cleanup logo voiceovers, move summaries into next screen in each chapter, refactor logo building into util function.

Author: michelp

Chapter0/Scene0.py

@@ -19,17 +19,8 @@ def construct(self):
         title = Tex("The Illustrated GraphBLAS").scale(1.5).to_edge(UP)
 
         with self.voiceover(
-            """The GraphBLAS is a sparse linear algebra API—a powerful
-            mathematical framework for graph analysis. In this video
-            series, we'll explore the basic concepts of algebraic
-            graph theory and how it can be used to write portable
-            graph algorithms on many different kinds of hardware,
-            including CPUs and GPUs. By the end of this series, you
-            will understand how to create new parallel graph
-            algorithms using simple mathematical notation. GraphBLAS
-            was developed by a consortium of researchers from academia
-            and industry, and is now an open standard with multiple
-            implementations."""
+            """This chapter introduces the GraphBLAS, a sparse linear
+            algebra API for graph analysis."""
         ):
             self.play(Write(title))
             for logo in logos_group:
@@ -44,10 +35,10 @@ def construct(self):
 
         # Chapter summary slide
         with self.voiceover(
-            """In this chapter, we'll cover how sparse matrices represent graphs,
-            the duality between graphs and matrices, the basics of matrix-vector
-            multiplication, and why algebraic approaches to graph algorithms
-            are so powerful."""
+            """We'll cover how sparse matrices represent graphs, the duality
+            between graphs and matrices, the basics of matrix-vector
+            multiplication, and why algebraic approaches enable portable,
+            parallel graph algorithms across CPUs and GPUs."""
         ):
             chapter_title = Text("Chapter 0: Introduction to GraphBLAS", font_size=40).to_edge(UP)
 

Chapter1/Scene0.py

@@ -5,48 +5,22 @@
 from manim_voiceover import VoiceoverScene
 from dotenv import load_dotenv
 load_dotenv()
-import os
 
-from scene_utils import setup_scene
+from scene_utils import create_logo_grid, setup_scene
 
 
 class Scene0(VoiceoverScene, Scene):
     def construct(self):
         setup_scene(self)
 
-        # Load all logo images from the imgs/ directory
-        img_dir = "../imgs"
-        logo_filenames = [
-            "aristotle.png", "anaconda.png", "berkeley.png",
-            "cmu.png", "cwi.png", "du.png",
-            "graphegon.png", "humboldt.png", "intel.png",
-            "imbr.png", "lucata.png", "mit.png",
-            "njit.png", "nvidia.png", "pnnl.png",
-            "redis.png", "romatre.png", "tamu.png",
-            "ucdavis.png", "ucsb.png", "unibz.png",
-            "JuliaComputing.jpg", "falkor.png", "supabase3.png",
-        ]
-
-        # Create ImageMobject for each logo and scale them uniformly
-        logos = [
-            ImageMobject(os.path.join(img_dir, filename)).scale(0.5)
-            for filename in logo_filenames
-        ]
-
-        # Arrange logos in a 4x6 grid using Group
-        logos_group = Group(*logos).arrange_in_grid(rows=4, cols=6, buff=0.5)
+        logos_group = create_logo_grid()
 
         # Title text
         title = Tex("The Illustrated GraphBLAS").scale(1.5).to_edge(UP)
 
         with self.voiceover(
-            """In this video, you will learn how to install and use the Python
-            GraphBLAS library, which will be used throughout the rest
-            of the video series for code examples.  It's not necessary
-            to install Python or use the library for understanding the
-            basic concepts of the GraphBLAS, so you can skip this
-            video and move onto the next chapter if you want to get
-            straight to the concepts.  """
+            """This chapter covers installing and using the Python GraphBLAS
+            library for code examples throughout the series."""
         ):
             self.play(Write(title))
             for logo in logos_group:
@@ -61,9 +35,11 @@ def construct(self):
 
         # Chapter summary slide
         with self.voiceover(
-            """This chapter covers installing the python-graphblas library,
-            creating matrices and vectors, basic operations, and provides
-            code examples that will be used throughout the rest of the series."""
+            """We'll walk through installing the python-graphblas library,
+            creating matrices and vectors, basic operations like assignment
+            and extraction, and introduce code patterns used throughout the
+            rest of the series. This chapter is optional if you want to skip
+            straight to the concepts."""
         ):
             chapter_title = Text("Chapter 1: Python GraphBLAS", font_size=40).to_edge(UP)
 

Chapter2/Scene0.py

@@ -5,45 +5,22 @@
 from manim_voiceover import VoiceoverScene
 from dotenv import load_dotenv
 load_dotenv()
-import os
 
-from scene_utils import setup_scene
+from scene_utils import create_logo_grid, setup_scene
 
 
 class Scene0(VoiceoverScene, Scene):
     def construct(self):
         setup_scene(self)
 
-        # Load all logo images from the imgs/ directory
-        img_dir = "../imgs"
-        logo_filenames = [
-            "aristotle.png", "anaconda.png", "berkeley.png",
-            "cmu.png", "cwi.png", "du.png",
-            "graphegon.png", "humboldt.png", "intel.png",
-            "imbr.png", "lucata.png", "mit.png",
-            "njit.png", "nvidia.png", "pnnl.png",
-            "redis.png", "romatre.png", "tamu.png",
-            "ucdavis.png", "ucsb.png", "unibz.png",
-            "JuliaComputing.jpg", "falkor.png", "supabase3.png",
-        ]
-
-        # Create ImageMobject for each logo and scale them uniformly
-        logos = [
-            ImageMobject(os.path.join(img_dir, filename)).scale(0.5)
-            for filename in logo_filenames
-        ]
-
-        # Arrange logos in a 4x6 grid using Group
-        logos_group = Group(*logos).arrange_in_grid(rows=4, cols=6, buff=0.5)
+        logos_group = create_logo_grid()
 
         # Title text
         title = Tex("The Illustrated GraphBLAS").scale(1.5).to_edge(UP)
 
         with self.voiceover(
-            """In this chapter, we'll explore semirings, a powerful GraphBLAS
-            feature that lets you customize what matrix multiplication means.
-            The same operation can compute total costs, find shortest paths,
-            or check simple reachability, just by changing the semiring."""
+            """This chapter explores semirings, which let you customize what
+            matrix multiplication means in GraphBLAS."""
         ):
             self.play(Write(title))
             for logo in logos_group:
@@ -58,9 +35,11 @@ def construct(self):
 
         # Chapter summary slide
         with self.voiceover(
-            """We'll learn what a semiring is, explore plus-times for standard
-            arithmetic, min-plus for tropical optimization, and any-pair for
-            structural operations on graphs."""
+            """We'll learn what a semiring is and how it changes the meaning
+            of matrix multiplication. We'll explore plus-times for standard
+            weighted arithmetic, min-plus for tropical optimization problems,
+            and any-pair for structural operations that ignore edge weights
+            entirely."""
         ):
             chapter_title = Text("Chapter 2: Semirings", font_size=40).to_edge(UP)