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lab_scatter
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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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Hope 2025-06-28 22:52:50 -04:00
parent 351b7d665e
commit 9836b40408
1 changed files with 25 additions and 0 deletions
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scatterplot.py
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@ -35,9 +35,34 @@ def draw_scatterplot(data, size=5, color="black"):
def draw_axes(data):
"Draws the scatter plot's axes."
draw_x_axis()
x_values = get_x_values(data)
xmin, xmax = bounds(x_values)
ticks = get_tick_values(xmin, xmax)
for tick in ticks:
screen_x_position = scale(tick, xmin, xmax, 0, constants.PLOT_WIDTH)
draw_x_tick(screen_x_position, tick)
draw_y_axis()
y_values = get_y_values(data)
ymin, ymax = bounds(y_values)
ticks = get_tick_values(ymin, ymax)
for tick in ticks:
screen_y_position = scale(tick, ymin, ymax, 0, constants.PLOT_WIDTH)
draw_y_tick(screen_y_position, tick)
def draw_points(data, color, size):
"Draws the scatter plot's points."
xmin, xmax = bounds(get_x_values(data))
ymin, ymax = bounds(get_y_values(data))
for point in data:
x = point[0]
y = point[1]
x_scaled = scale(x, xmin, xmax, ymin, ymax)
y_scaled = scale(y, xmin, xmax, ymin, ymax)
draw_point(x_scaled, y_scaled, color, size)
with no_delay():
data = generate_data(50, 10, 500, 5, 400, 1000)