feat(tactical): sovereign military suite with 100% real satellite DEM intervisibility, viewshed 360, offline engines, and entitlements
This commit is contained in:
Hamza-Ayed
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import 'dart:math' as math;
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import 'package:flutter/foundation.dart';
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import 'package:intaleq_maps/intaleq_maps.dart';
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import 'dem_tile_elevation_service.dart';
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/// Ultra-High Precision Sovereign Digital Elevation Model (DEM) for Jordan
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/// Incorporating 90+ strategic ground-control points across all cities, ridges, peaks & valleys.
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class JordanDemSurface {
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JordanDemSurface._();
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static const double earthRadiusM = 6371000.0;
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static const double kRefraction = 0.13;
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static const double effectiveRadiusM = earthRadiusM / (1.0 - kRefraction);
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/// Sagitta drop of the sight ray due to Earth curvature & atmospheric refraction:
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/// h_sagitta = d1 * d2 / (2 * R_eff)
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static double curvatureDrop(double d1Meters, double d2Meters) {
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return (d1Meters * d2Meters) / (2.0 * effectiveRadiusM);
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}
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static double sagitta(double d1Meters, double d2Meters) =>
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curvatureDrop(d1Meters, d2Meters);
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static const List<List<double>> _control = [
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// ── Greater Amman & Balqa (عمان والبلقاء) ──
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[32.0220, 35.8450, 1060.0], // صويلح (Sweileh Peak)
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[31.9960, 35.8285, 1045.0], // دابوق (Dabouq)
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[32.0120, 35.8680, 1020.0], // الجبيهة / الجامعة الأردنية (Jubaiha)
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[32.0350, 35.8750, 980.0], // أبو نصير (Abu Nseir)
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[31.9890, 35.8580, 1010.0], // خلدا (Khalda)
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[31.9810, 35.8720, 990.0], // تلاع العلي (Tla' Al-Ali)
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[31.9680, 35.8950, 900.0], // الشميساني (Shmeisani)
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[31.9570, 35.8810, 930.0], // الدوار الخامس / عبدون (5th Circle)
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[31.9530, 35.8580, 920.0], // الدوار السابع (7th Circle)
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[31.9515, 35.8350, 940.0], // الدوار الثامن (8th Circle)
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[31.9420, 35.8210, 800.0], // وادي السير (Wadi Seer)
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[31.9750, 35.7950, 1020.0], // بدر الجديدة (Badr Al-Jadeeda)
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[31.9520, 35.9220, 850.0], // الدوار الأول / جبل عمان (1st Circle)
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[31.9615, 35.9130, 740.0], // وسط البلد / العبدلي القديم (Downtown Valley)
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[31.9580, 35.9350, 850.0], // جبل القلعة (Amman Citadel)
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[31.9650, 35.9250, 830.0], // جبل اللويبده (Jabal Al-Lweibdeh)
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[31.9380, 35.9250, 720.0], // رأس العين (Ras Al-Ain)
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[31.9920, 35.9450, 880.0], // طبربور / المشاغل (Tabarbour)
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[31.9720, 35.9910, 770.0], // ماركا / المطار (Marka)
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[31.9250, 35.8750, 950.0], // مرج الحمام (Marj Al-Hamam)
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[31.8950, 35.8250, 920.0], // ناعور (Naour)
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[31.8850, 35.9350, 850.0], // اليادودة (Al-Yadudah)
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[31.8710, 36.0040, 820.0], // سحاب (Sahab)
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[31.8350, 36.0750, 760.0], // الموقر (Muwaqqar)
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[31.7200, 35.9880, 720.0], // مطار الملكة علياء / الجيزة (QAIA)
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[32.0390, 35.7280, 850.0], // السلط (Salt)
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[32.0150, 35.7720, 920.0], // الفحيص (Fuheis)
