Added plot of seismic events count with date picker feature in the settings

2026-08-10 15:02:37 +00:00
parent 182495e11a
commit abb2c2ba5c
3 changed files with 232 additions and 1 deletions
@@ -0,0 +1,155 @@
+import VdapApi from '../../hooks/useVdapApi.js';
+import { useMemo } from 'react';
+import Plot from 'react-plotly.js';
+import {Box, Flex, Spinner, Text} from "@chakra-ui/react";
+
+export default function SeismicEvents({ settings, widgetID}) {
+  const url = useMemo(() =>{
+    if (settings?.startDate && settings?.endDate)
+      return '/api/v2/seismic_events?start_date=' + settings?.startDate + '&end_date=' + settings?.endDate;
+    else {
+      const base_url = '/api/v2/seismic_events';
+      let today = new Date();
+      let sevenDaysAgo = new Date(today);
+      sevenDaysAgo.setDate(sevenDaysAgo.getDate() - 7);
+
+      sevenDaysAgo = sevenDaysAgo.toLocaleDateString('en-CA');
+      today = today.toLocaleDateString('en-CA');
+
+      return base_url + '?start_date=' + sevenDaysAgo + '&end_date=' + today;
+    }
+  }, [settings?.startDate, settings?.endDate]);
+
+  console.log(url);
+  const { data: apiData, isLoading, error } = VdapApi(url);
+
+  const plotTraces = useMemo(() => {
+    if (!apiData || apiData.length === 0) return [];
+
+    // Array of distinct Plotly shapes
+    const Symbolway = [
+      'circle', 'square', 'diamond',
+      'triangle-up', 'triangle-down',
+      'star', 'hexagram', 'pentagon',
+      'hexagon', 'octagon', 'cross', 'x'
+    ];
+
+    // Sort data descending by seismic events count so smaller dots draw on top of larger ones
+    const sortedData = [...apiData].sort((a, b) => b.number_events - a.number_events);
+
+    // Efficiently group into Plotly traces by volcano
+    const groupedData = sortedData.reduce((acc, curr) => {
+      const name = curr.volcano_name || 'Unknown';
+      if (!acc[name]) acc[name] = { x: [], y: [] };
+
+      // Map the seismic-specific keys
+      acc[name].x.push(new Date(curr.ts_epoch));
+      acc[name].y.push(curr.number_events);
+      return acc;
+    }, {});
+
+    return Object.keys(groupedData).map((volcanoName, index) => ({
+      name: volcanoName,
+      x: groupedData[volcanoName].x,
+      y: groupedData[volcanoName].y,
+      type: 'scatter',
+      mode: 'markers',
+      marker: {
+        size: 7,
+        line: { width: .5, color: 'rgba(255, 255, 255, 0.7)' },
+        symbol: Symbolway[index % Symbolway.length],
+      },
+      // Replicating the clean D3/Observable tooltip
+      hovertemplate:
+        `<b>${volcanoName}</b><br>` +
+        'Date (UTC): %{x|%b %d %Y %H:%M}<br>' +
+        'Number of Seismic Events: %{y}<extra></extra>'
+    }));
+  }, [apiData]);
+
+  const layout = useMemo(() => {
+
+    return {
+      autosize: true,
+      paper_bgcolor: 'transparent', // Let Chakra UI background show through
+      plot_bgcolor: 'transparent',
+      font: { color: '#d1d5db' }, // gray.300
+      margin: { t: 40, r: 20, l: 20, b: 20 },
+      // title: {
+      //     text: '',
+      //     font: { size: 16, color: 'white' },
+      //     x: 0.05
+      // },
+      xaxis: {
+        title: {
+          text: 'Date (UTC)',
+          font: { color: 'white', size: 12 }
+        },
+        type: 'date',
+        tickformat: '%b %d<br>%Y', // D3 requested %b %d \n %Y formatting
+        gridcolor: '#4b5563',
+        zerolinecolor: '#4b5563',
+        automargin: true,
+      },
+      yaxis: {
+        title: {
+          text: 'Seismic Count',
+          font: { color: 'white', size: 12 }
+        },
+        type: 'linear',
+        gridcolor: '#4b5563',
+        zerolinecolor: '#ffffff',
+        automargin: true,
+      },
+      // legend: {
+      //     orientation: 'h',
+      //     y: -0.2,
+      //     x: 0.5,
+      //     xanchor: 'center'
+      // },
+      hovermode: 'closest',
+      shapes: [
+        {
+          type: 'line',
+          x0: 0,
+          x1: 1,
+          xref: 'paper', // Spans entire chart width
+          y0: 0,
+          y1: 0,
+          yref: 'y',
+          line: { color: 'white', width: 1 }
+        }
+      ],
+    };
+  }, []);
+
+  if (isLoading) return (
+    <Flex w="100%" h="100%" bg="gray.800" borderRadius="md" align="center" justify="center">
+      <Spinner size="xl" color="blue.400" thickness="4px" />
+    </Flex>
+  );
+
+  if (error) return (
+    <Flex w="100%" h="100%" bg="gray.800" borderRadius="md" align="center" justify="center" p={4}>
+      <Text color="red.400">{error}</Text>
+    </Flex>
+  );
+
+  if (plotTraces.length === 0) return (
+    <Flex height="100%" width="100%" align="center" justify="center" bg="gray.800" borderRadius="md">
+      <Text color="gray.400">No data available for current filter.</Text>
+    </Flex>
+  );
+
+  return (
+    <Box height="100%" width="100%" bg="transparent" borderRadius="md" p={2} overflow="hidden">
+      <Plot
+        data={plotTraces}
+        layout={layout}
+        useResizeHandler={true} // Essential for dashboard grid resizing!
+        style={{ width: '100%', height: '100%' }}
+        config={{ responsive: true, displayModeBar: true, displaylogo: false }}
+      />
+    </Box>
+  );
+}