11library : highcharts
22specification_id : stereonet-equal-area
33created : ' 2026-03-15T23:05:23Z'
4- updated : ' 2026-03-15T23:41:51Z '
4+ updated : ' 2026-03-15T23:53:34Z '
55generated_by : claude-opus-4-5-20251101
66workflow_run : 23121188982
77issue : 4576
@@ -10,42 +10,34 @@ library_version: unknown
1010preview_url : https://storage.googleapis.com/pyplots-images/plots/stereonet-equal-area/highcharts/plot.png
1111preview_thumb : https://storage.googleapis.com/pyplots-images/plots/stereonet-equal-area/highcharts/plot_thumb.png
1212preview_html : https://storage.googleapis.com/pyplots-images/plots/stereonet-equal-area/highcharts/plot.html
13- quality_score : 84
13+ quality_score : 85
1414review :
1515 strengths :
16- - Mathematically correct equal-area (Schmidt) projection with proper pole and great
17- circle calculations
18- - ' Excellent spec compliance with all required features: density contours, great
19- circles, poles, tick marks, compass labels'
20- - Strong colorblind-safe palette (blue, orange, purple) with good visual hierarchy
21- between data layers
22- - Professional design with subtle dotted grid, clean background, and thoughtful
23- typography
24- - Realistic geological data with three distinct feature types showing different
25- clustering patterns
26- - Interactive HTML output alongside static PNG leverages Highcharts web capabilities
16+ - Excellent spec compliance with all required stereonet features correctly computed
17+ - Strong geological data quality with three distinct realistic feature types
18+ - Professional visual design with custom colorblind-safe palette and subtle dotted
19+ grid
20+ - Dual output (PNG + interactive HTML) leverages Highcharts strengths well
2721 weaknesses :
28- - LineSeries imported from wrong submodule (area instead of line)
29- - Python 2 exception syntax on lines 305 and 324 should use parenthesized tuple
30- form
31- - Great circle lines are somewhat thin and hard to trace across the full stereonet
32- - Legend is slightly disconnected from the main plot area
33- image_description : ' The plot displays a Schmidt equal-area (lower-hemisphere) stereonet
34- projection on a square canvas with a light gray (#FAFAFA) background. A solid
35- dark circle forms the primitive boundary, with dotted concentric circles at 15-degree
36- dip intervals and dotted radial lines every 30 degrees forming a subtle grid.
37- Cardinal directions (N, S, E, W) are labeled in bold around the perimeter, with
38- intermediate degree markings (30, 60, 120, 150, 210, 240, 300, 330 degrees) and
39- tick marks every 10 degrees. Three feature types are plotted: Bedding (blue #306998)
40- with poles clustered in the central-south area and great circles arcing across
41- the SW quadrant; Joints (orange #E5863D) with poles tightly clustered in the NE
42- quadrant and great circles crossing the S-SW area; and Faults (purple #8B5CF6)
43- with poles more scattered in the E and SE areas. Green semi-transparent density
44- contours (Kamb-style) overlay the pole data highlighting the two main concentration
45- zones. A horizontal legend at the bottom lists all seven series: Bedding/Joints/Faults
46- planes and poles, plus density contours. The title reads "stereonet-equal-area
47- · highcharts · pyplots.ai" with subtitle "Lower Hemisphere Equal-Area (Schmidt)
48- Projection".'
22+ - Python 2 except syntax on lines 305 and 324 should use tuple form
23+ - LineSeries imported from area submodule instead of line submodule
24+ - Legend slightly cramped with 7 items in a single horizontal row
25+ image_description : ' The plot displays a lower-hemisphere equal-area (Schmidt) stereographic
26+ projection on a square canvas with a light gray (#FAFAFA) background. A bold dark
27+ primitive circle encloses the projection area, with tick marks every 10 degrees
28+ around the perimeter (longer ticks at 30-degree intervals). Cardinal directions
29+ (N, E, S, W) are labeled in bold around the outside, with intermediate degree
30+ labels (30, 60, 120, 150, 210, 240, 300, 330) in regular weight. Subtle dotted
31+ concentric circles and radial lines form the stereonet grid. Three geological
32+ feature types are plotted: Bedding (blue #306998) with great circle arcs and scatter
33+ poles clustered in the south-central area, Joints (orange #E5863D) with great
34+ circles and poles concentrated in the NE quadrant, and Faults (purple #8B5CF6)
35+ with great circles and poles scattered in the eastern portion. Green semi-transparent
36+ density contours overlay the pole data, highlighting preferred orientations especially
37+ in the NE and south-central clusters. The title reads "stereonet-equal-area ·
38+ highcharts · pyplots.ai" with a subtitle "Lower Hemisphere Equal-Area (Schmidt)
39+ Projection". A horizontal legend at the bottom lists all seven series: Bedding/Joints/Faults
40+ (planes), Bedding/Joints/Faults (poles), and Density contours.'
