Revize ae8c1b88

Re #8409 - Prozkoumat možnosti interakce s grafy v knihovně Vega

src/vega-analyze/interrupted-analyze/final-pointchart.json

@@ -4 +4 @@
   "height": 200,
   "padding": 5,
 
+  "signals": [
+    { "name": "shape", "value": "circle",
+      "bind": {"input": "select", "options": [
+        "arrow", "circle", "square", "cross", "diamond", "triangle",
+        "triangle-up", "triangle-down", "triangle-right", "triangle-left",
+        "wedge", "stroke",
+        "M-1,-1H1V1H-1Z",
+        "M0,.5L.6,.8L.5,.1L1,-.3L.3,-.4L0,-1L-.3,-.4L-1,-.3L-.5,.1L-.6,.8L0,.5Z"
+      ]
+      }
+    }
+  ],
+
   "data": [
     {
       "name": "table",
-      "url": "data.json",
+      "url": "data2.json",
       "transform": [
         {
           "type": "formula",
@@ -45 +58 @@
       "from": {"data":"table"},
       "encode": {
         "enter": {
-          "shape": {"value": "circle"},
           "size": {"value": 10},
           "x": {"scale": "xscale", "field": "dateTime"},
           "y": {"scale": "yscale", "field": "sensors[0].value"},
           "color": {"value": "both"},
           "strokeWidth": {"value": 1}
+        },
+        "update": {
+          "shape": {"signal": "shape"}
         }
       }
     }