f1cae13605
Archive the three implemented + merged changes (activity-sport-type, activity-stats, journal-elevation-profile): their deltas are promoted into openspec/specs/, the changes move to changes/archive/2026-06-12-*, and the three new capabilities are added to the CAPABILITIES index. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
45 lines
2.3 KiB
Markdown
45 lines
2.3 KiB
Markdown
# journal-elevation-profile Specification
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## Purpose
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TBD - created by archiving change journal-elevation-profile. Update Purpose after archive.
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## Requirements
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### Requirement: Elevation profile chart on detail pages
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The route and activity detail pages SHALL render an elevation profile chart (distance on the x-axis, elevation on the y-axis) with a gradient area fill and a summary showing the highest and lowest points, whenever the activity or route has a usable elevation series. (Ascent and descent are shown in the headline stat row above the chart.)
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#### Scenario: Chart shown for a route with elevation
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- **WHEN** a user views a route whose GPX contains an elevation series
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- **THEN** an elevation profile chart is shown with a highest/lowest summary
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#### Scenario: Chart omitted without elevation
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- **WHEN** an activity's GPX has no usable elevation data
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- **THEN** no chart is rendered and the existing gain/loss figures remain
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### Requirement: Chart-to-map highlight
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The detail page SHALL highlight the corresponding location on the map when the user points at a position on the elevation chart.
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#### Scenario: Hover chart highlights map
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- **WHEN** the user moves the pointer along the elevation chart
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- **THEN** a marker appears on the map at the location matching that distance along the route
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### Requirement: Map-to-chart highlight
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The detail page SHALL highlight the corresponding position on the elevation chart when the user points at the route line on the map.
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#### Scenario: Hover map highlights chart
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- **WHEN** the user moves the pointer along the route line on the map
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- **THEN** the elevation chart marks the position matching the nearest point on the route
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### Requirement: Click chart to center map
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The detail page SHALL center the map on the corresponding location when the user clicks a position on the elevation chart, without modifying any data.
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#### Scenario: Click chart pans map
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- **WHEN** the user clicks a point on the elevation chart
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- **THEN** the map centers on the matching location
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- **AND** no route or activity data is changed
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### Requirement: Localized summary labels
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The elevation summary strip SHALL render its labels and units through localized strings.
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#### Scenario: German summary labels
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- **WHEN** the UI locale is German
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- **THEN** the highest and lowest labels render in German
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