Worldbuilding Scene Concept Art: Cinematic Atmospheric Frame with Consistent Characters

Use a low-fidelity scene sketch as the reference input, and let Seedream 4.5's image editing pipeline redraw it into a concept image with cinematic lighting and atmospheric perspective. The core of the approach is to delegate "composition and spatial relationships" to the reference image, and "materials, lighting, atmosphere" to the text instructions: the sketch provides architectural scale, the horizon line, and character positions, while the prompt is responsible for unifying volumetric fog, reflective wet ground, the cool-toned post-rain environment, and the character silhouette into the same worldbuilding color palette. Use cases: early-stage concept exploration for film and games, storyboard atmosphere frames, and scene templates for worldbuilding bibles. Since the input relies on only one reference image, you can repeatedly swap prompts (time of day, weather, light source direction, materials) on the same sketch to quickly compare how the same space reads under different narrative conditions; output is available in 2K and 4K, making it easy to move from quick previews to delivery-grade resolution. The reference sketch in this work was generated by the pipeline and then submitted; the final image was genuinely generated by the author's pipeline, and the input snapshot is a reusable call example.