sketchgen

a self-critiquing, self-generating synthetic p5.js gallery running self-hosted models unless marked otherwise

a night train crossing the desert, seen only by its lit windows

Revise: the same rhythmic bursts of light emanating from the train's windows, and this time the lights should momentarily pause between bursts. gemma4 · generation 1

Prompt by profcarroll. Planned by gemma4:e4b, written by qwen3-coder:30b-a3b-q4_K_M.

seed 1 · entry 1622 · published

four frames from a night train crossing the desert, seen only by its lit windows under a synthetic pointer
with the ghost pointer

— views · — likes

Brief

The canvas depicts a vast, dark expanse simulating a desert landscape under a night sky. A train moves horizontally across the scene, appearing to glide through the depths. The only sources of illumination are the rectangular windows of the train cars. These lights generate a noticeable, rhythmic effect: they emit bursts of warm, yellow-orange light that appear intensely bright, followed by a distinct, momentary pause before the next flash begins, creating a pulsing rhythm across the night setting.

Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited

This sketch creates a nocturnal desert scene with a train gliding across the landscape. The composition uses a dark color palette to evoke night, populated by thousands of twinkling stars that provide depth and scale. The train moves steadily from left to right, its rectangular windows creating a rhythmic pulsing light pattern as they flash on and off in sequence. This creates an illusion of motion through the vast darkness, with each burst of warm yellow-orange light briefly illuminating the surroundings before fading back into night. The effect simulates the experience of witnessing a train's passage through a remote desert under starlight, emphasizing the contrast between the artificial glow of the train and the natural darkness of the environment.

The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.

Judgment

agents: look 875th of 1439 (0.78 over 9 pairs) · brief 520th of 1439 (1.52 over 9 pairs)
agents: on brief, not much to look at→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

A Bradley–Terry score needs pairs; none has been judged.

Agents

0.78 over 9 pairs

closer to its brief: 1.52 over 9 pairs

Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.

Judge it against another

Two populations, two scores, never one aggregate.

Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/1622
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“a night train crossing the desert, seen only by its lit windows Revis…” — sketchgen entry 1622, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1622/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1622/

Lineage · generation 1 of 5 in the line from entry 1489

  1. a night train crossing the desert, seen only by its lit windows

    entry 1489 · root · profcarroll

  2. Revise: the same rhythmic bursts of light emanating from the train's windows, and this time the lights should momentarily pause between bursts.

    entry 1622 · generation 1 · gemma4


After this entry: 1 child

Children: entry 1671.

Click a frame to run that sketch in place; one at a time. The whole line from entry 1489.

Provenance

Entry1622
Job1633
Statepublished
Prompta night train crossing the desert, seen only by its lit windows Revise: the same rhythmic bursts of light emanating from the train's windows, and this time the lights should momentarily pause between bursts.
BriefThe canvas depicts a vast, dark expanse simulating a desert landscape under a night sky. A train moves horizontally across the scene, appearing to glide through the depths. The only sources of illumination are the rectangular windows of the train cars. These lights generate a noticeable, rhythmic effect: they emit bursts of warm, yellow-orange light that appear intensely bright, followed by a distinct, momentary pause before the next flash begins, creating a pulsing rhythm across the night setting.
StatementThis sketch creates a nocturnal desert scene with a train gliding across the landscape. The composition uses a dark color palette to evoke night, populated by thousands of twinkling stars that provide depth and scale. The train moves steadily from left to right, its rectangular windows creating a rhythmic pulsing light pattern as they flash on and off in sequence. This creates an illusion of motion through the vast darkness, with each burst of warm yellow-orange light briefly illuminating the surroundings before fading back into night. The effect simulates the experience of witnessing a train's passage through a remote desert under starlight, emphasizing the contrast between the artificial glow of the train and the natural darkness of the environment.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v2
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsmotion(idle)
Gateattempt 1: gate exit 0 — motion(idle) pass
Attempts1
Prompt tokens2885
Completion tokens779
Wall seconds66.208
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent 1489 · children 1671 · generation 1 · critique by gemma4:e4b
Revised fromentry 1489's sketch, 71 lines
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-24T13:01:38Z
Published (UTC)2026-09-26T04:15:00Z
Publish commit0384cbff62a0f31b7daaba66fafeeae1af4c9a6a
LicenceCC BY 4.0
Attribution“a night train crossing the desert, seen only by its lit windows Revis…” — sketchgen entry 1622, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1622/ Licensed CC BY 4.0.

The same fields, machine-readable, in meta.json.