Combine 'Merge by Distance' nodes with a choice of algorithm; clean up 'Boolean Operation' node result with merge-by-distance

editor/src/messages/portfolio/document/node_graph/node_properties.rs

@@ -23,8 +23,8 @@ use graphene_std::text::Font;
 use graphene_std::transform::{Footprint, ReferencePoint};
 use graphene_std::vector::VectorDataTable;
 use graphene_std::vector::generator_nodes::grid;
-use graphene_std::vector::misc::ArcType;
 use graphene_std::vector::misc::CentroidType;
+use graphene_std::vector::misc::{ArcType, MergeByDistanceAlgorithm};
 use graphene_std::vector::misc::{BooleanOperation, GridType};
 use graphene_std::vector::style::{Fill, FillChoice, FillType, GradientStops};
 use graphene_std::vector::style::{GradientType, PaintOrder, StrokeAlign, StrokeCap, StrokeJoin};
@@ -238,6 +238,7 @@ pub(crate) fn property_from_type(
 						Some(x) if x == TypeId::of::<StrokeAlign>() => enum_choice::<StrokeAlign>().for_socket(default_info).property_row(),
 						Some(x) if x == TypeId::of::<PaintOrder>() => enum_choice::<PaintOrder>().for_socket(default_info).property_row(),
 						Some(x) if x == TypeId::of::<ArcType>() => enum_choice::<ArcType>().for_socket(default_info).property_row(),
+						Some(x) if x == TypeId::of::<MergeByDistanceAlgorithm>() => enum_choice::<MergeByDistanceAlgorithm>().for_socket(default_info).property_row(),
 						Some(x) if x == TypeId::of::<BooleanOperation>() => enum_choice::<BooleanOperation>().for_socket(default_info).property_row(),
 						Some(x) if x == TypeId::of::<CentroidType>() => enum_choice::<CentroidType>().for_socket(default_info).property_row(),
 						Some(x) if x == TypeId::of::<LuminanceCalculation>() => enum_choice::<LuminanceCalculation>().for_socket(default_info).property_row(),

editor/src/messages/portfolio/portfolio_message_handler.rs

@@ -1032,6 +1032,48 @@ impl MessageHandler<PortfolioMessage, PortfolioMessageData<'_>> for PortfolioMes
 
 						document.network_interface.replace_reference_name(node_id, network_path, "Auto-Tangents".to_string());
 					}
+
+					if reference == "Merge by Distance" && inputs_count == 2 {
+						let node_definition = resolve_document_node_type("Merge by Distance").unwrap();
+						let new_node_template = node_definition.default_node_template();
+						let document_node = new_node_template.document_node;
+						document.network_interface.replace_implementation(node_id, network_path, document_node.implementation.clone());
+						document
+							.network_interface
+							.replace_implementation_metadata(node_id, network_path, new_node_template.persistent_node_metadata);
+
+						let old_inputs = document.network_interface.replace_inputs(node_id, document_node.inputs.clone(), network_path);
+
+						document.network_interface.set_input(&InputConnector::node(*node_id, 0), old_inputs[0].clone(), network_path);
+						document.network_interface.set_input(&InputConnector::node(*node_id, 1), old_inputs[1].clone(), network_path);
+						document.network_interface.set_input(
+							&InputConnector::node(*node_id, 2),
+							NodeInput::value(TaggedValue::MergeByDistanceAlgorithm(graphene_std::vector::misc::MergeByDistanceAlgorithm::Topological), false),
+							network_path,
+						);
+					}
+
+					if reference == "Spatial Merge by Distance" {
+						let node_definition = resolve_document_node_type("Merge by Distance").unwrap();
+						let new_node_template = node_definition.default_node_template();
+						let document_node = new_node_template.document_node;
+						document.network_interface.replace_implementation(node_id, network_path, document_node.implementation.clone());
+						document
+							.network_interface
+							.replace_implementation_metadata(node_id, network_path, new_node_template.persistent_node_metadata);
+
+						let old_inputs = document.network_interface.replace_inputs(node_id, document_node.inputs.clone(), network_path);
+
+						document.network_interface.set_input(&InputConnector::node(*node_id, 0), old_inputs[0].clone(), network_path);
+						document.network_interface.set_input(&InputConnector::node(*node_id, 1), old_inputs[1].clone(), network_path);
+						document.network_interface.set_input(
+							&InputConnector::node(*node_id, 2),
+							NodeInput::value(TaggedValue::MergeByDistanceAlgorithm(graphene_std::vector::misc::MergeByDistanceAlgorithm::Spatial), false),
+							network_path,
+						);
+
+						document.network_interface.replace_reference_name(node_id, network_path, "Merge by Distance".to_string());
+					}
 				}
 
