Random fixes to some old_projects

old_projects/WindingNumber.py

@@ -640,10 +640,7 @@ class ColorMappedByFuncScene(Scene):
     }
 
     def short_path_to_long_path(self, filename_with_ext):
-        return os.path.join(
-            self.output_directory, "images", 
-            filename_with_ext
-        )
+        return self.get_image_file_path(filename_with_ext)
 
     def setup(self):
         # The composition of input_to_pos and pos_to_color 
@@ -664,11 +661,13 @@ class ColorMappedByFuncScene(Scene):
         jitter_val = 0.1
         line_coords = np.linspace(-10, 10) + jitter_val
         func_hash_points = it.product(line_coords, line_coords)
+
         def mini_hasher(p):
             rgba = point_to_rgba(self.pixel_pos_to_color_func(p))
             if rgba[3] != 1.0:
                 print("Warning! point_to_rgba assigns fractional alpha", rgba[3])
             return tuple(rgba)
+
         to_hash = tuple(mini_hasher(p) for p in func_hash_points)
         func_hash = hash(to_hash)
         # We hash just based on output image
@@ -695,7 +694,7 @@ class ColorMappedByFuncScene(Scene):
                     )
                 )
             )
-            self.save_image(self.background_image_file, mode = "RGBA")
+            self.save_image(self.background_image_file, mode="RGBA")
 
         if self.hide_background:
             # Clearing background

old_projects/WindingNumber_G.py

@@ -768,10 +768,10 @@ class InputOutputScene(Scene):
 
     def get_planes(self):
         input_plane = self.input_plane = NumberPlane(
-            x_radius = self.plane_width/2.0,
-            y_radius = self.plane_height/2.0,
+            x_radius = self.plane_width / 2.0,
+            y_radius = self.plane_height / 2.0,
         )
-        output_plane = self.output_plane = input_plane.copy()
+        output_plane = self.output_plane = input_plane.deepcopy()
         planes = VGroup(input_plane, output_plane)
         vects = [LEFT, RIGHT]
         label_texts = ["Input", "Output"]
@@ -780,6 +780,7 @@ class InputOutputScene(Scene):
             plane.stretch_to_fit_width(self.plane_width)
             plane.add_coordinates(x_vals = list(range(-2, 3)), y_vals = list(range(-2, 3)))
             plane.white_parts = VGroup(plane.axes, plane.coordinate_labels)
+            plane.coordinate_labels.set_background_stroke(width=0)
             plane.lines_to_fade = VGroup(plane.main_lines, plane.secondary_lines)
             plane.move_to(vect*FRAME_X_RADIUS/2 + self.y_shift*DOWN)
             label = TextMobject(text)
@@ -1452,6 +1453,7 @@ class SearchForZerosInInputSpace(ColorMappedObjectsScene):
         "func" : example_plane_func,
     }
     def construct(self):
+        ColorMappedObjectsScene.construct(self)
         title = TextMobject("Input space")
         title.scale(2)
         title.to_edge(UP)
@@ -1540,7 +1542,7 @@ class OneDRegionBoundary(Scene):
                 color = color,
                 buff = 0
             )
-            for x, fx, color in (x0, fx0, RED), (x1, fx1, GREEN)
+            for x, fx, color in [(x0, fx0, RED), (x1, fx1, GREEN)]
         ])
         minus = TexMobject("-")
         minus.match_color(x0_arrow)
@@ -3246,33 +3248,3 @@ class Thumbnail(SearchSpacePerimeterVsArea):
         self.clear()
         self.add(lines)
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

old_projects/dandelin.py

@@ -858,7 +858,7 @@ class ShowMeasurementBook(TeacherStudentsScene):
         measurement.move_to(self.hold_up_spot, DOWN)
 
         words = TextMobject("Highly recommended")
-        arrow = Vector(RIGHT, buff=WHITE)
+        arrow = Vector(RIGHT, color=WHITE)
         arrow.next_to(measurement, LEFT)
         words.next_to(arrow, LEFT)
 

old_projects/fourier.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 from constants import *
-import scipy
+import scipy.integrate
 
 from big_ol_pile_of_manim_imports import *
 
@@ -1633,9 +1633,9 @@ class DrawFrequencyPlot(WrapCosineGraphAroundCircle, PiCreatureScene):
 
     def change_frequency(self, new_freq, **kwargs):
         kwargs["run_time"] = kwargs.get("run_time", 3)
-        rate_func = kwargs.pop(
-            "rate_func", bezier([0, 0, 1, 1])
-        )
+        rate_func = kwargs.pop("rate_func", None)
+        if rate_func is None:
+            rate_func = bezier([0, 0, 1, 1])
         added_anims = kwargs.get("added_anims", [])
         anims = [self.get_frequency_change_animation(self.graph, new_freq)]
         if hasattr(self, "winding_freq_label"):
@@ -3782,7 +3782,7 @@ class SummarizeFormula(Scene):
                 expression.get_part_by_tex(p1),
                 expression.get_part_by_tex(p2),
             ))
-            for p1, p2 in ("e", "t}"), ("g({}", "t}"), ("\\int", "dt")
+            for p1, p2 in [("e", "t}"), ("g({}", "t}"), ("\\int", "dt")]
         ]
 
         self.add(expression)
@@ -4005,7 +4005,7 @@ class ShowUncertaintyPrinciple(Scene):
         self.wait(2)
         self.add(*[
             ContinualUpdateFromFunc(graph, get_update_func(axes))
-            for graph, axes in (top_graph, top_axes), (bottom_graph, bottom_axes)
+            for graph, axes in [(top_graph, top_axes), (bottom_graph, bottom_axes)]
         ])
         for factor in factors:
             self.play(

old_projects/lost_lecture.py

@@ -158,7 +158,7 @@ class ShowEmergingEllipse(Scene):
 
         fade_rect = FullScreenFadeRectangle()
 
-        line = lines[len(lines) / 5]
+        line = lines[len(lines) // 5]
         line_dot = Dot(line.get_center(), color=YELLOW)
         line_dot.scale(0.5)