diff --git a/README.md b/README.md
index f77c436..acc7f3c 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,9 @@
+<p align="right">
+<a href="https://discord.gg/KnJGY9S">
+<img src="https://github.com/fenix-hub/ColoredBadges/blob/master/svg/social/discord.svg" alt="react" style="vertical-align:top; margin:6px 4px">
+</a>
+</p>
+
 # Notice, plugin under refactoring
 **This plugin is under refactoring an maintenance. The next official release will contain multiple updates and upgrades.**\
 **If you encounter any bug, please contact me on Discord.**
diff --git a/addons/easy_charts/Utilities/classes/base/chart.gd b/addons/easy_charts/Utilities/classes/base/chart.gd
index ba4ab21..6c5385b 100644
--- a/addons/easy_charts/Utilities/classes/base/chart.gd
+++ b/addons/easy_charts/Utilities/classes/base/chart.gd
@@ -72,7 +72,7 @@ var legend : Array setget set_legend,get_legend
 
 # ................... Export Shared Variables ..................
 export (String) var chart_name : String = "" setget set_chart_name
-export (String, FILE, "*.txt, *.csv") var source : String = "" setget set_source
+export (String, FILE, "*.txt, *.csv, *.res") var source : String = "" setget set_source
 export (String) var delimiter : String = ";" setget set_delimiter
 
 var origin_at_zero : bool = false 			setget set_origin_at_zero#, get_origin_at_zero
@@ -322,7 +322,7 @@ func plot(_dataset: Array = read_data(source, delimiter)) -> void:
 	compute_display()
 	display_plot()
 	emit_signal("chart_plotted",self)
-	if not is_connected("item_rect_changed",self, "redraw"): connect("item_rect_changed", self, "redraw")
+	if not is_connected("item_rect_changed", self, "redraw_plot"): connect("item_rect_changed", self, "redraw_plot")
 
 func plot_from_source(file : String, _delimiter : String = delimiter) -> void:
 	plot(read_data(file, _delimiter))
@@ -385,7 +385,7 @@ func slice_data(data: Array) -> Array:
 		data_to_display = data.duplicate(true)
 	return data_to_display
 
-# .................. Display and Draw functions .......................
+# ................................. Display and Draw functions .......................
 func compute_display():
 	count_functions()
 	calculate_colors()
@@ -397,6 +397,10 @@ func display_plot():
 	calculate_pass()
 	calculate_coordinates()
 
+func redraw_plot():
+	clean_points()
+	display_plot()
+
 #  ................................. Helper Functions .................................
 
