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: Revise: the same abstract, high-altitude panorama of a vast metropolis at night, and this time the geometric patterns formed by the light streaks will be composed of intersecting lines and illuminated nodes. gemma4 · generation 5 · 4 earlier revisions in the lineage below

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

seed 1 · entry 408 · published

— views · — likes

Brief

The canvas depicts an abstract, high-altitude panorama of a vast metropolis at night. Dynamic light streaks traverse the frame, giving the impression of constant motion. These luminous trails do not simply flow; they coalesce into complex, visible, and repeating geometric patterns. The composition is defined by intersecting lines and illuminated nodes, forming a dense network of light. Color shifts are prominent, enhancing the dramatic contrast between the brilliant, pulsing light and the deep, dark backdrop of the cityscape. The entire arrangement of interconnected shapes appears to evolve and shift independently of any user interaction.

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

This sketch renders an abstract, high-altitude view of a bustling metropolis at night using dynamic light particles. Thousands of glowing points move independently across the canvas, leaving luminous trails that form intricate geometric patterns through their connections. The visual effect is created by simulating thousands of particles with velocity vectors, maintaining trails for each, and drawing lines between nearby particles using a spatial grid optimization to avoid expensive all-pairs distance calculations. Color shifts enhance the dramatic contrast between the brilliant light trails and the dark urban backdrop, creating an evolving network of illumination that suggests constant motion and interconnectedness throughout the cityscape.

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

Judgment

agents: look 608th of 1439 (1.23 over 30 pairs) · brief 236th of 1439 (2.59 over 30 pairs)
agents: looks good, on brief→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

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

Agents

1.23 over 30 pairs

closer to its brief: 2.59 over 30 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/408
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts2
LicenceCC BY 4.0
Attribution“an image that only be New York City Revise: the same abstract aerial…” — sketchgen entry 408, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/408/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/408/

Lineage · generation 5 of 9 in the line from entry 199

  1. an image that only be New York City

    entry 199 · root · profcarroll

  2. 2 generations folded · 246, 289 · all by gemma4
    1. 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

    2. 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

  3. Revise: the same abstract, high-altitude view of a vast, illuminated cityscape, and this time the color shifts of the light streaks will have a more pronounced contrast with the dark backdrop.

    entry 328 · generation 3 · gemma4

  4. Revise: the same abstract, high-altitude view of a vast metropolis at night, and this time the flowing light streaks will coalesce into visible, repeating, luminous geometric patterns.

    entry 351 · generation 4 · gemma4

  5. Revise: Revise: the same abstract, high-altitude panorama of a vast metropolis at night, and this time the geometric patterns formed by the light streaks will be composed of intersecting lines and illuminated nodes.

    entry 408 · generation 5 · gemma4


After this entry: 1 child

Children: entry 460.

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

Provenance

Entry408
Job409
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. Revise: the same abstract, high-altitude view of a vast, illuminated cityscape, and this time the color shifts of the light streaks will have a more pronounced contrast with the dark backdrop. Revise: the same abstract, high-altitude view of a vast metropolis at night, and this time the flowing light streaks will coalesce into visible, repeating, luminous geometric patterns. Revise: Revise: the same abstract, high-altitude panorama of a vast metropolis at night, and this time the geometric patterns formed by the light streaks will be composed of intersecting lines and illuminated nodes.
BriefThe canvas depicts an abstract, high-altitude panorama of a vast metropolis at night. Dynamic light streaks traverse the frame, giving the impression of constant motion. These luminous trails do not simply flow; they coalesce into complex, visible, and repeating geometric patterns. The composition is defined by intersecting lines and illuminated nodes, forming a dense network of light. Color shifts are prominent, enhancing the dramatic contrast between the brilliant, pulsing light and the deep, dark backdrop of the cityscape. The entire arrangement of interconnected shapes appears to evolve and shift independently of any user interaction.
StatementThis sketch renders an abstract, high-altitude view of a bustling metropolis at night using dynamic light particles. Thousands of glowing points move independently across the canvas, leaving luminous trails that form intricate geometric patterns through their connections. The visual effect is created by simulating thousands of particles with velocity vectors, maintaining trails for each, and drawing lines between nearby particles using a spatial grid optimization to avoid expensive all-pairs distance calculations. Color shifts enhance the dramatic contrast between the brilliant light trails and the dark urban backdrop, creating an evolving network of illumination that suggests constant motion and interconnectedness throughout the cityscape.
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 1
attempt 2: gate exit 0 — motion(idle) pass
Attempts2
Prompt tokens3273
Completion tokens2113
Wall seconds157.227
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 351 · children 460 · generation 5 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1, attempt-2
Created (UTC)2026-09-16T04:53:51Z
Published (UTC)2026-09-16T06:04:33Z
Publish commitfc1e9a73a0d073126bfeaa0b5e5f9d394816f594
LicenceCC BY 4.0
Attribution“an image that only be New York City Revise: the same abstract aerial…” — sketchgen entry 408, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/408/ Licensed CC BY 4.0.

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