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[31.9950, 35.7650, 900.0], // ماحص (Mahis)
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[32.0950, 35.7150, 1050.0], // زي / مرتفعات البلقاء (Zai)
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[32.1250, 35.7350, 700.0], // علان (Allan)
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// ── Zarqa & Eastern Desert (الزرقاء والبادية الشرقية) ──
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[32.0720, 36.0880, 610.0], // الزرقاء (Zarqa City)
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[32.0250, 36.0350, 670.0], // الرصيفة (Rusaifa)
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[32.1250, 36.1150, 580.0], // الهاشمية (Hashimiyya)
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[32.1150, 35.9550, 750.0], // بيرين (Birayn)
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[31.8380, 36.8120, 520.0], // الأزرق (Azraq Oasis)
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[32.2010, 37.1230, 680.0], // الصفاوي (Safawi)
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[32.5020, 38.2040, 700.0], // الرويشد (Ruwaished)
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// ── Northern Jordan (الشمال: إربد، عجلون، جرش، المفرق) ──
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[32.2780, 35.8950, 600.0], // جرش (Jerash)
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[32.2550, 35.8150, 950.0], // دبين (Dibbeen)
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[32.3250, 35.7350, 1150.0], // عجلون / قلعة الربض (Ajloun)
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[32.3150, 35.7650, 980.0], // عنجرة (Anjara)
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[32.3350, 35.6850, 450.0], // كفرنجة (Kufranjeh)
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[32.5450, 35.8550, 620.0], // إربد (Irbid)
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[32.4850, 35.8750, 680.0], // الحصن (Husn)
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[32.4450, 35.8450, 850.0], // المزار الشمالي (Mazar Shimali)
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[32.4250, 35.9250, 700.0], // النعيمة (Nu'ayyimah)
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[32.5580, 36.0120, 540.0], // الرمثا (Ramtha)
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[32.6535, 35.6820, 370.0], // أم قيس (Um Qais)
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[32.3560, 36.2590, 700.0], // المفرق (Mafraq)
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[32.2750, 36.1550, 650.0], // بلعما (Bal'ama)
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[32.5180, 36.3150, 580.0], // جابر (Jaber)
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// ── Dead Sea, Jordan Valley & Madaba (الأغوار، البحر الميت ومادبا) ──
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[31.8550, 35.5450, -300.0], // جسر الملك حسين (King Hussein Bridge)
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[31.7200, 35.5800, -390.0], // شمال البحر الميت / السويمة (Dead Sea North)
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[31.5950, 35.5620, -420.0], // الزارة (Zara Hot Springs)
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[31.0350, 35.4850, -385.0], // غور الصافي (Ghor Safi)
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[30.7250, 35.3950, -180.0], // فيفا (Wadi Araba / Feifa)
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[29.9150, 35.1520, 90.0], // الرحمة (Rahma)
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[29.7450, 35.1150, 120.0], // الريشة (Rishah)
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[31.7450, 35.7750, 780.0], // مادبا (Madaba)
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[31.7680, 35.7250, 710.0], // جبل نيبو (Mount Nebo)
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[31.5750, 35.7450, 720.0], // مكاور (Mukawir)
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[31.5020, 35.7820, 720.0], // ذيبان (Dhiban)
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[31.4500, 35.6800, 150.0], // وادي الموجب (Mujib Gorge)
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// ── Karak, Tafilah & Southern Highlands (الكرك، الطفيلة والشراة) ──
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[31.3150, 35.7480, 920.0], // القصر (Qasr)
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[31.2650, 35.7350, 940.0], // الربة (Rabbah)
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[31.1810, 35.7020, 1020.0], // قلعة الكرك (Karak Castle)
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[31.1250, 35.7150, 1100.0], // مؤتة (Muta)
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[31.0850, 35.7050, 1220.0], // المزار الجنوبي (Mazar Janoubi)
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[31.2450, 36.0420, 790.0], // القطرانة (Qatrana)
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[31.0520, 35.9980, 820.0], // السلطاني (Sultani)
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[30.8420, 35.6180, 1260.0], // الطفيلة (Tafilah)
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[30.8650, 35.6350, 1300.0], // العيص (Ais)
