Because in the code the line graph when there is no data the line goes down
to zero, instead of following the trend of the previous values?
<script type="text/javascript"
src="https://www.gstatic.com/charts/loader.js";></script>
<script type="text/javascript"
src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
var value;
google.charts.load('current', { packages: ['table', 'corechart'] });
google.charts.setOnLoadCallback(function () { drawtable('') });
google.charts.setOnLoadCallback(function () { drawChart('') });
$(document).ready(function () {
value = $("#animal").val();
if (value != undefined) {
drawtable(value);
}
$("#animal").change(function () {
value = $(this).val();
drawtable(value);
});
});
var url = '/Programa_Nutricao/Principal/EvolucaoTemperatura/' + codigo;
$.get(url, {},
function (data) {
var tdata = new google.visualization.DataTable();
tdata.addColumn('date', 'data_atividade');
tdata.addColumn('number', 'Temp. Corporal');
tdata.addColumn('number', 'Temp. Retal');
for (var i = 0; i < data.length; i++) {
if (data[i].data_atividade != null)
tdata.addRow([ToJavaScriptDate(data[i].data_atividade),
parseFloat(data[i].temperaturaCorporal),
parseFloat(data[i].temperaturaRetal)]);
}
var options = {
width: 700,
height: 500,
vAxis: { title: "Temperatura ºC", minValue: '30',
maxValue: '45' },
hAxis: { title: "DATA", textStyle: { fontSize: 10 } },
legend: { position: 'bottom' },
curveType: 'function',
interpolateNulls: true
};
var chart = new
google.visualization.LineChart(document.getElementById('EvolucaoTemperatura'));
chart.draw(tdata, options);
});
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