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docs: Update chart examples and sensors documentation for chart_metadata integration

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Julian Pawlowski 2025-12-05 21:44:46 +00:00
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18
docs/user/chart-examples.md
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@ -152,7 +152,7 @@ Based on **absolute price ranges** (calculated from daily min/max):
## Dynamic Y-Axis Scaling
Rolling window modes (3 & 4) automatically integrate with the `chart_metadata` sensor for optimal visualization:
Rolling window modes (2 & 3) automatically integrate with the `chart_metadata` sensor for optimal visualization:
**Without chart_metadata sensor (disabled):**
```
@ -175,18 +175,12 @@ Rolling window modes (3 & 4) automatically integrate with the `chart_metadata` s
18 28 ct ← Optimal range
```
**How to enable:**
**Requirements:**
1. Enable `sensor.tibber_home_chart_metadata` in entity settings
2. Add configuration to `configuration.yaml`:
```yaml
tibber_prices:
chart_metadata_config:
day: rolling_window
minor_currency: true
```
3. Restart Home Assistant
4. Rolling window charts automatically use dynamic scaling!
- ✅ The `sensor.tibber_home_chart_metadata` must be **enabled** (it's enabled by default!)
- ✅ That's it! The generated YAML automatically uses the sensor for dynamic scaling
**Important:** Do NOT disable the `chart_metadata` sensor if you want optimal Y-axis scaling in rolling window modes!
**Note:** Fixed day views (`today`, `tomorrow`) use ApexCharts' built-in auto-scaling and don't require the metadata sensor.

39
docs/user/sensors.md
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@ -34,16 +34,14 @@ Coming soon...
### Chart Metadata
**Entity ID:** `sensor.tibber_home_NAME_chart_metadata`
**Default State:** Disabled (must be manually enabled)
> **✨ New Feature**: This sensor provides dynamic chart configuration metadata for optimal visualization. Perfect for use with ApexCharts cards!
> **✨ New Feature**: This sensor provides dynamic chart configuration metadata for optimal visualization. Perfect for use with the `get_apexcharts_yaml` action!
This diagnostic sensor provides essential chart configuration values as sensor attributes, enabling dynamic Y-axis scaling and optimal chart appearance without manual calculations.
This diagnostic sensor provides essential chart configuration values as sensor attributes, enabling dynamic Y-axis scaling and optimal chart appearance in rolling window modes.
**Key Features:**
- **Dynamic Y-Axis Bounds**: Automatically calculates optimal `yaxis_min` and `yaxis_max` for your price data
- **Configurable via configuration.yaml**: Set parameters like `day`, `minor_currency`, `resolution` under `tibber_prices.chart_metadata_config`
- **Automatic Updates**: Refreshes when price data changes (coordinator updates)
- **Lightweight**: Metadata-only mode (no data processing) for fast response
- **State Indicator**: Shows `pending` (initialization), `ready` (data available), or `error` (service call failed)
@ -57,38 +55,11 @@ This diagnostic sensor provides essential chart configuration values as sensor a
- **`resolution`**: Interval duration in minutes (usually 15)
- **`error`**: Error message if service call failed
**Configuration:**
**Usage:**
Add to your `configuration.yaml`:
The `tibber_prices.get_apexcharts_yaml` action **automatically uses this sensor** for dynamic Y-axis scaling in `rolling_window` and `rolling_window_autozoom` modes! No manual configuration needed - just enable the action's result with `config-template-card` and the sensor provides optimal Y-axis bounds automatically.
```yaml
tibber_prices:
chart_metadata_config:
day: today # Options: yesterday, today, tomorrow, rolling_window
minor_currency: true # Use cents/øre instead of EUR/NOK
resolution: quarter_hourly # Default: quarter_hourly
```
**Usage with config-template-card:**
The sensor works seamlessly with `config-template-card` to create dynamic ApexCharts configurations:
```yaml
type: custom:config-template-card
entities:
- sensor.tibber_home_chart_metadata
card:
type: custom:apexcharts-card
apex_config:
yaxis:
min: ${states['sensor.tibber_home_chart_metadata'].attributes.yaxis_min}
max: ${states['sensor.tibber_home_chart_metadata'].attributes.yaxis_max}
# ... rest of your chart config
```
**Integration with get_apexcharts_yaml Service:**
The `tibber_prices.get_apexcharts_yaml` service **automatically uses this sensor** for dynamic Y-axis scaling in `rolling_window` and `rolling_window_autozoom` modes! See the [Actions Guide](actions.md) for details.
See the **[Chart Examples Guide](chart-examples.md)** for practical examples!
---