Secondary-gie in deepstream-app

I am using Deepstream 6.0 on Jetson nano with Jetpack 4.6.1.

I am trying to run a second gie as a classifier for a car class, the primary model is yolov4 detection model and its working fine with displaying the metadata.

I want to display the details of the secondary gie on the screen (same as deepstrea-test2) using deepstream-app as follows:

deepstream-app -c deepstream_app_config.txt 

My config file:

[application]
enable-perf-measurement=1
perf-measurement-interval-sec=5
gie-kitti-output-dir=/opt/nvidia/deepstream/deepstream-6.0/DeepStream-Yolo/kitti
#kitti-track-output-dir=/opt/nvidia/deepstream/deepstream-6.0/DeepStream-Yolo/kitti2

[tiled-display]
enable=1
rows=1
columns=1  # Set to 1 column for video streaming only
width=1280
height=720
gpu-id=0
nvbuf-memory-type=0

[source0]
enable=1
type=3
uri=file:///opt/nvidia/deepstream/deepstream-6.0/samples/streams/sample_1080p_h264.mp4
#uri=file:///opt/nvidia/deepstream/deepstream-6.0/DeepStream-Yolo/IR.mp4
num-sources=1
gpu-id=0
cudadec-memtype=0

[sink0]
enable=1
type=2
sync=0
gpu-id=0
nvbuf-memory-type=0

[osd]
enable=1
gpu-id=0
border-width=5
text-size=15
text-color=1;1;1;1;
text-bg-color=0.3;0.3;0.3;1
font=Serif
show-clock=0
clock-x-offset=800
clock-y-offset=820
clock-text-size=12
clock-color=1;0;0;0
nvbuf-memory-type=0


[streammux]
gpu-id=0
live-source=0
batch-size=1
batched-push-timeout=40000
width=1920
height=1080
enable-padding=0
nvbuf-memory-type=0

[primary-gie]
enable=1
gpu-id=0
gie-unique-id=1
nvbuf-memory-type=0
config-file=config_infer_primary.txt


[secondary-gie0]
enable=1
model-engine-file=resnet18.caffemodel_b16_gpu0_fp16.engine
batch-size=20
gpu-id=0
gie-unique-id=2
operate-on-gie-id=1
operate-on-class-ids=2
nvbuf-memory-type=0
config-file=/opt/nvidia/deepstream/deepstream-6.0/samples/configs/deepstream-app/config_infer_secondary_carcolor.txt


[tests]
file-loop=0

Can you attach a picture to describe what you want to display in detail?

I solved the issue by adding a tracker:

[tracker]
enable=1
# For NvDCF and DeepSORT tracker, tracker-width and tracker-height must be a multiple of 32, respectively
tracker-width=640
tracker-height=384
ll-lib-file=/opt/nvidia/deepstream/deepstream-6.0/lib/libnvds_nvmultiobjecttracker.so
# ll-config-file required to set different tracker types
# ll-config-file=../../../../../samples/configs/deepstream-app/config_tracker_IOU.yml
ll-config-file=../../../../../samples/configs/deepstream-app/config_tracker_NvDCF_perf.yml
# ll-config-file=../../../../../samples/configs/deepstream-app/config_tracker_NvDCF_accuracy.yml
# ll-config-file=../../../../../samples/configs/deepstream-app/config_tracker_DeepSORT.yml
gpu-id=0
enable-batch-process=1
enable-past-frame=1
display-tracking-id=1

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