ToDomCoordsTestCase.prototype.testPlainChart = function() {
var opts = {
- drawXAxis: false,
- drawYAxis: false,
- drawXGrid: false,
- drawYGrid: false,
+ axes : {
+ x : {
+ drawAxis : false,
+ drawGrid : false,
+ },
+ y : {
+ drawAxis : false,
+ drawGrid : false,
+ }
+ },
rightGap: 0,
valueRange: [0, 100],
dateWindow: [0, 100],
assertEquals([500, 386], g.toDomCoords(100, 0));
}
-ToDomCoordsTestCase.prototype.testChartLogarithmic = function() {
+ToDomCoordsTestCase.prototype.testChartLogarithmic_YAxis = function() {
var opts = {
- drawXAxis: false,
- drawYAxis: false,
- drawXGrid: false,
- drawYGrid: false,
- logscale: true,
rightGap: 0,
- valueRange: [10, 100],
- dateWindow: [10, 100],
+ valueRange: [1, 4],
+ dateWindow: [0, 10],
width: 400,
height: 400,
- colors: ['#ff0000']
+ colors: ['#ff0000'],
+ axes: {
+ x: {
+ drawGrid: false,
+ drawAxis: false
+ },
+ y: {
+ drawGrid: false,
+ drawAxis: false,
+ logscale: true
+ }
+ }
}
var graph = document.getElementById("graph");
- g = new Dygraph(graph, [ [10,10], [100,100] ], opts);
+ g = new Dygraph(graph, [ [1,1], [4,4] ], opts);
- assertEquals([10, 100], g.toDataCoords(0, 0));
- assertEquals([10, 10], g.toDataCoords(0, 400));
- assertEquals([100, 100], g.toDataCoords(400, 0));
- assertEquals([100, 10], g.toDataCoords(400, 400));
+ var epsilon = 1e-8;
+ assertEqualsDelta([0, 4], g.toDataCoords(0, 0), epsilon);
+ assertEqualsDelta([0, 1], g.toDataCoords(0, 400), epsilon);
+ assertEqualsDelta([10, 4], g.toDataCoords(400, 0), epsilon);
+ assertEqualsDelta([10, 1], g.toDataCoords(400, 400), epsilon);
+ assertEqualsDelta([10, 2], g.toDataCoords(400, 200), epsilon);
- assertEquals([0, 0], g.toDomCoords(10, 100));
- assertEquals([0, 400], g.toDomCoords(10, 10));
- assertEquals([400, 0], g.toDomCoords(100, 100));
- assertEquals([400, 400], g.toDomCoords(100, 10));
+ assertEquals([0, 0], g.toDomCoords(0, 4));
+ assertEquals([0, 400], g.toDomCoords(0, 1));
+ assertEquals([400, 0], g.toDomCoords(10, 4));
+ assertEquals([400, 400], g.toDomCoords(10, 1));
+ assertEquals([400, 200], g.toDomCoords(10, 2));
}
+
+ToDomCoordsTestCase.prototype.testChartLogarithmic_XAxis = function() {
+ var opts = {
+ rightGap: 0,
+ valueRange: [1, 1000],
+ dateWindow: [1, 1000],
+ width: 400,
+ height: 400,
+ colors: ['#ff0000'],
+ axes: {
+ x: {
+ drawGrid: false,
+ drawAxis: false,
+ logscale: true
+ },
+ y: {
+ drawGrid: false,
+ drawAxis: false
+ }
+ }
+ }
+
+ var graph = document.getElementById("graph");
+ g = new Dygraph(graph, [ [1,1], [10, 10], [100,100], [1000,1000] ], opts);
+
+ var epsilon = 1e-8;
+ assertEqualsDelta(1, g.toDataXCoord(0), epsilon);
+ assertEqualsDelta(5.623413251903489, g.toDataXCoord(100), epsilon);
+ assertEqualsDelta(31.62277660168378, g.toDataXCoord(200), epsilon);
+ assertEqualsDelta(177.8279410038921, g.toDataXCoord(300), epsilon);
+ assertEqualsDelta(1000, g.toDataXCoord(400), epsilon);
+
+ assertEqualsDelta(0, g.toDomXCoord(1), epsilon);
+ assertEqualsDelta(3.6036036036036037, g.toDomXCoord(10), epsilon);
+ assertEqualsDelta(39.63963963963964, g.toDomXCoord(100), epsilon);
+ assertEqualsDelta(400, g.toDomXCoord(1000), epsilon);
+
+ assertEqualsDelta(0, g.toPercentXCoord(1), epsilon);
+ assertEqualsDelta(0.3333333333, g.toPercentXCoord(10), epsilon);
+ assertEqualsDelta(0.6666666666, g.toPercentXCoord(100), epsilon);
+ assertEqualsDelta(1, g.toPercentXCoord(1000), epsilon);
+
+ // Now zoom in and ensure that the methods return reasonable values.
+ g.updateOptions({dateWindow: [ 10, 100 ]});
+
+ assertEqualsDelta(10, g.toDataXCoord(0), epsilon);
+ assertEqualsDelta(17.78279410038923, g.toDataXCoord(100), epsilon);
+ assertEqualsDelta(31.62277660168379, g.toDataXCoord(200), epsilon);
+ assertEqualsDelta(56.23413251903491, g.toDataXCoord(300), epsilon);
+ assertEqualsDelta(100, g.toDataXCoord(400), epsilon);
+
+ assertEqualsDelta(-40, g.toDomXCoord(1), epsilon);
+ assertEqualsDelta(0, g.toDomXCoord(10), epsilon);
+ assertEqualsDelta(400, g.toDomXCoord(100), epsilon);
+ assertEqualsDelta(4400, g.toDomXCoord(1000), epsilon);
+
+ assertEqualsDelta(-1, g.toPercentXCoord(1), epsilon);
+ assertEqualsDelta(0, g.toPercentXCoord(10), epsilon);
+ assertEqualsDelta(1, g.toPercentXCoord(100), epsilon);
+ assertEqualsDelta(2, g.toPercentXCoord(1000), epsilon);
+}
\ No newline at end of file