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constants.py
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constants.py
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import numpy as np
import os
MEDIA_DIR = ""
VIDEO_DIR = ""
VIDEO_OUTPUT_DIR = ""
TEX_DIR = ""
TEXT_DIR = ""
def initialize_directories(config):
global MEDIA_DIR
global VIDEO_DIR
global VIDEO_OUTPUT_DIR
global TEX_DIR
global TEXT_DIR
video_path_specified = config["video_dir"] or config["video_output_dir"]
if not (video_path_specified and config["tex_dir"]):
if config["media_dir"]:
MEDIA_DIR = config["media_dir"]
else:
MEDIA_DIR = os.path.join(
os.path.expanduser('~'),
"Dropbox (3Blue1Brown)/3Blue1Brown Team Folder"
)
if not os.path.isdir(MEDIA_DIR):
MEDIA_DIR = os.path.join(os.getcwd(), "media")
print(
f"Media will be written to {MEDIA_DIR + os.sep}. You can change "
"this behavior with the --media_dir flag."
)
else:
if config["media_dir"]:
print(
"Ignoring --media_dir, since both --tex_dir and a video "
"directory were both passed"
)
TEX_DIR = config["tex_dir"] or os.path.join(MEDIA_DIR, "Tex")
TEXT_DIR = os.path.join(MEDIA_DIR, "texts")
if not video_path_specified:
VIDEO_DIR = os.path.join(MEDIA_DIR, "videos")
VIDEO_OUTPUT_DIR = os.path.join(MEDIA_DIR, "videos")
elif config["video_output_dir"]:
VIDEO_OUTPUT_DIR = config["video_output_dir"]
else:
VIDEO_DIR = config["video_dir"]
for folder in [VIDEO_DIR, VIDEO_OUTPUT_DIR, TEX_DIR, TEXT_DIR]:
if folder != "" and not os.path.exists(folder):
os.makedirs(folder)
NOT_SETTING_FONT_MSG='''
Warning:
You haven't set font.
If you are not using English, this may cause text rendering problem.
You set font like:
text = Text('your text', font='your font')
or:
class MyText(Text):
CONFIG = {
'font': 'My Font'
}
'''
START_X = 30
START_Y = 20
NORMAL = 'NORMAL'
ITALIC = 'ITALIC'
OBLIQUE = 'OBLIQUE'
BOLD = 'BOLD'
TEX_USE_CTEX = False
TEX_TEXT_TO_REPLACE = "YourTextHere"
TEMPLATE_TEX_FILE = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
"tex_template.tex" if not TEX_USE_CTEX else "ctex_template.tex"
)
with open(TEMPLATE_TEX_FILE, "r") as infile:
TEMPLATE_TEXT_FILE_BODY = infile.read()
TEMPLATE_TEX_FILE_BODY = TEMPLATE_TEXT_FILE_BODY.replace(
TEX_TEXT_TO_REPLACE,
"\\begin{align*}\n" + TEX_TEXT_TO_REPLACE + "\n\\end{align*}",
)
HELP_MESSAGE = """
Usage:
python extract_scene.py <module> [<scene name>]
-p preview in low quality
-s show and save picture of last frame
-w write result to file [this is default if nothing else is stated]
-o <file_name> write to a different file_name
-l use low quality
-m use medium quality
-a run and save every scene in the script, or all args for the given scene
-q don't print progress
-f when writing to a movie file, export the frames in png sequence
-t use transperency when exporting images
-n specify the number of the animation to start from
-r specify a resolution
-c specify a background color
"""
SCENE_NOT_FOUND_MESSAGE = """
{} is not in the script
"""
CHOOSE_NUMBER_MESSAGE = """
Choose number corresponding to desired scene/arguments.
(Use comma separated list for multiple entries)
Choice(s): """
INVALID_NUMBER_MESSAGE = "Fine then, if you don't want to give a valid number I'll just quit"
NO_SCENE_MESSAGE = """
There are no scenes inside that module
"""