 				// TODO: Eventually remove this document upgrade code

node-graph/gcore/src/vector/algorithms/merge_by_distance.rs

@@ -5,7 +5,7 @@ use rustc_hash::FxHashSet;
 
 impl VectorData {
 	/// Collapse all points with edges shorter than the specified distance
-	pub(crate) fn merge_by_distance(&mut self, distance: f64) {
+	pub fn merge_by_distance(&mut self, distance: f64) {
 		// Treat self as an undirected graph
 		let indices = VectorDataIndex::build_from(self);
 

node-graph/gcore/src/vector/misc.rs

@@ -94,6 +94,15 @@ pub enum ArcType {
 	PieSlice,
 }
 
+#[repr(C)]
+#[derive(Debug, Clone, Copy, Default, PartialEq, Eq, serde::Serialize, serde::Deserialize, Hash, DynAny, specta::Type, node_macro::ChoiceType)]
+#[widget(Radio)]
+pub enum MergeByDistanceAlgorithm {
+	#[default]
+	Spatial,
+	Topological,
+}
+
 pub fn point_to_dvec2(point: Point) -> DVec2 {
 	DVec2 { x: point.x, y: point.y }
 }

node-graph/gcore/src/vector/vector_nodes.rs

@@ -9,7 +9,7 @@ use crate::raster_types::{CPU, RasterDataTable};
 use crate::registry::types::{Angle, Fraction, IntegerCount, Length, Multiplier, Percentage, PixelLength, PixelSize, SeedValue};
 use crate::renderer::GraphicElementRendered;
 use crate::transform::{Footprint, ReferencePoint, Transform};
-use crate::vector::misc::dvec2_to_point;
+use crate::vector::misc::{MergeByDistanceAlgorithm, dvec2_to_point};
 use crate::vector::style::{PaintOrder, StrokeAlign, StrokeCap, StrokeJoin};
 use crate::vector::{FillId, PointDomain, RegionId};
 use crate::{CloneVarArgs, Color, Context, Ctx, ExtractAll, GraphicElement, GraphicGroupTable, OwnedContextImpl};
@@ -549,16 +549,19 @@ async fn round_corners(
 	result_table
 }
 
-#[node_macro::node(name("Spatial Merge by Distance"), category("Debug"), path(graphene_core::vector))]
+#[node_macro::node(name("Merge by Distance"), category("Vector"), path(graphene_core::vector))]
-async fn spatial_merge_by_distance(
+pub fn merge_by_distance(
 	_: impl Ctx,
 	vector_data: VectorDataTable,
 	#[default(0.1)]
 	#[hard_min(0.0001)]
-	distance: f64,
+	distance: Length,
+	algorithm: MergeByDistanceAlgorithm,
 ) -> VectorDataTable {
 	let mut result_table = VectorDataTable::default();
 
+	match algorithm {
+		MergeByDistanceAlgorithm::Spatial => {
 			for mut vector_data_instance in vector_data.instance_iter() {
 				let vector_data_transform = vector_data_instance.transform;
 				let vector_data = vector_data_instance.instance;
@@ -679,6 +682,14 @@ async fn spatial_merge_by_distance(
 				vector_data_instance.source_node_id = None;
 				result_table.push(vector_data_instance);
 			}
+		}
+		MergeByDistanceAlgorithm::Topological => {
+			for mut source_instance in vector_data.instance_iter() {
+				source_instance.instance.merge_by_distance(distance);
+				result_table.push(source_instance);
+			}
+		}
+	}
 
 	result_table
 }
@@ -1859,18 +1870,6 @@ fn point_inside(_: impl Ctx, source: VectorDataTable, point: DVec2) -> bool {
 	source.instance_iter().any(|instance| instance.instance.check_point_inside_shape(instance.transform, point))
 }
 
-#[node_macro::node(name("Merge by Distance"), category("Vector"), path(graphene_core::vector))]
-fn merge_by_distance(_: impl Ctx, source: VectorDataTable, #[default(10.)] distance: Length) -> VectorDataTable {
-	let mut result_table = VectorDataTable::default();
-
-	for mut source_instance in source.instance_iter() {
-		source_instance.instance.merge_by_distance(distance);
-		result_table.push(source_instance);
-	}
-
-	result_table
-}
-
 #[node_macro::node(category("Vector"), path(graphene_core::vector))]
 async fn area(ctx: impl Ctx + CloneVarArgs + ExtractAll, vector_data: impl Node<Context<'static>, Output = VectorDataTable>) -> f64 {
 	let new_ctx = OwnedContextImpl::from(ctx).with_footprint(Footprint::default()).into_context();

node-graph/graph-craft/src/document/value.rs

@@ -233,6 +233,7 @@ tagged_value! {
 	SelectiveColorChoice(graphene_core::raster::SelectiveColorChoice),
 	GridType(graphene_core::vector::misc::GridType),
 	ArcType(graphene_core::vector::misc::ArcType),
+	MergeByDistanceAlgorithm(graphene_core::vector::misc::MergeByDistanceAlgorithm),
 	#[serde(alias = "LineCap")]
 	StrokeCap(graphene_core::vector::style::StrokeCap),
 	#[serde(alias = "LineJoin")]

node-graph/gstd/src/vector.rs

@@ -41,6 +41,9 @@ async fn boolean_operation<I: Into<GraphicGroupTable> + 'n + Send + Clone>(
 		VectorData::transform(result_vector_data.instance, transform);
 		result_vector_data.instance.style.set_stroke_transform(DAffine2::IDENTITY);
 		result_vector_data.instance.upstream_graphic_group = Some(group_of_paths.clone());
+
+		// Clean up the boolean operation result by merging duplicated points
+		result_vector_data.instance.merge_by_distance(0.001);
 	}
 
 	result_vector_data_table