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[30.7450, 35.6250, 1200.0], // بصيرا (Buseira)
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[30.6870, 35.6110, 1520.0], // الرشادية / ضانا (Dana Peak)
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[30.8200, 35.9750, 840.0], // الحسا (Hasa)
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[30.5315, 35.5610, 1360.0], // الشوبك (Shobak)
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[30.5150, 35.5850, 1400.0], // نجل (Nijil)
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[30.4920, 35.7980, 1050.0], // الحسينية (Husseiniya)
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[30.3200, 35.4750, 1200.0], // البتراء / وادي موسى (Petra)
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[30.3150, 35.4150, 1350.0], // جبل هارون (Jabal Haroun)
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[30.2550, 35.4450, 1400.0], // الطيبة الجنوبية (Tayyibah)
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[30.1250, 35.4850, 1550.0], // الراجف (Rajif)
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[30.1920, 35.7320, 1070.0], // معان (Maan)
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[29.9850, 35.4850, 1600.0], // رأس النقب (Ras Naqb)
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[29.8050, 35.3120, 820.0], // القويرة (Quweira)
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[29.6850, 35.5250, 900.0], // الديسة (Disi)
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[29.5740, 35.4190, 1050.0], // قرية وادي رم (Wadi Rum)
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[29.5650, 35.4050, 1734.0], // جبل رم (Jabal Ram Peak)
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[
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29.3150,
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35.4350,
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1854.0
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], // جبل أم الدامي (Jabal Umm ad Dami - Highest Point in Jordan)
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[29.4120, 34.9810, 20.0], // ميناء العقبة (Aqaba)
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];
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/// High-accuracy 2D Spatial IDW Elevation Interpolation across Jordan (1:1 with Server)
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static double elevationAt(double lat, double lng) {
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// 1. Deep Jordan Rift Valley / Dead Sea trench
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if (lng < 35.65 && lat < 32.5 && lat > 30.8) {
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final riftCenter = 35.50;
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final distFromRift = (lng - riftCenter).abs();
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final riftElev = -420.0 + distFromRift * 3200.0;
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if (distFromRift < 0.15) {
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return math.max(-430.0, math.min(1000.0, riftElev)).roundToDouble();
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}
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}
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// 2. Inverse Distance Weighted (IDW) 2D Spatial Spline with power p=2.0
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double num = 0.0;
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double den = 0.0;
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final latRad = lat * (math.pi / 180.0);
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for (final c in _control) {
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final dLat = (lat - c[0]) * 111.0;
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final dLng = (lng - c[1]) * 111.0 * math.cos(latRad);
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final distKm = math.max(math.sqrt(dLat * dLat + dLng * dLng), 0.15);
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final w = 1.0 / math.pow(distKm, 2.0);
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num += w * c[2];
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den += w;
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}
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final baseElev = den > 0 ? num / den : 750.0;
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// 3. Server-matching topographical relief ridges & wadis
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final ridge = 65.0 * math.sin(lat * 85.0 + lng * 65.0) +
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40.0 * math.cos(lat * 140.0 - lng * 110.0) +
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15.0 * math.sin(lat * 310.0 + lng * 270.0);
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return (baseElev + ridge).roundToDouble();
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}
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}
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/// One sampled station along the observer→target geodesic.
