skip UMAP when number of cases is greater than 500

nunocalaim · Nov 15, 2021 · 07050f3 · 07050f3
1 parent 4648580
commit 07050f3
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diff --git a/histoqc/ui/UserInterface/scripts/data_load.js b/histoqc/ui/UserInterface/scripts/data_load.js
@@ -60,6 +60,12 @@ function load_raw_data () {
 			.text("Current dataset: " + cur_file.name + " | Size: " + 
 				ORIGINAL_DATASET.length + " slides");
 
+		if (ORIGINAL_DATASET.length >= 500) {
+			CALC_UMAP = false;
+		} else {
+			CALC_UMAP = true;
+		}
+
 		// update all necessary global variables -------------------------------
 		// build case list
 		ORIGINAL_CASE_LIST = ORIGINAL_DATASET.map(function (d) {

diff --git a/histoqc/ui/UserInterface/scripts/global_vars.js b/histoqc/ui/UserInterface/scripts/global_vars.js
@@ -95,6 +95,7 @@ var CHART_SVG, PARAC_SVG,
 var PARA_COOR_SELECTED;
 var CURRENT_PARALLEL_ATTRIBUTES;
 var COLOR_PLATE = [];
+var CALC_UMAP;
 
 /****************** IMAGE VIEW ****************/
 var SKIP_IMAGE_EXTENSIONS = [];

diff --git a/histoqc/ui/UserInterface/scripts/scatter_chart.js b/histoqc/ui/UserInterface/scripts/scatter_chart.js
@@ -298,6 +298,18 @@ function calc_umap_embedding (cases) {
 		});
 
 		return data;
+	} else if (!CALC_UMAP) {
+		var data = cases.map(function (d, i) {
+			return {
+				case_name: d["filename"],
+				groupid: d["groupid"],
+				testind: d["testind"],
+				x_pos: 0,
+				y_pos: 0
+			};
+		});
+
+		return data;		
 	} else {
 		var pre_matrix = cases.map(function (d) {
 			var case_value = [];
@@ -376,6 +388,7 @@ function init_scatter_vars_selector(
 	});
 
 	$("#umap-rerun-btn").on("click", function () {
+		CALC_UMAP = true;
 		update_chart_view("scatter_plot", CURRENT_MULTI_SELECTED);
 	});