From 9dd4a9ac8f359f8d25b1c89fccc9e098f7b124ca Mon Sep 17 00:00:00 2001 From: Martin Kagamino Lehoux Date: Sun, 16 Aug 2026 10:44:21 +0200 Subject: refactor(web): split official climb profile script --- web/static/official-climb-profile.js | 188 +++++++++++++++++++++++++++++++++++ 1 file changed, 188 insertions(+) create mode 100644 web/static/official-climb-profile.js (limited to 'web/static/official-climb-profile.js') diff --git a/web/static/official-climb-profile.js b/web/static/official-climb-profile.js new file mode 100644 index 0000000..d03f0d5 --- /dev/null +++ b/web/static/official-climb-profile.js @@ -0,0 +1,188 @@ +(() => { + const createOfficialClimbProfileController = (points) => { + const colorProbe = document.createElement("span"); + colorProbe.hidden = true; + document.body.append(colorProbe); + const resolveColor = (name) => { + colorProbe.style.color = `var(${name})`; + return getComputedStyle(colorProbe).color; + }; + const colors = { + profileDownhill: resolveColor("--color-profile-downhill"), + profile0To3: resolveColor("--color-profile-0-3"), + profile3To6: resolveColor("--color-profile-3-6"), + profile6To9: resolveColor("--color-profile-6-9"), + profile9To12: resolveColor("--color-profile-9-12"), + profile12Plus: resolveColor("--color-profile-12-plus"), + plotSurface: resolveColor("--color-plot-surface"), + grid: resolveColor("--color-plot-grid"), + subtle: resolveColor("--color-subtle"), + accent: resolveColor("--color-accent"), + }; + colorProbe.remove(); + const formatDistance = (distance) => `${distance.toFixed(distance < 10 ? 1 : 0)} km`; + const clamp = (value, min, max) => Math.max(min, Math.min(max, value)); + const profileStepSizesM = [100, 200, 500, 1000]; + const displayStepForLength = (lengthM) => profileStepSizesM.find((stepM) => Math.ceil(lengthM / stepM) <= 30) || profileStepSizesM[profileStepSizesM.length - 1]; + const profileBandForSlope = (slopePercent) => { + if (slopePercent < 0) return colors.profileDownhill; + if (slopePercent < 3) return colors.profile0To3; + if (slopePercent < 6) return colors.profile3To6; + if (slopePercent < 9) return colors.profile6To9; + if (slopePercent < 12) return colors.profile9To12; + return colors.profile12Plus; + }; + const officialProfileSections = (startIndex, endIndex, stepM) => { + const startDistanceM = points[startIndex].distanceKm * 1000; + const endDistanceM = points[endIndex].distanceKm * 1000; + const sections = []; + let pointIndex = startIndex; + const elevationAtDistance = (distanceM) => { + while (pointIndex < endIndex - 1 && points[pointIndex + 1].distanceKm * 1000 < distanceM) pointIndex++; + const nextIndex = Math.min(pointIndex + 1, endIndex); + const first = points[pointIndex]; + const next = points[nextIndex]; + const distanceSpan = next.distanceKm * 1000 - first.distanceKm * 1000; + if (distanceSpan <= 0) return first.elevationM; + const fraction = (distanceM - first.distanceKm * 1000) / distanceSpan; + return first.elevationM + clamp(fraction, 0, 1) * (next.elevationM - first.elevationM); + }; + for (let sectionStartM = startDistanceM; sectionStartM < endDistanceM; sectionStartM += stepM) { + const sectionEndM = Math.min(sectionStartM + stepM, endDistanceM); + const startElevation = elevationAtDistance(sectionStartM); + const endElevation = elevationAtDistance(sectionEndM); + const slopePercent = (endElevation - startElevation) / (sectionEndM - sectionStartM) * 100; + sections.push({ + startDistanceKm: sectionStartM / 1000, + endDistanceKm: sectionEndM / 1000, + startElevation, + endElevation, + slopePercent, + color: profileBandForSlope(slopePercent), + }); + } + return sections; + }; + const drawOfficialProfile = (profileCanvas) => { + const startIndex = Number.parseInt(profileCanvas.dataset.profileStart, 10); + const endIndex = Number.parseInt(profileCanvas.dataset.profileEnd, 10); + if (!Number.isInteger(startIndex) || !Number.isInteger(endIndex) || startIndex < 0 || endIndex >= points.length || startIndex >= endIndex) return; + const rect = profileCanvas.getBoundingClientRect(); + if (rect.width === 0 || rect.height === 0) return; + const context = profileCanvas.getContext("2d"); + if (!context) return; + const ratio = window.devicePixelRatio || 1; + profileCanvas.width = Math.floor(rect.width * ratio); + profileCanvas.height = Math.floor(rect.height * ratio); + context.setTransform(ratio, 0, 0, ratio, 0, 0); + const plot = { left: 10, right: rect.width - 10, top: 16, bottom: rect.height - 24 }; + const climbLengthM = (points[endIndex].distanceKm - points[startIndex].distanceKm) * 