Hi, I'm working with a de novo genome assembly and I want to view the read alignments in IGV. I have already sorted and indexed (.bam and .bai) the reads, but when try to view them in IGV nothing happens.

as-munoz:~ andrewcrawford$ /Users/andrewcrawford/Instaladores/samtools-0.1.19/samtools view -h /Volumes/Biomics_Transcriptomics/Datos_Tesis_Santiago_Herrera/Dovetail/bams/chicagoLibrary1.a.lines.snap.md.sorted.bam | head -30

@HD VN:1.4  SO:coordinate
@RG ID:FASTQ    PL:Illumina PU:pu   LB:lb   SM:sm
@PG ID:SNAP PN:SNAP CL:paired /mnt/projects/capybara/results/a.lines/snap_index_16 merged_r1.fq.gz merged_r2.fq.gz -t 16 -o -bam aln/capybara.CP1786.snap.md.sorted.bamtmp.bam -ku -as -C-+ -tj GATCGATC -mrl 20 -pf analysis/alignment_stats.txt   VN:1.0dev.67_as
@SQ SN:flattened_line_0 LN:1915822
@SQ SN:flattened_line_2 LN:1534219
@SQ SN:flattened_line_4 LN:1469672
@SQ SN:flattened_line_6 LN:1370607
@SQ SN:flattened_line_8 LN:1283437
@SQ SN:flattened_line_10    LN:1278185
@SQ SN:flattened_line_12    LN:1243555
@SQ SN:flattened_line_14    LN:1221447
@SQ SN:flattened_line_16    LN:1204894
@SQ SN:flattened_line_18    LN:1187301
@SQ SN:flattened_line_20    LN:1170803
@SQ SN:flattened_line_22    LN:1147142
@SQ SN:flattened_line_24    LN:1127848
@SQ SN:flattened_line_26    LN:1116213
@SQ SN:flattened_line_28    LN:1097203
@SQ SN:flattened_line_30    LN:1084106
@SQ SN:flattened_line_32    LN:1078477
@SQ SN:flattened_line_34    LN:1066228
@SQ SN:flattened_line_36    LN:1062702
@SQ SN:flattened_line_38    LN:1062595
@SQ SN:flattened_line_40    LN:1047902
@SQ SN:flattened_line_42    LN:1050310
@SQ SN:flattened_line_44    LN:1045527
@SQ SN:flattened_line_46    LN:1024540
@SQ SN:flattened_line_48    LN:1021804
@SQ SN:flattened_line_50    LN:1020795
@SQ SN:flattened_line_52    LN:1017325

I really appreciate any help,

best,

Santiago