diff --git a/dist/L.Control.Heightgraph.js b/dist/L.Control.Heightgraph.js index 9d4f3c1..6f4163c 100644 --- a/dist/L.Control.Heightgraph.js +++ b/dist/L.Control.Heightgraph.js @@ -5082,8 +5082,8 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b * calculates minimum and maximum values for the elevation scale drawn with d3 */ _calculateElevationBounds: function _calculateElevationBounds() { - var max = d3Max(this._elevations); - var min = d3Min(this._elevations); + var max = d3Max(this._elevations) || 10; + var min = d3Min(this._elevations) || 0; var range = max - min; this._elevationBounds = { min: range < 10 ? min - 10 : min - 0.1 * range, @@ -5094,7 +5094,7 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b /** * Creates a marker on the map while hovering * @param {Object} ll: actual coordinates of the route - * @param {Number} height: height as float + * @param {*} height: height as float or undefined text * @param {string} type: type of element */ _showMapMarker: function _showMapMarker(ll, height, type) { @@ -5358,6 +5358,17 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b this._svg.append('g').attr("transform", "translate(-2,0)").attr('class', 'y axis').call(this._yAxis); }, + /** + * Returns if the given data element is defined, in order to handle missing + * elevation values and show them as gap. Implements a d3 defined accessor + * that can be passed to area/line.defined. + * @param {*} d data element + * @return {boolean} true, if elevation value is defined, false otherwise + */ + _defined: function _defined(d) { + return d && d.altitude !== undefined && d.altitude !== null; + }, + /** * Appends the areas to the graph */ @@ -5371,7 +5382,7 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b return xDiagonalCoordinate; }).y0(this._svgHeight).y1(function (d) { return self._y(d.altitude); - }).curve(curveLinear); + }).curve(curveLinear).defined(this._defined); this._areapath = this._svg.append("path").attr("class", "area"); this._areapath.datum(block).attr("d", this._area).attr("stroke", c).styles(this._graphStyle).style("fill", c).style("pointer-events", "none"); @@ -5584,7 +5595,7 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b }).y(function (d) { var y = self._y; return y(d.altitude); - }).curve(curveBasis); + }).curve(curveBasis).defined(this._defined); this._svg.append("svg:path").attr("d", borderTopLine(data)).attr('class', 'border-top'); }, @@ -5692,7 +5703,7 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b _internalMousemoveHandler: function _internalMousemoveHandler(item) { var showMapMarker = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true; var areaLength; - var alt = item.altitude, + var alt = this._defined(item) ? item.altitude : '-', dist = item.position, ll = item.latlng, areaIdx = item.areaIdx, diff --git a/dist/L.Control.Heightgraph.min.js b/dist/L.Control.Heightgraph.min.js index 008c4c1..1e7bbfb 100644 --- a/dist/L.Control.Heightgraph.min.js +++ b/dist/L.Control.Heightgraph.min.js @@ -1 +1 @@ -!function(){"use strict";function t(n){return(t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof 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n=t.options.selectedAttributeIdx+=1;n===t._categories.length&&(t.options.selectedAttributeIdx=n=0),a(n),t._removeChart(),t._removeMarkedSegmentsOnMap(),t._createChart(n)},u=function(){var n=t.options.selectedAttributeIdx-=1;-1===n&&(t.options.selectedAttributeIdx=n=t._categories.length-1),a(n),t._removeChart(),t._removeMarkedSegmentsOnMap(),t._createChart(n)}},_createLegend:function(){var t=this,n=this,e=[];if(this._categories.length>0)for(var r in this._categories[this.options.selectedAttributeIdx].legend)e.push(this._categories[this.options.selectedAttributeIdx].legend[r]);var i=this._height-this._margin.bottom,o=i+this._margin.bottom/2,a=[{text:this._getTranslation("legend")}],s=this._svg.selectAll(".hlegend-hover").data(e).enter().append("g").attr("class","legend").style("display","none").attr("transform",(function(t,n){return"translate(-8,"+(14*n-28)+")"})),u=s.append("rect").attr("class","legend-rect").attr("x",15).attr("y",36).attr("width",6).attr("height",6);0!