPosition = cell.gridPosition; 37 | var xMultiplier = Math.floor(gridPosition / 3 ); 38 | var yMultiplier = (gridPosition % 3 ); 39 | var gridWidth = cellWidth / 3; 40 | var gridHeight = cellHeight / 3; 41 | var point = {x:(xMultiplier * gridWidth) + x, y:(yMultiplier * gridHeight) + y}; 42 | console.log(point); 43 | return point; 44 | 45 | } -------------------------------------------------------------------------------- /src/coffee/astrochart.coffee: -------------------------------------------------------------------------------- 1 | ### 2 | /** 3 | * AstroChart is the top level class that provides api to draw hindu astrological charts 4 | * 5 | * @author Rajasekar Elango 6 | * 7 | / 8 | ### 9 | 10 | 11 | @AstroChart = (elementId) -> 12 | this.elementId = elementId 13 | 14 | draw : (data, options) => 15 | svg = Snap(elementId) 16 | 17 | addStyleSheet(elementId, options) 18 | 19 | Point startPosition = new Point(0,0); 20 | 21 | chartSize = new Dimension(options.width,options.height); 22 | 23 | svg.rect(startPosition.x, startPosition.y, chartSize.width, chartSize.height).attr(class:'chart'); 24 | 25 | drawTitle(svg, startPosition, chartSize, options.title); 26 | 27 | houseSpacingWidth = CONSTANTS.get('HOUSE_SPACING_WIDTH'); 28 | houseSpacingHeight = CONSTANTS.get('HOUSE_SPACING_HEIGHT'); 29 | houseSize = computeHouseSize(chartSize, houseSpacingWidth, houseSpacingHeight); 30 | 31 | for houseNo in [1,2,3,4,5,6,7,8,9,10,11,12] 32 | Cell houseCell = getCellForHouse(houseNo) 33 | Point housePosition = startPosition.move((houseCell.row * (houseSize.width + houseSpacingWidth)), (houseCell.col * (houseSize.height + houseSpacingHeight))); 34 | log("--------") 35 | log(startPosition) 36 | log(housePosition) 37 | drawHouse(svg, housePosition , houseSize, houseNo, data[houseNo], options) 38 | 39 | addStyleSheet = (elementId, options) => 40 | svgElement = document.querySelector( elementId ); 41 | styleElement = svgElement.getElementsByTagName("style")?[0] 42 | styleElement = if styleElement then styleElement else document.createElement( "style" ); 43 | styleElement.setAttribute("type", "text/css"); 44 | styleSheetUrl = if options.styleSheet then options.styleSheet else CONSTANTS.get('DEFAULT_STYLE_SHEET') 45 | styleData = document.createTextNode(" @import url(#{styleSheetUrl})"); 46 | styleElement.appendChild(styleData) 47 | svgElement.appendChild(styleElement); 48 | 49 | getCellForHouse = (houseNo) -> 50 | switch (houseNo) 51 | when 1 then new Cell(1,0) 52 | when 2 then new Cell(2,0) 53 | when 3 then new Cell(3,0) 54 | when 4 then new Cell(3,1) 55 | when 5 then new Cell(3,2) 56 | when 6 then new Cell(3,3) 57 | when 7 then new Cell(2,3) 58 | when 8 then new Cell(1,3) 59 | when 9 then new Cell(0,3) 60 | when 10 then new Cell(0,2) 61 | when 11 then new Cell(0,1) 62 | when 12 then new Cell(0,0) 63 | else throw "houseNo should be between 1 and 12" 64 | 65 | getItems = (data) -> 66 | switch(data?.length) 67 | when 1 68 | items = [new Item(data[0], new Cell(1,1))] 69 | when 2 70 | items = [ 71 | new Item(data[0], new Cell(0,0)), 72 | new Item(data[1], new Cell(2,2)) 73 | ] 74 | when 3 75 | items = [ 76 | new Item(data[0], new Cell(0,1)), 77 | new