@ -600,7 +600,7 @@
y1 = pgm_read_float(&(ubl.mesh_index_to_ypos[cell_yi+1])); // 64 byte table lookup avoids mul+add
float cx = rx - x0, // cell-relative x
cy = ry - y0; // cell-relative y
cy = ry - y0, // cell-relative y
z_x0y0 = ubl.z_values[cell_xi ][cell_yi ], // z at lower left corner
z_x1y0 = ubl.z_values[cell_xi+1][cell_yi ], // z at upper left corner
z_x0y1 = ubl.z_values[cell_xi ][cell_yi+1], // z at lower right corner