# There might be other configuration than pixel shape later...
PRODUCTION_QUALITY_CAMERA_CONFIG = {
"pixel_height": 1440,
"pixel_width": 2560,
"frame_rate": 60,
}
HIGH_QUALITY_CAMERA_CONFIG = {
"pixel_height": 1080,
"pixel_width": 1920,
"frame_rate": 60,
}
MEDIUM_QUALITY_CAMERA_CONFIG = {
"pixel_height": 720,
"pixel_width": 1280,
"frame_rate": 30,
}
LOW_QUALITY_CAMERA_CONFIG = {
"pixel_height": 480,
"pixel_width": 854,
"frame_rate": 15,
}
DEFAULT_PIXEL_HEIGHT = PRODUCTION_QUALITY_CAMERA_CONFIG["pixel_height"]
DEFAULT_PIXEL_WIDTH = PRODUCTION_QUALITY_CAMERA_CONFIG["pixel_width"]
DEFAULT_FRAME_RATE = 60
DEFAULT_POINT_DENSITY_2D = 25
DEFAULT_POINT_DENSITY_1D = 250
DEFAULT_STROKE_WIDTH = 4
FRAME_HEIGHT = 8.0
FRAME_WIDTH = FRAME_HEIGHT * DEFAULT_PIXEL_WIDTH / DEFAULT_PIXEL_HEIGHT
FRAME_Y_RADIUS = FRAME_HEIGHT / 2
FRAME_X_RADIUS = FRAME_WIDTH / 2
SMALL_BUFF = 0.1
MED_SMALL_BUFF = 0.25
MED_LARGE_BUFF = 0.5
LARGE_BUFF = 1
DEFAULT_MOBJECT_TO_EDGE_BUFFER = MED_LARGE_BUFF
DEFAULT_MOBJECT_TO_MOBJECT_BUFFER = MED_SMALL_BUFF
# All in seconds
DEFAULT_POINTWISE_FUNCTION_RUN_TIME = 3.0
DEFAULT_WAIT_TIME = 1.0
ORIGIN = np.array((0., 0., 0.))
UP = np.array((0., 1., 0.))
DOWN = np.array((0., -1., 0.))
RIGHT = np.array((1., 0., 0.))
LEFT = np.array((-1., 0., 0.))
IN = np.array((0., 0., -1.))
OUT = np.array((0., 0., 1.))
X_AXIS = np.array((1., 0., 0.))
Y_AXIS = np.array((0., 1., 0.))
Z_AXIS = np.array((0., 0., 1.))
# Useful abbreviations for diagonals
UL = UP + LEFT
UR = UP + RIGHT
DL = DOWN + LEFT
DR = DOWN + RIGHT
TOP = FRAME_Y_RADIUS * UP
BOTTOM = FRAME_Y_RADIUS * DOWN
LEFT_SIDE = FRAME_X_RADIUS * LEFT
RIGHT_SIDE = FRAME_X_RADIUS * RIGHT
PI = np.pi
TAU = 2 * PI
DEGREES = TAU / 360
FFMPEG_BIN = "ffmpeg"
# Colors
COLOR_MAP = {
"DARK_BLUE": "#236B8E",
"DARK_BROWN": "#8B4513",
"LIGHT_BROWN": "#CD853F",
"BLUE_E": "#1C758A",
"BLUE_D": "#29ABCA",
"BLUE_C": "#58C4DD",
"BLUE_B": "#9CDCEB",
"BLUE_A": "#C7E9F1",
"TEAL_E": "#49A88F",
"TEAL_D": "#55C1A7",
"TEAL_C": "#5CD0B3",
"TEAL_B": "#76DDC0",
"TEAL_A": "#ACEAD7",
"GREEN_E": "#699C52",
"GREEN_D": "#77B05D",
"GREEN_C": "#83C167",
"GREEN_B": "#A6CF8C",
"GREEN_A": "#C9E2AE",
"YELLOW_E": "#E8C11C",
"YELLOW_D": "#F4D345",
"YELLOW_C": "#FFFF00",
"YELLOW_B": "#FFEA94",
"YELLOW_A": "#FFF1B6",
"GOLD_E": "#C78D46",
"GOLD_D": "#E1A158",
"GOLD_C": "#F0AC5F",
"GOLD_B": "#F9B775",
"GOLD_A": "#F7C797",
"RED_E": "#CF5044",
"RED_D": "#E65A4C",
"RED_C": "#FC6255",
"RED_B": "#FF8080",
"RED_A": "#F7A1A3",
"MAROON_E": "#94424F",
"MAROON_D": "#A24D61",
"MAROON_C": "#C55F73",
"MAROON_B": "#EC92AB",
"MAROON_A": "#ECABC1",
"PURPLE_E": "#644172",
"PURPLE_D": "#715582",
"PURPLE_C": "#9A72AC",
"PURPLE_B": "#B189C6",
"PURPLE_A": "#CAA3E8",
"WHITE": "#FFFFFF",
"BLACK": "#000000",
"LIGHT_GRAY": "#BBBBBB",
"LIGHT_GREY": "#BBBBBB",
"GRAY": "#888888",
"GREY": "#888888",
"DARK_GREY": "#444444",
"DARK_GRAY": "#444444",
"DARKER_GREY": "#222222",
"DARKER_GRAY": "#222222",
"GREY_BROWN": "#736357",
"PINK": "#D147BD",
"LIGHT_PINK": "#DC75CD",
"GREEN_SCREEN": "#00FF00",
"ORANGE": "#FF862F",
}
PALETTE = list(COLOR_MAP.values())
locals().update(COLOR_MAP)
for name in [s for s in list(COLOR_MAP.keys()) if s.endswith("_C")]:
locals()[name.replace("_C", "")] = locals()[name]
# Streaming related configuration
LIVE_STREAM_NAME = "LiveStream"
TWITCH_STREAM_KEY = "YOUR_STREAM_KEY"
STREAMING_PROTOCOL = "tcp"
STREAMING_IP = "127.0.0.1"
STREAMING_PORT = "2000"
STREAMING_CLIENT = "ffplay"
STREAMING_URL = f"{STREAMING_PROTOCOL}://{STREAMING_IP}:{STREAMING_PORT}?listen"
STREAMING_CONSOLE_BANNER = """
Manim is now running in streaming mode. Stream animations by passing
them to manim.play(), e.g.
