Update 0.4.5

*added*:  
- class names for all custom Chart classes
- class name for LegendElement

*fixed*:
- minor bugs
- changed FunctionLegend to LegendElement

addons/easy_charts/BarChart/BarChart.gd

@@ -1,5 +1,6 @@
 tool
 extends Chart
+class_name BarChart
 
 """
 [BarChart] - General purpose node for Bar Charts
@@ -374,7 +375,7 @@ func draw_chart_outlines():
 func create_legend():
 		legend.clear()
 		for function in functions:
-				var function_legend = FunctionLegend.instance()
+				var function_legend = LegendElement.instance()
 				var f_name : String
 				if invert_chart:
 						f_name = x_datas[function] as String

addons/easy_charts/BarChart/BarChart.tscn

@@ -82,10 +82,10 @@ __meta__ = {
 
 [node name="PointData" parent="PointData" index="0"]
 visible = false
-margin_left = -223.769
-margin_top = -45.5654
-margin_right = -223.906
-margin_bottom = -44.7655
+margin_left = 41.5506
+margin_top = -149.501
+margin_right = 41.4136
+margin_bottom = -148.701
 theme = SubResource( 1 )
 
 [editable path="PointData"]

addons/easy_charts/BarChart2D/BarChart2D.gd

@@ -1,5 +1,6 @@
 tool
 extends Chart2D
+class_name BarChart2D
 
 """
 [BarChart2D] - General purpose node for Bar Charts

addons/easy_charts/BarChart2D/BarChart2D.tscn

@@ -54,5 +54,9 @@ default_color = Color( 0.117647, 0.117647, 0.117647, 1 )
 
 [node name="PointData" parent="PointData" index="0"]
 visible = false
+margin_left = 48.6217
+margin_top = -122.631
+margin_right = 48.4856
+margin_bottom = -121.831
 
 [editable path="PointData"]

addons/easy_charts/LineChart/line_chart.gd

@@ -1,5 +1,6 @@
 tool
 extends Chart
+class_name LineChart
 
 # [Linechart] - General purpose node for Line Charts
 # A line chart or line plot or line graph or curve chart is a type of chart which

addons/easy_charts/LineChart2D/LineChart2D.gd

@@ -1,5 +1,6 @@
 tool
 extends Chart2D
+class_name LineChart2D
 
 # [Linechart2D] - General purpose node for Line Charts
 # A line chart or line plot or line graph or curve chart is a type of chart which

addons/easy_charts/LineChart2D/LineChart2D.tscn

@@ -19,7 +19,7 @@ A line chart is often used to visualize a trend in data over intervals of time
 a time series – thus the line is often drawn chronologically. 
 In these cases they are known as run charts."
 }
-function_colors = [ "#1e1e1e", "#1e1e1e", "#1e1e1e", "#1e1e1e" ]
+function_colors = PoolColorArray( 0.117647, 0.117647, 0.117647, 1, 0.117647, 0.117647, 0.117647, 1, 0.117647, 0.117647, 0.117647, 1, 0.117647, 0.117647, 0.117647, 1 )
 
 [node name="Grid" type="Node2D" parent="."]
 
@@ -34,7 +34,7 @@ width = 1.0
 default_color = Color( 0.792157, 0.792157, 0.792157, 1 )
 
 [node name="Outlines" type="Line2D" parent="."]
-points = PoolVector2Array( 0, 0, 2, 0, 2, 2, 0, 2, 0, 0 )
+points = PoolVector2Array( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 )
 width = 2.0
 default_color = Color( 0.117647, 0.117647, 0.117647, 1 )
 
@@ -55,5 +55,9 @@ default_color = Color( 0.117647, 0.117647, 0.117647, 1 )
 
 [node name="PointData" parent="PointData" index="0"]
 visible = false
+margin_left = 52.8643
+margin_top = -115.56
+margin_right = 52.7283
+margin_bottom = -114.76
 
 [editable path="PointData"]

addons/easy_charts/PieChart/PieChart.tscn

@@ -54,9 +54,9 @@ __meta__ = {
 
 [node name="PointData" parent="PointData" index="0"]
 visible = false
-margin_left = -148.407
-margin_top = -156.174
-margin_right = -148.543
-margin_bottom = -155.375
+margin_left = -449.181
+margin_top = -266.881
+margin_right = -449.318
+margin_bottom = -266.082
 
 [editable path="PointData"]

addons/easy_charts/PieChart/pie_chart.gd

@@ -1,5 +1,6 @@
 tool
 extends Chart
+class_name PieChart
 
 var should_draw : bool = false
 var area_angles : Array 
@@ -176,9 +177,15 @@ func calculate_coordinates():
 func calculate_circle_arc_polygon(center : Vector2, radius : float, angle_from : float, angle_to : float, color : Color) -> PoolVector2Array:
 	var nb_points : int = 32
 	var points_arc : PoolVector2Array = PoolVector2Array()
+#	var chord_angle : float = ((angle_to - angle_from)/2)+angle_from
+#	angle_from += 0.2
+#	angle_to -= 0.2
+#	var displacement : Vector2 = Vector2(cos(deg2rad(chord_angle)), sin(deg2rad(chord_angle-180))).normalized()*10
+#	print(displacement)
+#	center += displacement
+#	radius+=displacement.length()
 	points_arc.push_back(center)
 	var colors : PoolColorArray = PoolColorArray([color])
-	
 	for i in range(nb_points + 1):
 		var angle_point = deg2rad(angle_from + i * (angle_to - angle_from) / nb_points - 90)
 		points_arc.push_back(center + Vector2(cos(angle_point), sin(angle_point)) * radius)

addons/easy_charts/RadarChart/RadarChart.gd

@@ -1,5 +1,6 @@
 tool
 extends Chart
+class_name RadarChart
 
 """
 [RadarChart] - General purpose node for Radar Charts

addons/easy_charts/RadarChart/RadarChart.tscn

@@ -21,7 +21,6 @@ uninformative, but various heuristics, such as algorithms that plot data as the
 total area, can be applied to sort the variables (axes) into relative positions that reveal 
 distinct correlations, trade-offs, and a multitude of other comparative measures."
 }
-delimiter = ";"
 Chart_Properties/are_values_columns = false
 Chart_Properties/labels_index = 0
 Chart_Properties/function_names_index = 0
@@ -78,10 +77,10 @@ __meta__ = {
 
