void resetIsosurface() {
		if (currentMesh == null)
			allocMesh(null);
		currentMesh.clear("isosurface");
		contourVertexCount = 0;
		currentMesh.firstViewableVertex = 0;
		if (iAddGridPoints) {
			currentMesh.showPoints = true;
			currentMesh.hasGridPoints = true;
		}
		if (cutoff == Float.MAX_VALUE)
			cutoff = defaultCutoff;
		currentMesh.jvxlSurfaceData = "";
		currentMesh.jvxlEdgeData = "";
		currentMesh.jvxlColorData = "";
		edgeCount = 0;
	}