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generate_readme_diagrams.py
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generate_readme_diagrams.py
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# generates plots for README.md documentation
import centerline_width
import matplotlib.pyplot as plt
from scipy.spatial import voronoi_plot_2d
import networkx as nx
if __name__ == "__main__":
centerline_width.kml_to_csv(left_kml="data/leftbank.kml",
right_kml="data/rightbank.kml",
flip_direction=True,
csv_output="data/river_coords.csv")
ro_5 = centerline_width.CenterlineWidth(csv_data="data/river_coords.csv",
cutoff=5)
ro_10 = centerline_width.CenterlineWidth(csv_data="data/river_coords.csv",
cutoff=10)
ro_15 = centerline_width.CenterlineWidth(csv_data="data/river_coords.csv",
cutoff=15)
ro_250 = centerline_width.CenterlineWidth(csv_data="data/river_coords.csv",
cutoff=250)
ro_550 = centerline_width.CenterlineWidth(csv_data="data/river_coords.csv",
cutoff=550)
ro_725 = centerline_width.CenterlineWidth(csv_data="data/river_coords.csv",
cutoff=725)
is_debug = False # set to False when generating, True when debugging to view all plots
################### Introduction and Quickstart ##########################################
river_object = centerline_width.CenterlineWidth(
csv_data="data/river_coords.csv")
river_object.plot_centerline(
plot_title="Centerline with Riverbanks",
save_plot="data/doc_examples/river_example.png",
show_plot=is_debug)
ro_550.plot_centerline(
save_plot="data/doc_examples/river_coords_centerline.png",
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width.png",
apply_smoothing=True,
remove_intersections=True,
display_true_centerline=False,
show_plot=is_debug)
ro_550.plot_centerline(
save_plot=
"data/doc_examples/river_relative_distance_coords_centerline.png",
coordinate_unit="Relative Distance",
show_plot=is_debug)
################### Centerline and Width ################################################
ro_550_interpolate_centerline_75 = centerline_width.CenterlineWidth(
csv_data="data/river_coords.csv",
cutoff=550,
interpolate_n_centerpoints=75)
ro_550_interpolate_centerline_75.plot_centerline(
save_plot="data/doc_examples/interpolate_n_centerpoints_75.png",
centerline_type="Evenly Spaced",
centerline_color="fuchsia",
marker_type="scatter",
show_plot=is_debug)
ro_550_interpolate_centerline_200 = centerline_width.CenterlineWidth(
csv_data="data/river_coords.csv",
cutoff=550,
interpolate_n_centerpoints=200)
ro_550_interpolate_centerline_200.plot_centerline(
save_plot="data/doc_examples/interpolate_n_centerpoints_200.png",
centerline_type="Evenly Spaced",
centerline_color="fuchsia",
marker_type="scatter",
show_plot=is_debug)
################### Types of Centerlines ################################################
ro_550.plot_centerline(
save_plot="data/doc_examples/voronoi_centerline.png",
centerline_type="Voronoi",
centerline_color="black",
marker_type="scatter",
plot_title="Centerline Formed by Voronoi Diagram",
show_plot=is_debug)
ro_550.plot_centerline(
save_plot="data/doc_examples/voronoi_centerline_relative.png",
centerline_type="Voronoi",
centerline_color="black",
marker_type="scatter",
coordinate_unit="Relative Distance",
plot_title=
"Centerline Formed by Voronoi Diagram with Relative Distance",
show_plot=is_debug)
ro_550.plot_centerline(
save_plot="data/doc_examples/equal_distance_centerline.png",
centerline_type="Equal Distance",
centerline_color="mediumorchid",
marker_type="scatter",
plot_title=
f"Centerline Formed by Points Equally Distanced Apart Every {ro_550.equal_distance} Meters",
show_plot=is_debug)
ro_550.plot_centerline(
save_plot="data/doc_examples/equal_distance_centerline_relative.png",
centerline_type="Equal Distance",
centerline_color="mediumorchid",
