diff --git a/GeoProfiles/Features/Auth/Login/Login.cs b/GeoProfiles/Features/Auth/Login/Login.cs
index 88031b4..53c55ac 100644
--- a/GeoProfiles/Features/Auth/Login/Login.cs
+++ b/GeoProfiles/Features/Auth/Login/Login.cs
@@ -3,8 +3,8 @@
 using GeoProfiles.Features.Auth.Register;
 using GeoProfiles.Infrastructure;
 using GeoProfiles.Infrastructure.Examples;
-using GeoProfiles.Infrastructure.Services;
 using GeoProfiles.Model.Dto;
+using GeoProfiles.Services;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Swashbuckle.AspNetCore.Filters;
diff --git a/GeoProfiles/Features/Auth/Refresh/Refresh.cs b/GeoProfiles/Features/Auth/Refresh/Refresh.cs
index 72e5a08..f6503f0 100644
--- a/GeoProfiles/Features/Auth/Refresh/Refresh.cs
+++ b/GeoProfiles/Features/Auth/Refresh/Refresh.cs
@@ -2,8 +2,8 @@
 using FluentValidation;
 using GeoProfiles.Infrastructure;
 using GeoProfiles.Infrastructure.Examples;
-using GeoProfiles.Infrastructure.Services;
 using GeoProfiles.Model.Dto;
+using GeoProfiles.Services;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Swashbuckle.AspNetCore.Filters;
diff --git a/GeoProfiles/Features/Profiles/Create/Create.cs b/GeoProfiles/Features/Profiles/Create/Create.cs
index 1192905..b1dc61c 100644
--- a/GeoProfiles/Features/Profiles/Create/Create.cs
+++ b/GeoProfiles/Features/Profiles/Create/Create.cs
@@ -3,7 +3,7 @@
 using GeoProfiles.Application.Auth;
 using GeoProfiles.Infrastructure;
 using GeoProfiles.Infrastructure.Examples;
-using GeoProfiles.Infrastructure.Services;
+using GeoProfiles.Services;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
diff --git a/GeoProfiles/Features/Profiles/Create/ProfileResponse.cs b/GeoProfiles/Features/Profiles/Create/ProfileResponse.cs
index 645c741..6248b00 100644
--- a/GeoProfiles/Features/Profiles/Create/ProfileResponse.cs
+++ b/GeoProfiles/Features/Profiles/Create/ProfileResponse.cs
@@ -1,5 +1,5 @@
 using System.Text.Json.Serialization;
-using GeoProfiles.Infrastructure.Services;
+using GeoProfiles.Services;
 using Swashbuckle.AspNetCore.Filters;
 
 namespace GeoProfiles.Features.Profiles.Create;
diff --git a/GeoProfiles/Features/Profiles/Get/FullProfileResponse.cs b/GeoProfiles/Features/Profiles/Get/FullProfileResponse.cs
index 6bac5bd..3b2e565 100644
--- a/GeoProfiles/Features/Profiles/Get/FullProfileResponse.cs
+++ b/GeoProfiles/Features/Profiles/Get/FullProfileResponse.cs
@@ -1,5 +1,5 @@
 using System.Text.Json.Serialization;
-using GeoProfiles.Infrastructure.Services;
+using GeoProfiles.Services;
 using Swashbuckle.AspNetCore.Filters;
 
