diff --git a/Makefile b/Makefile
index 3c1b08c..5195306 100644
--- a/Makefile
+++ b/Makefile
@@ -55,7 +55,9 @@ LIBFT_FLAGS =		-lft -L $(LIBFT_DIR)
 MLX_FLAGS =			-lmlx -lXext -lX11 -L $(MLX_DIR)
 OTHER_FLAGS =		-lm
 CC_FLAGS =			-Werror -Wextra -Wall -O3
-FLAGS :=			$(CC_FLAGS) $(LIBFT_FLAGS) $(MLX_FLAGS) $(OTHER_FLAGS)
+DEBUG = 			-g
+FLAGS :=			$(CC_FLAGS) $(LIBFT_FLAGS) $(MLX_FLAGS) $(OTHER_FLAGS) \
+					$(DEBUG)
 
 # compiler
 
@@ -72,7 +74,7 @@ $(NAME): $(OBJ) $(LIBFT_DIR)$(LIBFT) $(MLX_DIR)$(MLX)
 
 $(OBJ_DIR)%.o : $(SRC_DIR)%.c 
 	@echo "$(CYAN)Compiling object files: $(BLUE)$@$(NORMAL)"
-	@$(CC) $(CC_FLAGS) $(INC) -c $< -o $@  
+	@$(CC) $(CC_FLAGS) $(DEBUG) $(INC) -c $< -o $@  
 
 $(LIBFT_DIR)$(LIBFT):
 	@echo "$(CYAN)Compiling libft library...$(NORMAL)"
diff --git a/inc/fdf.h b/inc/fdf.h
index 4666f76..d91f624 100644
--- a/inc/fdf.h
+++ b/inc/fdf.h
@@ -58,7 +58,7 @@ typedef struct	s_mw
 
 typedef struct	s_map
 {
-	t_list		*lst_map;
+	t_vec		**arr_vec;
 	t_pnt		**arr_pnt;
 	int 		x_max;
 	int 		y_max;
@@ -123,6 +123,7 @@ void			render(t_FDF *FDF);
 void			free_tab(char **tab);
 void			quit(t_FDF *FDF);
 void			swap_init(t_swap *s);
+void			print_help(void);
 
 t_color			color_init(int red, int green, int blue);
 t_color			color_lerp(t_color c1, t_color c2, float step);
diff --git a/src/help_func.c b/src/help_func.c
index b2ae163..b118376 100644
--- a/src/help_func.c
+++ b/src/help_func.c
@@ -19,4 +19,19 @@ void	swap_init(t_swap *s)
 	s->swap_coord = 0;
 	s->swap_x = 1;
 	s->swap_z = 0;
+}
+
+void	print_help(void)
+{
+	ft_putstr(
+			"Usage: "
+			"fdf [OPTIONS] MAP_PATH"
+			"\n\n"
+			"Opitons:\n"
+			"--heatmap \"R,G,B - R,G,B\""
+			"\toptional parameter for specifying color range of\n"
+			"\t\t\t\theatmap in RGB format. Each color component\n"
+			"\t\t\t\tshould be between 0 and 255.\n"
+			"\t\t\t\tPlease, put range in double quotes, for example:\n\n"
+			"\t\t\t\tfdf --heatmap \"125,255,6 - 250,41,1\" ~/maps/42.fdf\n\n");
 }
\ No newline at end of file
diff --git a/src/main.c b/src/main.c
index f28067e..c2eb7d6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -7,154 +7,16 @@
 
 #include "fdf.h"
 
