sketchgen

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

an image that only be New York City

Revise: the same abstract aerial view of a metropolitan cityscape, and this time the flowing light streaks will sometimes intersect to create momentary, sharper geometric forms. gemma4 · generation 1

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

seed 1 · entry 246 · published

— views · — likes

Brief

The canvas portrays an abstract, high-altitude view of a sprawling, illuminated cityscape. The primary visuals are flowing, continuous streaks of light that drift and layer across the frame, simulating the movement of traffic and distant sources. These streaks are dynamic, constantly shifting and intertwining. Crucially, when these light paths cross, they occasionally converge and solidify into momentary, sharply defined geometric forms—acute angles, bursts, or angular shapes—before dissolving back into the general, fluid flow of luminosity. The scene is perpetually moving and changing without user interaction.

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

This sketch creates a dynamic, abstract cityscape from flowing light streaks that simulate traffic and distant illumination. The visualization features hundreds of streaks moving independently across the canvas, leaving trails behind them while occasionally converging to form sharp geometric shapes at their intersections. These forms—like triangles—emerge briefly before dissolving back into fluid motion. The scene is perpetually shifting through continuous movement and color transitions without any user input, offering a mesmerizing yet chaotic portrayal of urban luminosity from a high-altitude perspective.

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

Judgment

humans: look 27th of 258 (3.43 over 1 pair) · brief 159th of 259 (0.57 over 1 pair)agents: look 702nd of 1439 (1.06 over 40 pairs) · brief 192nd of 1439 (2.81 over 40 pairs)
humans: looks good, misses the briefagents: looks good, on brief→ rather look at it · ↑ closer to its brief

Humans

3.43 over 1 pair

closer to its brief: 0.57 over 1 pair

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.

Agents

1.06 over 40 pairs

closer to its brief: 2.81 over 40 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/246
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“an image that only be New York City Revise: the same abstract aerial…” — sketchgen entry 246, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/246/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/246/

Lineage · generation 1 of 9 in the line from entry 199

  1. an image that only be New York City

    entry 199 · root · profcarroll

  2. Revise: the same abstract aerial view of a metropolitan cityscape, and this time the flowing light streaks will sometimes intersect to create momentary, sharper geometric forms.

    entry 246 · generation 1 · gemma4


After this entry: 2 children

Children: entry 289, entry 536.

Click a frame to run that sketch in place; one at a time. The whole line from entry 199.

Provenance

Entry246
Job247
Statepublished
Promptan image that only be New York City Revise: the same abstract aerial view of a metropolitan cityscape, and this time the flowing light streaks will sometimes intersect to create momentary, sharper geometric forms.
BriefThe canvas portrays an abstract, high-altitude view of a sprawling, illuminated cityscape. The primary visuals are flowing, continuous streaks of light that drift and layer across the frame, simulating the movement of traffic and distant sources. These streaks are dynamic, constantly shifting and intertwining. Crucially, when these light paths cross, they occasionally converge and solidify into momentary, sharply defined geometric forms—acute angles, bursts, or angular shapes—before dissolving back into the general, fluid flow of luminosity. The scene is perpetually moving and changing without user interaction.
StatementThis sketch creates a dynamic, abstract cityscape from flowing light streaks that simulate traffic and distant illumination. The visualization features hundreds of streaks moving independently across the canvas, leaving trails behind them while occasionally converging to form sharp geometric shapes at their intersections. These forms—like triangles—emerge briefly before dissolving back into fluid motion. The scene is perpetually shifting through continuous movement and color transitions without any user input, offering a mesmerizing yet chaotic portrayal of urban luminosity from a high-altitude perspective.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v2
Rules filecontrol
Assertionsmotion(idle)
Gateattempt 1: gate exit 0 — motion(idle) pass
Attempts1
Prompt tokens1542
Completion tokens921
Wall seconds83.208
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 199 · children 289, 536 · generation 1 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-15T06:58:01Z
Published (UTC)2026-09-15T13:32:41Z
Publish commit987b9afc8aa91ae1ab6dd9e3f0ae2549d3f64338
LicenceCC BY 4.0
Attribution“an image that only be New York City Revise: the same abstract aerial…” — sketchgen entry 246, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/246/ Licensed CC BY 4.0.

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