4941 criteria_checklist :
5042 visual_quality :
5143 score : 26
@@ -57,41 +49,41 @@ review:
5749 max : 8
5850 passed : true
5951 comment : Font sizes explicitly set (56px title, 38px subtitle, 30-38px labels).
60- All readable. Legend text slightly small.
52+ All readable; degree labels slightly small but legible .
6153 - id : VQ-02
6254 name : No Overlap
6355 score : 5
6456 max : 6
6557 passed : true
66- comment : Generally clean layout. Minor crowding near degree labels in NE quadrant
67- where data is dense .
58+ comment : Legend has 7 items slightly cramped. Minor crowding in NE quadrant
59+ where joint poles cluster .
6860 - id : VQ-03
6961 name : Element Visibility
7062 score : 5
7163 max : 6
7264 passed : true
73- comment : Poles well-sized with white border. Great circles somewhat thin at
74- 2.5px with 0.7 opacity .
65+ comment : Poles and great circles visible. Some pole markers overlap in dense
66+ clusters .
7567 - id : VQ-04
7668 name : Color Accessibility
7769 score : 4
7870 max : 4
7971 passed : true
80- comment : ' Excellent colorblind-safe palette: blue, orange, purple easily distinguishable. '
72+ comment : Blue/orange/purple palette is colorblind-safe with strong contrast.
8173 - id : VQ-05
8274 name : Layout & Canvas
8375 score : 3
8476 max : 4
8577 passed : true
86- comment : Square format ideal for stereonet . Legend floats somewhat isolated
87- at bottom .
78+ comment : Square canvas appropriate for circular projection . Legend positioned
79+ far from plot .
8880 - id : VQ-06
8981 name : Axis Labels & Title
9082 score : 2
9183 max : 2
9284 passed : true
93- comment : Descriptive title, informative subtitle, compass directions and degree
94- markings .
85+ comment : Cardinal directions serve as labels; subtitle describes projection
86+ type .
9587 design_excellence :
9688 score : 14
9789 max : 20
@@ -101,22 +93,21 @@ review:
10193 score : 6
10294 max : 8
10395 passed : true
104- comment : Strong design with custom palette, professional typography, intentional
105- color hierarchy .
96+ comment : Custom palette, custom typography, intentional hierarchy. Clearly
97+ above defaults .
10698 - id : DE-02
10799 name : Visual Refinement
108100 score : 4
109101 max : 6
110102 passed : true
111- comment : Subtle dotted grid at low opacity, axes hidden, clean background,
112- tick mark differentiation.
103+ comment : Subtle dotted grid, axes hidden, clean background. Good refinement.
113104 - id : DE-03
114105 name : Data Storytelling
115106 score : 4
116107 max : 6
117108 passed : true
118- comment : Density contours highlight preferred orientations, color coding distinguishes
119- feature types .
109+ comment : Three distinct feature types with different orientations create structural
110+ narrative. Density contours highlight preferred orientations .
120111 spec_compliance :
121112 score : 15
122113 max : 15
@@ -126,51 +117,52 @@ review:
126117 score : 5
127118 max : 5
128119 passed : true
129- comment : Correct Schmidt equal-area lower-hemisphere projection.
120+ comment : Correct equal-area Schmidt lower-hemisphere projection.
130121 - id : SC-02
131122 name : Required Features
132123 score : 4
133124 max : 4
134125 passed : true
135- comment : ' All features present: great circles, poles, density contours, color-coding ,
136- ticks, N label, legend .'
