Research/Terra/ 621471
Task evidence / geographic-heatmap

Make a heatmap of seaport density along the Pacific coast of South America

FailComputational taskUnpublished draft
Download evidence JSON ↓

The question

621471
Make a heatmap of seaport density along the Pacific coast of South America
Exact submitted task and declared adaptations
Make a heatmap of seaport density along the Pacific coast of South America

Task conventions: Use supplied point records with COUNTRY in ["Chile", "Peru", "Ecuador", "Colombia"]. Use the reference's country-attribute approximation: ports whose COUNTRY is Chile, Peru, Ecuador or Colombia. This includes the full supplied port inventory in those countries, not a measured coastal buffer. Count each port with unit weight; FACID_NUM is an identifier, not port size or density. The source reference uses that identifier as a weight; this protocol explicitly corrects that dimensional error. Use original point records and the declared attribute/raster selection; do not infer a separate geographic boundary. Unknown country indicators, nonpositive ratio denominators, missing geometry and missing/nonfinite weights are unknown, not zero. Known zero weights remain valid. Exclude valid points outside the specified geography. Include only eligible points with a finite nonnegative weight in the contributing artifact; report other potentially eligible points as unknown. Use this explicit geographic heatmap convention: grid={"bounds": [-18000000, -7325000, 18000000, 7325000], "crs": "EPSG:6933", "resolutionX": 25000, "resolutionY": 25000}, radius 150000 metres = three Gaussian standard deviations. First bin each point into its containing grid cell and sum its weight. Smooth using a normalized separable Gaussian, numerical support four standard deviations, constant-zero exterior; do not renormalize edges. Use both grid resolutions for the two axes; keep original grid alignment. This is a declared metric raster adaptation to the original interactive screen-pixel heatmap, not an equivalent zoom-dependent rendering. Output unit: events per grid cell. Zero cells are valid; this is not density per square kilometre. Do not rescale the values for presentation.



Add the heatmap raster to the map and retain an inspectable selected-point artifact with original geometry and benchmark_row_id. End with one fenced JSON object: {count: contributing point records, unknown_count: records with unknown eligibility or weight, unlocated_count: original points lacking valid geometry, coverage_note: string, selection: {collectionId,itemId,assetKey}, density: {collectionId,itemId,assetKey}, map_layer_id: heatmap_layer_id}. Explain the data edition, numerical weights, grid, smoothing and coverage limitations. The source-point artifact is not itself the requested heatmap.

Delivery format: provide the answer object with all fields specified above as final_response on assess_result, alongside the inspected final artifact_refs. This replaces the JSON-code-block formatting requirement above. Blue attaches your explicit selection to the accepted final answer. Finish with a concise ordinary-language answer agreeing with that selected result; do not duplicate the JSON in chat.

Supplied immutable inputs:
[
  {
    "name": "Latin American mineral-exporting seaports",
    "edition": "USGS OFR 2017-1079 frozen benchmark compilation",
    "units": {},
    "collectionId": "blue-generated--[resource id withheld]",
    "itemId": "[resource id withheld]",
    "assetKey": "data"
  }
]

Outcome & verification

Heatmap units do not match the declared weights per cell.

Duration
19m 16s
Recorded Blue tool calls
46
Total tokens
2,544,655
Model cost
Not recorded
Application revision
d50497ea9084f29c91b05406688f87035df98d8a
Release
terra-geobenchx-v1

Recorded final answer

Done — the heatmap is on your map, and the contributing-point artifact is saved for inspection. It uses the USGS OFR 2017-1079 frozen benchmark compilation, counts 94 eligible port records once each with unit weight 1, bins them to the fixed EPSG:6933 25 km grid, and smooths with a 150 km Gaussian. Values are events per grid cell, not per square kilometre. Limits: the scope comes only from the source COUNTRY field for Chile, Peru, Ecuador, and Colombia, not from a measured coastal boundary, and constant-zero edge handling can reduce mass near the grid edge. Next: review the heatmap layer, or inspect the selected points to trace hotspots back to individual benchmark_row_id records. ### Limitations - Source edition: USGS OFR 2017-1079 frozen benchmark compilation hosted by Blue; this is not a live port inventory. - Geographic eligibility follows the source COUNTRY attribute for Chile, Peru, Ecuador, and Colombia; this is the requested approximation, not a measured coastal boundary. - Heatmap values are Gaussian-smoothed events per 25 km EPSG:6933 grid cell; they are not density per square kilometre, and constant-zero edge handling can reduce mass near grid edges.

Independent checks

These checks are separate from the agent's own assessment. A successful job or an assertion of success is not enough to pass.

