diff --git a/demo/plate1n/data/sample-x100-y170-signal-Txx.csv b/demo/plate1n/data/sample-x100-y170-signal-Txx.csv
new file mode 100644
index 0000000..a086fbf
--- /dev/null
+++ b/demo/plate1n/data/sample-x100-y170-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
+-1.248380285687744617e-04
+-1.147608491010032594e-04
+-2.923382817243691534e-05
+1.307415659539401531e-04
+3.599773335736244917e-04
+6.144827348180115223e-04
+7.936594774946570396e-04
+7.705185562372207642e-04
+4.831373807974159718e-04
+-9.307022992288693786e-05
+-8.239390444941818714e-04
+-1.523497747257351875e-03
+-1.959586748853325844e-03
+-1.961629139259457588e-03
+-1.471020979806780815e-03
+-6.107157678343355656e-04
+3.814829688053578138e-04
+1.217055832967162132e-03
+1.703708316199481487e-03
+1.777612604200839996e-03
+1.531714340671896935e-03
+1.147803734056651592e-03
+8.032800978980958462e-04
+5.910391337238252163e-04
+4.767496429849416018e-04
+3.420746361371129751e-04
+6.725795537931844592e-05
+-3.901072195731103420e-04
+-9.670304134488105774e-04
+-1.496989978477358818e-03
+-1.790254027582705021e-03
+-1.715136459097266197e-03
+-1.269336091354489326e-03
+-5.682185292243957520e-04
+1.911058643599972129e-04
+8.077571983449161053e-04
+1.153093064203858376e-03
+1.197315170429646969e-03
+9.974696440622210503e-04
+6.536259897984564304e-04
+2.972260117530822754e-04
+1.598442577233072370e-05
+-1.705343165667727590e-04
+-2.620004815980792046e-04
+-2.955804229713976383e-04
+-3.047130012419074774e-04
+-2.905950823333114386e-04
+-2.790053258650004864e-04
+-2.738754265010356903e-04
+-2.496870874892920256e-04