From 436914097fe1eb68183ad55594a168df938f133c Mon Sep 17 00:00:00 2001
From: rpwagner <rick@ucsd.edu>
Date: Fri, 27 Sep 2024 13:15:17 -0700
Subject: [PATCH 1/2] basic csv plot for public data

---
 chart.md | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 chart.md

diff --git a/chart.md b/chart.md
new file mode 100644
index 0000000..388a763
--- /dev/null
+++ b/chart.md
@@ -0,0 +1,64 @@
+---
+title: "CSV chart"
+author: "Cheap and Fair team"
+description: "Demo data repository"
+date_created: "2024-09-26"
+---
+
+
+<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.4/dist/chart.umd.min.js"></script>
+
+<canvas id="chart"></canvas>
+
+<script type="text/javascript">
+      const queryString = window.location.search;
+      console.log(queryString);
+      const searchParams = new URLSearchParams(queryString);
+      csv_url = searchParams.get("csv");
+      console.log(csv_url);
+      
+      CHART =  document.getElementById('chart');
+      var request = new XMLHttpRequest();
+      request.onreadystatechange = function() {
+	  if (this.readyState == 4 && this.status == 200) {
+	      const csv = request.responseText;
+	      var lines = csv.split("\n");
+	      var column_labels = lines[0].split(",");
+	      console.log(column_labels);
+	      var csv_data_rows = {};
+
+	      for(var i = 0; i < column_labels.length; i++){
+		  csv_data_rows[column_labels[i]] = [];
+	      };
+
+	      for(var i = 1; i < lines.length; i++){
+		  var currentline = lines[i].split(",");
+		  for(var j=0; j < column_labels.length; j++){
+		      csv_data_rows[[column_labels[j]]].push(Number(currentline[j]));
+		  }
+	      }
+	      
+	      const cfg = {
+		  type: 'line',
+		  data: {
+		      labels: csv_data_rows[column_labels[0]],
+		      datasets: [{
+			  label: column_labels[1],
+			  data: csv_data_rows[column_labels[1]]
+		      }]
+		  },
+		  options: {
+		      scales: {
+			  yAxis: {
+			      type: 'logarithmic',
+			  }
+		      }
+		  }
+	      }
+	      
+	      new Chart(CHART, cfg);
+	  }
+      };
+      request.open("GET", csv_url, true);
+      request.send();
+</script>

From f6bf0cbaba161741bdbd51e27b43d723d7db57df Mon Sep 17 00:00:00 2001
From: rpwagner <rick@ucsd.edu>
Date: Sat, 28 Sep 2024 12:19:51 -0700
Subject: [PATCH 2/2] fixed double y axis

---
 chart.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/chart.md b/chart.md
index 388a763..f354d1a 100644
--- a/chart.md
+++ b/chart.md
@@ -49,7 +49,8 @@ date_created: "2024-09-26"
 		  },
 		  options: {
 		      scales: {
-			  yAxis: {
+			  y: {
+			     display: true,
 			      type: 'logarithmic',
 			  }
 		      }