11library : bokeh
22specification_id : column-stratigraphic
33created : ' 2026-03-15T22:55:12Z'
4- updated : ' 2026-03-15T23:14:59Z '
4+ updated : ' 2026-03-15T23:23:49Z '
55generated_by : claude-opus-4-5-20251101
66workflow_run : 23121198781
77issue : 4573
@@ -10,107 +10,113 @@ library_version: 3.9.0
1010preview_url : https://storage.googleapis.com/pyplots-images/plots/column-stratigraphic/bokeh/plot.png
1111preview_thumb : https://storage.googleapis.com/pyplots-images/plots/column-stratigraphic/bokeh/plot_thumb.png
1212preview_html : https://storage.googleapis.com/pyplots-images/plots/column-stratigraphic/bokeh/plot.html
13- quality_score : 88
13+ quality_score : 89
1414review :
1515 strengths :
16- - Excellent spec compliance — all required features faithfully implemented with
17- 5 distinct lithology patterns and proper geological conventions
18- - K-Pg boundary annotation adds strong data storytelling with red dashed line and
19- bold label
20- - ' Good use of Bokeh-specific features: HoverTool tooltips, hatch patterns, Span,
21- dual PNG/HTML export'
22- - Clean, well-organized code with good typography hierarchy
23- - Colorblind-safe, geology-appropriate earth-tone palette
16+ - Excellent visual design with domain-appropriate color palette and redundant hatch
17+ pattern encoding for accessibility
18+ - Strong data storytelling through the K-Pg boundary focal point and age bracket
19+ grouping
20+ - Full spec compliance with all required features implemented
21+ - Good use of Bokeh-specific features (hatch patterns, HoverTool, Span, dual HTML/PNG
22+ output)
23+ - Clean typography hierarchy with 4 distinct size levels
24+ - Professional visual refinement (subtle grid, removed outline, hidden x-axis)
2425 weaknesses :
25- - Horizontal canvas utilization could be improved — significant empty space between
26- formation labels and legend
27- - Boundary depth labels (13pt) are noticeably smaller than other text elements
28- - Hatch patterns use Bokeh built-in defaults rather than closer approximations of
29- FGDC geological symbols
26+ - ' Geological age ordering is reversed: Eocene (younger) appears below Late Cretaceous
27+ (older) in the depth column, and Leadville Fm is assigned incorrect age'
28+ - Boundary depth labels at 13pt are noticeably smaller than other text elements
29+ - Some horizontal space wasted to the right of formation labels
3030 image_description : ' The plot displays a vertical stratigraphic column spanning 0–200m
3131 depth (increasing downward). Ten geological layers are rendered as wide rectangular
3232 blocks, each filled with a distinct color and hatch pattern: Sandstone (warm wheat
3333 with dot pattern), Shale (gray with horizontal dashes), Limestone (light blue
34- with plus/ cross pattern), Siltstone (olive green with diagonal hatching), and
34+ with cross/plus pattern), Siltstone (olive green with diagonal hatching), and
3535 Conglomerate (orange with circle pattern). A prominent red dashed line marks the
36- K-Pg Boundary (~66 Ma) at 88m depth with a bold red label. Formation names (Dakota
37- Fm, Mancos Fm, Niobrara Fm, Pierre Fm, Fox Hills Fm, Dawson Fm, Green River Fm,
38- Leadville Fm, Wasatch Fm, Uinta Fm) are labeled on the right. Age brackets (Late
39- Cretaceous, Paleocene, Eocene) with bracket lines appear on the left. Small depth
40- labels mark each layer boundary. The title reads "column-stratigraphic · bokeh
41- · pyplots.ai" in the upper left. A lithology legend with all 5 rock types sits
42- in the upper right. The y-axis is labeled "Depth (m)".'
36+ K-Pg Boundary (~66 Ma) at 88m depth with a bold red label on a white background.
37+ Formation names (Dakota Fm, Mancos Fm, Niobrara Fm, Pierre Fm, Fox Hills Fm, Dawson
38+ Fm, Green River Fm, Leadville Fm, Wasatch Fm, Uinta Fm) are labeled in bold on
39+ the right side. Age brackets with vertical bracket lines (Late Cretaceous, Paleocene,
40+ Eocene) appear on the left in italic. Small gray depth labels mark each layer
41+ boundary. The title reads "column-stratigraphic · bokeh · pyplots.ai" in the upper
42+ left. A lithology legend titled "Lithology" with all 5 rock types sits in the
43+ upper right on a cream background. The y-axis is labeled "Depth (m)" in bold.