 namespace GeoProfiles.Features.Profiles.Get;
diff --git a/GeoProfiles/Features/Profiles/Get/Get.cs b/GeoProfiles/Features/Profiles/Get/Get.cs
index f4b998f..b68aeaf 100644
--- a/GeoProfiles/Features/Profiles/Get/Get.cs
+++ b/GeoProfiles/Features/Profiles/Get/Get.cs
@@ -3,7 +3,7 @@
 using GeoProfiles.Application.Auth;
 using GeoProfiles.Infrastructure;
 using GeoProfiles.Infrastructure.Examples;
-using GeoProfiles.Infrastructure.Services;
+using GeoProfiles.Services;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
diff --git a/GeoProfiles/Features/Projects/Create/Create.cs b/GeoProfiles/Features/Projects/Create/Create.cs
index 7a4db7b..e10a533 100644
--- a/GeoProfiles/Features/Projects/Create/Create.cs
+++ b/GeoProfiles/Features/Projects/Create/Create.cs
@@ -2,8 +2,8 @@
 using FluentValidation;
 using GeoProfiles.Application.Auth;
 using GeoProfiles.Infrastructure;
-using GeoProfiles.Infrastructure.Services;
 using GeoProfiles.Model.Dto;
+using GeoProfiles.Services;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
diff --git a/GeoProfiles/Infrastructure/Extensions/ElevationExtensions.cs b/GeoProfiles/Infrastructure/Extensions/ElevationExtensions.cs
index 16cbc4e..d8709aa 100644
--- a/GeoProfiles/Infrastructure/Extensions/ElevationExtensions.cs
+++ b/GeoProfiles/Infrastructure/Extensions/ElevationExtensions.cs
@@ -1,4 +1,4 @@
-using GeoProfiles.Infrastructure.Services;
+using GeoProfiles.Services;
 
 namespace GeoProfiles.Infrastructure.Extensions;
 
diff --git a/GeoProfiles/Infrastructure/Extensions/JwtExtensions.cs b/GeoProfiles/Infrastructure/Extensions/JwtExtensions.cs
index 5b308bb..93d6f03 100644
--- a/GeoProfiles/Infrastructure/Extensions/JwtExtensions.cs
+++ b/GeoProfiles/Infrastructure/Extensions/JwtExtensions.cs
@@ -1,9 +1,9 @@
-using GeoProfiles.Infrastructure.Services;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.Tokens;
 using Microsoft.IdentityModel.Protocols;
 using Microsoft.IdentityModel.Protocols.OpenIdConnect;
 using GeoProfiles.Infrastructure.Settings;
+using GeoProfiles.Services;
 
 namespace GeoProfiles.Infrastructure.Extensions;
 
diff --git a/GeoProfiles/Infrastructure/Extensions/ProfilesExtensions.cs b/GeoProfiles/Infrastructure/Extensions/ProfilesExtensions.cs
index b17b7af..0bfd5bb 100644
--- a/GeoProfiles/Infrastructure/Extensions/ProfilesExtensions.cs
+++ b/GeoProfiles/Infrastructure/Extensions/ProfilesExtensions.cs
@@ -1,4 +1,4 @@
-using GeoProfiles.Infrastructure.Services;
+using GeoProfiles.Services;
 
 namespace GeoProfiles.Infrastructure.Extensions;
 
diff --git a/GeoProfiles/Infrastructure/Modules/IsolineModule.cs b/GeoProfiles/Infrastructure/Modules/IsolineModule.cs
index 88f4a94..20fc9ba 100644
--- a/GeoProfiles/Infrastructure/Modules/IsolineModule.cs
+++ b/GeoProfiles/Infrastructure/Modules/IsolineModule.cs
@@ -1,4 +1,4 @@
-using GeoProfiles.Infrastructure.Services;
+using GeoProfiles.Services;
 
 namespace GeoProfiles.Infrastructure.Modules;
 
diff --git a/GeoProfiles/Migrations/V9__Add_Isoline_Direction.sql b/GeoProfiles/Migrations/V9__Add_Isoline_Direction.sql
new file mode 100644
index 0000000..97c13b4
--- /dev/null
+++ b/GeoProfiles/Migrations/V9__Add_Isoline_Direction.sql
@@ -0,0 +1,2 @@
+alter table isolines
+    add column direction int;
\ No newline at end of file
diff --git a/GeoProfiles/Model/Generated/GeoProfilesContext.cs b/GeoProfiles/Model/Generated/GeoProfilesContext.cs
index d9d9f2d..ce763cf 100644
--- a/GeoProfiles/Model/Generated/GeoProfilesContext.cs
+++ b/GeoProfiles/Model/Generated/GeoProfilesContext.cs
@@ -105,6 +105,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
             entity.Property(e => e.CreatedAt)
                 .HasDefaultValueSql("now()")
                 .HasColumnName("created_at");
+            entity.Property(e => e.Direction).HasColumnName("direction");
             entity.Property(e => e.Geom)
                 .HasColumnType("geometry(Polygon,4326)")
                 .HasColumnName("geom");
diff --git a/GeoProfiles/Model/Generated/Isolines.cs b/GeoProfiles/Model/Generated/Isolines.cs
index 11c72bc..61e3005 100644
--- a/GeoProfiles/Model/Generated/Isolines.cs
+++ b/GeoProfiles/Model/Generated/Isolines.cs
@@ -18,5 +18,7 @@ public partial class Isolines
 