-void	circle(t_FDF *FDF)
-{
-	t_pnt	p1;
-	t_pnt	p2;
-	double angle;
-
-
-	for (int i = 0; i < 360; i += 1)
-	{
-		p1.x = 250;
-		p1.y = 250;
-		angle = i * M_PI / 180;
-		p2.x = p1.x + 250 * sin(angle);
-		p2.y = p1.y + 250 * cos(angle);
-		line(p1, p2, FDF);
-	}
-}
-
-void	test_line(t_FDF *FDF)
-{
-	t_pnt p1;
-	t_pnt p2;
-
-	p1.x = 0;
-	p1.y = 0;
-	p2.x = 500;
-	for (p2.y = 0; p2.y <= 500; p2.y += 4)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-	}
-	for (p2.x = 500; p2.x >= 0; p2.x -= 4)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-	}
-	p1.x = 500;
-	p1.y = 0;
-	p2.x = 0;
-	for (p2.y = 0; p2.y <= 500; p2.y += 4)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-	}
-	for (p2.x = 0; p2.x <= 500; p2.x += 4)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-	}
-	p1.x = 500;
-	p1.y = 500;
-	p2.x = 500;
-	p2.y = 0;
-	for (p2.x = 500; p2.x >= 0; p2.x -= 4)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-	}
-	for (p2.y = 0; p2.y <= 500; p2.y += 4)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-	}
-	p1.x = 0;
-	p1.y = 500;
-	p2.x = 500;
-	p2.y = 500;
-	for (p2.y = 500; p2.y >= 0; p2.y -= 4)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-	}
-	for (p2.x = 500; p2.x >= 0; p2.x -= 4)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-	}
-	mlx_clear_window(FDF->mw->mlx, FDF->mw->win);
-	p1.x = 0;
-	p1.y = 0;
-	p2.y = 500;
-	for (p2.x = 0; p2.x <= 500; p2.x += 1)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-		p1.x += 1;
-	}
-	mlx_clear_window(FDF->mw->mlx, FDF->mw->win);
-	p1.x = 0;
-	p1.y = 0;
-	p2.x = 500;
-	for (p2.y = 0; p2.y <= 500; p2.y += 1)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-		p1.y += 1;
-	}
-	mlx_clear_window(FDF->mw->mlx, FDF->mw->win);
-	p1.x = 500;
-	p1.y = 0;
-	p2.x = 500;
-	for (; p2.x >= 0; p2.x -= 1)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-		p1.x -= 1;
-	}
-	mlx_clear_window(FDF->mw->mlx, FDF->mw->win);
-	p1.x = 0;
-	p1.y = 500;
-	p2.x = 500;
-	for (p2.y = 500; p2.y >= 0; p2.y -= 1)
-	{
-		line(p1, p2, FDF);
-		mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-		p1.y -= 1;
-	}
-}
-
 int		main(int argc, char **argv)
 {
 	t_FDF	*FDF;
-//	int 	i;
-//	int 	j;
-//	int		rgb;
-//	t_color c1;
-//	t_color c2;
-//	t_color c3;
-	if (argc != 2)
+
+	if (argc < 2)
+	{
+		print_help();
 		return (0);
+	}
 	FDF = FDF_init(argv[1]);
-//	i = 0;
-//	c1 = color_init(225, 13, 14);
-//	c2 = color_init(20, 177, 4);
-//	c3 = c1;
-//	while (i < FDF->w_height)
-//	{
-//		j = 0;
-//		rgb = color_to_int(c3);
-//		while (j < FDF->w_width)
-//		{
-//			*((int *)FDF->image_data + j + i * FDF->w_width) = rgb;
-//			j++;
-//		}
-//		c3 = color_lerp(c1, c2, (float)i / FDF->w_height);
-//		i++;
-//	}
-//	mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
 	render(FDF);
 	mlx_key_hook(FDF->mw->win, key_hook, FDF);
 	mlx_loop(FDF->mw->mlx);
diff --git a/src/map_init.c b/src/map_init.c
index d013e7d..900f529 100644
--- a/src/map_init.c
+++ b/src/map_init.c
@@ -44,35 +44,66 @@ char	*to_str_map(char *path)
 	return (0);
 }
 
-void	map_dimensions(t_map *map)
+int 	tab_length(char **tab)
 {
-	int 	x;
-	int 	y;
-	int 	max_z;
-	int 	min_z;
-	t_list	*l;
+	int 	len;
 
-	l = map->lst_map;
-	x = 0;
-	y = 0;
-	max_z = 0;
-	min_z = 0;
-	while (l)
+	len = 0;
+	while (*tab)
 	{
-		if (((t_vec *)(l->content))->x > x)
-			x = (int)((t_vec *)(l->content))->x;
-		if (((t_vec *)(l->content))->y > y)
-			y = (int)((t_vec *)(l->content))->y;
-		if (((t_vec *)(l->content))->z > max_z)
-			max_z = (int)((t_vec *)(l->content))->z;
-		if (((t_vec *)(l->content))->z < min_z)
-			min_z = (int)((t_vec *)(l->content))->z;
-		l = l->next;
+		tab++;
+		if (*tab)
+			len++;
+	}
+	return (len);
+}
+
+int 	map_width(char **tab)
+{
+	int 	width;
+	char 	**line_tab;
+
+	line_tab = ft_strsplit(*tab, ' ');
+	width =	tab_length(line_tab);
+	free_tab(line_tab);
+	return (width);
+}
+
+
+void	min_max_z(t_map *map, int i, int j)
+{
+	if (map->arr_vec[i][j].z > map->z_max)
+		map->z_max = map->arr_vec[i][j].z;
+	if (map->arr_vec[i][j].z < map->z_max)
+		map->z_min = map->arr_vec[i][j].z;
+}
+
+void	to_vec_arr(char **tab, t_map *map)
+{
+	char 	**line;
+	int 	i;
+	int 	j;
+
+	map->y_max = tab_length(tab);
+	map->x_max = map_width(tab);
+	map->arr_vec = malloc(sizeof(t_vec *) * (map->y_max + 1));
+	i = 0;
+	while (i <= map->y_max)
+	{
+		j = 0;
+		line = ft_strsplit(tab[i], ' ');
+		map->arr_vec[i] = malloc(sizeof(t_vec) * (map->x_max + 1));
+		while (j <= map->x_max)
+		{
+			map->arr_vec[i][j].z = ft_atoi(line[j]);
+			map->arr_vec[i][j].x = j;
+			map->arr_vec[i][j].y = i;
+			min_max_z(map, i, j);
+			j++;
+		}
+		free_tab(line);
+		i++;
 	}
-	map->x_max = x;
-	map->y_max = y;
-	map->z_max = max_z;
-	map->z_min = min_z;
 }
 
