Files
Aislo/B06_wf3_ProfileCross/B06_wf3_ProfileCross_UI_Cross_View.ts
T
2026-07-24 17:52:01 +09:00

329 lines
12 KiB
TypeScript

/* =============================================================================
* B06_wf3_ProfileCross_UI_Cross_View.ts
* 개별 횡단면 카드 SVG 렌더러와 X:Y 1:1 스케일 지표 계산.
*
* 700줄 제한 대응으로 기존 단일 렌더러 파일에서 횡단 카드 렌더링만 분리했다. 공통 상수·유틸은
* `_UI_Section_Common`, 설계 지정 컨트롤/설계선 오버레이는 `_UI_Cross_Design`을 참조한다.
* 횡단은 종/횡 공통 Y스케일을 쓰지 않고 카드마다 자체 1:1 ppm으로 스케일한다.
* ========================================================================== */
import type { CrossSection, SectionSample } from "./B06_wf3_ProfileCross_Api_Fetch";
import {
appendCrossDesignOverlay,
buildDesignControls,
} from "./B06_wf3_ProfileCross_UI_Cross_Design";
import {
CROSS_HEIGHT,
CROSS_PAD,
CROSS_WIDTH,
type DesignChangeHandler,
emptyView,
L,
stationLabel,
svgElement,
svgText,
validElevation,
} from "./B06_wf3_ProfileCross_UI_Section_Common";
interface CrossPlotMetrics {
sourceSamples: SectionSample[];
minOffset: number;
maxOffset: number;
elevationMid: number;
displaySpan: number;
displayMax: number;
pixelsPerMeter: number;
heightPx: number;
}
/**
* 횡단 카드의 X:Y 1:1 스케일 지표를 계산한다.
* X pixels-per-meter는 반폭(offset 범위)이 카드 폭을 채우도록 고정하고, 같은 ppm을 Y에도 써서
* 형상 왜곡을 없앤다(과장=1 → 정확히 1:1). 카드 높이는 데이터가 요구하는 자연 높이에 최소
* `CROSS_HEIGHT`(250px) 바닥을 적용하며, `forcedHeightPx`가 오면 그 높이로 강제한다(같은 행 높이 통일).
* 어느 경우든 displaySpan을 실제 plotHeight에 맞춰 되계산하므로 ppm(=1:1)은 그대로 보존되고,
* 남는 세로 공간은 elevationMid를 중심으로 대칭 여백이 된다.
*/
function crossPlotMetrics(
section: CrossSection,
verticalExaggeration: number,
widthPx: number,
crossHalfWidth?: number,
designElevation?: number,
forcedHeightPx?: number,
): CrossPlotMetrics | null {
const sourceSamples = section.samples.filter(
(sample) =>
crossHalfWidth === undefined || Math.abs(sample.offset_m ?? 0) <= crossHalfWidth + 1e-6,
);
const valid = sourceSamples.filter(validElevation);
if (!valid.length) return null;
const offsets = sourceSamples.map((sample) => sample.offset_m ?? 0);
const minOffset = Math.min(...offsets, -1);
const maxOffset = Math.max(...offsets, 1);
const hasDesign = designElevation !== undefined && Number.isFinite(designElevation);
const elevations = valid.map((sample) => sample.elevation_m);
if (hasDesign) elevations.push(designElevation as number);
const rawMin = Math.min(...elevations);
const rawMax = Math.max(...elevations);
const elevationMid = (rawMin + rawMax) / 2;
const padding = rawMax > rawMin ? (rawMax - rawMin) * 0.08 : 0.5;
const exaggeration = Math.max(verticalExaggeration, 0.1);
const plotWidth = widthPx - CROSS_PAD.left - CROSS_PAD.right;
const xSpan = Math.max(maxOffset - minOffset, 1e-6);
const pixelsPerMeter = plotWidth / xSpan;
const rawSpan = Math.max((rawMax - rawMin + padding * 2) * exaggeration, 1e-6);
const naturalHeight = rawSpan * pixelsPerMeter + CROSS_PAD.top + CROSS_PAD.bottom;
// 강제 높이가 있으면 그것을, 없으면 자연 높이에 250px 바닥 적용.
const heightPx = forcedHeightPx ?? Math.max(naturalHeight, CROSS_HEIGHT);
const plotHeight = Math.max(heightPx - CROSS_PAD.top - CROSS_PAD.bottom, 1e-6);
// 실제 plotHeight에 맞춰 표시 표고폭을 되계산 → ppm(1:1) 보존, 여유분은 상하 대칭 여백.
