Trong bài học này, chúng ta sẽ cùng khám phá cách tạo tranh tô màu với ChatGPT
Quan trọng: Tạo hình Foregound (tiền cảnh) và hình Background (hậu cảnh) riêng biệt. Sau đó mix 2 hình ảnh lại với nhau để tạo hình ảnh mới.
Truy cập https://chatgpt.com hoặc https://chat.openai.com/
Bước 1: Chọn
"Explore GPTs" bên trái màn hình > Tìm kiếm GPT "Coloring
Book Hero"
Bước 2: Tạo ảnh
Foreground và Background
- Copy prompt mẫu ở cuối bài học này
- Paste prompt vào GPT "Coloring Book Hero".
Phiên bản free sẽ thỉnh thoảng lag. Bạn chờ 1 lúc rồi thử lại.
- Download cả 2 ảnh về.
Bước 3: Sử dụng phần
mềm Gimp để xóa phông nền của ảnh Foreground
- Download và cài đặt Gimp tại: https://www.gimp.org
- File > Open. Chọn ảnh bạn muốn xóa phông nền
- Layer > Transparency > Add Alpha Channel
- Chọn biểu tượng “Cây đũa thần” (Wand). Tên công cụ
này là "Fuzzy Select Tool" (phím tắt "U")
- Ấn phím "Delete" để xóa phông. Tìm kỹ các
khoảng trống trong hình để xóa phông.
- File > Export As
Các công cụ được sử dụng trong hướng dẫn:
https://chat.openai.com/
https://www.gimp.org/
Các prompt dùng cho ChatGPT:
FOREGROUND PROMPT:
1. **Mystical Wizard (300 DPI, Vector Image, Line Art Only, No Shading, Dither,
or Color)**: Create a detailed line art illustration of a wise wizard with a
detailed robe and staff at 300 DPI as a vector image. The design should be
suitable for coloring, with no backgrounds, shading, dithering, or color,
ensuring high-quality print and scalability.
2. **Space Explorer (300 DPI, Vector Image, Line Art Only, No Shading, Dither,
or Color)**: Design a line drawing of a futuristic astronaut in a sleek space
suit, at 300 DPI as a vector image. The illustration should be prepared for
coloring, free of backgrounds, shading, dithering, or color, and scalable for
any size.
3. **Fantasy Warrior (300 DPI, Vector Image, Line Art Only, No Shading, Dither,
or Color)**: Illustrate a warrior in ornate armor wielding a detailed sword in
clean line art, at 300 DPI as a vector image. The design must be clear for
coloring, without backgrounds, shading, dithering, or color, allowing for
crisp, clear prints at any scale.
4. **Steampunk Inventor (300 DPI, Vector Image, Line Art Only, No Shading,
Dither, or Color)**: Sketch a steampunk inventor with goggles and mechanical
accessories in detailed line art, at 300 DPI as a vector image. The drawing
should exclude backgrounds, shading, dithering, or color, optimized for
high-quality coloring and scalability.
5. **Enchanted Mermaid (300 DPI, Vector Image, Line Art Only, No Shading,
Dither, or Color)**: Create a mermaid with detailed scales and jewelry in pure
line art, at 300 DPI as a vector image. Ensure the illustration is ready for
coloring, devoid of backgrounds, shading, dithering, or color, suitable for
quality print and resizing.
6. **Dragon Hatchling (300 DPI, Vector Image, Line Art Only, No Shading,
Dither, or Color)**: Illustrate a baby dragon next to a cracked eggshell in
line art, at 300 DPI as a vector image. The drawing should be suitable for
coloring, with no backgrounds, shading, dithering, or color, ensuring it can be
scaled up for various print formats.
7. **Fairy Tale Princess (300 DPI, Vector Image, Line Art Only, No Shading,
Dither, or Color)**: Design a line art drawing of a princess with a detailed
gown and tiara, at 300 DPI as a vector image. The illustration should be clear
for coloring, devoid of backgrounds, shading, dithering, or color, optimized
for high-resolution printing and scalability.
8. **Robot Companion (300 DPI, Vector Image, Line Art Only, No Shading, Dither,
or Color)**: Depict a robot with panels, buttons, and lights in clean line art,
at 300 DPI as a vector image. The design should be prepared for coloring,
without backgrounds, shading, dithering, or color, suitable for crisp, detailed
prints at any size.
9. **Magical Unicorn (300 DPI, Vector Image, Line Art Only, No Shading, Dither,
or Color)**: Sketch a unicorn with a flowing mane, tail, and spiraled horn in
line art, at 300 DPI as a vector image. The drawing must exclude backgrounds,
shading, dithering, or color, making it suitable for high-quality coloring and
scalability.
10. **Ancient Tree Spirit (300 DPI, Vector Image, Line Art Only, No Shading,
Dither, or Color)**: Illustrate a tree spirit character with branches for arms
and leaves for hair, in line art, at 300 DPI as a vector image. Ensure the
design is ready for coloring, free of backgrounds, shading, dithering, or
color, ensuring it can be printed clearly at any scale.
BACKGROUND PROMPT:
1. **Enchanted Forest (300 DPI, Vector Image, Line Art Only, No Shading,
Dither, or Color)**: Create a detailed line art illustration of a dense,
magical forest scene at 300 DPI as a vector image. Focus on ancient trees,
twisting vines, exotic flowers, and hidden clearings, ensuring the design is
suitable for high-quality coloring and scalable printing without any shading,
dithering, or color.
2. **Underwater Kingdom (300 DPI, Vector Image, Line Art Only, No Shading,
Dither, or Color)**: Design a line art drawing of the ocean floor bustling with
life, including coral reefs, seaweed forests, and sunken treasures, at 300 DPI
as a vector image. The artwork should be ready for coloring, free of shading,
dithering, or color, and scalable for any size.
3. **Mountain Landscape (300 DPI, Vector Image, Line Art Only, No Shading,
Dither, or Color)**: Illustrate a majestic mountain range with meadows, lakes,
and rivers in clean line art, at 300 DPI as a vector image. The scene should be
prepared for coloring without shading, dithering, or color, ensuring it can be
printed clearly at any scale.
4. **City Skyline at Night (300 DPI, Vector Image, Line Art Only, No Shading,
Dither, or Color)**: Sketch a detailed line art of a bustling city skyline with
skyscrapers, bridges, and streets, at 300 DPI as a vector image. Include
engaging patterns for buildings and lights, designed for coloring without
shading, dithering, or color, and suitable for high-resolution printing and
resizing.
5. **Garden Oasis (300 DPI, Vector Image, Line Art Only, No Shading, Dither, or
Color)**: Create a serene garden scene in line art, featuring a variety of
flowers, plants, and a pond or fountain, at 300 DPI as a vector image. Ensure
the illustration is ready for coloring, devoid of shading, dithering, or color,
optimized for quality print and scalability.
Bài tập:
- Tạo 2 ảnh Foreground và Background.
- Cài đặt và dùng Gimp để xóa phông nền ảnh
Foreground.
- Post thành phẩm của bạn vào trong nhóm.
- Ghi nhận cảm xúc của bạn.