 t_map	*map_init(char *path)
@@ -82,13 +113,15 @@ t_map	*map_init(char *path)
 	t_map	*map;
 
 	map = malloc(sizeof(t_map));
+	map->z_min = 0;
+	map->x_max = 0;
 	if (!(str_map = to_str_map(path)))
 	{
+		ft_putstr("Wrong path to a map! For help help put \"fdf --help\"");
 		quit(0);
 	}
 	tab_map = ft_strsplit(str_map, '\n');
-	map->lst_map = to_lst_map(tab_map);
-	map_dimensions(map);
+	to_vec_arr(tab_map, map);
 	free(str_map);
 	free_tab(tab_map);
 	return (map);
diff --git a/src/pnt_init.c b/src/pnt_init.c
index f779249..b525783 100644
--- a/src/pnt_init.c
+++ b/src/pnt_init.c
@@ -2,24 +2,21 @@
 
 void	pnt_init(t_map *map)
 {
-	t_list	*lst_map;
 	int 	i;
 	int 	j;
 	float 	z;
 
-	lst_map = map->lst_map;
 	map->arr_pnt = malloc(sizeof(t_pnt *) * (map->y_max + 1));
 	i = 0;
-	while (i <= map->y_max && lst_map)
+	while (i <= map->y_max)
 	{
 		map->arr_pnt[i] = malloc(sizeof(t_pnt) * (map->x_max + 1));
 		j = 0;
 		while (j <= map->x_max)
 		{
-			z = ((t_vec *)(lst_map->content))->z - map->z_min;
+			z = map->arr_vec[i][j].z - map->z_min;
 			map->arr_pnt[i][j].z = z;
 			first_color(&map->arr_pnt[i][j], z, map);
-			lst_map = lst_map->next;
 			j++;
 		}
 		i++;
diff --git a/src/render.c b/src/render.c
index dfa237d..779a0f9 100644
--- a/src/render.c
+++ b/src/render.c
@@ -18,19 +18,16 @@ t_trnsf	*transfor_mat_init()
 
 void	transform(t_mat4 *mat, t_map *map)
 {
-	t_list *vec_list;
 	int 	i;
 	int 	j;
 
-	vec_list = map->lst_map;
 	i = 0;
 	while (i <= map->y_max)
 	{
 		j = 0;
 		while (j <= map->x_max)
 		{
-			vec_mat_mult(mat, vec_list->content, &map->arr_pnt[i][j]);
-			vec_list = vec_list->next;
+			vec_mat_mult(mat, &map->arr_vec[i][j], &map->arr_pnt[i][j]);
 			j++;
 		}
 		i++;
@@ -120,22 +117,27 @@ void	draw(t_FDF *FDF)
 
 void	center(t_map *map)
 {
-	t_list	*l;
 	double 	d_x;
 	double	d_y;
 	double	d_z;
-
+	int 	i;
+	int 	j;
 
 	d_x = map->x_max / 2.0f;
 	d_y = map->y_max / 2.0f;
 	d_z = map->z_max / 2.0f;
-	l = map->lst_map;
-	while (l)
+	i = 0;
+	while (i <= map->y_max)
 	{
-		((t_vec *)(l->content))->x = ((t_vec *)(l->content))->x - d_x;
-		((t_vec *)(l->content))->y = ((t_vec *)(l->content))->y - d_y;
-		((t_vec *)(l->content))->z = ((t_vec *)(l->content))->z - d_z;
-		l = l->next;
+		j = 0;
+		while (j <= map->x_max)
+		{
+			map->arr_vec[i][j].z -= d_z;
+			map->arr_vec[i][j].x -= d_x;
+			map->arr_vec[i][j].y -= d_y;
+			j++;
+		}
+		i++;
 	}
 }