initial commit

2025-11-26 18:58:15 +08:00
commit 3ec494ca69
168 changed files with 16142 additions and 0 deletions
--- a/android/src/main/java/com/icegps/geotools/DisplaySlopeResult.kt
+++ b/android/src/main/java/com/icegps/geotools/DisplaySlopeResult.kt
@@ -0,0 +1,144 @@
+package com.icegps.geotools
+
+import android.util.Log
+import com.icegps.math.geometry.Vector2D
+import com.icegps.geotools.ktx.toMapboxPoint
+import com.mapbox.geojson.Feature
+import com.mapbox.geojson.FeatureCollection
+import com.mapbox.geojson.Polygon
+import com.mapbox.maps.MapView
+import com.mapbox.maps.Style
+import com.mapbox.maps.extension.style.expressions.generated.Expression
+import com.mapbox.maps.extension.style.layers.addLayer
+import com.mapbox.maps.extension.style.layers.generated.FillLayer
+import com.mapbox.maps.extension.style.layers.generated.LineLayer
+import com.mapbox.maps.extension.style.sources.addSource
+import com.mapbox.maps.extension.style.sources.generated.geoJsonSource
+
+/**
+ * @author tabidachinokaze
+ * @date 2025/11/26
+ */
+/**
+ * 绘制斜坡设计结果
+ */
+fun MapView.displaySlopeResult(
+    originalGrid: GridModel,
+    slopeResult: SlopeResult,
+    sourceId: String = "slope-result",
+    layerId: String = "slope-layer",
+    palette: (Double?) -> String,
+    showDesignHeight: Boolean
+) {
+    val elevationList = mutableListOf<Double>()
+    mapboxMap.getStyle { style ->
+        val features = mutableListOf<Feature>()
+        val designGrid = slopeResult.designSurface
+
+        // 对比测试，将绘制到原来图形的左边
+        // val minX = originalGrid.minX * 2 - originalGrid.maxX
+        val minX = originalGrid.minX
+        val maxY = originalGrid.maxY
+
+        val cellSize = originalGrid.cellSize
+
+        for (r in 0 until originalGrid.rows) {
+            for (c in 0 until originalGrid.cols) {
+                val originalElev = originalGrid.getValue(r, c) ?: continue
+                val designElev = designGrid.getValue(r, c) ?: continue
+                elevationList.add(designElev)
+
+                // 计算填挖高度
+                val heightDiff = designElev - originalElev
+
+                // 计算栅格边界
+                val x0 = minX + c * cellSize
+                val y0 = maxY - r * cellSize
+                val x1 = x0 + cellSize
+                val y1 = y0 - cellSize
+
+                // 1. 创建多边形要素（背景色）
+                val ring = listOf(
+                    Vector2D(x0, y0),
+                    Vector2D(x1, y0),
+                    Vector2D(x1, y1),
+                    Vector2D(x0, y1),
+                    Vector2D(x0, y0)
+                ).map { it.toMapboxPoint() }
+                val poly = Polygon.fromLngLats(listOf(ring))
+                val feature = Feature.fromGeometry(poly)
+
+                if (showDesignHeight) {
+                    // 显示设计高度，测试坡向是否正确，和高度是否计算正确
+                    feature.addStringProperty("color", palette(designElev))
+                } else {
+                    // 显示高差
+                    feature.addStringProperty("color", palette(heightDiff))
+                }
+                // 显示原始高度
+                // feature.addStringProperty("color", palette(originalElev))
+                features.add(feature)
+            }
+        }
+
+        Log.d("displayGridWithDirectionArrows", "对比区域的土方量计算: ${elevationList.sum()}, 平均值：${elevationList.average()}")
+
+        // 设置图层
+        setupEarthworkLayer(style, sourceId, layerId, features)
+    }
+}
+
+/**
+ * 完整的土方工程图层设置 - 修正版
+ */
+private fun setupEarthworkLayer(
+    style: Style,
+    sourceId: String,
+    layerId: String,
+    features: List<Feature>,
+) {
+    // 创建数据源
+    val source = geoJsonSource(sourceId) {
+        featureCollection(FeatureCollection.fromFeatures(features))
+    }
+
+    // 清理旧图层
+    try {
+        style.removeStyleLayer(layerId)
+    } catch (_: Exception) {
+    }
+    try {
+        style.removeStyleLayer("$layerId-arrow")
+    } catch (_: Exception) {
+    }
+    try {
+        style.removeStyleLayer("$layerId-outline")
+    } catch (_: Exception) {
+    }
+    try {
+        style.removeStyleLayer("$layerId-text")
+    } catch (_: Exception) {
+    }
+
+    if (style.styleSourceExists(sourceId)) {
+        style.removeStyleSource(sourceId)
+    }
+
+    // 添加数据源
+    style.addSource(source)
+
+    // 主填充图层
+    val fillLayer = FillLayer(layerId, sourceId).apply {
+        fillColor(Expression.toColor(Expression.get("color")))
+        fillOpacity(0.7)
+    }
+    style.addLayer(fillLayer)
+
+    // 边框图层
+    val outlineLayer = LineLayer("$layerId-outline", sourceId).apply {
+        lineColor("#333333")
+        lineWidth(1.0)
+        lineOpacity(0.5)
+    }
+    style.addLayer(outlineLayer)
+}