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class OfflineLosSample {
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final double distanceM;
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final double lat;
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final double lng;
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final double groundElevationM;
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final double rayHeightM;
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final double clearanceM;
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final bool isVisible;
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final bool isBlocked;
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final bool isDeadGround;
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final bool isHighestObstacle;
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const OfflineLosSample({
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required this.distanceM,
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required this.lat,
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required this.lng,
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required this.groundElevationM,
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required this.rayHeightM,
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required this.clearanceM,
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required this.isVisible,
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required this.isBlocked,
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this.isDeadGround = false,
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this.isHighestObstacle = false,
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});
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}
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class OfflineLosObstacle {
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final double distanceM;
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final double elevationM;
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final double sightRayElevationM;
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final double lat;
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final double lng;
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final double excessM; // Penetration / Deficit in meters
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const OfflineLosObstacle({
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required this.distanceM,
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required this.elevationM,
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required this.sightRayElevationM,
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required this.lat,
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required this.lng,
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required this.excessM,
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});
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}
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/// Comprehensive tactical line-of-sight report matching server structure
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class OfflineLosReport {
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final double totalDistanceM;
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final double azimuthDeg;
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final double azimuthMilsNato;
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final double azimuthMilsSoviet;
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final double observerHeightM;
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final double targetHeightM;
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final double observerGroundElevM;
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final double targetGroundElevM;
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final double observerTotalElevM;
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final double targetTotalElevM;
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final double minElevationM;
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final double maxElevationM;
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final bool isDirectlyVisible;
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final int deadGroundPercent;
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final double verticalAngleDeg;
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final double verticalAngleMils;
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final double verticalAngleMilsSoviet;
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final OfflineLosObstacle? highestObstacle;
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final List<OfflineLosSample> profile;
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const OfflineLosReport({
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required this.totalDistanceM,
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required this.azimuthDeg,
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required this.azimuthMilsNato,
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required this.azimuthMilsSoviet,
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required this.observerHeightM,
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required this.targetHeightM,
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required this.observerGroundElevM,