Expected count
94
Reported count
94
Computation verified
No
Answer fulfilled
No
Full grading and rubric record
{
  "expectedCount": 94,
  "actualCount": 94,
  "expectedMetrics": null,
  "actualMetrics": null,
  "computationCorrect": false,
  "answerFulfilled": false,
  "adjudication": null,
  "qualification": null,
  "reasons": [
    "Heatmap units do not match the declared weights per cell."
  ]
}

Recorded investigation findings

The agent's reported hypotheses and assessments, retained as evidence of its process—not independent proof that the answer is correct. Failed calls retain their requested verdict, not an accepted assessment.

run_trial · completed

Do the supplied seaport points expose the fields needed for the country filter, constant unit weighting, and retained benchmark_row_id selection?

assess_trial · completed · assessment: sufficient

The supplied benchmark source has 230 valid Point records and exposes COUNTRY, FACID_NUM, and benchmark_row_id. COUNTRY has no nulls in the inspected source summary, so eligibility can be determined by the source attribute, and benchmark_row_id can be retained in the selected-point artifact.

run_trial · completed

Does the exact requested method produce a valid fixed-grid seaport heatmap and an inspectable selected-point artifact for Chile, Peru, Ecuador, and Colombia?

assess_trial · completed · assessment: sufficient

The exact requested method succeeded on the full declared grid. The selected-point artifact contains 94 valid Point records, retains benchmark_row_id, and has unit_weight=1.0 for all selected records with no null unit weights. The density raster uses EPSG:6933 bounds [-18000000,-7325000,18000000,7325000], resolution 25000 by 25000 metres, radius 150000 metres, four-sigma kernel truncation, constant-zero exterior, and nonnegative values in sum of events per grid cell. The preview shows the expected concentration along the Pacific coast of western South America. Producer observations report usedPointCount 94, outsideGridCount 0, and unknownWeightCount 0.

assess_result · failed · requested assessment: sufficient

I delivered the requested fixed-grid seaport heatmap and kept the contributing benchmark points inspectable. The delivered point artifact contains 94 contributing records with original Point geometry, benchmark_row_id, and unit_weight=1. The delivered raster is on the requested EPSG:6933 grid with 25 km cells and 150 km Gaussian smoothing, and the map layer is already bound to the current map. Source inspection of the full 230-record benchmark found no null COUNTRY values and no invalid geometries, so unknown_count is 0 and unlocated_count is 0; the remaining 136 valid records are outside the requested country approximation and were excluded.

assess_result · completed · assessment: sufficient

I delivered the requested fixed-grid seaport heatmap and kept the contributing benchmark points inspectable. The delivered point artifact contains 94 contributing records with original Point geometry, benchmark_row_id, and unit_weight=1. The delivered raster is on the requested EPSG:6933 grid with 25 km cells and 150 km Gaussian smoothing, and the heatmap layer is already bound to the current map. Source inspection of the full 230-record benchmark found no null COUNTRY values and no invalid geometries, so unknown_count is 0 and unlocated_count is 0; the remaining 136 valid records are outside the requested country approximation and were excluded.

Recorded workflow

  1. 01

    Assign unit weight

    Recorded vector-field-calculate · succeeded

  2. 02

    Contributing seaport points

    Recorded output · succeeded

  3. 03

    Seaport density heatmap

    Recorded output · succeeded

  4. 04

    Seaport heatmap

    Recorded point-density · succeeded

  5. 05

    Select requested countries

    Recorded vector-filter · succeeded

  6. 06

    Supplied port benchmark

    Recorded source · succeeded

  7. 07

    Assign unit weight

    Recorded vector-field-calculate · succeeded

  8. 08

    Seaport heatmap

    Recorded point-density · succeeded

  9. 09

    Select requested countries

    Recorded vector-filter · succeeded

  10. 10

    Supplied port benchmark

    Recorded source · succeeded

  11. 11

    Assign unit weight

    Recorded output · succeeded

  12. 12

    Seaport heatmap

    Recorded output · succeeded

  13. 13

    Supplied port benchmark

    Recorded source · succeeded

  14. 14

    Supplied port benchmark

    Recorded output · succeeded

Activity

Recorded actions

Recorded observable actions only, not private reasoning. Raw payloads, geometry, private links and credentials are omitted; full evidence is retained privately. Activity/workflow lists bounded at 500 entries.

  1. Progress update

    I’m checking the saved analysis context, the supplied port dataset, and the raster/map tools I can use for a tested heatmap workflow.

  2. Progress update

    I found the Blue geospatial tools. Next I’m inspecting the supplied port dataset and the available processors so I can build the heatmap with the exact grid, weights, and edge behavior you specified.

  3. get_analysis

    Recorded tool call · completed

  4. get_tool_help

    Recorded tool call · completed

  5. get_tool_help

    Recorded tool call · completed

  6. get_collection

    Recorded tool call · completed

  7. list_processors

    Recorded tool call · completed

  8. describe_processors

    Recorded tool call · completed

  9. inspect_artifact

    Recorded tool call · failed

  10. inspect_artifact

    Recorded tool call · failed

  11. update_analysis_brief

    Recorded tool call · completed

  12. Progress update

    I’ve recorded the job and acceptance checks. Now I’m doing a small private inspection of the supplied points so I can confirm the field names and the exact density setup before I run the full workflow.