marker_type="scatter",
coordinate_unit="Relative Distance",
plot_title=
f"Centerline Formed by Points Equally Distanced Apart Every {ro_550.equal_distance} Meters with Relative Distance",
show_plot=is_debug)
ro_550_interpolate_centerline_200.plot_centerline(
save_plot="data/doc_examples/evenly_spaced_centerline.png",
centerline_type="Evenly Spaced",
centerline_color="fuchsia",
marker_type="scatter",
plot_title=
f"Centerline Formed by {ro_550_interpolate_centerline_200.interpolate_n_centerpoints} Evenly Spaced Centerline Points",
show_plot=is_debug)
ro_550_interpolate_centerline_200.plot_centerline(
save_plot="data/doc_examples/evenly_spaced_centerline_relative.png",
centerline_type="Evenly Spaced",
centerline_color="fuchsia",
marker_type="scatter",
coordinate_unit="Relative Distance",
plot_title=
f"Centerline Formed by {ro_550_interpolate_centerline_200.interpolate_n_centerpoints} Evenly Spaced Centerline Points with Relative Distance",
show_plot=is_debug)
ro_550_interpolate_centerline_200.plot_centerline(
save_plot="data/doc_examples/smoothed_centerline.png",
centerline_type="Smoothed",
centerline_color="blue",
marker_type="scatter",
plot_title=
f"Centerline Formed by {ro_550_interpolate_centerline_200.interpolate_n_centerpoints} Smoothed Centerline Coordinates",
show_plot=is_debug)
ro_550_interpolate_centerline_200.plot_centerline(
save_plot="data/doc_examples/smoothed_centerline_relative.png",
centerline_type="Smoothed",
centerline_color="blue",
marker_type="scatter",
coordinate_unit="Relative Distance",
plot_title=
f"Centerline Formed by {ro_550_interpolate_centerline_200.interpolate_n_centerpoints} Smoothed Centerline Coordinates with Relative Distance",
show_plot=is_debug)
################### Plot plot_centerline() #############################################
ro_550.plot_centerline(
centerline_type="Smoothed",
save_plot="data/doc_examples/river_centerline_type_smoothed.png",
show_plot=is_debug)
ro_550.plot_centerline(
marker_type="Scatter",
save_plot="data/doc_examples/river_marker_type_scatter.png",
show_plot=is_debug)
ro_550.plot_centerline(
centerline_color="palegreen",
save_plot="data/doc_examples/river_centerline_color.png",
show_plot=is_debug)
ro_550.plot_centerline(dark_mode=True,
save_plot="data/doc_examples/river_dark_mode.png",
show_plot=is_debug)
ro_15.plot_centerline(
equal_axis=False,
save_plot="data/doc_examples/river_equal_axis_false.png",
show_plot=is_debug)
ro_15.plot_centerline(
equal_axis=True,
save_plot="data/doc_examples/river_equal_axis_true.png",
show_plot=is_debug)
ro_550.plot_centerline(
display_all_possible_paths=True,
save_plot="data/doc_examples/river_display_all_possible_paths_true.png",
show_plot=is_debug)
ro_15.plot_centerline(
display_voronoi=False,
save_plot="data/doc_examples/river_display_voronoi_false.png",
show_plot=is_debug)
ro_15.plot_centerline(
display_voronoi=True,
save_plot="data/doc_examples/river_display_voronoi_true.png",
show_plot=is_debug)
ro_550.plot_centerline(
coordinate_unit="Relative Distance",
save_plot="data/doc_examples/river_coordinate_unit_rd.png",
show_plot=is_debug)
################### Plot plot_centerline_width() ########################################
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_with_centerline.png",
display_true_centerline=True,
apply_smoothing=True,
remove_intersections=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_without_centerline.png",
display_true_centerline=False,
apply_smoothing=True,
remove_intersections=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width_without_smoothing.png",
display_true_centerline=True,
apply_smoothing=False,
remove_intersections=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width_with_smoothing.png",
display_true_centerline=False,
apply_smoothing=True,
