antigravity-skills-reference/skills/stability-ai/references/prompt-engineering.md

Prompt Engineering para Stable Diffusion

Indice

1. Estrutura do Prompt
2. Qualificadores de Qualidade
3. Iluminacao
4. Composicao
5. Estilos Artisticos
6. Negative Prompts
7. Tecnicas Avancadas
8. Exemplos por Categoria

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Estrutura do Prompt

Stable Diffusion responde melhor a prompts estruturados em camadas:

[assunto principal], [detalhes visuais], [estilo], [iluminacao], [qualidade], [camera/tecnica]

Cada camada adiciona especificidade. Comece pelo assunto e va adicionando detalhes.

Bom:

a warrior princess in golden armor, intricate filigree details,
fantasy art style, dramatic rim lighting, 8k uhd, highly detailed

Ruim:

princess

Qualificadores de Qualidade

Adicione ao final do prompt para melhorar a qualidade geral:

Alta Qualidade

• masterpiece, best quality
• highly detailed, ultra detailed
• 8k uhd, high resolution
• sharp focus, crisp details
• professional, award-winning

Renderizacao

• ray tracing, global illumination
• physically based rendering
• subsurface scattering
• volumetric lighting

Fotografia

• shot on Canon EOS R5
• 85mm f/1.4 lens
• DSLR quality
• film grain, Kodak Portra 400

Iluminacao

A iluminacao define o humor da imagem:

Tipo	Efeito	Uso
natural lighting	Suave, realista	Cenas externas
golden hour	Quente, dourado	Retratos, paisagens
dramatic lighting	Alto contraste	Acao, drama
rim lighting	Contorno brilhante	Retratos artisticos
studio lighting	Uniforme, profissional	Produtos, retratos
neon lighting	Colorido, urbano	Cyberpunk, noturno
candlelight	Quente, intimo	Cenas intimistas
moonlight	Frio, misterioso	Noturno, fantasy
chiaroscuro	Extremo claro/escuro	Classico, dramatico
backlit	Silhueta, halo	Artistico
volumetric fog	Atmosferico	Fantasy, horror

Composicao

Controle o enquadramento e perspectiva:

Termo	Efeito
close-up portrait	Rosto em destaque
full body shot	Corpo inteiro
wide angle	Panoramico, expansivo
bird's eye view	Vista aerea
low angle	De baixo para cima (poder)
dutch angle	Inclinado (tensao)
symmetrical	Simetria central
rule of thirds	Composicao classica
depth of field	Fundo desfocado
macro	Extremo close-up

Estilos Artisticos

Por Movimento

• art nouveau — Curvas organicas, decorativo
• art deco — Geometrico, luxuoso
• impressionism — Pinceladas visiveis
• surrealism — Surrealista, onírico
• baroque — Dramatico, ornamentado
• romanticism — Emocional, natureza

Por Midia

• oil painting — Classico, textural
• watercolor — Suave, fluido
• pencil sketch — Monocromatico, linhas
• digital painting — Limpo, detalhado
• vector art — Formas limpas, flat
• pixel art — Retro, blocky
• 3d render — Volumetrico, realista

Por Referencia

• trending on artstation — Alta qualidade digital
• unreal engine 5 — Fotorrealista 3D
• octane render — Render premium
• studio ghibli — Anime japones classico

Negative Prompts

Negative prompts removem elementos indesejados. A skill aplica automaticamente por estilo, mas voce pode adicionar com --negative-prompt.

Universais (bons para quase tudo)

low quality, blurry, distorted, deformed, ugly,
bad anatomy, bad proportions, extra limbs,
watermark, text, signature, logo

Para Fotorrealismo

cartoon, anime, painting, illustration,
drawing, cgi, render, sketch, comic

Para Arte

photo, photograph, realistic, 3d render,
low quality, amateur

Para Rostos

deformed face, ugly face, bad eyes,
cross-eyed, asymmetric face, extra fingers

Tecnicas Avancadas

Peso de Palavras

Alguns modelos suportam peso entre parenteses:

(masterpiece:1.4), (beautiful:1.2), landscape

Maior peso = mais enfase nesse elemento.

Prompt Mixing

Combine estilos para resultados unicos:

cyberpunk city, art nouveau architecture, neon lights,
watercolor style with digital art details

Descricao Progressiva

Comece amplo, va afunilando:

epic landscape, mountain range at sunset,
snow-capped peaks reflecting golden light,
a lone traveler on a winding path below,
fantasy art, dramatic clouds, volumetric lighting

Mood Words

Palavras que definem o tom emocional:

• serene, peaceful, calm — Tranquilo
• epic, grand, majestic — Epico
• dark, moody, ominous — Sombrio
• whimsical, playful, fun — Divertido
• ethereal, dreamy, mystical — Onirico
• gritty, raw, intense — Intenso

Exemplos por Categoria

Retrato Artistico

a young woman with flowing red hair, wind-blown,
freckles, green eyes, wearing a flower crown,
oil painting style, warm golden hour lighting,
masterpiece, highly detailed, soft focus background

Paisagem Fantasy

floating islands above clouds, waterfalls cascading into void,
ancient temple ruins with glowing runes, bioluminescent plants,
epic fantasy landscape, dramatic sunset, volumetric god rays,
concept art, matte painting, 8k uhd

Sci-Fi Ambiente

neon-lit cyberpunk alley in rain, holographic advertisements,
steam rising from grates, lone figure with umbrella,
blade runner aesthetic, moody atmosphere, reflections on wet ground,
cinematic composition, anamorphic lens flare

Produto/Objeto

luxury wristwatch on marble surface,
crystal clear details, metal and glass textures,
professional product photography, studio lighting,
shallow depth of field, 4k, commercial quality

Game Asset

crystal sword with ice enchantment,
glowing blue runes along the blade, ornate silver handle,
game item concept art, clean background,
multiple angle views, pixel-perfect details

Poster/Cover

epic dragon perched on mountain peak, wings spread wide,
medieval castle in valley below, army approaching,
cinematic movie poster composition, dramatic sky,
bold contrast, fantasy art, highly detailed illustration