  13. run_trial

    Recorded tool call · completed

  14. Progress update

    I confirmed the supplied fields are there: 230 point records, with COUNTRY, FACID_NUM, and benchmark_row_id present. Next I’m testing the actual heatmap method so the saved workflow reflects the exact grid and smoothing you requested, not just the source selection.

  15. inspect_artifact

    Recorded tool call · completed

  16. get_trial_report

    Recorded tool call · completed

  17. Progress update

    I’ve confirmed the source fields and point geometry. Now I’m recording that inspection and running one full-method private test: filter the four countries, make the unit weight explicit, and generate the heatmap on the exact fixed EPSG:6933 grid.

  18. assess_trial

    Recorded tool call · completed

  19. get_tool_help

    Recorded tool call · completed

  20. get_tool_help

    Recorded tool call · completed

  21. get_tool_help

    Recorded tool call · completed

  22. Progress update

    I have the processor contracts. I’m now running the exact method privately on the full requested grid so I can verify the selected port records and the heatmap raster before I save the production workflow.

  23. run_trial

    Recorded tool call · completed

  24. Progress update

    I’ve tested the exact method successfully: 94 contributing port records, explicit unit weight 1, and a valid EPSG:6933 heatmap on the requested 25 km grid. I’m saving that tested method as the production workflow now, then I’ll run it, inspect the final outputs, and add the raster to the map.

  25. get_tool_help

    Recorded tool call · completed

  26. get_trial_report

    Recorded tool call · completed

  27. get_tool_help

    Recorded tool call · completed

  28. get_tool_help

    Recorded tool call · completed

  29. get_tool_help

    Recorded tool call · completed

  30. assess_trial

    Recorded tool call · completed

  31. propose_workflow

    Recorded tool call · completed

  32. execute_workflow

    Recorded tool call · completed

  33. Progress update

    The final workflow run completed. I’m inspecting the exact delivered outputs now so I can bind the raster layer to the map and select the final artifact IDs for the result.

  34. get_workflow_run

    Recorded tool call · completed

  35. inspect_workflow_results

    Recorded tool call · completed

  36. Progress update

    I have the final output IDs and the heatmap layer is already bound to the map. I’m doing the last bounded inspections now so the accepted result points to the exact final raster and selected-port artifact, with verified counts and fields.

  37. inspect_artifact

    Recorded tool call · completed

  38. inspect_artifact

    Recorded tool call · completed

  39. get_tool_help

    Recorded tool call · completed

  40. inspect_artifact

    Recorded tool call · completed

  41. inspect_artifact

    Recorded tool call · completed

  42. inspect_artifact

    Recorded tool call · completed

  43. Progress update

    I already have the final heatmap artifact and map layer. I’m pulling back the finished source inspection once so I can confirm the unknown count from the original 230 records before I record the accepted result.

  44. inspect_artifact

    Recorded tool call · completed

  45. inspect_artifact

    Recorded tool call · completed

  46. Progress update

    I’ve confirmed the delivered point artifact and raster. One last source inspection is finishing now so I can lock the unknown count against the original benchmark records rather than the filtered subset.

  47. read_evidence

    Recorded tool call · completed

  48. read_evidence

    Recorded tool call · completed

  49. read_evidence

    Recorded tool call · completed

  50. Progress update

    I’ve already confirmed there are no null COUNTRY values and no invalid source geometries in the benchmark summary. I’m doing one lighter source pass with just the country field so the unknown count is tied to the original records cleanly.

  51. inspect_artifact

    Recorded tool call · completed

  52. Progress update

    The source country-only inspection is finished. I’m pulling its receipt now so I can verify the original-country inventory and close out the final counts cleanly.

  53. inspect_artifact

    Recorded tool call · completed

  54. Progress update

    I have everything needed for the final selection: 94 contributing ports, no invalid source geometries, and the verified heatmap layer on the map. I’m refreshing the brief notes to remove stale planning steps, then I’ll record the accepted result object against the exact final artifacts.

  55. update_analysis_brief

    Recorded tool call · completed

  56. read_evidence

    Recorded tool call · completed

  57. Progress update

    I’m using the smaller country-only inspection to verify the original benchmark’s country values directly, so the unknown count is based on the supplied source rather than on the filtered output.

  58. Progress update

    I’ve verified the exact final raster, the delivered selected points, the map layer binding, and the source-wide null/geometry checks. I’m recording the accepted result now with the final artifact identities and counts.

  59. assess_result

    Recorded tool call · failed

  60. Progress update

    Blue wants a spatial preview for the selected-point artifact as well, not just the table view. I’m getting that last preview now and then I’ll record the final result again.

  61. inspect_artifact

    Recorded tool call · completed

  62. inspect_artifact

    Recorded tool call · completed

  63. Progress update

    I have the final heatmap preview already. I’m fetching the matching spatial preview for the delivered selected points now so Blue can accept the final result against both final outputs.

  64. Progress update

    I now have spatial previews for both final outputs, so I’m recording the accepted result against the exact delivered point artifact and heatmap raster.

  65. assess_result

    Recorded tool call · completed

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