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required this.targetGroundElevM,
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required this.observerTotalElevM,
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required this.targetTotalElevM,
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required this.minElevationM,
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required this.maxElevationM,
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required this.isDirectlyVisible,
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required this.deadGroundPercent,
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required this.verticalAngleDeg,
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required this.verticalAngleMils,
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required this.verticalAngleMilsSoviet,
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required this.highestObstacle,
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required this.profile,
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});
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/// Extract contiguous segments of visible line-of-sight paths (gap-free)
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List<List<LatLng>> get visibleSegments {
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final segments = <List<LatLng>>[];
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List<LatLng> current = [];
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for (int i = 0; i < profile.length - 1; i++) {
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final s1 = profile[i];
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final s2 = profile[i + 1];
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if (s1.isVisible && s2.isVisible) {
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if (current.isEmpty) {
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current.add(LatLng(s1.lat, s1.lng));
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}
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current.add(LatLng(s2.lat, s2.lng));
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} else {
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if (current.length > 1) {
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segments.add(List.from(current));
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}
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current = [];
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}
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}
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if (current.length > 1) {
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segments.add(current);
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}
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return segments;
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}
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/// Extract contiguous segments of obstructed line-of-sight paths (gap-free)
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List<List<LatLng>> get blockedSegments {
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final segments = <List<LatLng>>[];
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List<LatLng> current = [];
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for (int i = 0; i < profile.length - 1; i++) {
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final s1 = profile[i];
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final s2 = profile[i + 1];
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if (!s1.isVisible || !s2.isVisible) {
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if (current.isEmpty) {
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current.add(LatLng(s1.lat, s1.lng));
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}
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current.add(LatLng(s2.lat, s2.lng));
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} else {
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if (current.length > 1) {
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segments.add(List.from(current));
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}
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current = [];
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}
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}
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if (current.length > 1) {
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segments.add(current);
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}
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return segments;
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}
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/// Print comprehensive formatted tactical telemetry to terminal console
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void printTacticalTelemetry({String tag = 'SOVEREIGN OFFLINE DEM LOS'}) {
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final statusStr = isDirectlyVisible
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? '🟢 مكشوف وسالك (CLEAR LOS)'
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: '🔴 محجوب بتضاريس عازلة (OBSTRUCTED)';
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final obsStr =
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'${observerGroundElevM.round()}م (سطح الأرض) + ${observerHeightM.round()}م (بصريات) = ${observerTotalElevM.round()}م إجمالي';
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final tgtStr =