>>> c = Circle()
>>> manim.play(ShowCreation(c))
"""
code_languages_list = {"abap": "abap", "as": "as", "as3": "as3", "ada": "ada", "antlr": "antlr",
"antlr_as": "antlr-as",
"antlr_csharp": "antlr-csharp", "antlr_cpp": "antlr-cpp", "antlr_java": "antlr-java",
"antlr_objc": "antlr-objc", "antlr_perl": "antlr-perl", "antlr_python": "antlr-python",
"antlr_ruby": "antlr-ruby", "apacheconf": "apacheconf", "applescript": "applescript",
"aspectj": "aspectj",
"aspx_cs": "aspx-cs", "aspx_vb": "aspx-vb", "asy": "asy", "ahk": "ahk", "autoit": "autoit",
"awk": "awk",
"basemake": "basemake", "bash": "bash", "console": "console", "bat": "bat",
"bbcode": "bbcode",
"befunge": "befunge", "blitzmax": "blitzmax", "boo": "boo", "brainfuck": "brainfuck",
"bro": "bro",
"bugs": "bugs", "c": "c", "csharp": "csharp", "cpp": "cpp", "c_objdump": "c-objdump",
"ca65": "ca65",
"cbmbas": "cbmbas", "ceylon": "ceylon", "cfengine3": "cfengine3", "cfs": "cfs",
"cheetah": "cheetah",
"clojure": "clojure", "cmake": "cmake", "cobol": "cobol", "cobolfree": "cobolfree",
"coffee_script": "coffee-script", "cfm": "cfm", "common_lisp": "common-lisp", "coq": "coq",
"cpp_objdump": "cpp-objdump", "croc": "croc", "css": "css", "css_django": "css+django",
"css_genshitext": "css+genshitext", "css_lasso": "css+lasso", "css_mako": "css+mako",
"css_myghty": "css+myghty", "css_php": "css+php", "css_erb": "css+erb",
"css_smarty": "css+smarty",
"cuda": "cuda", "cython": "cython", "d": "d", "d_objdump": "d-objdump", "dpatch": "dpatch",
"dart": "dart",
"control": "control", "sourceslist": "sourceslist", "delphi": "delphi", "dg": "dg",
"diff": "diff",
"django": "django", "dtd": "dtd", "duel": "duel", "dylan": "dylan",
"dylan_console": "dylan-console",
"dylan_lid": "dylan-lid", "ec": "ec", "ecl": "ecl", "elixir": "elixir", "iex": "iex",
"ragel_em": "ragel-em",
"erb": "erb", "erlang": "erlang", "erl": "erl", "evoque": "evoque", "factor": "factor",
"fancy": "fancy",
"fan": "fan", "felix": "felix", "fortran": "fortran", "Clipper": "Clipper",
"fsharp": "fsharp", "gas": "gas",
"genshi": "genshi", "genshitext": "genshitext", "pot": "pot", "Cucumber": "Cucumber",
"glsl": "glsl",
"gnuplot": "gnuplot", "go": "go", "gooddata_cl": "gooddata-cl", "gosu": "gosu", "gst": "gst",
"groff": "groff",
"groovy": "groovy", "haml": "haml", "haskell": "haskell", "hx": "hx", "html": "html",
"html_cheetah": "html+cheetah", "html_django": "html+django", "html_evoque": "html+evoque",
"html_genshi": "html+genshi", "html_lasso": "html+lasso", "html_mako": "html+mako",
"html_myghty": "html+myghty", "html_php": "html+php", "html_smarty": "html+smarty",
"html_velocity": "html+velocity", "http": "http", "haxeml": "haxeml", "hybris": "hybris",
"idl": "idl",
"ini": "ini", "io": "io", "ioke": "ioke", "irc": "irc", "jade": "jade", "jags": "jags",
"java": "java",
"jsp": "jsp", "js": "js", "js_cheetah": "js+cheetah", "js_django": "js+django",
"js_genshitext": "js+genshitext", "js_lasso": "js+lasso", "js_mako": "js+mako",
"js_myghty": "js+myghty",
"js_php": "js+php", "js_erb": "js+erb", "js_smarty": "js+smarty", "json": "json",
