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Documentation Index

Fetch the complete documentation index at: https://docs.evidence.studio/llms.txt

Use this file to discover all available pages before exploring further.

Basic Usage 
{% heatmap
    data="demo.daily_orders"
    x="date"
    x_date_grain="year"
    y="category"
    value="sum(total_sales)"
/%}

​
Examples

​
Basic Usage

Basic Usage 
{% heatmap
    data="demo.daily_orders"
    x="date"
    x_date_grain="year"
    y="category"
    value="sum(total_sales)"
/%}

​
With Custom Colors

With Custom Colors 
{% heatmap
    data="demo.daily_orders"
    x="date"
    x_date_grain="year"
    y="category"
    value="sum(total_sales)"
    title="Sales Intensity by Year and Category"
    chart_options={
        color_palette = ["#f7fafc", "#e2e8f0", "#cbd5e0", "#a0aec0", "#718096", "#4a5568", "#2d3748"]
    }
/%}

​
Attributes

​
data
string
required
Name of the table to query
​
filters
array
IDs of filters to apply to the query
​
date_range
options group
Use date_range to filter data for specific time periods. Accepts predefined ranges (e.g., “last 12 months”), dynamic ranges (e.g., “Last 90 days”), custom date ranges (e.g., “2020-01-01 to 2023-03-01”), or partial ranges (e.g., “from 2020-01-01”, “until 2023-03-01”)Example:
date_range={
  range = "today"
  date = "string"
}
Attributes:
  • range: string - Time period to filter. Use presets like ‘last 7 days’, dynamic patterns like ‘Last 90 days’, custom ranges like ‘2020-01-01 to 2023-03-01’, or partial ranges like ‘from 2020-01-01’.
    • Allowed values:
      • today
      • yesterday
      • last 7 days
      • last 30 days
      • last 3 months
      • last 6 months
      • last 12 months
      • previous week
      • previous month
      • previous quarter
      • previous year
      • this week
      • this month
      • this quarter
      • this year
      • next week
      • next month
      • next quarter
      • next year
      • week to date
      • month to date
      • quarter to date
      • year to date
      • all time
  • date: string - Date column to filter on. Required when the data has multiple date columns.
​
x_date_grain
string
Bucket dates into a grain. Pass the raw date column as x and the chart truncates and groups for you. Temporal grains (day, week, month, quarter, year, hour) preserve the year — use for time-series. Seasonality grains (day of week, day of month, day of year, week of year, month of year, quarter of year) collapse across years — use for cyclical patterns like “which month sells most regardless of year”.Allowed values:
  • day
  • week
  • month
  • quarter
  • year
  • hour
  • day of week
  • day of month
  • day of year
  • week of year
  • month of year
  • quarter of year
​
y_date_grain
string
Bucket dates into a grain. Pass the raw date column as x and the chart truncates and groups for you. Temporal grains (day, week, month, quarter, year, hour) preserve the year — use for time-series. Seasonality grains (day of week, day of month, day of year, week of year, month of year, quarter of year) collapse across years — use for cyclical patterns like “which month sells most regardless of year”.Allowed values:
  • day
  • week
  • month
  • quarter
  • year
  • hour
  • day of week
  • day of month
  • day of year
  • week of year
  • month of year
  • quarter of year
​
x
string
required
Column name for x-axis categories
​
y
string
required
Column name for y-axis categories
​
x_axis_title
string
Title to display for the x-axis
​
y_axis_title
string
Title to display for the y-axis
​
value
string
required
Column name for cell values
​
title
string
Title to display above the chart
​
subtitle
string
Subtitle to display below the title
​
info
string
Info text to display in a tooltip next to the title. Can only be used with the title prop.
​
info_link
string
URL to link the info text to (can only be used with info)
​
info_link_title
string
Create a custom link title for the info link, placed after the info text (can only be used with info_link)
​
value_fmt
string
default:"num"
Format for values. See Value Formatting for available formats.
​
x_fmt
string
Format for x axis labels. See Value Formatting for available formats.
​
y_fmt
string
Format for y axis labels. See Value Formatting for available formats.
​
x_sort
string
Sort order for x axis categories (asc or desc)Allowed values:
  • asc
  • desc
​
y_sort
string
Sort order for y axis categories (asc or desc)Allowed values:
  • asc
  • desc
​
value_sort
string
Sort categories by total value (asc or desc). Applies to the first axis without explicit sort.Allowed values:
  • asc
  • desc
​
legend
boolean
default:"true"
Show color scale legend
​
borders
boolean
default:"true"
Show borders around heatmap cells
​
chart_options
options group
Chart configuration optionsExample:
chart_options={
  color_palette = ["value1", "value2"]
}
Attributes:
  • color_palette: array of strings
​
refresh_interval
number
Time in seconds between automatic data refreshes (minimum 60). Overrides the page-level auto-refresh setting for this component.
​
where
string
Custom SQL WHERE condition to apply to the query. For date filters, use date_range instead.
​
having
string
Custom SQL HAVING condition to apply to the query after GROUP BY
​
limit
number
Maximum number of rows to return from the query. Note: When used with tables, limit will disable subtotals to prevent incomplete subtotal rows.
​
order
string
Column name(s) with optional direction (e.g. “column_name”, “column_name desc”)
​
qualify
string
Custom SQL QUALIFY condition to filter windowed results
​
width
number
Set the width of this component (in percent) relative to the page width
​
height
number
Set a fixed height for the chart in pixels