Format String Demo

This example demonstrates matplotlib-style format strings for quick and intuitive plot styling.

Files

• format_string_demo.f90 - Source code
• format_string_demo.png/pdf/txt - Various format string examples

Running

make example ARGS="format_string_demo"

Features Demonstrated

• Color shortcuts: Single letter color codes
• Line style codes: Solid, dashed, dotted
• Marker codes: Combined with line styles
• Compact notation: Full styling in one string

Format String Syntax

Format: [color][marker][linestyle]

Colors

• b - blue
• r - red
• g - green
• k - black
• m - magenta
• c - cyan
• y - yellow

Line Styles

• - - solid line
• -- - dashed line
• : - dotted line
• -. - dash-dot line

Markers

• o - circle
• s - square
• ^ - triangle
• * - star

Examples

• 'r-' - Red solid line
• 'bo' - Blue circles (no line)
• 'g--' - Green dashed line
• 'k:o' - Black dotted line with circles

Output Example