{
  "version": 2,
  "created": "2026-11-06",
  "items": [
    {
      "id": "renderer",
      "label": "Actual renderer",
      "src": "./assets/mesa-sun/starting-render-v1.png",
      "ground": "./assets/mesa-sun/models-v2/renderer-ground.png",
      "provenance": "./assets/mesa-sun/capture-v1.json",
      "note": "Actual WebGPU capture; the common input for all generated images.",
      "shortNote": "Original 1920 × 1080 GPU capture.",
      "dimensions": [
        1920,
        1080
      ],
      "sha256": "0aa4000f5a545f09854f013f7052c3702414350b8b52b1fff5b62109289847ae",
      "cropPixels": [
        77,
        778,
        1037,
        1037
      ]
    },
    {
      "id": "openai-original",
      "label": "OpenAI / original prompt",
      "src": "./assets/mesa-sun/photographic-target-v1.png",
      "ground": "./assets/mesa-sun/models-v2/openai-original-ground.png",
      "provenance": "./assets/mesa-sun/reference-v1.json",
      "note": "Historical baseline: uniform fine gravel and repeated horizontal ground detail. This image used the earlier prompt.",
      "shortNote": "Earlier prompt; dense sharp gravel and repeated ground detail.",
      "dimensions": [
        1672,
        941
      ],
      "sha256": "87cf095c53ebf8458d10bafeb4a2fd053fe1cc91257026df4c3645abb2cfac04",
      "cropPixels": [
        67,
        678,
        903,
        903
      ]
    },
    {
      "id": "openai-revised",
      "label": "OpenAI / revised prompt",
      "src": "./assets/mesa-sun/models-v2/openai-revised.png",
      "ground": "./assets/mesa-sun/models-v2/openai-revised-ground.png",
      "provenance": "./assets/mesa-sun/models-v2/openai-revised.json",
      "note": "Larger quiet soil patches and fewer stones. Closest overall balance in this sample set, although broad horizontal ground bands and regular cliff beds remain.",
      "shortNote": "Quieter soil and sparse stones; some broad regular bands remain.",
      "dimensions": [
        1672,
        941
      ],
      "sha256": "2f14b739df97d1271786853ba2a0a6b73e7cdedcd2143d2062e049c8fca0fc67",
      "cropPixels": [
        67,
        678,
        903,
        903
      ]
    },
    {
      "id": "flux-2-max",
      "label": "FLUX.2 Max",
      "src": "./assets/mesa-sun/models-v2/flux-2-max.png",
      "ground": "./assets/mesa-sun/models-v2/flux-2-max-ground.png",
      "provenance": "./assets/mesa-sun/models-v2/flux-2-max.json",
      "note": "Varied ground, larger scattered rocks and erosion channels. Sunlight and cast shadow reverse relative to the input; visible fine texture also appears in the sky.",
      "shortNote": "Varied ground; reversed lighting and visible sky texture.",
      "dimensions": [
        2048,
        1152
      ],
      "sha256": "0e64b5b1da2a76b7c5d31991dc7bc067b419f553e6be1df857882009cd664eea",
      "cropPixels": [
        82,
        829,
        1106,
        1106
      ]
    },
    {
      "id": "nano-banana-pro",
      "label": "Nano Banana Pro",
      "src": "./assets/mesa-sun/models-v2/nano-banana-pro.png",
      "ground": "./assets/mesa-sun/models-v2/nano-banana-pro-ground.png",
      "provenance": "./assets/mesa-sun/models-v2/nano-banana-pro.json",
      "note": "Large quiet soil areas and preserved lighting direction. Repeated-looking stone clusters dominate the foreground; the mesa and talus still look somewhat synthetic.",
      "shortNote": "Quiet soil, but conspicuous piles of similarly sized stones.",
      "dimensions": [
        2752,
        1536
      ],
      "sha256": "72cfcfddc7d365855940ab380667f7012d829fed941d84803234d90cd3ea3e13",
      "cropPixels": [
        110,
        1106,
        1486,
        1475
      ]
    },
    {
      "id": "seedream-5-pro",
      "label": "Seedream 5 Pro",
      "src": "./assets/mesa-sun/models-v2/seedream-5-pro.png",
      "ground": "./assets/mesa-sun/models-v2/seedream-5-pro-ground.png",
      "provenance": "./assets/mesa-sun/models-v2/seedream-5-pro.json",
      "note": "Broader, smoother ground with fewer stones and localized talus. Pervasive fine grain, including in the sky, and strong orange contrast remain.",
      "shortNote": "Broad smooth areas; fine grain and strong orange contrast.",
      "dimensions": [
        2048,
        1152
      ],
      "sha256": "ede04cd2e7041ac4c3cc7ef27496015bf6dce336dfea21308ee0f204084df856",
      "cropPixels": [
        82,
        829,
        1106,
        1106
      ]
    }
  ],
  "prompt": "./assets/mesa-sun/model-study-v2-prompt.json",
  "scope": "One revised image per model. Common input and wording; provider-specific settings. Original OpenAI is an earlier-prompt baseline. This is a visual direction study, not a general model benchmark.",
  "crop": {
    "normalizedRectangle": [
      0.04,
      0.72,
      0.54,
      0.96
    ],
    "displayPixels": [
      800,
      216
    ],
    "filter": "Lanczos",
    "sharpening": false,
    "sourceImagesRetouched": false
  },
  "summary": "None of these samples fully solves the ground. The revised OpenAI result is my provisional overall preference because its quieter soil and restrained stone density fit the brief. That is a subjective review of these particular samples, not a general model ranking. The original baseline remains available so the prompt change can be judged separately.",
  "review": [
    {
      "title": "OpenAI / original → revised",
      "text": "The revised prompt reduces the uniform pebble blanket and adds quiet sediment patches. Some broad horizontal bands still read as repeated structure, and the cliff geology remains regular."
    },
    {
      "title": "FLUX.2 Max",
      "text": "The ground gains broad variation and irregular channels. This sample flips the sunlight and shadow direction and adds a canvas-like fine texture to the sky, so it is a poor matched lighting reference."
    },
    {
      "title": "Nano Banana Pro",
      "text": "Lighting stays closer to the input and the soil is less busy. Stones collect into conspicuous repeated-looking islands, while the cliff and apron remain smooth enough to suggest CGI."
    },
    {
      "title": "Seedream 5 Pro",
      "text": "The plain contains broader low-detail areas and fewer scattered rocks. Fine grain remains nearly everywhere, including the sky, and the stronger orange contrast makes the result feel processed."
    },
    {
      "title": "How to judge the next iteration",
      "text": "Look for irregular broad soil forms with sparse stones, finer texture that disappears with distance, and no grain or sharpening used as a substitute for material structure. Keep the original camera and sun direction."
    }
  ]
}