<iframe src="https://jsxgraph.org/share/iframe/heat-map" style="border: 1px solid black; overflow: hidden; width: 550px; aspect-ratio: 55 / 65;" name="JSXGraph example: Heat map" allowfullscreen ></iframe>
<div id="board-0-wrapper" class="jxgbox-wrapper " style="width: 100%; "> <div id="board-0" class="jxgbox" style="aspect-ratio: 1 / 1; width: 100%;" data-ar="1 / 1"></div> </div> <script type = "text/javascript"> /* This example is licensed under a Creative Commons Attribution ShareAlike 4.0 International License. https://creativecommons.org/licenses/by-sa/4.0/ Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits. */ const BOARDID = 'board-0'; const board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-5, 5, 5, -5], axis: true }); var i, j, step, f, list = []; var c = board.create('slider', [[1, 4.5], [4, 4.5], [1, 1, 5]]); f = (x, y) => Math.sin(c.Value() * x) * Math.cos(c.Value() * y); step = 0.5; for (i = -4; i <= 4; i += step) { for (j = -4; j <= 4; j += step) { list.push(board.create('point', [i, j], { face: '[]', withLabel: false, highlight: false, strokeWidth: 0, name: '', size: (self) => 2 + 8 * Math.abs(f(self.X(), self.Y())), fillColor: (self) => (f(self.X(), self.Y()) >= 0) ? '#0000ff50' : '#ff000050' })); } } </script>
/* This example is licensed under a Creative Commons Attribution ShareAlike 4.0 International License. https://creativecommons.org/licenses/by-sa/4.0/ Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits. */ const BOARDID = 'your_div_id'; // Insert your id here! const board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-5, 5, 5, -5], axis: true }); var i, j, step, f, list = []; var c = board.create('slider', [[1, 4.5], [4, 4.5], [1, 1, 5]]); f = (x, y) => Math.sin(c.Value() * x) * Math.cos(c.Value() * y); step = 0.5; for (i = -4; i <= 4; i += step) { for (j = -4; j <= 4; j += step) { list.push(board.create('point', [i, j], { face: '[]', withLabel: false, highlight: false, strokeWidth: 0, name: '', size: (self) => 2 + 8 * Math.abs(f(self.X(), self.Y())), fillColor: (self) => (f(self.X(), self.Y()) >= 0) ? '#0000ff50' : '#ff000050' })); } }
<jsxgraph width="100%" aspect-ratio="1 / 1" title="Heat map" description="This construction was copied from JSXGraph examples database: BTW HERE SHOULD BE A GENERATED LINKuseGlobalJS="false"> /* This example is licensed under a Creative Commons Attribution ShareAlike 4.0 International License. https://creativecommons.org/licenses/by-sa/4.0/ Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits. */ const board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-5, 5, 5, -5], axis: true }); var i, j, step, f, list = []; var c = board.create('slider', [[1, 4.5], [4, 4.5], [1, 1, 5]]); f = (x, y) => Math.sin(c.Value() * x) * Math.cos(c.Value() * y); step = 0.5; for (i = -4; i <= 4; i += step) { for (j = -4; j <= 4; j += step) { list.push(board.create('point', [i, j], { face: '[]', withLabel: false, highlight: false, strokeWidth: 0, name: '', size: (self) => 2 + 8 * Math.abs(f(self.X(), self.Y())), fillColor: (self) => (f(self.X(), self.Y()) >= 0) ? '#0000ff50' : '#ff000050' })); } } </jsxgraph>
// Define the id of your board in BOARDID const board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-5, 5, 5, -5], axis: true }); var i, j, step, f, list = []; var c = board.create('slider', [[1, 4.5], [4, 4.5], [1, 1, 5]]); f = (x, y) => Math.sin(c.Value() * x) * Math.cos(c.Value() * y); step = 0.5; for (i = -4; i <= 4; i += step) { for (j = -4; j <= 4; j += step) { list.push(board.create('point', [i, j], { face: '[]', withLabel: false, highlight: false, strokeWidth: 0, name: '', size: (self) => 2 + 8 * Math.abs(f(self.X(), self.Y())), fillColor: (self) => (f(self.X(), self.Y()) >= 0) ? '#0000ff50' : '#ff000050' })); } }
This example is licensed under a Creative Commons Attribution ShareAlike 4.0 International License. Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits.