keep dom elements for lines if possible

pull/3/head
cTn 11 years ago
parent 13ce2dc11b
commit 1a2be85155

@ -129,7 +129,7 @@ function tab_initialize_receiver() {
}
});
var e_xGrid, e_xAxis, e_yAxis, lines = [];
var grids = [], axis = [], lines = [];
$('select[name="rx_refresh_rate"]').change(function() {
var plot_update_rate = parseInt($(this).val());
@ -162,69 +162,16 @@ function tab_initialize_receiver() {
var samples = 0;
$('svg').empty(); // dump previous layout
var margin = {top: 20, right: 20, bottom: 10, left: 40};
var width = 920 - margin.left - margin.right;
var height = 200 - margin.top - margin.bottom;
var svg = d3.select("svg");
// drop previous layout & required data
$('svg').empty();
lines = [];
var widthScale = d3.scale.linear()
.domain([0, 300])
.range([0, width]);
var heightScale = d3.scale.linear()
.domain([800, 2200])
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(widthScale)
.orient("bottom")
.tickFormat(function(d) {return d;});
var yAxis = d3.svg.axis()
.scale(heightScale)
.orient("left")
.tickFormat(function(d) {return d;});
var xGrid = d3.svg.axis()
.scale(widthScale)
.orient("bottom")
.tickSize(-height, 0, 0)
.tickFormat("");
var yGrid = d3.svg.axis()
.scale(heightScale)
.orient("left")
.tickSize(-width, 0, 0)
.tickFormat("");
// render xGrid
e_xGrid = svg.append("g")
.attr("class", "grid x")
.attr("transform", "translate(40, 180)")
.call(xGrid);
// render yGrid
svg.append("g")
.attr("class", "grid y")
.attr("transform", "translate(40, 10)")
.call(yGrid);
// render xAxis
e_xAxis = svg.append("g")
.attr("class", "axis x")
.attr("transform", "translate(40, 180)")
.call(xAxis);
// render yAxis
e_yAxis = svg.append("g")
.attr("class", "axis y")
.attr("transform", "translate(40, 10)")
.call(yAxis);
var svg_data = svg.append("g").attr("name", "data")
var svg = d3.select("svg");
svg_data = svg.append("g").attr("name", "data")
.attr("transform", "translate(41, 10)");
function update_ui() {
@ -279,88 +226,118 @@ function tab_initialize_receiver() {
.domain([(samples - 299), samples])
.range([0, width]);
var heightScale = d3.scale.linear()
.domain([800, 2200])
.range([height, 0]);
var xGrid = d3.svg.axis()
.scale(widthScale)
.orient("bottom")
.tickSize(-height, 0, 0)
.tickFormat("");
var yGrid = d3.svg.axis()
.scale(heightScale)
.orient("left")
.tickSize(-width, 0, 0)
.tickFormat("");
var xAxis = d3.svg.axis()
.scale(widthScale)
.orient("bottom")
.tickFormat(function(d) {return d;});
var yAxis = d3.svg.axis()
.scale(heightScale)
.orient("left")
.tickFormat(function(d) {return d;});
var line = d3.svg.line()
.x(function(d) {return widthScale(d[0]);})
.y(function(d) {return heightScale(d[1]);});
// dump previous data
for (var i = 0; i < grids.length; i++) {
grids[i].remove();
}
grids = [];
for (var i = 0; i < axis.length; i++) {
axis[i].remove();
}
axis = [];
// render xGrid
e_xGrid.remove();
e_xGrid = svg.append("g")
grids[0] = svg.append("g")
.attr("class", "grid x")
.attr("transform", "translate(40, 180)")
.call(xGrid);
// render yGrid
grids[1] = svg.append("g")
.attr("class", "grid y")
.attr("transform", "translate(40, 10)")
.call(yGrid);
// render xAxis
e_xAxis.remove();
e_xAxis = svg.append("g")
axis[0] = svg.append("g")
.attr("class", "axis x")
.attr("transform", "translate(40, 180)")
.call(xAxis);
// render yAxis
e_yAxis.remove();
e_yAxis = svg.append("g")
axis[1] = svg.append("g")
.attr("class", "axis y")
.attr("transform", "translate(40, 10)")
.call(yAxis);
// dump previous lines
for (var i = 0; i < lines.length; i++) {
lines[i].remove();
if (!svg_data.select('path').empty()) {
// update lines
for (var i = 0; i < 8; i++) {
lines[i].attr("d", line(RX_plot_data[i]));
}
} else {
// render lines
lines[0] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[0]))
.style({'stroke': '#00A8F0'});
lines[1] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[1]))
.style({'stroke': '#C0D800'});
lines[2] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[2]))
.style({'stroke': '#CB4B4B'});
lines[3] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[3]))
.style({'stroke': '#4DA74D'});
lines[4] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[4]))
.style({'stroke': '#9440ED'});
lines[5] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[5]))
.style({'stroke': '#45147a'});
lines[6] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[6]))
.style({'stroke': '#cf7a26'});
lines[7] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[7]))
.style({'stroke': '#147a66'});
}
lines = [];
lines[0] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[0]))
.style({'stroke': '#00A8F0'});
lines[1] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[1]))
.style({'stroke': '#C0D800'});
lines[2] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[2]))
.style({'stroke': '#CB4B4B'});
lines[3] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[3]))
.style({'stroke': '#4DA74D'});
lines[4] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[4]))
.style({'stroke': '#9440ED'});
lines[5] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[5]))
.style({'stroke': '#45147a'});
lines[6] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[6]))
.style({'stroke': '#cf7a26'});
lines[7] = svg_data.append("path")
.attr("class", "line")
.attr("d", line(RX_plot_data[7]))
.style({'stroke': '#147a66'});
// increment samples counter
samples++;
}

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