diff --git a/builds/fdf.o b/builds/fdf.o
index 1d658db..3a333a5 100644
Binary files a/builds/fdf.o and b/builds/fdf.o differ
diff --git a/fdf b/fdf
index fcc8a96..fcf38b3 100755
Binary files a/fdf and b/fdf differ
diff --git a/includes/fdf.h b/includes/fdf.h
index 9e26421..02abddd 100644
--- a/includes/fdf.h
+++ b/includes/fdf.h
@@ -47,6 +47,7 @@ typedef struct	s_fdf
 	int			**map;
 	int			offset;
 	int			margin;
+	int			altitude;
 	int			win_size_x;
 	int			win_size_y;
 	int			img_size_x;
diff --git a/srcs/fdf.c b/srcs/fdf.c
index ae2a574..78f1155 100644
--- a/srcs/fdf.c
+++ b/srcs/fdf.c
@@ -14,10 +14,12 @@ void	color_altitude_pixel(t_fdf *fdf, int new_x, int new_y, int z)
 	int color;
 
 	color = 0xffffff;
+	z = z / fdf->altitude;
 	if (z)
 	{
-		color = color ^ (((0xff * z) / fdf->max_z) << 8 );
-		color = color ^ ((0xff * z) / fdf->max_z);
+		color = color ^ (((0xff / fdf->max_z) * z) << 8 );
+		color = color ^ ((0xff / fdf->max_z) * z);
+		ft_printf("0xff:%i    z:%i    (0xff / max_z):%i    ((0xff / max_z) * z):%i\n", 0xff, z, (0xff / fdf->max_z), ((0xff / fdf->max_z) * z));
 	}
 	draw_pixel(fdf, new_x, new_y, color);
 }
@@ -46,7 +48,7 @@ void	draw_image(t_fdf *fdf)
 			
 			x = i * fdf->offset - (fdf->map_size_x / 2);
 			y = j * fdf->offset - (fdf->map_size_y / 2);
-			z = fdf->map[j][i];
+			z = fdf->map[j][i] * fdf->altitude;
 			new_x = x * cos(fdf->rad_x) + y * sin(fdf->rad_x);
 			new_y = y * cos(fdf->rad_x) - x * sin(fdf->rad_x);
 			new_y = new_y * cos(fdf->rad_y) - -z * sin(fdf->rad_y);
@@ -148,9 +150,10 @@ t_fdf	*init_fdf(void)
 	t_fdf	*fdf;
 
 	fdf = malloc(sizeof(t_fdf));
-	// map offset and margin
-	fdf->offset = 10;
+	// map offset, margin, and altitude factor
+	fdf->offset = 50;
 	fdf->margin = 50;
+	fdf->altitude = 3;
 	// parse map
 	fdf->map = parse_map(fdf);
 	// size window