diff --git a/index.html b/index.html
index 37559189..ca2f36f7 100644
--- a/index.html
+++ b/index.html
@@ -285,6 +285,7 @@
 	var opacityCache = [];
 	var resetBool = true;
 
+
 	// actual calls
 	init();
 	animate();
@@ -530,6 +531,7 @@
 		// }
 
 
+
 		visualFolder.add(GUIparam, 'opacityTuning', 0, 1).name('Opacity').onChange(function(){
 			opacityTuning = GUIparam.opacityTuning;
 			updatePtsColor();
@@ -690,6 +692,7 @@
 
 		gui.add(lonController);
 
+
 		if (colorMapBool && dataDirectory === "data/plankton/") {
 			colorModeList.push("lat", "lon", "t", "s", "H1", "H2", "H3");
 			colorMapDropDown = visualFolder.add(GUIparam, 'colorMode', colorModeList).name('Color Mode').onChange(function(){
@@ -2190,6 +2193,127 @@
 			}
 		}
 
+		if (dataDirectory === "data/plankton/") {
+			if (planktonTThreshold !== 0){
+				for (var cutoff = 0; cutoff < planktonTThreshold; cutoff++) {
+					var pos_point = planktonTFilter[cutoff - 1];
+					var neg_point = planktonTFilter[-cutoff];
+
+					particleColor[ pos_point * 3 ] = 0.0;
+					particleColor[ pos_point * 3 + 1 ] = 0.0;
+					particleColor[ pos_point * 3 + 2] = 0.0;
+					particleOpacity[pos_point] = 0.0;
+
+					particleColor[ neg_point * 3 ] = 0.0;
+					particleColor[ neg_point * 3 + 1 ] = 0.0;
+					particleColor[ neg_point * 3 + 2] = 0.0;
+					particleOpacity[neg_point] = 0.0;
+				}
+			}
+			if (planktonSThreshold !== 0) {
+				for (var cutoff = 0; cutoff < planktonSThreshold; cutoff++) {
+					var pos_point = planktonSFilter[cutoff - 1];
+					var neg_point = planktonSFilter[planktonSThreshold.length - cutoff];
+
+					particleColor[ pos_point * 3 ] = 0.0;
+					particleColor[ pos_point * 3 + 1 ] = 0.0;
+					particleColor[ pos_point * 3 + 2] = 0.0;
+					particleOpacity[pos_point] = 0.0;
+
+					particleColor[ neg_point * 3 ] = 0.0;
+					particleColor[ neg_point * 3 + 1 ] = 0.0;
+					particleColor[ neg_point * 3 + 2] = 0.0;
+					particleOpacity[neg_point] = 0.0;
+				}
+
+			}
+			if (planktonLatitudeThreshold !== 0) {
+				for (var cutoff = 0; cutoff < planktonLatitudeThreshold; cutoff++) {
+					var pos_point = planktonLatFilter[cutoff - 1];
+					var neg_point = planktonLatFilter[planktonLatFilter.length - cutoff];
+
+					particleColor[ pos_point * 3 ] = 0.0;
+					particleColor[ pos_point * 3 + 1 ] = 0.0;
+					particleColor[ pos_point * 3 + 2] = 0.0;
+					particleOpacity[pos_point] = 0.0;
+
+					particleColor[ neg_point * 3 ] = 0.0;
+					particleColor[ neg_point * 3 + 1 ] = 0.0;
+					particleColor[ neg_point * 3 + 2] = 0.0;
+					particleOpacity[neg_point] = 0.0;
+				}
+
+			}
+			if (planktonLongitudeThreshold !== 0) {
+				for (var cutoff = 0; cutoff < planktonLongitudeThreshold; cutoff++) {
+					var pos_point = planktonLonFilter[cutoff - 1];
+					var neg_point = planktonLonFilter[planktonLonFilter.length - cutoff];
+
+					particleColor[ pos_point * 3 ] = 0.0;
+					particleColor[ pos_point * 3 + 1 ] = 0.0;
+					particleColor[ pos_point * 3 + 2] = 0.0;
+					particleOpacity[pos_point] = 0.0;
+
+					particleColor[ neg_point * 3 ] = 0.0;
+					particleColor[ neg_point * 3 + 1 ] = 0.0;
+					particleColor[ neg_point * 3 + 2] = 0.0;
+					particleOpacity[neg_point] = 0.0;
+				}
+
+			}
+			if (planktonH1Threshold !== 0) {
+				for (var cutoff = 0; cutoff < planktonH1Threshold; cutoff++) {
+					var pos_point = planktonH1Filter[cutoff - 1];
+					var neg_point = planktonH1Filter[planktonH1Filter.length - cutoff];
+
+					particleColor[ pos_point * 3 ] = 0.0;
+					particleColor[ pos_point * 3 + 1 ] = 0.0;
+					particleColor[ pos_point * 3 + 2] = 0.0;
+					particleOpacity[pos_point] = 0.0;
+
+					particleColor[ neg_point * 3 ] = 0.0;
+					particleColor[ neg_point * 3 + 1 ] = 0.0;
+					particleColor[ neg_point * 3 + 2] = 0.0;
+					particleOpacity[neg_point] = 0.0;
+				}
+			}
+			if (planktonH2Threshold !== 0) {
+				for (var cutoff = 0; cutoff < planktonH2Threshold; cutoff++) {
+					var pos_point = planktonH2Filter[cutoff - 1];
+					var neg_point = planktonH2Filter[planktonH2Filter.length - cutoff];
+
+					particleColor[ pos_point * 3 ] = 0.0;
+					particleColor[ pos_point * 3 + 1 ] = 0.0;
+					particleColor[ pos_point * 3 + 2] = 0.0;
+					particleOpacity[pos_point] = 0.0;
+
+					particleColor[ neg_point * 3 ] = 0.0;
+					particleColor[ neg_point * 3 + 1 ] = 0.0;
+					particleColor[ neg_point * 3 + 2] = 0.0;
+					particleOpacity[neg_point] = 0.0;
+				}
+
+			}
+			if (planktonH3Threshold !== 0) {
+				for (var cutoff = 0; cutoff < planktonH3Threshold; cutoff++) {
+					var pos_point = planktonH3Filter[cutoff - 1];
+					var neg_point = planktonH3Filter[planktonH3Filter.length -cutoff];
+
+					particleColor[ pos_point * 3 ] = 0.0;
+					particleColor[ pos_point * 3 + 1 ] = 0.0;
+					particleColor[ pos_point * 3 + 2] = 0.0;
+					particleOpacity[pos_point] = 0.0;
+
+					particleColor[ neg_point * 3 ] = 0.0;
+					particleColor[ neg_point * 3 + 1 ] = 0.0;
+					particleColor[ neg_point * 3 + 2] = 0.0;
+					particleOpacity[neg_point] = 0.0;
+				}
+
+			}
+		}
+
+
 	}
 
 	function planktonFiltering(feature, center) {