Line Counter Visualization¶
Class: LineCounterZoneVisualizationBlockV1
Source: inference.core.workflows.core_steps.visualizations.line_zone.v1.LineCounterZoneVisualizationBlockV1
The LineCounterZoneVisualization
block draws line
in an image with a specified color and opacity.
Please note: line zone will be drawn on top of image passed to this block,
this block should be placed before other visualization blocks in the workflow.
Type identifier¶
Use the following identifier in step "type"
field: roboflow_core/line_counter_visualization@v1
to add the block as
as step in your workflow.
Properties¶
Name | Type | Description | Refs |
---|---|---|---|
name |
str |
Enter a unique identifier for this step.. | ❌ |
copy_image |
bool |
Enable this option to create a copy of the input image for visualization, preserving the original. Use this when stacking multiple visualizations.. | ✅ |
zone |
List[Any] |
Line in the format [[x1, y1], [x2, y2]] consisting of exactly two points.. | ✅ |
color |
str |
Color of the zone.. | ✅ |
thickness |
int |
Thickness of the lines in pixels.. | ✅ |
text_thickness |
int |
Thickness of the text in pixels.. | ✅ |
text_scale |
float |
Scale of the text.. | ✅ |
count_in |
int |
Reference to the number of objects that crossed into the line zone.. | ✅ |
count_out |
int |
Reference to the number of objects that crossed out of the line zone.. | ✅ |
opacity |
float |
Transparency of the Mask overlay.. | ✅ |
The Refs column marks possibility to parametrise the property with dynamic values available
in workflow
runtime. See Bindings for more info.
Available Connections¶
Compatible Blocks
Check what blocks you can connect to Line Counter Visualization
in version v1
.
- inputs:
Identify Changes
,Camera Focus
,Line Counter
,Polygon Zone Visualization
,Slack Notification
,Local File Sink
,Grid Visualization
,Image Convert Grayscale
,Trace Visualization
,Instance Segmentation Model
,Absolute Static Crop
,Roboflow Custom Metadata
,Perspective Correction
,OpenAI
,Distance Measurement
,Circle Visualization
,Dimension Collapse
,Clip Comparison
,Image Slicer
,OpenAI
,Cosine Similarity
,Triangle Visualization
,Halo Visualization
,Gaze Detection
,Line Counter
,Size Measurement
,Corner Visualization
,Email Notification
,Object Detection Model
,LMM
,Template Matching
,Detections Consensus
,Roboflow Dataset Upload
,Dynamic Crop
,VLM as Classifier
,Depth Estimation
,Dynamic Zone
,Model Monitoring Inference Aggregator
,Buffer
,Stitch Images
,Llama 3.2 Vision
,Anthropic Claude
,Model Comparison Visualization
,Crop Visualization
,Blur Visualization
,SIFT Comparison
,CogVLM
,Image Threshold
,Stability AI Inpainting
,VLM as Detector
,Relative Static Crop
,Image Preprocessing
,Keypoint Visualization
,Background Color Visualization
,Pixel Color Count
,Clip Comparison
,Color Visualization
,Twilio SMS Notification
,OCR Model
,Multi-Label Classification Model
,Classification Label Visualization
,Google Vision OCR
,Camera Calibration
,Pixelate Visualization
,Stitch OCR Detections
,Label Visualization
,Image Slicer
,Reference Path Visualization
,JSON Parser
,Webhook Sink
,Google Gemini
,Roboflow Dataset Upload
,Line Counter Visualization
,Identify Outliers
,Single-Label Classification Model
,Image Blur
,Florence-2 Model
,SIFT Comparison
,LMM For Classification
,Image Contours
,Polygon Visualization
,CSV Formatter
,SIFT
,Florence-2 Model
,Ellipse Visualization
,Mask Visualization
,Keypoint Detection Model
,Bounding Box Visualization
,Dot Visualization
,Stability AI Image Generation
,VLM as Detector
,VLM as Classifier
- outputs:
Camera Focus
,Single-Label Classification Model
,Polygon Zone Visualization
,YOLO-World Model
,Image Convert Grayscale
,Instance Segmentation Model
,Trace Visualization
,Absolute Static Crop
,Perspective Correction
,OpenAI
,Circle Visualization
,Clip Comparison
,Image Slicer
,OpenAI
,Triangle Visualization
,Halo Visualization
,QR Code Detection
,Gaze Detection
,Corner Visualization
,Object Detection Model
,Template Matching
,LMM
,Roboflow Dataset Upload
,VLM as Classifier
,Dynamic Crop
,Depth Estimation
,Buffer
,Stitch Images
,Segment Anything 2 Model
,Object Detection Model
,Llama 3.2 Vision
,Anthropic Claude
,Model Comparison Visualization
,Keypoint Detection Model
,Crop Visualization
,Blur Visualization
,CLIP Embedding Model
,CogVLM
,Dominant Color
,Image Threshold
,Stability AI Inpainting
,SmolVLM2
,VLM as Detector
,Relative Static Crop
,Image Preprocessing
,Pixel Color Count
,Background Color Visualization
,Barcode Detection
,Keypoint Visualization
,Clip Comparison
,Color Visualization
,Moondream2
,OCR Model
,Multi-Label Classification Model
,Classification Label Visualization
,Google Vision OCR
,Pixelate Visualization
,Camera Calibration
,Image Slicer
,Label Visualization
,Time in Zone
,Reference Path Visualization
,Single-Label Classification Model
,Google Gemini
,Roboflow Dataset Upload
,Line Counter Visualization
,Qwen2.5-VL
,Byte Tracker
,Multi-Label Classification Model
,Image Blur
,Florence-2 Model
,SIFT Comparison
,Detections Stabilizer
,LMM For Classification
,Image Contours
,Instance Segmentation Model
,Polygon Visualization
,SIFT
,Florence-2 Model
,Ellipse Visualization
,Mask Visualization
,Keypoint Detection Model
,Detections Stitch
,Bounding Box Visualization
,Dot Visualization
,Stability AI Image Generation
,VLM as Detector
,VLM as Classifier
Input and Output Bindings¶
The available connections depend on its binding kinds. Check what binding kinds
Line Counter Visualization
in version v1
has.
Bindings
-
input
image
(image
): The image to visualize on..copy_image
(boolean
): Enable this option to create a copy of the input image for visualization, preserving the original. Use this when stacking multiple visualizations..zone
(list_of_values
): Line in the format [[x1, y1], [x2, y2]] consisting of exactly two points..color
(string
): Color of the zone..thickness
(integer
): Thickness of the lines in pixels..text_thickness
(integer
): Thickness of the text in pixels..text_scale
(float
): Scale of the text..count_in
(integer
): Reference to the number of objects that crossed into the line zone..count_out
(integer
): Reference to the number of objects that crossed out of the line zone..opacity
(float_zero_to_one
): Transparency of the Mask overlay..
-
output
image
(image
): Image in workflows.
Example JSON definition of step Line Counter Visualization
in version v1
{
"name": "<your_step_name_here>",
"type": "roboflow_core/line_counter_visualization@v1",
"image": "$inputs.image",
"copy_image": true,
"zone": [
[
0,
50
],
[
500,
50
]
],
"color": "WHITE",
"thickness": 2,
"text_thickness": 1,
"text_scale": 1.0,
"count_in": "$steps.line_counter.count_in",
"count_out": "$steps.line_counter.count_out",
"opacity": 0.3
}