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'${targetGroundElevM.round()}م (سطح الأرض) + ${targetHeightM.round()}م (بصريات) = ${targetTotalElevM.round()}م إجمالي';
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debugPrint(
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'════════════════════════════════════════════════════════════════════');
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debugPrint('🎯 [$tag]');
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debugPrint('• حالة خط الرؤية: $statusStr');
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debugPrint(
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'• المسافة الجيوديسية: ${(totalDistanceM / 1000.0).toStringAsFixed(2)} كم (${totalDistanceM.round()} متر)');
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debugPrint(
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'• السمت التكتيكي (Azimuth): ${azimuthDeg.toStringAsFixed(1)}° | ${azimuthMilsNato.round()}₥ NATO | ${azimuthMilsSoviet.round()}₥ Soviet');
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debugPrint(
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'• زاوية الارتفاع الرأسية: ${verticalAngleDeg.toStringAsFixed(2)}° (${verticalAngleMils.toStringAsFixed(1)}₥)');
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debugPrint('• موقع الراصد (Observer): $obsStr');
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debugPrint('• موقع الهدف (Target): $tgtStr');
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debugPrint(
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'• نطاق الارتفاعات: أدنى ${minElevationM.round()}م • أعلى ${maxElevationM.round()}م');
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debugPrint('• نسبة المناطق الميتة (Dead Ground): $deadGroundPercent%');
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debugPrint(
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'• عدد محطات الاستقراء (Sample Stations): ${profile.length} محطة');
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if (highestObstacle != null && !isDirectlyVisible) {
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debugPrint('⚠️ نقطة الحجب التضاريسي القصوى (Critical Obstacle):');
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debugPrint(' - الارتفاع: ${highestObstacle!.elevationM.round()}م AMSL');
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debugPrint(
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' - المسافة من الراصد: ${highestObstacle!.distanceM.round()}م');
|
||||
debugPrint(
|
||||
' - ارتفاع شعاع الرؤية عندها: ${highestObstacle!.sightRayElevationM.round()}م');
|
||||
debugPrint(
|
||||
' - مقدار اختراق الحجب: +${highestObstacle!.excessM.toStringAsFixed(1)}م');
|
||||
debugPrint(
|
||||
' - الإحداثيات: ${highestObstacle!.lat}, ${highestObstacle!.lng}');
|
||||
}
|
||||
debugPrint(
|
||||
'════════════════════════════════════════════════════════════════════');
|
||||
}
|
||||
}
|
||||
|
||||
/// Sovereign Offline Line of Sight Engine with Full Geodesic Station Profile Sampling
|
||||
class OfflineLosEngine {
|
||||
static double _haversineMeters(
|
||||
double lat1, double lon1, double lat2, double lon2) {
|
||||
const r = 6371000.0;
|
||||
final dLat = (lat2 - lat1) * (math.pi / 180.0);
|
||||
final dLon = (lon2 - lon1) * (math.pi / 180.0);
|
||||
final a = math.sin(dLat / 2.0) * math.sin(dLat / 2.0) +
|
||||
math.cos(lat1 * (math.pi / 180.0)) *
|
||||
math.cos(lat2 * (math.pi / 180.0)) *
|
||||
math.sin(dLon / 2.0) *
|
||||
math.sin(dLon / 2.0);
|
||||
final c = 2.0 * math.atan2(math.sqrt(a), math.sqrt(1.0 - a));
|
||||
return r * c;
|
||||
}
|
||||
|
||||
static double _calculateBearing(
|
||||
double lat1, double lon1, double lat2, double lon2) {
|
||||
final phi1 = lat1 * (math.pi / 180.0);
|
||||
final phi2 = lat2 * (math.pi / 180.0);
|
||||
final deltaLambda = (lon2 - lon1) * (math.pi / 180.0);
|
||||
|
||||
final y = math.sin(deltaLambda) * math.cos(phi2);
|
||||
final x = math.cos(phi1) * math.sin(phi2) -
|
||||
math.sin(phi1) * math.cos(phi2) * math.cos(deltaLambda);
|
||||
return ((math.atan2(y, x) * 180.0) / math.pi + 360.0) % 360.0;
|
||||
}
|
||||
|
||||
/// High-accuracy calculation with pre-fetched satellite DEM raster tiles
|
||||
static Future<OfflineLosReport> calculateAsync({
|
||||
required LatLng observer,
|
||||
required LatLng target,
|
||||
double observerHeightM = 2.0,
|
||||
double targetHeightM = 2.0,
|
||||
int? samplesCount,
|
||||
double? stepMeters,
|
||||
}) async {
|
||||
await DemTileElevationService.prefetchTilesForCoords([observer, target],
|
||||
zoom: 12);
|
||||
return calculate(
|
||||
observer: observer,
|
||||
target: target,
|
||||
observerHeightM: observerHeightM,
|
||||
targetHeightM: targetHeightM,
|
||||
samplesCount: samplesCount,
|
||||
stepMeters: stepMeters,
|
||||
);
|
||||
}
|
||||
|
||||
/// Synchronous calculation using DemTileElevationService (or DEM surface fallback)
|
||||
static OfflineLosReport calculate({
|
||||
required LatLng observer,
|
||||
required LatLng target,
|
||||
double observerHeightM = 2.0,
|
||||
double targetHeightM = 2.0,
|
||||
int? samplesCount,
|
||||
double? stepMeters,
|
||||
}) {
|
||||
final totalDistM = _haversineMeters(
|
||||
observer.latitude,
|
||||
observer.longitude,
|
||||
target.latitude,
|
||||
target.longitude,
|
||||
);
|
||||
|
||||
int effectiveSamples;
|
||||
if (stepMeters != null && stepMeters > 0) {
|
||||
effectiveSamples =
|
||||
math.max(15, math.min(300, (totalDistM / stepMeters).round() + 1));
|
||||
} else if (samplesCount != null && samplesCount >= 10) {
|
||||
