66 lines
985 B
Markdown
66 lines
985 B
Markdown
# BarChart
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_A data visualization element that represents numeric data through vertical bars. Each bar's height corresponds to its value, making it ideal for comparing quantities across categories or showing data changes over time. Supports multiple data series with customizable colors and styles._
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Extends: `Graph`
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## Usage
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```lua run
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-- Create a bar chart
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```
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```lua run
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local chart = main:addBarChart()
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```
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```lua run
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```
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```lua run
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-- Add two data series with different colors
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```
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```lua run
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chart:addSeries("input", " ", colors.green, colors.green, 5)
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```
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```lua run
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chart:addSeries("output", " ", colors.red, colors.red, 5)
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```
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```lua run
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```
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```lua run
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-- Continuously update the chart with random data
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```
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```lua run
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basalt.schedule(function()
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```
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```lua run
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while true do
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```
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```lua run
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chart:addPoint("input", math.random(1,100))
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```
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```lua run
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chart:addPoint("output", math.random(1,100))
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```
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```lua run
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sleep(2)
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```
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```lua run
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end
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```
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```lua run
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end)
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```
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