correction du centrage des vecteurs de zone (cercle) pour le plotting

lib/features/analysis/analysis_provider.dart

@@ -53,6 +53,7 @@ class AnalysisProvider extends ChangeNotifier {
   double _targetCenterX = 0.5;
   double _targetCenterY = 0.5;
   double _targetRadius = 0.4;
+  double _targetInnerRadius = 0.04;
   int _ringCount = 10;
   List<double>? _ringRadii; // Individual ring radii multipliers
   double _imageAspectRatio = 1.0; // width / height
@@ -83,6 +84,7 @@ class AnalysisProvider extends ChangeNotifier {
   double get targetCenterX => _targetCenterX;
   double get targetCenterY => _targetCenterY;
   double get targetRadius => _targetRadius;
+  double get targetInnerRadius => _targetInnerRadius;
   int get ringCount => _ringCount;
   List<double>? get ringRadii =>
       _ringRadii != null ? List.unmodifiable(_ringRadii!) : null;
@@ -138,6 +140,7 @@ class AnalysisProvider extends ChangeNotifier {
         _targetCenterX = 0.5;
         _targetCenterY = 0.5;
         _targetRadius = 0.4;
+        _targetInnerRadius = 0.04;
 
         // Initialize empty shots list
         _shots = [];
@@ -160,6 +163,7 @@ class AnalysisProvider extends ChangeNotifier {
       _targetCenterX = result.centerX;
       _targetCenterY = result.centerY;
       _targetRadius = result.radius;
+      _targetInnerRadius = result.radius * 0.1;
 
       // Create shots from detected impacts
       _shots = result.impacts.map((impact) {
@@ -488,12 +492,14 @@ class AnalysisProvider extends ChangeNotifier {
   void adjustTargetPosition(
     double centerX,
     double centerY,
+    double innerRadius,
     double radius, {
     int? ringCount,
     List<double>? ringRadii,
   }) {
     _targetCenterX = centerX;
     _targetCenterY = centerY;
+    _targetInnerRadius = innerRadius;
     _targetRadius = radius;
     if (ringCount != null) {
       _ringCount = ringCount;
@@ -520,7 +526,12 @@ class AnalysisProvider extends ChangeNotifier {
       final result = await _opencvTargetService.detectTarget(_imagePath!);
 
       if (result.success) {
-        adjustTargetPosition(result.centerX, result.centerY, result.radius);
+        adjustTargetPosition(
+          result.centerX,
+          result.centerY,
+          result.radius * 0.1,
+          result.radius,
+        );
         return true;
       }
       return false;
@@ -687,6 +698,7 @@ class AnalysisProvider extends ChangeNotifier {
     _targetCenterX = 0.5;
     _targetCenterY = 0.5;
     _targetRadius = 0.4;
+    _targetInnerRadius = 0.04;
     _ringCount = 10;
     _ringRadii = null;
     _imageAspectRatio = 1.0;