diff --git a/demo/plate1n/data/sample-x307-y147-signal-Txx.csv b/demo/plate1n/data/sample-x307-y147-signal-Txx.csv
new file mode 100644
index 0000000..6d121b8
--- /dev/null
+++ b/demo/plate1n/data/sample-x307-y147-signal-Txx.csv
@@ -0,0 +1,99 @@
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+-1.021995668624638462e-37
+-4.275182955154424835e-34
+-9.646403807819579165e-31
+-1.313576088930442123e-27
+-1.102472065053559286e-24
+-5.801897020106200017e-22
+-1.940733608864357048e-19
+-4.168230935464935802e-17
+-5.786420028840080082e-15
+-5.207482123466278257e-13
+-3.034756820841089109e-11
+-1.138544813983344284e-09
+-2.717813885055875289e-08
+-4.049559834129468072e-07
+-3.659705726022366434e-06
+-1.928427445818670094e-05
+-5.681774200638756156e-05
+-9.483834583079442382e-05
+-1.108062788262031972e-04
+-1.000645788735710084e-04
+-2.116617906722240150e-05
+1.193158459500409663e-04
+3.183369699399918318e-04
+5.366544355638325214e-04
+6.859588902443647385e-04
+6.598920444957911968e-04
+4.218198009766638279e-04
+-5.183900066185742617e-05
+-6.376134697347879410e-04
+-1.196078723296523094e-03
+-1.552042667753994465e-03
+-1.586063764989376068e-03
+-1.263019745238125324e-03
+-6.846718024462461472e-04
+-1.332243300566915423e-05
+5.636613932438194752e-04
+9.490637457929551601e-04
+1.121832872740924358e-03
+1.154018682427704334e-03
+1.142252353020012379e-03
+1.144514069892466068e-03
+1.152858952991664410e-03
+1.093846396543085575e-03
+8.744517108425498009e-04
+4.482254153117537498e-04
+-1.560927630634978414e-04
+-8.356031030416488647e-04
+-1.435646787285804749e-03
+-1.803468097932636738e-03
+-1.840850454755127430e-03
+-1.531943678855895996e-03
+-9.459627908654510975e-04
+-2.118822740158066154e-04
+4.995292401872575283e-04
+1.029801787808537483e-03
+1.267072628252208233e-03
+1.169976312667131424e-03
+7.780578453093767166e-04
+2.377323689870536327e-04
+-2.793046005535870790e-04
+-6.355100194923579693e-04
+-7.270238711498677731e-04
+-5.704620853066444397e-04
+-2.563871385063976049e-04
+1.041626601363532245e-04
+3.700579109136015177e-04
+4.698183038271963596e-04
+4.431957204360514879e-04