GNSS minőség adatok kijelzése (pod-ok)

lib/pages/map_survey/presentations/controllers/map_survey_controller.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 import 'dart:math';
+import 'dart:math' as math;
 
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
@@ -65,10 +66,16 @@ class MapSurveyController extends GetxController {
   Rx<DateTime> get gpsDateTime => _gnss.gpsDateTime;
   bool get gpsIsConnected =>
       _gnss.connectionState.value == GnssConnectionState.connected;
+  double? get horizontalAccuracy => _gnss.horizontalAccuracy;
+
+  RxDouble get pdop => _gnss.pdop;
+  RxDouble get hdop => _gnss.hdop;
+  RxDouble get vdop => _gnss.vdop;
 
   final wgs84CoordinateFormat = Wgs84CoordinateFormat.decimalDegrees.obs;
   final showWgs84Card = true.obs;
   final showEovCard = true.obs;
+  final showGnssQualityCard = true.obs;
 
   // NTRIP állapot
   RxBool get ntripIsConnected => _ntrip.isConnected;
@@ -799,6 +806,10 @@ class MapSurveyController extends GetxController {
     showEovCard.value = !showEovCard.value;
   }
 
+  void toggleShowGnssQualityCard() {
+    showGnssQualityCard.value = !showGnssQualityCard.value;
+  }
+
   String get latitudeText {
     return Wgs84CoordinateFormatter.formatLatitude(
         gpsLatitude.value, wgs84CoordinateFormat.value);
@@ -808,4 +819,28 @@ class MapSurveyController extends GetxController {
     return Wgs84CoordinateFormatter.formatLongitude(
         gpsLongitude.value, wgs84CoordinateFormat.value);
   }
+
+  String formatDop(double? value) {
+    if (value == null || value.isNaN || value.isInfinite) {
+      return '-';
+    }
+
+    return value.toStringAsFixed(2);
+  }
+
+  String formatMeterCompact(double? value) {
+    if (value == null || value.isNaN || value.isInfinite) {
+      return '-';
+    }
+
+    if (value < 1.0) {
+      return '${value.toStringAsFixed(3)}m';
+    }
+
+    if (value < 10.0) {
+      return '${value.toStringAsFixed(2)}m';
+    }
+
+    return '${value.toStringAsFixed(1)}m';
+  }
 }