126+ comment : ' All spec features present: great circles, poles, density contours,
127+ color-coding, tick marks, grid .'
137128 - id : SC-03
138129 name : Data Mapping
139130 score : 3
140131 max : 3
141132 passed : true
142- comment : Strike/dip correctly mapped using proper equal-area projection formulas.
133+ comment : Strike/dip correctly mapped to great circles and poles with equal-area
134+ formula.
143135 - id : SC-04
144136 name : Title & Legend
145137 score : 3
146138 max : 3
147139 passed : true
148- comment : Title matches required format. Legend distinguishes planes vs poles
140+ comment : Title format correct . Legend labels distinguish planes and poles
149141 per feature type.
150142 data_quality :
151- score : 14
143+ score : 15
152144 max : 15
153145 items :
154146 - id : DQ-01
155147 name : Feature Coverage
156- score : 5
148+ score : 6
157149 max : 6
158150 passed : true
159- comment : Three feature types with different orientations and clustering. Could
160- show wider dip range .
151+ comment : Three distinct feature types with varying orientations, cluster tightness,
152+ and populations .
161153 - id : DQ-02
162154 name : Realistic Context
163155 score : 5
164156 max : 5
165157 passed : true
166- comment : ' Realistic structural geology field measurements: bedding, joints,
167- faults. '
158+ comment : Realistic geological field measurements with sensible strike/dip
159+ distributions.
168160 - id : DQ-03
169161 name : Appropriate Scale
170162 score : 4
171163 max : 4
172164 passed : true
173- comment : 90 measurements in 30-200 range. Strike 0-360, dip 5-89 degrees .
165+ comment : Geologically sensible values for all feature types .
174166 code_quality :
175167 score : 8
176168 max : 10
@@ -180,14 +172,13 @@ review:
180172 score : 3
181173 max : 3
182174 passed : true
183- comment : ' Linear flow: imports, data, config, grid, contours, great circles,
184- poles, render.'
175+ comment : ' Linear flow: imports, data, chart, series, render, screenshot.'
185176 - id : CQ-02
186177 name : Reproducibility
187178 score : 2
188179 max : 2
189180 passed : true
190- comment : np.random.seed(42) set at start .
181+ comment : np.random.seed(42) ensures deterministic data .
191182 - id : CQ-03
192183 name : Clean Imports
193184 score : 1
@@ -199,14 +190,13 @@ review:
199190 score : 1
200191 max : 2
201192 passed : false
202- comment : Python 2 exception syntax on lines 305/324. Contour fallback logic
203- verbose.
193+ comment : Python 2 except syntax on lines 305 and 324.
204194 - id : CQ-05
205195 name : Output & API
206196 score : 1
207197 max : 1
208198 passed : true
209- comment : Saves plot.png via Selenium and plot.html for interactive use .
199+ comment : Saves as plot.png via Selenium. Also generates plot.html.
210200 library_mastery :
211201 score : 7
212202 max : 10
@@ -216,23 +206,22 @@ review:
216206 score : 4
217207 max : 5
218208 passed : true
219- comment : ' Good use of highcharts_core API: Chart, HighchartsOptions, typed
220- series, annotations, to_js_literal().'
209+ comment : ' Good use of highcharts_core API: Chart, series types, annotations,
210+ to_js_literal().'
221211 - id : LM-02
222212 name : Distinctive Features
223213 score : 3
224214 max : 5
225215 passed : true
226- comment : Annotations API for compass labels, interactive tooltips, HTML export
227- alongside PNG.
228- verdict : APPROVED
216+ comment : Annotations for labels, interactive tooltips, HTML export.
217+ verdict : REJECTED
229218impl_tags :
230219 dependencies :
231220 - scipy
232221 - selenium
233222 techniques :
234- - polar-projection
235223 - annotations
224+ - polar-projection
236225 - html-export
237226 - custom-legend
238227 patterns :
@@ -241,6 +230,5 @@ impl_tags:
241230 dataprep :
242231 - kde
243232 styling :
244- - minimal-chrome
245233 - alpha-blending
246234 - grid-styling
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