remove_intersections=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width_transect_6.png",
display_true_centerline=False,
transect_span_distance=6,
apply_smoothing=True,
remove_intersections=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width_transect_30.png",
display_true_centerline=False,
transect_span_distance=30,
apply_smoothing=True,
remove_intersections=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_transect_avg.png",
display_true_centerline=False,
transect_slope="Average",
apply_smoothing=True,
remove_intersections=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_transect_direct.png",
display_true_centerline=False,
transect_slope="Direct",
apply_smoothing=True,
remove_intersections=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width_keep_intersections.png",
display_true_centerline=False,
remove_intersections=False,
apply_smoothing=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot=
"data/doc_examples/river_coords_width_remove_intersections.png",
display_true_centerline=False,
remove_intersections=True,
apply_smoothing=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width_dark_mode_false.png",
display_true_centerline=True,
remove_intersections=False,
dark_mode=False,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width_dark_mode_true.png",
display_true_centerline=True,
remove_intersections=False,
dark_mode=True,
show_plot=is_debug)
ro_10.plot_centerline_width(
save_plot="data/doc_examples/river_coords_not_equal_default_ax.png",
display_true_centerline=True,
remove_intersections=True,
equal_axis=False,
show_plot=is_debug)
ro_10.plot_centerline_width(
save_plot="data/doc_examples/river_coords_equal_ax.png",
display_true_centerline=True,
remove_intersections=True,
equal_axis=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width_decimal_degrees.png",
display_true_centerline=False,
apply_smoothing=True,
coordinate_unit="Decimal Degrees",
remove_intersections=True,
show_plot=is_debug)
ro_550.plot_centerline_width(
save_plot="data/doc_examples/river_coords_width_relative_distance.png",
display_true_centerline=False,
apply_smoothing=True,
coordinate_unit="Relative Distance",
remove_intersections=True,
show_plot=is_debug)
################### Algorithm to Determine Centerline ###############################
def plotAlgorithm(fig_save_name=None,
plot_polygon=False,
plot_voronoi=False,
plot_all_possible_paths=False,
total_number_of_connections=0,
plot_top_bottom_banks=False,
plot_start_end_node=False,
plot_point_labels=False,
plot_centerline=False):
left_bank = ro_15.left_bank_coordinates
right_bank = ro_15.right_bank_coordinates
fig = plt.figure(figsize=(10, 10))
ax = fig.add_subplot(111)
scatter_plot_size = 4
right_coords = ro_15.right_bank_coordinates
left_coords = ro_15.left_bank_coordinates
if plot_polygon:
plt.plot(*ro_15.bank_polygon.exterior.xy, c="gainsboro")
x = [i[0] for i in right_coords]
y = [i[1] for i in right_coords]
plt.scatter(x,
y,
c="dodgerblue",
s=scatter_plot_size,
label="Right Bank")
x = [i[0] for i in left_coords]
y = [i[1] for i in left_coords]
plt.scatter(x, y, c="orange", s=scatter_plot_size, label="Left Bank")
if plot_voronoi:
voronoi_plot_2d(ro_15.bank_voronoi,
show_points=True,
point_size=1,
ax=ax)
if plot_all_possible_paths:
starting_node, ending_node, x_ridge_point, y_ridge_point, shortest_path_coordinates = centerline_width._centerline_path(
ro_15.bank_voronoi, ro_15.bank_polygon, ro_15.top_bank,
ro_15.bottom_bank, total_number_of_connections)
for i in range(len(x_ridge_point)):
plt.plot(x_ridge_point[i],
y_ridge_point[i],
'cyan',
linewidth=1,
zorder=1)
if plot_top_bottom_banks:
plt.plot(*ro_15.top_bank.xy, c="forestgreen")
plt.plot(*ro_15.bottom_bank.xy, c="lightcoral")
if plot_start_end_node:
plt.scatter(ro_15.starting_node[0],
