diff --git a/demo/plate1n/data/sample-x382-y149-signal-Txx.csv b/demo/plate1n/data/sample-x382-y149-signal-Txx.csv
new file mode 100644
index 0000000..b3a9c92
--- /dev/null
+++ b/demo/plate1n/data/sample-x382-y149-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
+-9.646384059514485350e-31
+-1.313570696326597839e-27
+-1.102462598722696633e-24
+-5.801806143329918557e-22
+-1.940684495015486712e-19
+-4.168085351677126469e-17
+-5.786218011482159931e-15
+-5.207476702455415829e-13
+-3.035125276107386583e-11
+-1.139056737819998943e-09
+-2.721168357311398722e-08
+-4.061757863382808864e-07
+-3.685274805320659652e-06
+-1.959237852133810520e-05
+-5.889566455152817070e-05
+-1.023433214868418872e-04
+-1.248380431206896901e-04
+-1.147614966612309217e-04
+-2.924375439761206508e-05
+1.306717604165896773e-04
+3.598568437155336142e-04
+6.150506669655442238e-04
+7.951341103762388229e-04
+7.707728655077517033e-04
+4.830330726690590382e-04
+-9.532823605695739388e-05
+-8.289946708828210831e-04
+-1.532287220470607281e-03
+-1.968838740140199661e-03
+-1.967165851965546608e-03
+-1.467163208872079849e-03
+-5.920756375417113304e-04
+4.156692302785813808e-04
+1.260466640815138817e-03
+1.745358691550791264e-03
+1.799238263629376888e-03
+1.520392950624227524e-03
+1.102752867154777050e-03
+7.320515578612685204e-04
+5.064933793619275093e-04
+4.017139144707471132e-04
+2.891886397264897823e-04
+3.329218088765628636e-05
+-4.254162486176937819e-04
+-1.014573383145034313e-03
+-1.558537478558719158e-03
+-1.835448085330426693e-03
+-1.681603374890983105e-03
+-1.079786452464759350e-03
+-1.832697016652673483e-04
+7.396033033728599548e-04
+1.406410476192831993e-03
+1.625437755137681961e-03
+1.360090100206434727e-03
+7.276687538251280785e-04
+-5.577641059062443674e-05
+-7.343601319007575512e-04
+-1.120068598538637161e-03
+-1.153979217633605003e-03
+-8.741049095988273621e-04
+-4.179015231784433126e-04
+5.814518226543441415e-05
+4.442160134203732014e-04
+6.551995757035911083e-04
+6.714018527418375015e-04
+5.556248361244797707e-04