44+ The background is a warm off-white, grid is very subtle dashed lines, x-axis is
45+ hidden, and the outline is removed.'
4346 criteria_checklist :
4447 visual_quality :
45- score : 27
48+ score : 28
4649 max : 30
4750 items :
4851 - id : VQ-01
4952 name : Text Legibility
5053 score : 7
5154 max : 8
5255 passed : true
53- comment : All font sizes explicitly set (title 36pt, axis label 28pt, ticks
54- 22pt, formation 19pt, age 19pt ). Boundary depth labels at 13pt are readable
55- but noticeably smaller .
56+ comment : All font sizes explicitly set (title 36pt, axis 28pt, ticks 22pt,
57+ labels 19pt, legend 20-22pt ). Boundary depth labels at 13pt are smaller
58+ but readable .
5659 - id : VQ-02
5760 name : No Overlap
5861 score : 6
5962 max : 6
6063 passed : true
61- comment : No overlapping text. Formation labels, age labels, and depth marks
64+ comment : No overlapping text. Formation labels, age brackets, depth marks
6265 all well-separated.
6366 - id : VQ-03
6467 name : Element Visibility
6568 score : 6
6669 max : 6
6770 passed : true
68- comment : All rectangular layers clearly visible with distinct colors and hatch
69- patterns .
71+ comment : All layers clearly visible with distinct colors and hatch patterns.
72+ Good 2px line widths on boundaries .
7073 - id : VQ-04
7174 name : Color Accessibility
7275 score : 4
7376 max : 4
7477 passed : true
75- comment : ' Colorblind-safe palette: wheat, gray, blue, olive green, orange.'
78+ comment : Colorblind-safe palette (wheat, gray, blue, olive, orange) with redundant
79+ hatch pattern encoding.
7680 - id : VQ-05
7781 name : Layout & Canvas
78- score : 2
82+ score : 3
7983 max : 4
80- passed : false
81- comment : Significant horizontal space wasted between formation labels and
82- legend. Column is narrow relative to canvas width .
84+ passed : true
85+ comment : Good vertical utilization. Some wasted horizontal space between formation
86+ labels and legend .
8387 - id : VQ-06
8488 name : Axis Labels & Title
8589 score : 2
8690 max : 2
8791 passed : true
8892 comment : Y-axis labeled Depth (m) with units. X-axis appropriately hidden.
93+ Title follows convention.
8994 design_excellence :
90- score : 14
95+ score : 16
9196 max : 20
9297 items :
9398 - id : DE-01
9499 name : Aesthetic Sophistication
95- score : 5
100+ score : 6
96101 max : 8
97102 passed : true
98- comment : Earth-tone palette is geology-appropriate. Good typography hierarchy.
99- Above defaults but not publication-grade.
103+ comment : Custom domain-appropriate palette, intentional typography hierarchy,
104+ warm background, styled legend, K-Pg red accent. Above defaults but not
105+ publication-perfect.
100106 - id : DE-02
101107 name : Visual Refinement
102- score : 4
108+ score : 5
103109 max : 6
104110 passed : true
105- comment : Hidden x-axis, subtle grid (alpha 0.12, dashed), removed outline ,
106- custom background. Good refinement .
111+ comment : Outline removed, x-axis hidden, grid subtle (alpha 0.12 dashed),
112+ minor ticks removed, softened axis colors, generous padding .
107113 - id : DE-03
108114 name : Data Storytelling
109115 score : 5
110116 max : 6
111117 passed : true
112- comment : K-Pg boundary creates clear focal point. Age brackets organize geological
113- timeline. Real formation names add context .
118+ comment : K-Pg boundary creates strong focal point. Age brackets provide geological
119+ narrative. Depth ticks guide viewer through sequence .
114120 spec_compliance :
115121 score : 15
116122 max : 15
@@ -120,51 +126,53 @@ review:
120126 score : 5
121127 max : 5
122128 passed : true
123- comment : Correct stratigraphic column with stacked rectangular layers and
124- lithology patterns .
129+ comment : Correct vertical column with stacked rectangular blocks for geological
130+ layers .