Item(data[1], new Cell(2,0)), 78 | new Item(data[2], new Cell(2,2)) 79 | ] 80 | when 4 81 | items = [ 82 | new Item(data[0], new Cell(0,0)), 83 | new Item(data[1], new Cell(0,2)), 84 | new Item(data[2], new Cell(2,0)), 85 | new Item(data[3], new Cell(2,2)) 86 | ] 87 | when 5 88 | items = [ 89 | new Item(data[0], new Cell(0,0)), 90 | new Item(data[1], new Cell(0,2)), 91 | new Item(data[2], new Cell(2,0)), 92 | new Item(data[3], new Cell(2,2)), 93 | new Item(data[4], new Cell(1,1)), 94 | ] 95 | when 6 96 | items = [ 97 | new Item(data[0], new Cell(0,0)), 98 | new Item(data[1], new Cell(0,1)), 99 | new Item(data[2], new Cell(0,2)), 100 | new Item(data[3], new Cell(2,0)), 101 | new Item(data[4], new Cell(2,1)), 102 | new Item(data[5], new Cell(2,2)) 103 | ] 104 | when 7 105 | items = [ 106 | new Item(data[0], new Cell(0,0)), 107 | new Item(data[1], new Cell(0,1)), 108 | new Item(data[2], new Cell(0,2)), 109 | new Item(data[3], new Cell(2,0)), 110 | new Item(data[4], new Cell(2,1)), 111 | new Item(data[5], new Cell(2,2)), 112 | new Item(data[6], new Cell(1,1)) 113 | ] 114 | when 8 115 | items = [ 116 | new Item(data[0], new Cell(0,0)), 117 | new Item(data[1], new Cell(0,1)), 118 | new Item(data[2], new Cell(0,2)), 119 | new Item(data[3], new Cell(2,0)), 120 | new Item(data[4], new Cell(2,1)), 121 | new Item(data[5], new Cell(2,2)), 122 | new Item(data[6], new Cell(1,0)), 123 | new Item(data[7], new Cell(1,2)) 124 | ] 125 | when 9 126 | items = [ 127 | new Item(data[0], new Cell(0,0)), 128 | new Item(data[1], new Cell(0,1)), 129 | new Item(data[2], new Cell(0,2)), 130 | new Item(data[3], new Cell(1,0)), 131 | new Item(data[4], new Cell(1,1)), 132 | new Item(data[5], new Cell(1,2)), 133 | new Item(data[6], new Cell(2,0)), 134 | new Item(data[7], new Cell(2,1)), 135 | new Item(data[8], new Cell(2,2)) 136 | ] 137 | items 138 | 139 | drawHouse = (svg, housePosition, houseSize, houseNumber, data, options) -> 140 | svg.rect(housePosition.x, housePosition.y, houseSize.width, houseSize.height).attr(class:'house'); 141 | Dimension scaledSize = houseSize.scale(CONSTANTS.get('CELL_WIDTH_OFFSET_PERCENT'), CONSTANTS.get('CELL_HEIGHT_OFFSET_PERCENT')); 142 | Point cellPosition = housePosition.move( scaledSize.width, scaledSize.height); 143 | items = getItems(data) 144 | if items? 145 | for item in items 146 | point = computeCellLocation(cellPosition, houseSize, item.cell) 147 | styleClass = if /~R$/.test(item.text) then 'house retrograde' else 'house' 148 | svg.text(point.x, point.y, item.text).attr(class:styleClass, id : formatId(item.text)); 149 | Point houseNumberLocation = computeHouseNumberLocation(housePosition, houseSize) 150 | 151 | if options.showHouseNumbers 152 | startHouseNumbersFrom = if options.startHouseNumbersFrom then options.startHouseNumbersFrom else 1; 153 | svg.text(houseNumberLocation.x, houseNumberLocation.y, computeHouseNumber(houseNumber, startHouseNumbersFrom)).attr(class :'houseNumber') 154 | return; 155 | 156 | drawTitle = (svg, chartPosition, chartSize, title) -> 157 | Point titlePosition = computeTitleLocation(chartPosition, chartSize); 158 | text = svg.text(titlePosition.x, titlePosition.y , title).attr(class:'title'); 