 func load_font():
diff --git a/addons/easy_charts/file.samples/linechart (columns).csv b/addons/easy_charts/file.samples/linechart (columns).csv
deleted file mode 100644
index 57b4e53..0000000
--- a/addons/easy_charts/file.samples/linechart (columns).csv	
+++ /dev/null
@@ -1,10 +0,0 @@
-Year;Column 1;Column 2;Column 3;Column 4
-2009;36200;27200;26200;17200
-2010;36600;27800;26600;17800
-2011;37500;28500;27500;18500
-2012;38700;29400;28700;19400
-2013;39600;30200;29600;10200
-2014;40500;30900;20500;10900
-2015;41200;31500;21200;11500
-2016;41803;31931;21803;11931
-2017;42600;32600;22600;12600
diff --git a/addons/easy_charts/file.samples/linechart (columns).csv.import b/addons/easy_charts/file.samples/linechart (columns).csv.import
deleted file mode 100644
index 8dd0c09..0000000
--- a/addons/easy_charts/file.samples/linechart (columns).csv.import	
+++ /dev/null
@@ -1,3 +0,0 @@
-[remap]
-
-importer="keep"
diff --git a/addons/easy_charts/file.samples/linechart (rows).csv b/addons/easy_charts/file.samples/linechart (rows).csv
deleted file mode 100644
index 57b4e53..0000000
--- a/addons/easy_charts/file.samples/linechart (rows).csv	
+++ /dev/null
@@ -1,10 +0,0 @@
-Year;Column 1;Column 2;Column 3;Column 4
-2009;36200;27200;26200;17200
-2010;36600;27800;26600;17800
-2011;37500;28500;27500;18500
-2012;38700;29400;28700;19400
-2013;39600;30200;29600;10200
-2014;40500;30900;20500;10900
-2015;41200;31500;21200;11500
-2016;41803;31931;21803;11931
-2017;42600;32600;22600;12600
diff --git a/addons/easy_charts/file.samples/linechart (rows).csv.import b/addons/easy_charts/file.samples/linechart (rows).csv.import
deleted file mode 100644
index 9b1b8f7..0000000
--- a/addons/easy_charts/file.samples/linechart (rows).csv.import	
+++ /dev/null
@@ -1,10 +0,0 @@
-[remap]
-
-importer="csv"
-type="TextFile"
-
-[deps]
-
-source_file="res://addons/easy_charts/file.samples/linechart (rows).csv"
-[params]
-
diff --git a/addons/easy_charts/file.samples/linechart.csv b/addons/easy_charts/file.samples/linechart.csv
deleted file mode 100644
index 412e7e8..0000000
--- a/addons/easy_charts/file.samples/linechart.csv
+++ /dev/null
@@ -1,2 +0,0 @@
-Date; 21/03/03;21/03/2008;21/03/2010;21/03/2011;21/03/2012;21/03/2013;21/03/2014;21/03/2015;21/03/2016;21/03/2018
-Score;3;8;20;18;28;31;27;38;36;46
diff --git a/addons/easy_charts/file.samples/linechart.csv.import b/addons/easy_charts/file.samples/linechart.csv.import
deleted file mode 100644
index 239c88e..0000000
--- a/addons/easy_charts/file.samples/linechart.csv.import
+++ /dev/null
@@ -1,10 +0,0 @@
-[remap]
-
-importer="csv"
-type="TextFile"
-
-[deps]
-
-source_file="res://addons/easy_charts/file.samples/linechart.csv"
-[params]
-
diff --git a/addons/easy_charts/file.samples/pie.csv b/addons/easy_charts/file.samples/pie.csv
deleted file mode 100644
index cae2e3a..0000000
--- a/addons/easy_charts/file.samples/pie.csv
+++ /dev/null
@@ -1,8 +0,0 @@
-Country,Votes
-United States,46
-Great Britain,27
-China,26
-Russia,19
-Germany,17
-Italy,34
-Sweden,83
\ No newline at end of file
diff --git a/addons/easy_charts/file.samples/pie.csv.import b/addons/easy_charts/file.samples/pie.csv.import
deleted file mode 100644
index 5d82515..0000000
--- a/addons/easy_charts/file.samples/pie.csv.import
+++ /dev/null
@@ -1,10 +0,0 @@
-[remap]
-
-importer="csv"
-type="TextFile"
-
-[deps]
-
-source_file="res://addons/easy_charts/file.samples/pie.csv"
-[params]
-
diff --git a/addons/easy_charts/file.samples/radar.csv b/addons/easy_charts/file.samples/radar.csv
deleted file mode 100644
index db3cae2..0000000
--- a/addons/easy_charts/file.samples/radar.csv
+++ /dev/null
@@ -1,4 +0,0 @@
-Eating;Drinking;Running;Sleeping;Coding
-30;50;40;100;95
-90;34;100;50;23
-
diff --git a/addons/easy_charts/file.samples/radar.csv.import b/addons/easy_charts/file.samples/radar.csv.import
deleted file mode 100644
index 467fd17..0000000
--- a/addons/easy_charts/file.samples/radar.csv.import
+++ /dev/null
@@ -1,10 +0,0 @@
-[remap]
-
-importer="csv"
-type="TextFile"
-
-[deps]
-
-source_file="res://addons/easy_charts/file.samples/radar.csv"
-[params]
-
diff --git a/addons/easy_charts/file.samples/scatter (columns).csv b/addons/easy_charts/file.samples/scatter (columns).csv
deleted file mode 100644
index 8143bf9..0000000
--- a/addons/easy_charts/file.samples/scatter (columns).csv	
+++ /dev/null
@@ -1,101 +0,0 @@
-x;y1;y2
-50,05732879;116,61234;90,55501121
-53,23295081;105,6457011;47,41275029
-47,28686102;95,61795061;36,33108959
-53,0250493;106,4552515;85,4302022
-57,10271278;111,9088163;39,80610352
-40,71992494;78,27201391;79,55208897
-55,62752569;122,7859036;94,15837791