ro_15.starting_node[1],
c="green",
label="Starting Node",
s=45)
plt.scatter(ro_15.ending_node[0],
ro_15.ending_node[1],
c="red",
label="Ending Node",
s=45)
if plot_point_labels:
values_plotted = []
for i in range(len(x_ridge_point)):
first_connection = f"({x_ridge_point[i][0]}, {y_ridge_point[i][0]})"
if first_connection not in values_plotted:
ax.annotate(first_connection,
(x_ridge_point[i][0], y_ridge_point[i][0]),
fontsize=6)
values_plotted.append(first_connection)
second_connection = f"({x_ridge_point[i][1]}, {y_ridge_point[i][1]})"
if second_connection not in values_plotted:
ax.annotate(second_connection,
(x_ridge_point[i][1], y_ridge_point[i][1]),
fontsize=6)
values_plotted.append(second_connection)
if plot_centerline:
plt.plot(*zip(*shortest_path_coordinates),
c="black",
label="Centerline",
zorder=10)
plt.title("River Coordinates")
plt.xlabel("Longitude (°)")
plt.ylabel("Latitude (°)")
if is_debug: plt.show()
if not is_debug: plt.close()
fig.savefig(fig_save_name)
return fig, ax
def plotNetworkXGraph(fig_save_name=None):
# Draw NetworkX Graph
fig = plt.figure(figsize=(10, 10))
ax = fig.add_subplot(111)
start_end_points_dict = centerline_width._points_from_voronoi(
ro_15.bank_voronoi, ro_15.bank_polygon)
nx_graphs, largest_subgraph_nodes = centerline_width._generate_nx_graph(
start_end_points_dict)
nx.draw(nx_graphs, with_labels=True, font_size=10)
plt.draw()
if is_debug: plt.show()
if not is_debug: plt.close()
fig.savefig(fig_save_name)
plotAlgorithm(fig_save_name="data/doc_examples/algorithm_step1.png")
plotAlgorithm(fig_save_name="data/doc_examples/algorithm_step2.png",
plot_polygon=True)
plotAlgorithm(fig_save_name="data/doc_examples/algorithm_step3.png",
plot_polygon=True,
plot_voronoi=True)
plotAlgorithm(fig_save_name="data/doc_examples/algorithm_step4.png",
plot_polygon=True,
plot_all_possible_paths=True)
plotAlgorithm(fig_save_name="data/doc_examples/algorithm_step5.png",
plot_polygon=True,
plot_all_possible_paths=True,
plot_top_bottom_banks=True)
plotAlgorithm(fig_save_name="data/doc_examples/algorithm_step6.png",
plot_polygon=True,
plot_all_possible_paths=True,
plot_top_bottom_banks=True,
plot_start_end_node=True)
plotAlgorithm(fig_save_name="data/doc_examples/algorithm_step7.png",
plot_polygon=True,
plot_all_possible_paths=True,
plot_top_bottom_banks=True,
plot_start_end_node=True,
plot_point_labels=True)
plotNetworkXGraph(fig_save_name="data/doc_examples/algorithm_step8.png")
plotAlgorithm(fig_save_name="data/doc_examples/algorithm_step9.png",
plot_polygon=True,
plot_all_possible_paths=True,
plot_top_bottom_banks=True,
plot_start_end_node=True,
plot_centerline=True)
plotAlgorithm(fig_save_name="data/doc_examples/algorithm_step10.png",
plot_polygon=True,
plot_all_possible_paths=True,
plot_top_bottom_banks=True,
total_number_of_connections=1)
################### Debugging, Error Handling, and Edge Cases ###############################
ro_725.plot_centerline(save_plot="data/doc_examples/invalid_too_wide.png",
display_all_possible_paths=True,
show_plot=is_debug)
ro_250.plot_centerline(
save_plot="data/doc_examples/invalid_minor_polygon.png",
display_all_possible_paths=True,
show_plot=is_debug)
ro_1000 = centerline_width.CenterlineWidth(
csv_data="data/river_coords.csv", cutoff=1000)
ro_1000.plot_centerline(
save_plot="data/doc_examples/invalid_major_polygon.png",
display_all_possible_paths=True,
show_plot=is_debug)
ro_5.plot_centerline(save_plot="data/doc_examples/invalid_too_small.png",
display_voronoi=True,
show_plot=is_debug)
centerline_width.txt_to_csv(txt_input="data/river_coords.txt",
flip_direction=False)
ro_400 = centerline_width.CenterlineWidth(csv_data="data/river_coords.csv")
ro_400.plot_centerline(
save_plot="data/doc_examples/invalid_flipped_banks.png",
show_plot=is_debug)