const displaySpan = plotHeight / pixelsPerMeter;
const displayMax = elevationMid + displaySpan / 2;
return {
sourceSamples,
minOffset,
maxOffset,
elevationMid,
displaySpan,
displayMax,
pixelsPerMeter,
heightPx,
};
}
/** 같은 행 높이 통일을 위해 카드를 만들지 않고 자연(바닥 적용) 높이만 계산한다. */
export function crossCardNaturalHeight(
section: CrossSection,
verticalExaggeration: number,
widthPx: number,
crossHalfWidth?: number,
designElevation?: number,
): number {
return (
crossPlotMetrics(section, verticalExaggeration, widthPx, crossHalfWidth, designElevation)
?.heightPx ?? CROSS_HEIGHT
);
}
export function createCrossSectionCard(
section: CrossSection,
selected: boolean,
verticalExaggeration: number,
onSelect: (stationId: string) => void,
stationInterval: number,
crossHalfWidth?: number,
widthPx = CROSS_WIDTH,
forcedHeightPx?: number,
designElevation?: number,
onDesignChange?: DesignChangeHandler,
): HTMLElement {
const card = document.createElement("article");
card.id = `cross-${section.station_id}`;
card.className = `b06-cross-card${selected ? " b06-cross-card--selected" : ""}`;
card.tabIndex = 0;
card.addEventListener("click", () => onSelect(section.station_id));
card.addEventListener("keydown", (event) => {
if (event.key === "Enter" || event.key === " ") onSelect(section.station_id);
});
const header = document.createElement("header");
const title = document.createElement("div");
const label = document.createElement("strong");
label.textContent = stationLabel(section.chainage_m, stationInterval);
const chainage = document.createElement("span");
chainage.textContent = `${section.chainage_m.toFixed(1)}m`;
title.append(label, chainage);
const kind = document.createElement("span");
kind.textContent =
section.kind === "ep"
? L("B06_Profile_View_Kind_EP")
: section.kind === "bp"
? L("B06_Profile_View_Kind_BP")
: L("B06_Profile_View_Kind_Station");
// kind 라벨(일반측점/BP/EP) 좌측에 구조물 정보를 표기(비정규 측점이 확정 시 실어온 값).
const meta = document.createElement("div");
meta.className = "b06-cross-card__meta";
if (section.structure) {
const structure = document.createElement("span");
structure.className = "b06-cross-card__structure";
structure.textContent = section.structure;
structure.title = `구조물: ${section.structure}`;
meta.append(structure);
}
meta.append(kind);
header.append(title, meta);
card.append(header);
if (onDesignChange) card.append(buildDesignControls(section, onDesignChange));
const metrics = crossPlotMetrics(
section,
verticalExaggeration,
widthPx,
crossHalfWidth,
designElevation,
forcedHeightPx,
);
if (!metrics) {
card.append(emptyView(L("B06_Profile_View_NoCross")));
} else {
const {
sourceSamples,
minOffset,
maxOffset,
elevationMid,
displaySpan,
displayMax,
pixelsPerMeter,
heightPx,
} = metrics;
const hasDesign = designElevation !== undefined && Number.isFinite(designElevation);
const valid = sourceSamples.filter(validElevation);
const exaggeration = Math.max(verticalExaggeration, 0.1);
const x = (offset: number) => CROSS_PAD.left + (offset - minOffset) * pixelsPerMeter;
const y = (elevation: number) => CROSS_PAD.top + (displayMax - elevation) * pixelsPerMeter;
const svg = svgElement("svg", {
class: "b06-section__chart",
width: widthPx,
height: heightPx,
viewBox: `0 0 ${widthPx} ${heightPx}`,
role: "img",
"aria-label": `${section.label} ${L("B06_Profile_View_Cross")}`,
});
svg.append(svgElement("rect", { width: widthPx, height: heightPx, class: "b06-chart__bg" }));
const xTicks = Array.from(
{ length: 7 },
(_, index) => minOffset + ((maxOffset - minOffset) * index) / 6,
);
