From 721679fe5e29bb9f2bd9518f573fdacd073bb5f5 Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Sun, 26 Jul 2026 19:29:06 +0900
Subject: [PATCH] auto: 2026-07-26 19:29 (ESD_LAPTOP)

---
 .../B04_wf1_Surface_UI_MapViewer.ts           | 23 ++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/B04_wf1_Surface/B04_wf1_Surface_UI_MapViewer.ts b/B04_wf1_Surface/B04_wf1_Surface_UI_MapViewer.ts
index f0d9290d..2b8c3bbc 100644
--- a/B04_wf1_Surface/B04_wf1_Surface_UI_MapViewer.ts
+++ b/B04_wf1_Surface/B04_wf1_Surface_UI_MapViewer.ts
@@ -308,6 +308,7 @@ export function createSurfaceMapViewer(): SurfaceMapViewer {
     coordinates: unknown,
     width: number,
     height: number,
+    marker: "dot" | "x" = "dot",
   ): void {
     if (
       !Array.isArray(coordinates) ||
@@ -317,6 +318,20 @@ export function createSurfaceMapViewer(): SurfaceMapViewer {
       return;
     }
     const [x, y] = toCanvasPoint(coordinates[0], coordinates[1], width, height);
+    if (marker === "x") {
+      // 표고점: 조금 굵고 큰 X 마커
+      const arm = 4;
+      const prevWidth = context.lineWidth;
+      context.lineWidth = 2;
+      context.beginPath();
+      context.moveTo(x - arm, y - arm);
+      context.lineTo(x + arm, y + arm);
+      context.moveTo(x - arm, y + arm);
+      context.lineTo(x + arm, y - arm);
+      context.stroke();
+      context.lineWidth = prevWidth;
+      return;
+    }
     context.beginPath();
     context.arc(x, y, 2, 0, Math.PI * 2);
     context.fillStyle = context.strokeStyle;
@@ -374,13 +389,14 @@ export function createSurfaceMapViewer(): SurfaceMapViewer {
     geometry: GeoJsonGeometry,
     width: number,
     height: number,
+    marker: "dot" | "x" = "dot",
   ): void {
     const coordinates = geometry.coordinates;
     if (!Array.isArray(coordinates)) return;
     if (geometry.type === "Point") {
-      drawPoint(context, coordinates, width, height);
+      drawPoint(context, coordinates, width, height, marker);
     } else if (geometry.type === "MultiPoint") {
-      coordinates.forEach((point) => drawPoint(context, point, width, height));
+      coordinates.forEach((point) => drawPoint(context, point, width, height, marker));
     } else if (geometry.type === "LineString") {
       drawRing(context, coordinates, width, height, false);
     } else if (geometry.type === "MultiLineString") {
@@ -429,8 +445,9 @@ export function createSurfaceMapViewer(): SurfaceMapViewer {
       if (!activeGisLayers.has(layer)) return;
       context.lineWidth = isContour(layer) ? 0.7 : 1.5;
       context.strokeStyle = GIS_LAYER_COLORS[layer];
+      const marker = layer === "도엽_표고점" ? "x" : "dot";
       geoJsonLayers.get(layer)?.features?.forEach((feature) => {
-        if (feature.geometry) drawGeometry(context, feature.geometry, width, height);
+        if (feature.geometry) drawGeometry(context, feature.geometry, width, height, marker);
       });
     });
     if (showContourLabels) drawContourLabels(context, width, height);