125131 - id : SC-02
126132 name : Required Features
127133 score : 4
128134 max : 4
129135 passed : true
130- comment : ' All spec features present: 5 lithology patterns, depth increasing
131- downward, formation names, age labels, depth scale .'
136+ comment : ' All features: hatch patterns (5 types), formation names, age labels
137+ with brackets, depth scale, layer boundaries .'
132138 - id : SC-03
133139 name : Data Mapping
134140 score : 3
135141 max : 3
136142 passed : true
137- comment : Depth correctly mapped to y-axis, layers stacked without gaps.
143+ comment : Depth increases downward as specified. All 10 layers from 0-200m
144+ displayed.
138145 - id : SC-04
139146 name : Title & Legend
140147 score : 3
141148 max : 3
142149 passed : true
143- comment : Title format correct. Legend titled Lithology with all 5 rock types.
150+ comment : Title format correct. Legend with all 5 lithology types labeled .
144151 data_quality :
145- score : 14
152+ score : 12
146153 max : 15
147154 items :
148155 - id : DQ-01
149156 name : Feature Coverage
150- score : 6
157+ score : 5
151158 max : 6
152159 passed : true
153- comment : Shows 5 distinct lithologies , 10 layers, varying thicknesses, 3 geological
154- periods, K-Pg boundary .
160+ comment : 5 lithology types , 10 layers, varying thicknesses, 3 periods, K-Pg
161+ boundary. Missing unconformity (optional) .
155162 - id : DQ-02
156163 name : Realistic Context
157- score : 4
164+ score : 3
158165 max : 5
159- passed : true
160- comment : Real Western US formation names and geological ages. Minor anachronism
161- with Leadville Fm age.
166+ passed : false
167+ comment : ' Real formation names but geological ages reversed: Eocene (younger)
168+ deeper than Cretaceous (older). Leadville Fm age incorrect. '
162169 - id : DQ-03
163170 name : Appropriate Scale
164171 score : 4
165172 max : 4
166173 passed : true
167- comment : Depths 0-200m and thicknesses 8-28m are geologically plausible.
174+ comment : Layer thicknesses 8-28m realistic. Total 200m sensible for stratigraphic
175+ section.
168176 code_quality :
169177 score : 10
170178 max : 10
@@ -174,14 +182,14 @@ review:
174182 score : 3
175183 max : 3
176184 passed : true
177- comment : ' Clean linear flow: data, plot, annotations, save. No functions or
178- classes.'
185+ comment : ' Flat script: imports, data, styles, plot, annotations, save. No
186+ functions or classes.'
179187 - id : CQ-02
180188 name : Reproducibility
181189 score : 2
182190 max : 2
183191 passed : true
184- comment : All data deterministic ( hardcoded layer definitions) .
192+ comment : Fully deterministic hardcoded data, no random elements .
185193 - id : CQ-03
186194 name : Clean Imports
187195 score : 2
@@ -193,13 +201,13 @@ review:
193201 score : 2
194202 max : 2
195203 passed : true
196- comment : Clean, well-organized code with appropriate loops . No fake functionality .
204+ comment : Clean, well-organized code with logical sections . No fake UI elements .
197205 - id : CQ-05
198206 name : Output & API
199207 score : 1
200208 max : 1
201209 passed : true
202- comment : Saves as plot.png via export_png and plot.html. Current Bokeh API.
210+ comment : Saves as plot.png and plot.html. Current Bokeh 3.9 API.
203211 library_mastery :
204212 score : 8
205213 max : 10
@@ -209,15 +217,15 @@ review:
209217 score : 4
210218 max : 5
211219 passed : true
212- comment : Uses ColumnDataSource, Range1d, Label, Legend/LegendItem, Span —
213- idiomatic Bokeh patterns .
220+ comment : Good use of ColumnDataSource, figure with Range1d, rect glyphs with
221+ hatch, Label/Span models, Legend with LegendItem, HoverTool .
214222 - id : LM-02
215223 name : Distinctive Features
216224 score : 4
217225 max : 5
218226 passed : true
219- comment : HoverTool with rich tooltips, hatch patterns, Span model, dual PNG/HTML
220- export — Bokeh-specific features.
227+ comment : ' Bokeh-specific: native hatch patterns, HoverTool with tooltips,
228+ Span model, dual PNG+HTML output, Legend model with custom styling. '
221229 verdict : REJECTED
222230impl_tags :
223231 dependencies : []
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