| """ |
| A module providing utility functions for bounding box calculations and measurements. |
| |
| This module contains helper functions for working with bounding boxes, including |
| calculations for centers, widths, and distances between points. |
| """ |
|
|
| def get_center_of_bbox(bbox): |
| """ |
| Calculate the center coordinates of a bounding box. |
| |
| Args: |
| bbox (tuple): Bounding box coordinates in format (x1, y1, x2, y2). |
| |
| Returns: |
| tuple: Center coordinates (x, y) of the bounding box. |
| """ |
| x1,y1,x2,y2 = bbox |
| return int((x1+x2)/2),int((y1+y2)/2) |
|
|
| def get_bbox_width(bbox): |
| """ |
| Calculate the width of a bounding box. |
| |
| Args: |
| bbox (tuple): Bounding box coordinates in format (x1, y1, x2, y2). |
| |
| Returns: |
| int: Width of the bounding box. |
| """ |
| return bbox[2]-bbox[0] |
|
|
| def measure_distance(p1,p2): |
| """ |
| Calculate the Euclidean distance between two points. |
| |
| Args: |
| p1 (tuple): First point coordinates (x, y). |
| p2 (tuple): Second point coordinates (x, y). |
| |
| Returns: |
| float: Euclidean distance between the two points. |
| """ |
| return ((p1[0]-p2[0])**2 + (p1[1]-p2[1])**2)**0.5 |
|
|
| def measure_xy_distance(p1,p2): |
| """ |
| Calculate the separate x and y distances between two points. |
| |
| Args: |
| p1 (tuple): First point coordinates (x, y). |
| p2 (tuple): Second point coordinates (x, y). |
| |
| Returns: |
| tuple: The (x_distance, y_distance) between the points. |
| """ |
| return p1[0]-p2[0],p1[1]-p2[1] |
|
|
| def get_foot_position(bbox): |
| """ |
| Calculate the position of the bottom center point of a bounding box. |
| |
| Args: |
| bbox (tuple): Bounding box coordinates in format (x1, y1, x2, y2). |
| |
| Returns: |
| tuple: Coordinates (x, y) of the bottom center point. |
| """ |
| x1,y1,x2,y2 = bbox |
| return int((x1+x2)/2),int(y2) |