     public DateTime UpdatedAt { get; set; }
 
+    public int? Direction { get; set; }
+
     public virtual Projects Project { get; set; } = null!;
 }
diff --git a/GeoProfiles/Model/IsolineDirections.cs b/GeoProfiles/Model/IsolineDirections.cs
new file mode 100644
index 0000000..09070a9
--- /dev/null
+++ b/GeoProfiles/Model/IsolineDirections.cs
@@ -0,0 +1,8 @@
+namespace GeoProfiles.Model;
+
+public static class IsolineDirections
+{
+    public const int Up = 1;
+
+    public const int Down = 2;
+}
\ No newline at end of file
diff --git a/GeoProfiles/Program.cs b/GeoProfiles/Program.cs
index e9b3c4b..8bd5093 100644
--- a/GeoProfiles/Program.cs
+++ b/GeoProfiles/Program.cs
@@ -3,7 +3,6 @@
 using GeoProfiles.Infrastructure.Middlewares;
 using Microsoft.EntityFrameworkCore;
 using GeoProfiles.Infrastructure.Modules;
-using GeoProfiles.Infrastructure.Services;
 using static Microsoft.AspNetCore.Builder.WebApplication;
 
 var builder = CreateBuilder(args);
diff --git a/GeoProfiles/Properties/launchSettings.json b/GeoProfiles/Properties/launchSettings.json
index ad3b15f..d46795b 100644
--- a/GeoProfiles/Properties/launchSettings.json
+++ b/GeoProfiles/Properties/launchSettings.json
@@ -19,6 +19,26 @@
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
     },
+    "Demo BMSTU": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://172.28.19.209:8080",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "Demo home": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://192.168.1.81:8080",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
     "https": {
       "commandName": "Project",
       "dotnetRunMessages": true,
diff --git a/GeoProfiles/Infrastructure/Services/IInterpolator.cs b/GeoProfiles/Services/IInterpolator.cs
similarity index 97%
rename from GeoProfiles/Infrastructure/Services/IInterpolator.cs
rename to GeoProfiles/Services/IInterpolator.cs
index 28a01b1..aee8ba6 100644
--- a/GeoProfiles/Infrastructure/Services/IInterpolator.cs
+++ b/GeoProfiles/Services/IInterpolator.cs
@@ -1,4 +1,4 @@
-namespace GeoProfiles.Infrastructure.Services;
+namespace GeoProfiles.Services;
 
 public interface IInterpolator
 {
diff --git a/GeoProfiles/Infrastructure/Services/ITerrainProfileService.cs b/GeoProfiles/Services/ITerrainProfileService.cs
similarity index 96%
rename from GeoProfiles/Infrastructure/Services/ITerrainProfileService.cs
rename to GeoProfiles/Services/ITerrainProfileService.cs
index 3e43bb0..ff16412 100644
--- a/GeoProfiles/Infrastructure/Services/ITerrainProfileService.cs
+++ b/GeoProfiles/Services/ITerrainProfileService.cs
@@ -1,18 +1,12 @@
-using System;
 using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
 using GeoProfiles.Model;
-using GeoProfiles.Model.Dto;
 using Microsoft.EntityFrameworkCore;
 using NetTopologySuite.Geometries;
 using NetTopologySuite.LinearReferencing;
 using ProjNet.CoordinateSystems;
 using ProjNet.CoordinateSystems.Transformations;
 
-namespace GeoProfiles.Infrastructure.Services
+namespace GeoProfiles.Services
 {
     public readonly record struct ProfilePoint(double Distance, double Elevation);
 
