Add tutorial to construct spherical depth projection from raw lidar point cloud

tutorials/raw_depth_projection/pandar64_channel_distribution.csv

@@ -0,0 +1,65 @@
+channel,horizontal_angle_offset,vertical_angle
+1,-1.042,14.882
+2,-1.042,11.032
+3,-1.042,8.059
+4,-1.042,5.057
+5,-1.042,3.040
+6,-1.042,2.028
+7,1.042,1.860
+8,3.125,1.688
+9,5.208,1.522
+10,-5.208,1.351
+11,-3.125,1.184
+12,-1.042,1.013
+13,1.042,0.846
+14,3.125,0.675
+15,5.208,0.508
+16,-5.208,0.337
+17,-3.125,0.169
+18,-1.042,0.000
+19,1.042,-0.169
+20,3.125,-0.337
+21,5.208,-0.508
+22,-5.208,-0.675
+23,-3.125,-0.845
+24,-1.042,-1.013
+25,1.042,-1.184
+26,3.125,-1.351
+27,5.208,-1.522
+28,-5.208,-1.688
+29,-3.125,-1.860
+30,-1.042,-2.028
+31,1.042,-2.198
+32,3.125,-2.365
+33,5.208,-2.536
+34,-5.208,-2.700
+35,-3.125,-2.873
+36,-1.042,-3.040
+37,1.042,-3.210
+38,3.125,-3.375
+39,5.208,-3.548
+40,-5.208,-3.712
+41,-3.125,-3.884
+42,-1.042,-4.050
+43,1.042,-4.221
+44,3.125,-4.385
+45,5.208,-4.558
+46,-5.208,-4.720
+47,-3.125,-4.892
+48,-1.042,-5.057
+49,1.042,-5.229
+50,3.125,-5.391
+51,5.208,-5.565
+52,-5.208,-5.726
+53,-3.125,-5.898
+54,-1.042,-6.061
+55,-1.042,-7.063
+56,-1.042,-8.059
+57,-1.042,-9.060
+58,-1.042,-9.885
+59,-1.042,-11.032
+60,-1.042,-12.006
+61,-1.042,-12.974
+62,-1.042,-13.930
+63,-1.042,-18.889
+64,-1.042,-24.897