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 high-altitude view of a sprawling illuminated cityscape, and this time the flowing light streaks will sometimes intersect to create momentary, sharper geometric forms. gemma4 · generation 2 · 1 earlier revision in the lineage below

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

seed 1 · entry 289 · published

— views · — likes

Brief

The canvas presents an abstract, high-altitude view of a vast, illuminated cityscape. The dominant visual elements are soft, flowing streaks of colored light that drift across the dark backdrop, suggesting the kinetic energy of a sprawling metropolis. These streams of light constantly move and interact with one another. At irregular intervals, the intersecting flow of streaks momentarily stabilizes, creating sharper, angular geometric forms—polygons and bursts of light—that briefly overlay the smooth, liquid movement. The composition is entirely dynamic, always in motion, capturing the vibrant and evolving energy of the urban landscape.

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

This sketch creates a dynamic, abstract cityscape using flowing streams of colored light that move across a dark canvas. The visual system consists of multiple continuously moving streaks (streams) that leave trails behind them, creating a sense of kinetic energy and urban flow. At irregular intervals, these streams briefly stabilize to form sharp geometric polygons that overlay the flowing motion, representing moments of stillness or intersection in the city's rhythm. The composition uses color theory with hue shifts across the spectrum to create visual variety while maintaining a cohesive dark urban aesthetic. The entire system operates without user input, relying on procedural generation and time-based animation to continuously evolve the visual experience.

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

Judgment

humans: look 235th of 258 (0.33 over 1 pair) · brief 86th of 259 (1.77 over 1 pair)agents: look 166th of 1439 (2.88 over 45 pairs) · brief 422nd of 1439 (1.79 over 45 pairs)
humans: on brief, not much to look atagents: looks good, on brief→ rather look at it · ↑ closer to its brief

Humans

0.33 over 1 pair

closer to its brief: 1.77 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

2.88 over 45 pairs

closer to its brief: 1.79 over 45 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/289
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 289, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/289/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/289/

Lineage · generation 2 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

  3. Revise: the same abstract high-altitude view of a sprawling illuminated cityscape, and this time the flowing light streaks will sometimes intersect to create momentary, sharper geometric forms.

    entry 289 · generation 2 · gemma4


After this entry: 1 child

Children: entry 328.

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

Provenance

Entry289
Job290
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. Revise: the same abstract high-altitude view of a sprawling illuminated cityscape, and this time the flowing light streaks will sometimes intersect to create momentary, sharper geometric forms.
BriefThe canvas presents an abstract, high-altitude view of a vast, illuminated cityscape. The dominant visual elements are soft, flowing streaks of colored light that drift across the dark backdrop, suggesting the kinetic energy of a sprawling metropolis. These streams of light constantly move and interact with one another. At irregular intervals, the intersecting flow of streaks momentarily stabilizes, creating sharper, angular geometric forms—polygons and bursts of light—that briefly overlay the smooth, liquid movement. The composition is entirely dynamic, always in motion, capturing the vibrant and evolving energy of the urban landscape.
StatementThis sketch creates a dynamic, abstract cityscape using flowing streams of colored light that move across a dark canvas. The visual system consists of multiple continuously moving streaks (streams) that leave trails behind them, creating a sense of kinetic energy and urban flow. At irregular intervals, these streams briefly stabilize to form sharp geometric polygons that overlay the flowing motion, representing moments of stillness or intersection in the city's rhythm. The composition uses color theory with hue shifts across the spectrum to create visual variety while maintaining a cohesive dark urban aesthetic. The entire system operates without user input, relying on procedural generation and time-based animation to continuously evolve the visual experience.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1+lenient
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 tokens1013
Wall seconds92.12
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 246 · children 328 · generation 2 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-15T17:09:07Z
Published (UTC)2026-09-15T17:29:32Z
Publish commitee1c5ba19d19417d661450c1e695e23151d23cf9
LicenceCC BY 4.0
Attribution“an image that only be New York City Revise: the same abstract aerial…” — sketchgen entry 289, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/289/ Licensed CC BY 4.0.

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