Initial commit

src/main/kotlin/Main.kt

@@ -0,0 +1,78 @@
+package org.example
+
+import org.osm2world.O2WConverter
+import org.osm2world.map_data.creation.OSMToMapDataConverter
+import org.osm2world.math.geo.LatLon
+import org.osm2world.math.geo.MetricMapProjection
+import org.osm2world.math.geo.OrthographicAzimuthalMapProjection
+import org.osm2world.osm.creation.OSMFileReader
+import org.osm2world.osm.creation.OverpassReader
+import org.osm2world.output.gltf.GltfOutput
+import java.awt.Desktop
+import java.io.File
+
+fun main() {
+
+    /* ----------------------------------------------------------------
+       1)  GET THE OSM DATA
+       ---------------------------------------------------------------- */
+
+    val useLocalExtract = false             // <- flip to true if you have a .osm.pbf on disk
+
+    val osmData = if (useLocalExtract) {
+        // A) Read from a downloaded extract (fast, offline)
+        OSMFileReader(File("virginia.osm.pbf")).getAllData()
+
+    } else {
+        // B) Live Overpass pull (fresh, great for small/medium areas)
+        val bbox = "37.115,-76.396,37.139,-76.345"         // south,west,north,east   (≈ Poquoson, VA)
+        val query = """
+            [out:xml][timeout:25];
+            (
+              node($bbox);
+              way($bbox);
+              relation($bbox);
+            );
+            out body;
+            >;
+            out skel qt;
+        """.trimIndent()
+
+        OverpassReader().getData(query)
+    }
+
+    /* ----------------------------------------------------------------
+       2)  CONVERT TO MapData, THEN TO 3-D GEOMETRY
+       ---------------------------------------------------------------- */
+
+    val origin = LatLon(37.120907, -76.333694)
+
+    val projection = OrthographicAzimuthalMapProjection(origin)
+    val mapData   = OSMToMapDataConverter(projection).createMapData(osmData, null)
+
+    val o2w       = O2WConverter()
+    val output    = File("municipality.glb")
+    o2w.convert(mapData, null, GltfOutput(output))
+
+    println("Generated ${output.absolutePath}")
+
+    /* ----------------------------------------------------------------
+       3)  OPEN IT IN THE DEFAULT VIEWER
+       ---------------------------------------------------------------- */
+
+    try {
+        if (Desktop.isDesktopSupported()) {
+            val desktop = Desktop.getDesktop()
+            if (desktop.isSupported(Desktop.Action.OPEN)) {
+                desktop.open(output)
+                println("Opening ${output.name} in default viewer …")
+            } else {
+                println("Desktop OPEN action not supported on this system.")
+            }
+        } else {
+            println("Desktop is not supported on this system.")
+        }
+    } catch (e: Exception) {
+        println("Could not open file automatically: ${e.message}")
+    }
+}