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f9306c2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | """Demo dataset generation for trying the explorer locally."""
from __future__ import annotations
import json
from pathlib import Path
from PIL import Image, ImageDraw
def create_demo_dataset(output_dir: Path) -> Path:
"""Create a tiny MathVision-like dataset with simple generated images."""
image_dir = output_dir / "images"
image_dir.mkdir(parents=True, exist_ok=True)
records = [
{
"id": "demo-red-squares",
"question": "How many red squares are visible?",
"answer": "4",
"image": "images/red-squares.png",
"options": ["3", "4", "5"],
"subject": "counting",
"level": 1,
"solution": "Count the four red square tiles.",
},
{
"id": "demo-red-squares-small",
"question": "How many small red squares are visible?",
"answer": "5",
"image": "images/red-squares-small.png",
"options": ["4", "5", "6"],
"subject": "counting",
"level": 2,
"solution": "The red tiles form a group of five.",
},
{
"id": "demo-blue-triangles",
"question": "How many blue triangles are visible?",
"answer": "3",
"image": "images/blue-triangles.png",
"options": ["2", "3", "4"],
"subject": "geometry",
"level": 1,
"solution": "There are three separate blue triangles.",
},
{
"id": "demo-blue-pyramids",
"question": "Which shape appears repeatedly?",
"answer": "triangle",
"image": "images/blue-pyramids.png",
"options": ["circle", "triangle", "square"],
"subject": "geometry",
"level": 2,
"solution": "The repeated blue shapes are triangles.",
},
{
"id": "demo-red-grid",
"question": "Which tile color dominates the grid?",
"answer": "red",
"image": "images/red-grid.png",
"options": ["red", "blue", "green"],
"subject": "pattern",
"level": 2,
"solution": "Most grid cells are red.",
},
{
"id": "demo-green-grid",
"question": "Which tile color dominates this grid?",
"answer": "green",
"image": "images/green-grid.png",
"options": ["red", "blue", "green"],
"subject": "pattern",
"level": 2,
"solution": "Green appears in most grid cells.",
},
{
"id": "demo-number-line",
"question": "Which point is closest to 4?",
"answer": "C",
"image": "images/number-line.png",
"options": ["A", "B", "C"],
"subject": "algebra",
"level": 1,
"solution": "Point C is drawn nearest to the tick labeled 4.",
},
{
"id": "demo-clock",
"question": "Which hour does the short hand point to?",
"answer": "3",
"image": "images/clock.png",
"options": ["2", "3", "4"],
"subject": "measurement",
"level": 1,
"solution": "The shorter hand points toward 3.",
},
]
_draw_red_squares(image_dir / "red-squares.png")
_draw_red_squares_small(image_dir / "red-squares-small.png")
_draw_blue_triangles(image_dir / "blue-triangles.png")
_draw_blue_pyramids(image_dir / "blue-pyramids.png")
_draw_red_grid(image_dir / "red-grid.png")
_draw_green_grid(image_dir / "green-grid.png")
_draw_number_line(image_dir / "number-line.png")
_draw_clock(image_dir / "clock.png")
jsonl_path = output_dir / "demo.jsonl"
with jsonl_path.open("w", encoding="utf-8") as jsonl_file:
for record in records:
jsonl_file.write(json.dumps(record, sort_keys=True))
jsonl_file.write("\n")
return jsonl_path
def _new_canvas() -> Image.Image:
return Image.new("RGB", (420, 280), color=(248, 250, 252))
def _draw_red_squares(path: Path) -> None:
image = _new_canvas()
draw = ImageDraw.Draw(image)
for x, y in [(80, 60), (170, 60), (80, 150), (170, 150)]:
draw.rectangle((x, y, x + 58, y + 58), fill=(220, 38, 38), outline=(127, 29, 29), width=3)
image.save(path)
def _draw_blue_triangles(path: Path) -> None:
image = _new_canvas()
draw = ImageDraw.Draw(image)
triangles = [
[(90, 190), (130, 80), (170, 190)],
[(190, 190), (230, 80), (270, 190)],
[(290, 190), (330, 80), (370, 190)],
]
for triangle in triangles:
draw.polygon(triangle, fill=(37, 99, 235), outline=(30, 64, 175))
image.save(path)
def _draw_red_squares_small(path: Path) -> None:
image = _new_canvas()
draw = ImageDraw.Draw(image)
for x, y in [(78, 54), (148, 54), (218, 54), (112, 134), (184, 134)]:
draw.rectangle((x, y, x + 46, y + 46), fill=(239, 68, 68), outline=(127, 29, 29), width=3)
image.save(path)
def _draw_blue_pyramids(path: Path) -> None:
image = _new_canvas()
draw = ImageDraw.Draw(image)
for x, y, size in [(82, 178, 52), (162, 178, 68), (262, 178, 82)]:
draw.polygon(
[(x, y), (x + size // 2, y - size), (x + size, y)],
fill=(59, 130, 246),
outline=(30, 64, 175),
)
image.save(path)
def _draw_red_grid(path: Path) -> None:
image = _new_canvas()
draw = ImageDraw.Draw(image)
colors = [
(220, 38, 38),
(220, 38, 38),
(22, 163, 74),
(220, 38, 38),
(37, 99, 235),
(220, 38, 38),
]
for index, color in enumerate(colors):
row, column = divmod(index, 3)
x = 92 + column * 82
y = 64 + row * 82
draw.rectangle((x, y, x + 64, y + 64), fill=color, outline=(15, 23, 42), width=2)
image.save(path)
def _draw_green_grid(path: Path) -> None:
image = _new_canvas()
draw = ImageDraw.Draw(image)
colors = [
(22, 163, 74),
(22, 163, 74),
(220, 38, 38),
(22, 163, 74),
(37, 99, 235),
(22, 163, 74),
]
for index, color in enumerate(colors):
row, column = divmod(index, 3)
x = 92 + column * 82
y = 64 + row * 82
draw.rectangle((x, y, x + 64, y + 64), fill=color, outline=(15, 23, 42), width=2)
image.save(path)
def _draw_number_line(path: Path) -> None:
image = _new_canvas()
draw = ImageDraw.Draw(image)
draw.line((62, 148, 358, 148), fill=(15, 23, 42), width=4)
for index in range(6):
x = 62 + index * 59
draw.line((x, 134, x, 162), fill=(15, 23, 42), width=3)
draw.text((x - 5, 170), str(index), fill=(15, 23, 42))
points = [
("A", 174, (37, 99, 235)),
("B", 246, (22, 163, 74)),
("C", 296, (220, 38, 38)),
]
for label, x, color in points:
draw.ellipse((x - 9, 108, x + 9, 126), fill=color)
draw.text((x - 5, 86), label, fill=(15, 23, 42))
image.save(path)
def _draw_clock(path: Path) -> None:
image = _new_canvas()
draw = ImageDraw.Draw(image)
center = (210, 140)
draw.ellipse((100, 30, 320, 250), fill=(255, 255, 255), outline=(15, 23, 42), width=4)
for label, xy in [("12", (199, 48)), ("3", (290, 132)), ("6", (205, 220)), ("9", (120, 132))]:
draw.text(xy, label, fill=(15, 23, 42))
draw.line((center[0], center[1], 282, 140), fill=(220, 38, 38), width=6)
draw.line((center[0], center[1], 210, 68), fill=(37, 99, 235), width=4)
draw.ellipse((202, 132, 218, 148), fill=(15, 23, 42))
image.save(path)
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