@@ -52,9 +46,8 @@ public class TerrainProfileService(
 
         private const double DefaultSampleM = 10;
         private const int MaxRawPoints = 20_000;
-        private const int OutN = 400; // Финализированная константа
+        private const int OutN = 400; 
 
-        // Кэш коэффициентов Савицкого-Голая
         private static readonly ConcurrentDictionary<(int, int), double[]> SavGolCoefficientsCache = new();
 
         private static Point ToMercator(Point p)
@@ -137,6 +130,7 @@ await Parallel.ForEachAsync(
             {
                 double xx = totalDistM * i / (OutN - 1);
                 xs[i] = xx;
+                
                 ys[i] = spline.Interpolate(xx);
             }
 
diff --git a/GeoProfiles/Infrastructure/Services/IsolineGeneratorService.cs b/GeoProfiles/Services/IsolineGeneratorService.cs
similarity index 94%
rename from GeoProfiles/Infrastructure/Services/IsolineGeneratorService.cs
rename to GeoProfiles/Services/IsolineGeneratorService.cs
index 164fe0d..26c9e08 100644
--- a/GeoProfiles/Infrastructure/Services/IsolineGeneratorService.cs
+++ b/GeoProfiles/Services/IsolineGeneratorService.cs
@@ -1,20 +1,16 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
 using NetTopologySuite.Geometries;
 using NetTopologySuite.Geometries.Implementation;
 using NetTopologySuite.Operation.Buffer;
 using NetTopologySuite.Operation.Union;
 
-namespace GeoProfiles.Infrastructure.Services
+namespace GeoProfiles.Services
 {
     public sealed class IsolineGeneratorService : IIsolineGeneratorService
     {
         private static readonly GeometryFactory Gf =
             new(new PrecisionModel(PrecisionModels.Floating), 4326, CoordinateArraySequenceFactory.Instance);
 
-        private const double TAU = Math.PI * 2;
+        private const double Tau = Math.PI * 2;
 
         public Task<IEnumerable<Polygon>> GenerateAsync(
             BoundingBox bbox, int levels = 12, Guid? seed = null)
@@ -71,7 +67,6 @@ public Task<IEnumerable<Polygon>> GenerateAsync(
 
         private Geometry CreateStableTerrain(BoundingBox bbox, Random rnd)
         {
-            double minDim = Math.Min(bbox.Width, bbox.Height);
             var features = new List<Geometry>();
 
             var mountain = CreateMountain(bbox, rnd);
@@ -129,7 +124,7 @@ private IEnumerable<Geometry> CreatePeaks(BoundingBox bbox, Geometry mountain, R
 
             for (int i = 0; i < count; i++)
             {
-                double angle = rnd.NextDouble() * TAU;
+                double angle = rnd.NextDouble() * Tau;
                 double distance = rnd.NextDouble() * minDim * 0.2; 
                 double x = centroid.X + Math.Cos(angle) * distance;
                 double y = centroid.Y + Math.Sin(angle) * distance;
@@ -152,7 +147,7 @@ private IEnumerable<Geometry> CreateHills(BoundingBox bbox, Random rnd, int coun
 
             for (int i = 0; i < count; i++)
             {
-                double angle = rnd.NextDouble() * TAU;
+                double angle = rnd.NextDouble() * Tau;
                 double distance = minDim * (0.3 + rnd.NextDouble() * 0.25); 
                 double x = bbox.CenterX + Math.Cos(angle) * distance;
                 double y = bbox.CenterY + Math.Sin(angle) * distance;
@@ -167,11 +162,11 @@ private IEnumerable<Geometry> CreateHills(BoundingBox bbox, Random rnd, int coun
         
         private Polygon CreateEllipse(double x, double y, double a, double b, int points, Random rnd)
         {
-            if (points < 36) points = 36; 
+            if (points < 36) points = 36;
 
             var coords = new Coordinate[points + 1];
-            double angleStep = TAU / points;
-            double noiseIntensity = 0.18; 
+            double angleStep = Tau / points;
+            double noiseIntensity = 0.18;
 
             double SmoothNoise(double seed, double angle, double frequency)
             {
@@ -185,8 +180,8 @@ double SmoothNoise(double seed, double angle, double frequency)
             {
                 double angle = i * angleStep;
 
