From bf960335168b11c0fe8bd8aa06fc96d76020f3aa Mon Sep 17 00:00:00 2001
From: curt <curt>
Date: Mon, 10 Mar 2003 03:00:59 +0000
Subject: [PATCH] Tweaking parameters.

---
 src/Airports/GenAirports/apt_surface.cxx | 6 +++---
 src/Airports/GenAirports/build.cxx       | 8 ++++++++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/Airports/GenAirports/apt_surface.cxx b/src/Airports/GenAirports/apt_surface.cxx
index 625454a5..9e8ae5ef 100644
--- a/src/Airports/GenAirports/apt_surface.cxx
+++ b/src/Airports/GenAirports/apt_surface.cxx
@@ -150,15 +150,15 @@ TGAptSurface::TGAptSurface( const string& path,
 
     cout << "Area size = " << x_m << " x " << y_m << " (m)" << endl;
 
-    int xdivs = (int)(x_m / 800.0) + 1;
-    int ydivs = (int)(y_m / 800.0) + 1;
+    int xdivs = (int)(x_m / 1100.0) + 1;
+    int ydivs = (int)(y_m / 1100.0) + 1;
 
     cout << "  M(" << xdivs << "," << ydivs << ")" << endl;
     double dlon = x_deg / xdivs;
     double dlat = y_deg / ydivs;
 
     // Build the double res input grid
-    int mult = 4;
+    int mult = 10;
     Matrix_Point3Df dPts((xdivs+1) * mult, (ydivs + 1) * mult);
     for ( int i = 0; i < dPts.rows(); ++i ) {
         for ( int j = 0; j < dPts.cols(); ++j ) {
diff --git a/src/Airports/GenAirports/build.cxx b/src/Airports/GenAirports/build.cxx
index 2b16c457..f77dc38c 100644
--- a/src/Airports/GenAirports/build.cxx
+++ b/src/Airports/GenAirports/build.cxx
@@ -982,6 +982,14 @@ void build_airport( string airport_raw, float alt_m,
         }
     }
 
+    // Extend the area a bit so we don't have wierd things on the edges
+    double dlon = max_deg.lon() - min_deg.lon();
+    double dlat = max_deg.lat() - min_deg.lat();
+    min_deg.setlon( min_deg.lon() - 0.5 * dlon );
+    max_deg.setlon( max_deg.lon() + 0.5 * dlon );
+    min_deg.setlat( min_deg.lat() - 0.5 * dlat );
+    max_deg.setlat( max_deg.lat() + 0.5 * dlat );
+
     TGAptSurface apt_surf( root, min_deg, max_deg );
 
     // calculate node elevations