 [node name="PointData" parent="PointData" index="0"]
 visible = false
-margin_left = -230.138
-margin_top = -125.6
-margin_right = -230.275
-margin_bottom = -124.801
+margin_left = 64.178
+margin_top = -142.43
+margin_right = 64.041
+margin_bottom = -141.631
 theme = SubResource( 1 )
 
 [editable path="PointData"]

addons/easy_charts/ScatterChart/ScatterChart.gd

@@ -1,5 +1,6 @@
 tool
 extends Chart
+class_name ScatterChart
 
 """
 [ScatterChart] - General purpose node for Scatter Charts

addons/easy_charts/ScatterChart/ScatterChart.tscn

@@ -76,10 +76,10 @@ __meta__ = {
 
 [node name="PointData" parent="PointData" index="0"]
 visible = false
-margin_left = -19.0
-margin_top = -63.0
-margin_right = -19.136
-margin_bottom = -62.2
+margin_left = 58.5211
+margin_top = -187.685
+margin_right = 58.3851
+margin_bottom = -186.885
 theme = SubResource( 1 )
 
 [editable path="PointData"]

addons/easy_charts/ScatterChart2D/ScatterChart2D.gd

@@ -1,5 +1,6 @@
 tool
 extends Chart2D
+class_name ScatterChart2D
 
 """
 [ScatterChart2D] - General purpose node for Scatter Charts

addons/easy_charts/ScatterChart2D/ScatterChart2D.tscn

@@ -46,5 +46,9 @@ default_color = Color( 0.117647, 0.117647, 0.117647, 1 )
 
 [node name="PointData" parent="PointData" index="0"]
 visible = false
+margin_left = 71.2491
+margin_top = -146.673
+margin_right = 71.1131
+margin_bottom = -145.873
 
 [editable path="PointData"]

addons/easy_charts/ScatterChart3D/ScatterChart3D.gd

@@ -1,5 +1,6 @@
 tool
 extends Spatial
+class_name ScatterChart3D
 
 """
 [ScatterChart] - General purpose node for Scatter Charts

addons/easy_charts/ScatterChart3D/ScatterChart3D.tscn

@@ -42,4 +42,11 @@ transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 9, 0 )
 
 [node name="PointData" parent="." instance=ExtResource( 2 )]
 
+[node name="PointData" parent="PointData" index="0"]
+visible = false
+margin_left = 47.2074
+margin_top = -150.915
+margin_right = 47.0714
+margin_bottom = -150.115
+
 [editable path="PointData"]

addons/easy_charts/Utilities/Legend/FunctionLegend.gd

@@ -1,5 +1,6 @@
 tool
 extends VBoxContainer
+class_name LegendElement
 
 onready var Function : Label = $Function
 onready var FunctionColor : ColorRect = $Color
@@ -32,3 +33,9 @@ func set_function_color( c : Color ):
 
 func get_function_color() -> Color:
 	return color
+
+func get_class() -> String:
+	return "Legend Element"
+
+func _to_string() -> String:
+	return "%s (%s, %s) " % [get_class(), get_function(), get_function_color().to_html(true)]

addons/easy_charts/Utilities/Scripts/Chart.gd

@@ -1,8 +1,10 @@
 extends Control
 class_name Chart
 
+# Classes
+
 # Signals ..................................
-signal chart_plotted(chart)
+signal chart_plotted(chart) # emit when a chart is plotted (static) or updated (dynamic)
 signal point_pressed(point)
 
 # Onready Vars ............................
@@ -13,7 +15,7 @@ onready var ChartName : Label = $ChartName
 
 # Scenes and Reosurces ......................
 var point_node : PackedScene = preload("../Point/Point.tscn")
-var FunctionLegend : PackedScene = preload("../Legend/FunctionLegend.tscn")
+var LegendElement : PackedScene = preload("../Legend/FunctionLegend.tscn")
 
 # Enums .....................................
 enum PointShapes { Dot, Triangle, Square, Cross }
@@ -315,6 +317,8 @@ func plot_from_array(array : Array) -> void:
 	create_legend()
 	emit_signal("chart_plotted",self)
 
+# Append new data (in array format) to the already plotted data.
+# All data are stored.
 func update_plot_data(array : Array) -> void:
 	if array.empty():
 		Utilities._print_message("Can't plot a chart without an empty Array.",1)
@@ -421,7 +425,7 @@ func function_colors():
 func create_legend():
 	legend.clear()
 	for function in functions:
-		var function_legend = FunctionLegend.instance()
+		var function_legend : LegendElement = LegendElement.instance()
 		var f_name : String = y_labels[function]
 		var legend_font : Font
 		if font != null:
@@ -590,7 +594,7 @@ func set_invert_chart(b : bool):
 func set_legend(l : Array):
 	legend = l
 
-func get_legend():
+func get_legend() -> Array:
 	return legend
 
 # ............................. Shared Signals ..............................