diff --git a/scatterplot.py b/scatterplot.py index 50f66fb..8a10ee5 100644 --- a/scatterplot.py +++ b/scatterplot.py @@ -3,6 +3,7 @@ # By MWC Contributors # Uses lots of helper functions in other modules to draw a scatter plot. +from sqlite3 import DatabaseError from turtle import * from superturtle.movement import no_delay import constants @@ -35,10 +36,36 @@ 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_HEIGHT) + draw_y_tick(screen_y_position, tick) + def draw_points(data, color, size): "Draws the scatter plot's points." + x_values = get_x_values(data) + y_values = get_y_values(data) + xmin, xmax = bounds(x_values) + ymin, ymax = bounds(y_values) + for point in data: + x = point[0] + y = point[1] + x_scaled = scale(x, xmin, xmax, 0, constants.PLOT_WIDTH) + y_scaled = scale(y, ymin, ymax, 0, constants.PLOT_HEIGHT) + draw_point(x_scaled, y_scaled, color, size) + with no_delay(): data = generate_data(50, 10, 500, 5, 400, 1000) draw_scatterplot(data, size=5, color="blue")