-                double noiseFactor = 1.0 + 
-                    SmoothNoise(seed1, angle, 3.0) + 
+                double noiseFactor = 1.0 +
+                    SmoothNoise(seed1, angle, 3.0) +
                     SmoothNoise(seed2, angle, 8.0) * 0.5;
 
                 double effectiveA = a * noiseFactor * (0.92 + rnd.NextDouble() * 0.16);
@@ -341,14 +336,13 @@ private LinearRing SmoothRing(LineString ring, int iterations)
         }
 
         private static Polygon BboxPolygon(BoundingBox b) =>
-            Gf.CreatePolygon(new[]
-            {
+            Gf.CreatePolygon([
                 new Coordinate(b.MinX, b.MinY),
                 new Coordinate(b.MaxX, b.MinY),
                 new Coordinate(b.MaxX, b.MaxY),
                 new Coordinate(b.MinX, b.MaxY),
                 new Coordinate(b.MinX, b.MinY)
-            });
+            ]);
 
         private static IEnumerable<Polygon> Flatten(Geometry g)
         {
diff --git a/GeoProfiles/Infrastructure/Services/JwtTokenService.cs b/GeoProfiles/Services/JwtTokenService.cs
similarity index 98%
rename from GeoProfiles/Infrastructure/Services/JwtTokenService.cs
rename to GeoProfiles/Services/JwtTokenService.cs
index 6f7b692..cbfe3f9 100644
--- a/GeoProfiles/Infrastructure/Services/JwtTokenService.cs
+++ b/GeoProfiles/Services/JwtTokenService.cs
@@ -5,7 +5,7 @@
 using Microsoft.Extensions.Options;
 using Microsoft.IdentityModel.Tokens;
 
-namespace GeoProfiles.Infrastructure.Services;
+namespace GeoProfiles.Services;
 
 public interface IJwtTokenService
 {
diff --git a/GeoProfiles/Infrastructure/Services/MockElevationProvider.cs b/GeoProfiles/Services/MockElevationProvider.cs
similarity index 95%
rename from GeoProfiles/Infrastructure/Services/MockElevationProvider.cs
rename to GeoProfiles/Services/MockElevationProvider.cs
index 86b90a4..0884e79 100644
--- a/GeoProfiles/Infrastructure/Services/MockElevationProvider.cs
+++ b/GeoProfiles/Services/MockElevationProvider.cs
@@ -1,16 +1,11 @@
-using System;
 using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Options;
 using NetTopologySuite.Geometries;
 using NetTopologySuite.Index.Strtree;
 using NetTopologySuite.Operation.Distance;
 
-namespace GeoProfiles.Infrastructure.Services
+namespace GeoProfiles.Services
 {
     public class MockDemOptions
     {
@@ -124,7 +119,7 @@ private double CalculateR(Contour inner, Point boundaryPoint, Contour? outer, Po
                     boundaryPoint.X + directionVector.X * 10,
                     boundaryPoint.Y + directionVector.Y * 10);
                 
-                var ray = new LineString(new[] { boundaryPoint.Coordinate, rayEnd });
+                var ray = new LineString([boundaryPoint.Coordinate, rayEnd]);
                 var intersection = ray.Intersection(outer.Poly);
 
                 return !intersection.IsEmpty
diff --git a/GeoProfiles/Infrastructure/Services/TokenService.cs b/GeoProfiles/Services/TokenService.cs
similarity index 95%
rename from GeoProfiles/Infrastructure/Services/TokenService.cs
rename to GeoProfiles/Services/TokenService.cs
index 4ac8582..305a655 100644
--- a/GeoProfiles/Infrastructure/Services/TokenService.cs
+++ b/GeoProfiles/Services/TokenService.cs
@@ -3,7 +3,7 @@
 using GeoProfiles.Model;
 using Microsoft.Extensions.Options;
 
-namespace GeoProfiles.Infrastructure.Services;
+namespace GeoProfiles.Services;
 
 public interface ITokenService
 {
diff --git a/package.json b/package.json
index 2fc4f9e..6fc5a7e 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "jest"
+    "test": "jest --testTimeout=10000"
   },
   "repository": {
     "type": "git",