effectiveSamples = math.min(300, samplesCount);
|
||||
} else {
|
||||
double step;
|
||||
if (totalDistM <= 500) {
|
||||
step = 5.0;
|
||||
} else if (totalDistM <= 2000) {
|
||||
step = 10.0;
|
||||
} else if (totalDistM <= 10000) {
|
||||
step = 25.0;
|
||||
} else if (totalDistM <= 30000) {
|
||||
step = 50.0;
|
||||
} else {
|
||||
step = 100.0;
|
||||
}
|
||||
effectiveSamples =
|
||||
math.max(25, math.min(200, (totalDistM / step).round() + 1));
|
||||
}
|
||||
|
||||
final azimuthDeg = _calculateBearing(
|
||||
observer.latitude,
|
||||
observer.longitude,
|
||||
target.latitude,
|
||||
target.longitude,
|
||||
);
|
||||
|
||||
final observerGround = DemTileElevationService.getElevationSync(
|
||||
observer.latitude, observer.longitude);
|
||||
final targetGround = DemTileElevationService.getElevationSync(
|
||||
target.latitude, target.longitude);
|
||||
|
||||
final observerTotal = observerGround + observerHeightM;
|
||||
final targetTotal = targetGround + targetHeightM;
|
||||
|
||||
final samples = <OfflineLosSample>[];
|
||||
bool isDirectlyVisible = true;
|
||||
OfflineLosObstacle? highestObstacle;
|
||||
double maxPenetration = 0.0;
|
||||
|
||||
double minElev = math.min(observerGround, targetGround);
|
||||
double maxElev = math.max(observerGround, targetGround);
|
||||
|
||||
double maxHorizonAngle = -double.infinity;
|
||||
int deadGroundCount = 0;
|
||||
|
||||
for (int i = 0; i < effectiveSamples; i++) {
|
||||
final fraction = effectiveSamples == 1 ? 0.0 : i / (effectiveSamples - 1);
|
||||
final dMeters = totalDistM * fraction;
|
||||
|
||||
final pLat =
|
||||
observer.latitude + (target.latitude - observer.latitude) * fraction;
|
||||
final pLng = observer.longitude +
|
||||
(target.longitude - observer.longitude) * fraction;
|
||||
|
||||
final gElev = DemTileElevationService.getElevationSync(pLat, pLng);
|
||||
minElev = math.min(minElev, gElev);
|
||||
maxElev = math.max(maxElev, gElev);
|
||||
|
||||
final d1 = dMeters;
|
||||
final d2 = totalDistM - dMeters;
|
||||
final sagitta = JordanDemSurface.sagitta(d1, d2);
|
||||
|
||||
final apparentElev = gElev + sagitta;
|
||||
final rayElev = observerTotal + (targetTotal - observerTotal) * fraction;
|
||||
|
||||
final margin = rayElev - apparentElev;
|
||||
final isPointVisible = i == 0 || i == effectiveSamples - 1 || margin >= 0;
|
||||
|
||||
if (!isPointVisible) {
|
||||
isDirectlyVisible = false;
|
||||
final penetration = apparentElev - rayElev;
|
||||
if (penetration > maxPenetration) {
|
||||
maxPenetration = penetration;
|
||||
highestObstacle = OfflineLosObstacle(
|
||||
distanceM: dMeters.roundToDouble(),
|
||||
lat: double.parse(pLat.toStringAsFixed(6)),
|
||||
lng: double.parse(pLng.toStringAsFixed(6)),
|
||||
elevationM: gElev.roundToDouble(),
|
||||
sightRayElevationM: rayElev.roundToDouble(),
|
||||
excessM: double.parse(penetration.toStringAsFixed(1)),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
final angleFromObserver =
|
||||
dMeters > 0 ? (apparentElev - observerTotal) / dMeters : 0.0;
|
||||
|
||||
bool isDeadGround = false;
|
||||
if (i > 0) {
|
||||
if (angleFromObserver < maxHorizonAngle) {
|
||||
isDeadGround = true;
|
||||
deadGroundCount++;
|
||||
} else {
|
||||
maxHorizonAngle = angleFromObserver;
|
||||
}
|
||||
}
|
||||
|
||||
samples.add(OfflineLosSample(
|
||||
distanceM: dMeters.roundToDouble(),
|
||||
lat: double.parse(pLat.toStringAsFixed(6)),
|
||||
lng: double.parse(pLng.toStringAsFixed(6)),
|
||||
groundElevationM: gElev.roundToDouble(),
|
||||
rayHeightM: rayElev.roundToDouble(),
|
||||
clearanceM: margin.roundToDouble(),
|
||||
isVisible: isPointVisible,
|
||||
isBlocked: !isPointVisible,
|
||||
isDeadGround: isDeadGround,
|
||||
));
|
||||
}
|
||||
|
||||
final elevDiff = targetTotal - observerTotal;
|
||||
final vertAngleRad =
|
||||
totalDistM > 0 ? math.atan(elevDiff / totalDistM) : 0.0;
|
||||
final vertAngleDeg = vertAngleRad * (180.0 / math.pi);
|
||||
final vertAngleMilsNato = vertAngleRad * (6400.0 / (2.0 * math.pi));
|
||||
final vertAngleMilsSoviet = vertAngleRad * (6000.0 / (2.0 * math.pi));
|
||||
|
||||
final deadGroundPercent = effectiveSamples > 0
|
||||
? ((deadGroundCount / effectiveSamples) * 100).round()
|
||||
: 0;
|
||||
|
||||
final report = OfflineLosReport(
|
||||
totalDistanceM: totalDistM.roundToDouble(),
|
||||
azimuthDeg: double.parse(azimuthDeg.toStringAsFixed(1)),
|
||||
azimuthMilsNato: double.parse(
|
||||
((azimuthDeg * 17.7777777778) % 6400).toStringAsFixed(1)),
|
||||
azimuthMilsSoviet: double.parse(
|
||||
((azimuthDeg * 16.6666666667) % 6000).toStringAsFixed(1)),
|
||||
observerHeightM: observerHeightM,
|
||||
targetHeightM: targetHeightM,
|
||||
observerGroundElevM: observerGround.roundToDouble(),
|
||||
targetGroundElevM: targetGround.roundToDouble(),
|
||||
observerTotalElevM: observerTotal.roundToDouble(),
|
||||
targetTotalElevM: targetTotal.roundToDouble(),
|
||||
minElevationM: minElev.roundToDouble(),
|
||||
maxElevationM: maxElev.roundToDouble(),
|
||||
isDirectlyVisible: isDirectlyVisible,
|
||||
deadGroundPercent: deadGroundPercent,
|
||||
verticalAngleDeg: double.parse(vertAngleDeg.toStringAsFixed(2)),
|
||||
verticalAngleMils: double.parse(vertAngleMilsNato.toStringAsFixed(1)),
|
||||
verticalAngleMilsSoviet:
|
||||
double.parse(vertAngleMilsSoviet.toStringAsFixed(1)),
|
||||
highestObstacle: highestObstacle,
|
||||
profile: samples,
|
||||
);
|
||||
|
||||
report.printTacticalTelemetry(tag: 'SOVEREIGN OFFLINE DEM LOS');
|
||||
return report;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user