This color of trajectory of a feature with too long track length on the display image will be white current now. This problem is caused by the property of integer division, so I multiplied the first by 1.0 to turn the result into a float number, avoiding this problem.
This color of trajectory of a feature with too long track length on the display image will be white current now. This problem is caused by the property of integer division, so I multiplied the first by 1.0 to turn the result into a float number, avoiding this problem.