-54,17819455;107,9817124;39,80351785
-40,8610371;107,92736;61,0663229
-54,06159551;110,0647495;93,00315399
-64,35130431;134,5556319;114,2043276
-49,29181834;88,18806126;64,89624292
-44,63823505;102,8364528;108,1982178
-58,62487836;126,0319541;78,40707574
-55,78566879;95,81224088;75,02657209
-50,76570445;94,73143882;39,96573437
-48,45339259;92,86957776;88,41618517
-49,40446173;70,21723661;9,81277488
-48,34604978;97,87616091;40,53011113
-43,62470151;103,7308337;97,10613219
-50,8877046;117,1558657;62,2681611
-52,25082012;103,3922334;79,14141328
-50,35929987;87,68936817;19,3300683
-46,42761861;90,1655428;67,73792419
-55,67926036;93,17073084;69,49147048
-61,72779383;142,8458546;106,1180608
-58,99808851;102,3529041;27,35481559
-43,6620999;77,36405233;17,70195243
-55,42639088;121,0878726;78,66148172
-58,79311097;111,8698686;49,07675763
-50,71073988;106,5406487;97,82990882
-45,57346035;104,7456111;56,17215075
-45,7981314;83,9963622;75,1982308
-46,46484131;82,94617575;77,48133444
-57,9492853;144,9994608;129,0501755
-48,3999722;72,83510082;30,43512862
-54,2097076;114,7785416;82,568834
-46,67548966;95,25014621;37,57465655
-38,21698894;88,21423442;64,99724548
-51,95614673;90,93548401;66,97933728
-51,22522594;105,1106925;101,8854666
-52,84741658;105,0503069;75,20289032
-54,78984594;109,9873973;87,19755136
-52,00296104;101,442706;89,43974496
-51,43150193;88,40178257;36,97028064
-47,40407943;89,44141735;55,03733792
-51,6749185;96,54147702;31,86655852
-40,74049925;83,85842913;79,11792988
-49,82155418;112,9093356;96,08778142
-57,57763531;115,7709369;72,19330159
-51,49652924;127,9054098;118,4088806
-53,10710725;112,6337002;90,52659295
-42,93645994;102,8111834;102,8747235
-44,14066275;78,88897631;41,74831356
-46,60936983;98,64046333;54,0310935
-47,41415307;95,89594769;58,48179462
-47,99032677;106,3655192;102,3751924
-50,68360992;106,9507457;44,26713578
-50,57070899;83,19613908;61,62543009
-57,14992785;115,5596634;40,40973555
-50,45105658;97,6950217;64,24396512
-46,76779029;99,20006513;60,43227484
-50,49802495;99,43092076;87,93289581
-51,52523583;84,24653091;17,72129508
-40,72692657;102,1715902;67,44466363
-54,96034411;111,5346596;82,57431549
-48,86213774;101,4305303;58,56839256
-52,76166432;108,021472;60,25980768
-55,46249302;83,51709356;51,05460054
-51,78186354;79,45870906;11,67684552
-54,7256505;108,6386184;58,9129679
-55,03288163;112,1224042;72,08952257
-52,83806054;104,53718;101,6991195
-45,86692682;91,39643691;29,52951009
-49,67284006;110,1908352;88,51799514
-53,18552185;119,0135337;113,8280119
-41,69070011;62,78988486;53,09918475
-53,36320564;118,5841731;108,2209675
-44,27369117;74,58882658;69,31513541
-49,92198979;76,93363417;52,01164438
-44,91221355;82,33766098;44,42544743
-37,92316535;68,0076039;17,08443855
-50,10889447;103,6209931;49,51209863
-44,20348231;84,19989748;57,99641517
-57,11433271;102,0528226;84,93848989
-41,90764861;109,1360517;50,22840309
-51,88278094;89,01870776;69,13592682
-44,31355843;81,19982464;76,88626621
-44,25547817;72,64564157;53,3901634
-48,93179315;107,7773458;40,84555265
-39,36849865;59,39799005;68,0294914
-53,33338181;99,04871654;92,71533473
-61,63696872;129,3884947;76,75152598
-46,40148646;102,9511032;92,54961674
-43,81949012;75,15673812;44,337248
-53,78046359;85,87008695;50,08962336
-41,27977392;60,49700348;50,21722956
-52,32206122;106,8462547;57,52419348
-41,36660384;105,0465099;78,67990606
-47,62423286;96,62455823;84,00032537
diff --git a/addons/easy_charts/file.samples/scatter (columns).csv.import b/addons/easy_charts/file.samples/scatter (columns).csv.import
deleted file mode 100644
index 997c493..0000000
--- a/addons/easy_charts/file.samples/scatter (columns).csv.import	
+++ /dev/null
@@ -1,10 +0,0 @@
-[remap]
-
-importer="csv"
-type="TextFile"
-
-[deps]
-
-source_file="res://addons/easy_charts/file.samples/scatter (columns).csv"
-[params]
-
diff --git a/addons/easy_charts/file.samples/scatter.csv.import b/addons/easy_charts/file.samples/scatter.csv.import
deleted file mode 100644
index cc304f9..0000000
--- a/addons/easy_charts/file.samples/scatter.csv.import
+++ /dev/null
@@ -1,10 +0,0 @@
-[remap]
-
-importer="csv"
-type="TextFile"
-
-[deps]
-
-source_file="res://addons/easy_charts/file.samples/scatter.csv"
-[params]
-
diff --git a/addons/easy_charts/icon.png.import b/addons/easy_charts/icon.png.import
index 8143974..2b03f03 100644
--- a/addons/easy_charts/icon.png.import
+++ b/addons/easy_charts/icon.png.import
@@ -28,6 +28,7 @@ process/fix_alpha_border=true
 process/premult_alpha=false
 process/HDR_as_SRGB=false
 process/invert_color=false
+process/normal_map_invert_y=false
 stream=false
 size_limit=0
 detect_3d=true