2023-11-24 Concentric Circles

Description

Plot circles in a 2D grid where each row contains a donut of a single color and each column contains a circle enclosed in the donut of a single color. The result is a grid containing the unique combination of every color pair.

Images

Plotter Preview

Code

from gcode2dplotterart import Plotter2D

LINE_WIDTH = 1.0

COLORS = [
    {"title": "1_red1", "color": "#FF4141"},
    {"title": "2_orange1", "color": "#FF7700"},
    {"title": "3_yellow1", "color": "#FFDB11"},
    {"title": "4_green1", "color": "#A9FF00"},
    {"title": "5_green2", "color": "#00E350"},
    {"title": "6_blue1", "color": "#A2FFF8"},
    {"title": "7_blue2", "color": "#0024FF"},
    {"title": "8_blue3", "color": "#5D9DB4"},
    {"title": "9_pink1", "color": "#FF91D2"},
    {"title": "a_pink2", "color": "#FF0096"},
    {"title": "b_purple1", "color": "#EABEFF"},
    {"title": "c_purple2", "color": "#AD00FF"},
    {"title": "d_grey1", "color": "#E9E9E9"},
    {"title": "e_grey2", "color": "#B1B1B1"},
    {"title": "f_grey3", "color": "#1E1E1E"},
]

# Create a plotter object
plotter = Plotter2D(
    title="Circles",
    x_min=0,
    x_max=290,
    y_min=0,
    y_max=210,
    feed_rate=10000,
)

for color in COLORS:
    for ground in ["foreground", "background"]:
        plotter.add_layer(
            title=f"{ground}_{color['title']}",
            color=color["color"],
            line_width=LINE_WIDTH,
        )

PLOTTER_CONSTRAINT = min(plotter.width, plotter.height)

bounding_box = PLOTTER_CONSTRAINT / len(COLORS)
radius = (bounding_box / 2) - 2  # Add a little padding

INNER_CIRCLE_RADIUS = radius * 0.5

print

for foreground_index in range(len(COLORS)):
    for background_index in range(len(COLORS)):
        # Experimenting below with adding fill.

        # offset centers so they're not on edge of plotter
        foreground_offset = foreground_index + 0.5
        background_offset = background_index + 0.5

        remaining_radius = radius
        print(remaining_radius)
        while remaining_radius > INNER_CIRCLE_RADIUS:
            plotter.layers[
                "background_" + COLORS[background_index]["title"]
            ].add_circle(
                x_center=bounding_box * foreground_offset,
                y_center=bounding_box * background_offset,
                radius=remaining_radius,
            )
            remaining_radius -= LINE_WIDTH

        while remaining_radius > 0:
            layer = (
                "foreground_" + COLORS[foreground_index]["title"]
                if foreground_index != background_index
                else "background_" + COLORS[background_index]["title"]
            )
            plotter.layers[layer].add_circle(
                x_center=bounding_box * foreground_offset,
                y_center=bounding_box * background_offset,
                radius=remaining_radius,
            )
            remaining_radius -= LINE_WIDTH
        print(remaining_radius)

plotter.preview()

plotter.save(include_layer_number=False)