added some error checks and warnings

release-packaging/Classes/FluidPlotter.sc

@@ -33,14 +33,8 @@ FluidPlotter {
 		ymin = ymin_;
 		ymax = ymax_;
 
-		if(dict_.isNil,{this.dictNotProperlyFormatted});
-		if(dict_.size != 2,{this.dictNotProperlyFormatted});
-		if(dict_.at("data").isNil,{this.dictNotProperlyFormatted});
-		if(dict_.at("cols").isNil,{this.dictNotProperlyFormatted});
-		if(dict_.at("cols") != 2,{this.dictNotProperlyFormatted});
-
 		this.createCatColors;
-		this.dict_(dict_);
+		if(dict_.notNil,{this.dict_(dict_)});
 		this.createPlotWindow(bounds,parent_,mouseMoveAction,dict_);
 		this.background_(Color.white);
 	}
@@ -54,6 +48,7 @@ FluidPlotter {
 
 	setCategories_ {
 		arg labelSetDict;
+		if(dict_internal.notNil,{
 			dict_internal.keysValuesDo({
 				arg id, pt;
 				var col, cat = labelSetDict.at("data").at(id)[0].interpret;
@@ -62,6 +57,9 @@ FluidPlotter {
 				pt.color_(col);
 			});
 			this.refresh;
+		},{
+			"FluidPlotter::setCategories_ FluidPlotter cannot receive setCategories. It has no data. First set a dictionary.".warn;
+		});
 	}
 
 	setSizeMultiplier_ {
@@ -113,6 +111,13 @@ FluidPlotter {
 
 	dict_ {
 		arg d;
+
+		if(d.isNil,{^this.dictNotProperlyFormatted});
+		if(d.size != 2,{^this.dictNotProperlyFormatted});
+		if(d.at("data").isNil,{^this.dictNotProperlyFormatted});
+		if(d.at("cols").isNil,{^this.dictNotProperlyFormatted});
+		if(d.at("cols") != 2,{^this.dictNotProperlyFormatted});
+
 		dict = d;
 		dict_internal = Dictionary.new;
 		dict.at("data").keysValuesDo({
@@ -170,6 +175,7 @@ FluidPlotter {
 		userView = UserView(parent,Rect(xpos,ypos,bounds.width,bounds.height));
 
 		userView.drawFunc_({
+			if(dict_internal.notNil,{
 				dict_internal.keysValuesDo({
 					arg key, pt;
 					var pointSize_, scaledx, scaledy, color;
@@ -197,6 +203,7 @@ FluidPlotter {
 					Pen.draw;
 				});
 			});
+		});
 
 		userView.mouseMoveAction_({
 			arg view, x, y, modifiers;

test/FluidPlotter_test.scd

@@ -1,5 +1,6 @@
 (
 ~dummy_data = {
+	arg xmin = 20, xmax = 20000, ymin = -130, ymax = 0;
 	Dictionary.newFrom([
 		"cols",2,
 		"data",Dictionary.newFrom(Array.fill(200,{
@@ -8,7 +9,7 @@
 			if((i % 2) == 0,{
 				return = "example-%".format((i/2).asInteger);
 			},{
-				return = [exprand(20,20000),rrand(-130,0)];
+				return = [rrand(xmin,xmax),rrand(ymin,ymax)];
 			});
 			// return.postln;
 			return;
@@ -54,6 +55,7 @@ d = ~dummy_data.value;
 
 ~fp.setColor_("example-7",Color.red);
 
+~fp.background_(Color.white)
 ~fp.background_(Color.red)
 
 ~fp.close;
@@ -67,7 +69,7 @@ s.waitForBoot{
 
 		s.sync;
 
-		ds.load(~fp.dict,{
+		ds.load(~dummy_data.(),{
 			kmeans.fitPredict(ds,labelset,{
 				labelset.dump({
 					arg lsdict;
@@ -104,3 +106,10 @@ w = Window("test",Rect(50,50,800,600)).front;
 	"".postln;
 },xmin:20,xmax:20000,ymin:-130,ymax:0);
 )
+
+(
+Window.closeAll;
+~fp = FluidPlotter(bounds:Rect(100,100,500,500))
+)
+
+~fp.dict_(~dummy_data.(0.01,1,0.0,1.0).postln);