"julia": "julia",
"jlcon": "jlcon", "kconfig": "kconfig", "koka": "koka", "kotlin": "kotlin", "lasso": "lasso",
"lighty": "lighty", "lhs": "lhs", "live_script": "live-script", "llvm": "llvm",
"logos": "logos",
"logtalk": "logtalk", "lua": "lua", "make": "make", "mako": "mako", "maql": "maql",
"mason": "mason",
"matlab": "matlab", "matlabsession": "matlabsession", "minid": "minid",
"modelica": "modelica",
"modula2": "modula2", "trac_wiki": "trac-wiki", "monkey": "monkey", "moocode": "moocode",
"moon": "moon",
"mscgen": "mscgen", "mupad": "mupad", "mxml": "mxml", "myghty": "myghty", "mysql": "mysql",
"nasm": "nasm",
"nemerle": "nemerle", "newlisp": "newlisp", "newspeak": "newspeak", "nginx": "nginx",
"nimrod": "nimrod",
"nsis": "nsis", "numpy": "numpy", "objdump": "objdump", "objective_c": "objective-c",
"objective_c_+": "objective-c++", "objective_j": "objective-j", "ocaml": "ocaml",
"octave": "octave",
"ooc": "ooc", "opa": "opa", "openedge": "openedge", "perl": "perl", "php": "php",
"plpgsql": "plpgsql",
"psql": "psql", "postgresql": "postgresql", "postscript": "postscript", "pov": "pov",
"powershell": "powershell", "prolog": "prolog", "properties": "properties",
"protobuf": "protobuf",
"puppet": "puppet", "pypylog": "pypylog", "python": "python", "python3": "python3",
"py3tb": "py3tb",
"pycon": "pycon", "pytb": "pytb", "qml": "qml", "racket": "racket", "ragel": "ragel",
"ragel_c": "ragel-c",
"ragel_cpp": "ragel-cpp", "ragel_d": "ragel-d", "ragel_java": "ragel-java",
"ragel_objc": "ragel-objc",
"ragel_ruby": "ragel-ruby", "raw": "raw", "rconsole": "rconsole", "rd": "rd",
"rebol": "rebol",
"redcode": "redcode", "registry": "registry", "rst": "rst", "rhtml": "rhtml",
"RobotFramework": "RobotFramework", "spec": "spec", "rb": "rb", "rbcon": "rbcon",
"rust": "rust",
"splus": "splus", "sass": "sass", "scala": "scala", "ssp": "ssp", "scaml": "scaml",
"scheme": "scheme",
"scilab": "scilab", "scss": "scss", "shell_session": "shell-session", "smali": "smali",
"smalltalk": "smalltalk", "smarty": "smarty", "snobol": "snobol", "sp": "sp", "sql": "sql",
"sqlite3": "sqlite3", "squidconf": "squidconf", "stan": "stan", "sml": "sml",
"systemverilog": "systemverilog",
"tcl": "tcl", "tcsh": "tcsh", "tea": "tea", "tex": "tex", "text": "text",
"treetop": "treetop", "ts": "ts",
"urbiscript": "urbiscript", "vala": "vala", "vb.net": "vb.net", "velocity": "velocity",
"verilog": "verilog",
"vgl": "vgl", "vhdl": "vhdl", "vim": "vim", "xml": "xml", "xml_cheetah": "xml+cheetah",
"xml_django": "xml+django", "xml_evoque": "xml+evoque", "xml_lasso": "xml+lasso",
"xml_mako": "xml+mako",
"xml_myghty": "xml+myghty", "xml_php": "xml+php", "xml_erb": "xml+erb",
"xml_smarty": "xml+smarty",
"xml_velocity": "xml+velocity", "xquery": "xquery", "xslt": "xslt", "xtend": "xtend",
"yaml": "yaml"}
code_styles_list = {0: "autumn", 1: "borland", 2: "bw", 3: "colorful", 4: "default", 5: "emacs",
6: "friendly", 7: "fruity", 8: "manni", 9: "monokai", 10: "murphy", 11: "native",
12: "pastie", 13: "perldoc", 14: "rrt", 15: "tango", 16: "trac", 17: "vim", 18: "vs"}