==Object.keys(this._graphStyle).length?u.styles(this._graphStyle).style("stroke",(function(t,n){return t.color})).style("fill",(function(t,n){return t.color})):u.style("stroke","black").style("fill",(function(t,n){return t.color})),s.append("text").attr("class","legend-text").attr("x",30).attr("y",42).text((function(t,e){var r=t.text;return n._boxBoundY=(i-2*i/3+7)*e,r}));var l=this._svg.selectAll(".legend-hover").data(a).enter().append("g").attr("class","legend-hover");this._showLegend=!1,l.append("text").attr("x",15).attr("y",o).attr("text-anchor","start").text((function(t,n){return t.text})).on("mouseover",(function(){wt(".legend").style("display","block")})).on("mouseleave",(function(){t._showLegend||wt(".legend").style("display","none")})).on("click",(function(){t._showLegend=!t._showLegend}))},_dynamicBoxSize:function(t){for(var n=wt(t).nodes().length,e=[],r=0;r0&&void 0!==arguments[0]?arguments[0]:1e3;this.mouseoutDelay&&window.clearTimeout(this.mouseoutDelay),this.mouseoutDelay=window.setTimeout((function(){t._mouseoutHandler()}),n)},mapMousemoveHandler:function(t){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},e=n.showMapMarker,r=void 0===e||e;if(!1!==this._areasFlattended){var i,a=null,s=2*Math.pow(100,2),u=1.1/111111,l=o(this._areasFlattended);try{for(l.s();!(i=l.n()).done;){var h=i.value,c=t.latlng.lat-h.latlng.lat,f=t.latlng.lng-h.latlng.lng;if(Math.abs(c)1&&void 0!==arguments[1])||arguments[1],r=this._defined(t)?t.altitude:"-",i=t.position,o=t.latlng,a=t.areaIdx,s=t.type,u=this._dynamicBoxSize(".focusbox text")[1]+10;n=0===a?this._categories[this.options.selectedAttributeIdx].distances[a]:this._categories[this.options.selectedAttributeIdx].distances[a]-this._categories[this.options.selectedAttributeIdx].distances[a-1],e&&this._showMapMarker(o,r,s),this._distTspan.text(" "+i.toFixed(1)+" km"),this._altTspan.text(" "+r+" m"),this._areaTspan.text(" "+n.toFixed(1)+" km"),this._typeTspan.text(" "+s),this._focusRect.attr("width",u),this._focusLine.style("display","block").attr("x1",this._x(i)).attr("x2",this._x(i));var l=this._x(i)-(u+5),h=this._width-this._margin.left-this._margin.right;this._x(i)+uh&&this._focus.style("display","initial").attr("transform","translate("+l+","+this._y(this._elevationBounds.min)+")")},_findItemForX:function(t){var n=Xe((function(t){return t.position})).left,e=this._x.invert(t);return n(this._areasFlattended,e)},_findCoordsForY:function(t){var n=this._y.invert(t);return function(t,n){for(var e=[],r=0;r=n&&e.push(r);for(var i=[],o=0,a=0;a { + hg.mapMousemoveHandler(event, {showMapMarker:true}) + } + const outRoute = event => { + hg.mapMouseoutHandler(0) + } + + layer = L.geoJson(geoJson,{ + weight: 10 + }).on({ + 'mousemove': onRoute, + 'mouseout': outRoute, + }); + + layersControl.addBaseLayer(layer, JSON.stringify(maskList)); + } + + layer.addTo(map); + } + + const map = new L.Map('map'); + map.setView([0,6], 6.5); + + const eleBase = 500; + const eleFactor = 10; + + // show variants of missing elevation defined by masks + add(map, + [[4,5,0,4],[4,6,2,1]], + [[1,1,1,1],[1,1,1,1]], + [[1,1,1,1],[0,0,1,1]], + [[0,0,1,1],[1,1,1,1]], + [[1,1,1,1],[1,1,0,0]], + [[0,0,0,0],[0,0,0,0]] + ); +}()); diff --git a/example/index.html b/example/index.html index f1bdf8a..155e130 100755 --- a/example/index.html +++ b/example/index.html @@ -23,11 +23,12 @@ -
+
+ Missing
elevation
diff --git a/example/missing-elevation.html b/example/missing-elevation.html new file mode 100755 index 0000000..d7d5c22 --- /dev/null +++ b/example/missing-elevation.html @@ -0,0 +1,24 @@ + + + + + Height Graph Missing Elevation Example + + + + + + + + +
