generated from mwc/lab_scatter
I attempted to plot the points and I'm not sure
what I'm missing. The axes draw, but the points do not. When I tested the draw_points function without scaling, it does seam to iterate through the points.
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@ -35,9 +35,34 @@ def draw_scatterplot(data, size=5, color="black"):
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def draw_axes(data):
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"Draws the scatter plot's axes."
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draw_x_axis()
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x_values = get_x_values(data)
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xmin, xmax = bounds(x_values)
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ticks = get_tick_values(xmin, xmax)
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for tick in ticks:
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screen_x_position = scale(tick, xmin, xmax, 0, constants.PLOT_WIDTH)
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draw_x_tick(screen_x_position, tick)
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draw_y_axis()
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y_values = get_y_values(data)
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ymin, ymax = bounds(y_values)
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ticks = get_tick_values(ymin, ymax)
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for tick in ticks:
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screen_y_position = scale(tick, ymin, ymax, 0, constants.PLOT_WIDTH)
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draw_y_tick(screen_y_position, tick)
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def draw_points(data, color, size):
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"Draws the scatter plot's points."
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xmin, xmax = bounds(get_x_values(data))
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ymin, ymax = bounds(get_y_values(data))
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for point in data:
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x = point[0]
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y = point[1]
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x_scaled = scale(x, xmin, xmax, ymin, ymax)
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y_scaled = scale(y, xmin, xmax, ymin, ymax)
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draw_point(x_scaled, y_scaled, color, size)
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with no_delay():
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data = generate_data(50, 10, 500, 5, 400, 1000)
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