diff --git a/demo/plate1n/data/sample-x324-y165-signal-Txx.csv b/demo/plate1n/data/sample-x324-y165-signal-Txx.csv
new file mode 100644
index 0000000..f0ef242
--- /dev/null
+++ b/demo/plate1n/data/sample-x324-y165-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
+-9.646384999909966008e-31
+-1.313570600030100619e-27
+-1.102462598722696633e-24
+-5.801806143329918557e-22
+-1.940684365768516000e-19
+-4.168086344293861533e-17
+-5.786223940712790711e-15
+-5.207488086578226927e-13
+-3.035141235563365569e-11
+-1.139067840050245195e-09
+-2.721194825028305786e-08
+-4.061660945353651186e-07
+-3.684455123220686801e-06
+-1.957039603439625353e-05
+-5.860890814801678061e-05
+-1.004345176625065506e-04
+-1.185166838695295155e-04
+-1.045215831254608929e-04
+-1.962256283150054514e-05
+1.347309735137969255e-04
+3.481221210677176714e-04
+5.794270546175539494e-04
+7.308287313207983971e-04
+6.844691233709454536e-04
+3.988757962360978127e-04
+-1.365279313176870346e-04
+-7.833216222934424877e-04
+-1.365909818559885025e-03
+-1.685968134552240372e-03
+-1.616643508896231651e-03
+-1.140930922701954842e-03
+-4.091988957952708006e-04
+3.525944484863430262e-04
+9.073547553271055222e-04
+1.142674358561635017e-03
+1.075430307537317276e-03
+8.547542965970933437e-04
+6.663366802968084812e-04
+6.374154472723603249e-04
+7.711032521910965443e-04
+9.439311106689274311e-04
+9.721756796352565289e-04
+7.194517529569566250e-04
+1.682641013758257031e-04
+-5.586447077803313732e-04
+-1.241212710738182068e-03
+-1.654633670113980770e-03
+-1.667265547439455986e-03
+-1.297196722589433193e-03
+-6.881650188006460667e-04
+-3.975832078140228987e-05
+4.587495059240609407e-04
+7.060105563141405582e-04
+6.985905929468572140e-04
+5.008557927794754505e-04
+2.056867378996685147e-04
+-7.869883847888559103e-05
+-2.729154075495898724e-04
+-3.479219449218362570e-04
+-2.808888384606689215e-04
+-8.932352648116648197e-05
+1.754754484863951802e-04
+4.582092224154621363e-04
+6.547380471602082253e-04
+6.736641516909003258e-04
+5.028228624723851681e-04