for (const tick of xTicks) {
svg.append(
svgElement("line", {
x1: x(tick),
y1: CROSS_PAD.top,
x2: x(tick),
y2: heightPx - CROSS_PAD.bottom,
class: "b06-chart__grid",
}),
svgText(Math.abs(tick) < 1e-6 ? "0" : tick.toFixed(0), {
x: x(tick),
y: heightPx - CROSS_PAD.bottom + 16,
"text-anchor": "middle",
class: "b06-chart__tick",
}),
);
}
const rawDisplaySpan = displaySpan / exaggeration;
for (let index = 0; index < 5; index += 1) {
const tick = elevationMid - rawDisplaySpan / 2 + (rawDisplaySpan * index) / 4;
const displayTick = elevationMid + (tick - elevationMid) * exaggeration;
svg.append(
svgElement("line", {
x1: CROSS_PAD.left,
y1: y(displayTick),
x2: widthPx - CROSS_PAD.right,
y2: y(displayTick),
class: "b06-chart__grid",
}),
svgText(tick.toFixed(1), {
x: CROSS_PAD.left - 7,
y: y(displayTick) + 3,
"text-anchor": "end",
class: "b06-chart__tick",
}),
);
}
const segments: string[] = [];
let current: string[] = [];
for (const sample of sourceSamples) {
if (!validElevation(sample)) {
if (current.length > 1) segments.push(current.join(" "));
current = [];
continue;
}
const elevated = elevationMid + (sample.elevation_m - elevationMid) * exaggeration;
current.push(`${x(sample.offset_m ?? 0)},${y(elevated)}`);
}
if (current.length > 1) segments.push(current.join(" "));
segments.forEach((points) =>
svg.append(svgElement("polyline", { points, class: "b06-chart__cross-profile" })),
);
if (section.design) {
const toDisplayY = (elevation: number): number =>
y(elevationMid + (elevation - elevationMid) * exaggeration);
appendCrossDesignOverlay(svg, section.design, x, toDisplayY);
}
const centerSample = valid.reduce<(typeof valid)[number] | null>((nearest, sample) => {
if (!nearest || Math.abs(sample.offset_m ?? 0) < Math.abs(nearest.offset_m ?? 0))
return sample;
return nearest;
}, null);
const centerX = x(0);
// 십자선은 계획 노선(계획고) 위치를 가리킨다. 계획선이 없는 구 데이터는 지반고로 폴백한다.
const centerElevation = hasDesign
? (designElevation as number)
: (centerSample?.elevation_m ?? null);
const centerY =
centerElevation !== null
? y(elevationMid + (centerElevation - elevationMid) * exaggeration)
: heightPx / 2;
const centerMarkerClass = `b06-chart__center-marker${hasDesign ? " b06-chart__center-marker--design" : ""}`;
svg.append(
svgElement("line", {
x1: CROSS_PAD.left,
y1: heightPx - CROSS_PAD.bottom,
x2: widthPx - CROSS_PAD.right,
y2: heightPx - CROSS_PAD.bottom,
class: "b06-chart__axis",
}),
svgElement("line", {
x1: CROSS_PAD.left,
y1: CROSS_PAD.top,
x2: CROSS_PAD.left,
y2: heightPx - CROSS_PAD.bottom,
class: "b06-chart__axis",
}),
svgElement("line", {
x1: centerX,
y1: centerY - 18,
x2: centerX,
y2: centerY + 18,
class: centerMarkerClass,
}),
svgElement("line", {
x1: centerX - 18,
y1: centerY,
x2: centerX + 18,
y2: centerY,
class: centerMarkerClass,
}),
svgText(L("B06_Profile_View_CrossXAxis"), {
x: widthPx / 2,
y: heightPx - 8,
"text-anchor": "middle",
class: "b06-chart__axis-label",
}),
svgText(L("B06_Profile_View_ElevationAxis"), {
x: 13,
y: heightPx / 2,
"text-anchor": "middle",
transform: `rotate(-90 13 ${heightPx / 2})`,
class: "b06-chart__axis-label",
}),
);
card.append(svg);
}
const footer = document.createElement("footer");
const center = document.createElement("span");
center.textContent = `${L("B06_Profile_View_CenterElevation")} ${section.center_z?.toFixed(2) ?? "-"}m`;
const azimuth = document.createElement("span");
azimuth.textContent = `${L("B06_Profile_View_Azimuth")} ${section.azimuth_deg?.toFixed(1) ?? "-"}°`;
footer.append(center, azimuth);
card.append(footer);
return card;
}