Update documentation

Author: amotl

doc/backlog.md

@@ -11,15 +11,29 @@
   again if previously empty. Improve that.
 - Propagate errors from InfluxDB like "GROUP BY requires at least one aggregate function"
   when having "GROUP BY time ($__interval)" in query.
+- Display "Ignore empty geohash values" conditionally
+- Improve security for "Use request parameters prefixed with `panel-` to optionally override the 
+  respective panel control options." @ec37a628 by adding an appropriate enable/disable control option.
+- Check if `panel-` request variables are getting interpolated. They shouldn't.
+- Add indicators about obligatory form fields in editor view, depending on selected options.
+- Use drilldown / detail linking like outlined at https://grafana.com/docs/features/panels/graph/#drilldown-detail-link
+- Check if escape key disabling can be outsourced to a HTML panel
+  https://grafana.com/docs/installation/configuration/#disable-sanitize-html
+- The contrast of the text on the red tooltip drop isn't that great. Maybe use black or white, at least for the light theme.
+- Does data autofitting work when changing dashboard variables?
 
 ## Documentation
+- Note about installation
+  grafana-cli --pluginUrl https://github.com/hiveeyes/grafana-worldmap-panel/archive/0.3.0-dev4.zip plugins install grafana-worldmap-panel
 - Add documentation about table+json and table+jsonp
 - https://community.grafana.com/t/influxdb-and-grafana-plugin-worldmap-panel/16761
 - Add note about variable interpolation to user interface
 - Document the Makefile and how to run this in a sandbox
+- https://community.grafana.com/t/world-map-panel/16871
 
 ## Prio 2
-- Add variable interpolation like `$point_station_id` also to other data sources != "table"
+- Sliders for things like circle parameters.
+- Add variable interpolation like `$__field_station_id` also to other data sources != "table"
 - Think about introducing a panel-wide "Ignore decoding errors" control option 
   in order to compensate for anything in decoding machinery of the 
   `DataFormatter.setXXXValues` methods from where the shit might hit the fan.
@@ -65,6 +79,11 @@
   - Optionally open link in new or named window
   - Convenience checkbox "Add complete dataPoint as query parameters"
 - Review: Currently, only "valueRounded is displayed"
+- When reintegrating TrackMap functionality, put layer style into control options
+  - OpenStreetMap
+  - OpenTopoMap
+  - Satellite
+  See also https://weather.hiveeyes.org/grafana/d/KdNMBfhiz/ratrack-tonke
 
 ## Prio 3
 - Something might still be fishy with circle sizes.
@@ -95,3 +114,11 @@
 - Completely proxy all accesses to self.panel through self.settings
 - Remove overloading of labelField for table+json location source
 - When switching from JSON to JSONP, the location list will not get cleared out.
+
+
+## Release
+```
+cd /srv/packages/organizations/hiveeyes/grafana/grafana-worldmap-panel
+wget https://github.com/hiveeyes/grafana-worldmap-panel/archive/0.3.0-dev4.zip
+grafana-cli --repo https://packages.hiveeyes.org/grafana/ plugins install grafana-worldmap-panel
+```

src/data_formatter.ts

@@ -288,6 +288,8 @@ export default class DataFormatter {
       let highestValue = 0;
       let lowestValue = Number.MAX_VALUE;
 
+      // Todo: Using hardcoded `tableData[0]` means
+      //  this will only use the first active query?
       tableData[0].forEach(datapoint => {
         let key;
         let longitude;