diff --git a/demo/plate1n/data/sample-x227-y314-signal-Txx.csv b/demo/plate1n/data/sample-x227-y314-signal-Txx.csv
new file mode 100644
index 0000000..a1e56f6
--- /dev/null
+++ b/demo/plate1n/data/sample-x227-y314-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
+-4.258315379355891214e-38
+-2.844618268818201477e-34
+-6.333065152625736443e-31
+-8.513109170047178765e-28
+-7.056075328161873746e-25
+-3.668308979747876928e-22
+-1.212447479173901576e-19
+-2.573474525502104010e-17
+-3.531005494911794093e-15
+-3.141132373738614314e-13
+-1.809855910972490989e-11
+-6.716612266366439599e-10
+-1.587907050293324573e-08
+-2.349888745811767876e-07
+-2.123174908774672076e-06
+-1.136185528594069183e-05
+-3.528528031893074512e-05
+-6.676734483335167170e-05
+-9.260627848561853170e-05
+-9.982059418689459562e-05
+-5.994185630697757006e-05
+3.777674282900989056e-05
+1.971130404854193330e-04
+3.977709857281297445e-04
+5.791289731860160828e-04
+6.528850062750279903e-04
+5.477726226672530174e-04
+2.145345497410744429e-04
+-3.008240310009568930e-04
+-8.895743521861732006e-04
+-1.385764218866825104e-03
+-1.628288999199867249e-03
+-1.511427108198404312e-03
+-1.043369062244892120e-03
+-3.400686837267130613e-04
+4.051909781992435455e-04
+1.009980565868318081e-03
+1.352443476207554340e-03
+1.420044805854558945e-03
+1.291475025936961174e-03
+1.081274938769638538e-03
+8.817504858598113060e-04
+7.185076246969401836e-04
+5.426995339803397655e-04
+2.806683187372982502e-04
+-1.094604958780109882e-04
+-5.983777809888124466e-04
+-1.080755726434290409e-03
+-1.407927600666880608e-03
+-1.456066849641501904e-03
+-1.191917224787175655e-03
+-6.894667167216539383e-04
+-1.031263163895346224e-04
+3.843398299068212509e-04
+6.406295578926801682e-04
+6.306525319814682007e-04
+4.127184802200645208e-04
+1.022858341457322240e-04
+-1.675322127994149923e-04
+-3.112929698545485735e-04
+-3.086285432800650597e-04
+-1.826079096645116806e-04
+1.444849294784944504e-05
+2.323593798791989684e-04
+4.450541746336966753e-04
+6.154814618639647961e-04
+7.140071247704327106e-04
+7.141309906728565693e-04