159 | text.selectAll("tspan:nth-child(n+2)").attr({ 160 | dy: "1.2em", 161 | x: titlePosition.x 162 | }); 163 | 164 | 165 | computeHouseNumberLocation = (housePosition, houseSize) -> 166 | Dimension scaledSize = houseSize.scale(CONSTANTS.get('HOUSE_NUMBER_WIDTH_OFFSET_PERCENT'), CONSTANTS.get('HOUSE_NUMBER_HEIGHT_OFFSET_PERCENT')); 167 | Point position = housePosition.move( scaledSize.width, scaledSize.height); 168 | return position 169 | 170 | computeHouseNumber = (houseNumber, startHouseNumbersFrom) -> 171 | ((houseNumber - startHouseNumbersFrom) %% 12) + 1 172 | 173 | computeCellLocation = (cellPosition,houseSize,cell) -> 174 | cellWidth = houseSize.width / CONSTANTS.get('CELL_TOTAL_ROWS') 175 | cellHeight = houseSize.height / CONSTANTS.get('CELL_TOTAL_COLS') 176 | point = cellPosition.move( (cell.row * cellWidth) , (cell.col * cellHeight) ); 177 | log(point) 178 | point 179 | 180 | computeTitleLocation = (chartPosition, chartSize) -> 181 | offset = chartSize.scale(0.5, 0.5) 182 | chartPosition.move(offset.width, offset.height) 183 | 184 | computeHouseSize = (chartSize, houseSpacingWidth, houseSpacingHeight)-> 185 | new Dimension(((chartSize.width - (3 * houseSpacingWidth))/4), ((chartSize.height - (3 * houseSpacingHeight))/4)) 186 | 187 | formatId = (text) -> 188 | text.replace(/\s+/g, "_") 189 | 190 | log = (msg) -> 191 | CONSTANTS.get('DEBUG') and console.log(msg) 192 | 193 | 194 | -------------------------------------------------------------------------------- /src/coffee/cell.coffee: -------------------------------------------------------------------------------- 1 | class Cell 2 | constructor: (@row, @col) -> 3 | -------------------------------------------------------------------------------- /src/coffee/constants.coffee: -------------------------------------------------------------------------------- 1 | CONSTANTS = (-> 2 | private_ = 3 | DEBUG :false, 4 | HOUSE_SPACING_WIDTH: 5, 5 | HOUSE_SPACING_HEIGHT: 5, 6 | CELL_WIDTH_OFFSET_PERCENT:0.05, 7 | CELL_HEIGHT_OFFSET_PERCENT:0.25, 8 | CELL_TOTAL_ROWS:3, 9 | CELL_TOTAL_COLS:3, 10 | DEFAULT_STYLE_SHEET: "../dist/themes/default.css", 11 | HOUSE_NUMBER_WIDTH_OFFSET_PERCENT:0.90, 12 | HOUSE_NUMBER_HEIGHT_OFFSET_PERCENT:0.5 13 | 14 | get: (name) -> 15 | private_[name] 16 | )() -------------------------------------------------------------------------------- /src/coffee/dimension.coffee: -------------------------------------------------------------------------------- 1 | class Dimension 2 | constructor: (@width, @height) -> 3 | 4 | scale: (x, y) -> new Dimension(@width * x, @height * y) -------------------------------------------------------------------------------- /src/coffee/item.coffee: -------------------------------------------------------------------------------- 1 | class Item 2 | constructor: (@text, @cell) -> 3 | -------------------------------------------------------------------------------- /src/coffee/point.coffee: -------------------------------------------------------------------------------- 1 | class Point 2 | constructor: (@x, @y) -> 3 | 4 | move: (x, y) -> new Point(@x + x, @y + y) --------------------------------------------------------------------------------