+ + + diff --git a/spec/L.Control.Heightgraph.Spec.js b/spec/L.Control.Heightgraph.Spec.js index 8b23219..c997eff 100755 --- a/spec/L.Control.Heightgraph.Spec.js +++ b/spec/L.Control.Heightgraph.Spec.js @@ -143,3 +143,80 @@ describe('L.Control.Heightgraph', () => { }); }); +describe('L.Control.Heightgraph', () => { + let hg; + + function ctx(element, attributeName) { + let s = element.tagName; + if (element.classList.length > 0) { + s += '.' + element.classList.value; + } + s += '[' + attributeName + ']'; + return s; + } + + beforeEach(() => { + const geoJson = [ + { + "type": "FeatureCollection", + "features": [ + { + "type": "Feature", + "geometry": { + "type": "LineString", + "coordinates": [ + [0, 0], + [1, 0], + [2, 0], + [3, 0] + ] + }, + "properties": { + "attributeType": "0" + } + }, + { + "type": "Feature", + "geometry": { + "type": "LineString", + "coordinates": [ + [3, 0], + [4, 0], + [5, 0], + [6, 0] + ] + }, + "properties": { + "attributeType": "0" + } + } + ], + "properties": { + "records": 1 + } + } + ]; + + hg = L.control.heightgraph(); + hg.onAdd(); + hg.addData(geoJson); + hg._background.style("pointer-events", "none"); + // uncomment to render on test page + //document.body.appendChild(hg._container); + }); + + it('handles missing elevation values', () => { + // setting invalid SVG element attributes does not throw, it just logs an error (Chrome) to the console, + // but `spyOn(console, 'error')` doesn't work, therefore test for invalid values in known attributes + const div = hg._container; + div.querySelectorAll('[d]').forEach(item => { + expect(item.getAttribute('d')).withContext(ctx(item, 'd')).not.toContain("NaN"); + }); + div.querySelectorAll('[y]').forEach(item => { + expect(item.getAttribute('y')).withContext(ctx(item, 'y')).not.toBe("NaN"); + }); + div.querySelectorAll('[transform]').forEach(item => { + expect(item.getAttribute('transform')).withContext(ctx(item, 'transform')).not.toContain("undefined"); + }); + }); +}); diff --git a/src/L.Control.Heightgraph.js b/src/L.Control.Heightgraph.js index 8079096..c973b9e 100755 --- a/src/L.Control.Heightgraph.js +++ b/src/L.Control.Heightgraph.js @@ -445,8 +445,8 @@ import { * calculates minimum and maximum values for the elevation scale drawn with d3 */ _calculateElevationBounds() { - const max = d3Max(this._elevations) - const min = d3Min(this._elevations) + const max = d3Max(this._elevations) || 10 + const min = d3Min(this._elevations) || 0 const range = max - min this._elevationBounds = { min: range < 10 ? min - 10 : min - 0.1 * range, @@ -456,7 +456,7 @@ import { /** * Creates a marker on the map while hovering * @param {Object} ll: actual coordinates of the route - * @param {Number} height: height as float + * @param {*} height: height as float or undefined text * @param {string} type: type of element */ _showMapMarker(ll, height, type) { @@ -767,17 +767,32 @@ import { .attr('class', 'y axis') .call(this._yAxis); }, + /** + * Returns if the given data element is defined, in order to handle missing + * elevation values and show them as gap. Implements a d3 defined accessor + * that can be passed to area/line.defined. + * @param {*} d data element + * @return {boolean} true, if elevation value is defined, false otherwise + */ + _defined(d) { + return d && d.altitude !== undefined && d.altitude !== null; + }, /** * Appends the areas to the graph */ _appendAreas(block, idx, eleIdx) { const c = this._categories[idx].attributes[eleIdx].color const self = this - const area = this._area = d3Area().x(d => { - const xDiagonalCoordinate = self._x(d.position) - d.xDiagonalCoordinate = xDiagonalCoordinate - return xDiagonalCoordinate - }).y0(this._svgHeight).y1(d => self._y(d.altitude)).curve(curveLinear) + const area = this._area = d3Area() + .x(d => { + const xDiagonalCoordinate = self._x(d.position) + d.xDiagonalCoordinate = xDiagonalCoordinate + return xDiagonalCoordinate + }) + .y0(this._svgHeight) + .y1(d => self._y(d.altitude)) + .curve(curveLinear) + .defined(this._defined) this._areapath = this._svg.append("path") .attr("class", "area"); this._areapath.datum(block) @@ -1004,6 +1019,7 @@ import { return y(d.altitude) }) .curve(curveBasis) + .defined(this._defined) this._svg.append("svg:path") .attr("d", borderTopLine(data)) .attr('class', 'border-top'); @@ -1077,7 +1093,7 @@ import { */ _internalMousemoveHandler(item, showMapMarker = true) { let areaLength - const alt = item.altitude, dist = item.position, + const alt = this._defined(item) ? item.altitude : '-', dist = item.position, ll = item.latlng, areaIdx = item.areaIdx, type = item.type const boxWidth = this._dynamicBoxSize(".focusbox text")[1] + 10 if (areaIdx === 0) {