1000; + const sections = officialProfileSections(startIndex, endIndex, displayStepForLength(climbLengthM)); + if (sections.length === 0) return; + let minElevation = sections[0].startElevation; + let maxElevation = minElevation; + for (const section of sections) { + minElevation = Math.min(minElevation, section.startElevation, section.endElevation); + maxElevation = Math.max(maxElevation, section.startElevation, section.endElevation); + } + const elevationPadding = Math.max((maxElevation - minElevation) * 0.12, 8); + minElevation -= elevationPadding; + maxElevation += elevationPadding; + const minDistance = sections[0].startDistanceKm; + const maxDistance = sections[sections.length - 1].endDistanceKm; + const distanceSpan = Math.max(maxDistance - minDistance, 0.1); + const elevationSpan = Math.max(maxElevation - minElevation, 1); + const xForDistance = (distanceKm) => plot.left + (distanceKm - minDistance) / distanceSpan * (plot.right - plot.left); + const yForElevation = (elevationM) => plot.bottom - (elevationM - minElevation) / elevationSpan * (plot.bottom - plot.top); + context.clearRect(0, 0, rect.width, rect.height); + context.fillStyle = colors.plotSurface; + context.fillRect(0, 0, rect.width, rect.height); + context.strokeStyle = colors.grid; + context.lineWidth = 1; + context.beginPath(); + context.moveTo(plot.left, plot.bottom); + context.lineTo(plot.right, plot.bottom); + context.stroke(); + for (const section of sections) { + const startX = xForDistance(section.startDistanceKm); + const endX = xForDistance(section.endDistanceKm); + context.beginPath(); + context.moveTo(startX, plot.bottom); + context.lineTo(startX, yForElevation(section.startElevation)); + context.lineTo(endX, yForElevation(section.endElevation)); + context.lineTo(endX, plot.bottom); + context.closePath(); + context.globalAlpha = 0.25; + context.fillStyle = section.color; + context.fill(); + context.globalAlpha = 1; + context.beginPath(); + context.moveTo(startX, yForElevation(section.startElevation)); + context.lineTo(endX, yForElevation(section.endElevation)); + context.strokeStyle = section.color; + context.lineWidth = 2.5; + context.stroke(); + } + context.font = "9px system-ui, sans-serif"; + context.fillStyle = colors.subtle; + context.textBaseline = "bottom"; + context.textAlign = "center"; + context.save(); + context.beginPath(); + context.rect(plot.left, plot.top, plot.right - plot.left, plot.bottom - plot.top); + context.clip(); + for (const section of sections) { + const startX = xForDistance(section.startDistanceKm); + const endX = xForDistance(section.endDistanceKm); + const label = `${section.slopePercent.toFixed(1)}%`; + const labelY = Math.max(plot.top + 10, Math.min(yForElevation(section.startElevation), yForElevation(section.endElevation)) - 4); + context.fillText(label, (startX + endX) / 2, labelY); + } + context.restore(); + let topElevation = sections[0].startElevation; + let topDistance = sections[0].startDistanceKm; + for (const section of sections) { + if (section.startElevation > topElevation) { + topElevation = section.startElevation; + topDistance = section.startDistanceKm; + } + if (section.endElevation > topElevation) { + topElevation = section.endElevation; + topDistance = section.endDistanceKm; + } + } + context.fillStyle = colors.accent; + context.beginPath(); + context.arc(xForDistance(topDistance), yForElevation(topElevation), 3.5, 0, 2 * Math.PI); + context.fill(); + context.font = "11px system-ui, sans-serif"; + context.fillStyle = colors.subtle; + context.textBaseline = "top"; + context.textAlign = "left"; + context.fillText(formatDistance(0), plot.left, rect.height - 16); + context.textAlign = "right"; + context.fillText(formatDistance(maxDistance - minDistance), plot.right, rect.height - 16); + }; + const cards = [...document.querySelectorAll("[data-official-climb-card]")]; + for (const card of cards) { + card.addEventListener("toggle", () => { + if (!card.open) return; + for (const other of cards) { + if (other !== card) other.open = false; + } + const profileCanvas = card.querySelector("[data-official-profile]"); + if (profileCanvas) drawOfficialProfile(profileCanvas); + }); + } + return { + redrawOpen: () => { + for (const profileCanvas of document.querySelectorAll("[data-official-profile]")) { + const card = profileCanvas.closest("[data-official-climb-card]"); + if (card?.open) drawOfficialProfile(profileCanvas); + } + }, + }; + }; + + window.createOfficialClimbProfileController = createOfficialClimbProfileController; +})(); -- cgit v1.2.3