pointercal说明pointercal 英文回答: PointerCal is a pointing calibration tool that uses a camera to track the user's hand and adjust the pointer accordingly. This can be useful for people who have difficulty using a mouse or trackpad, or for people who want to improve their pointing accuracy. ...
1.1 pointercal文件是一个文本文件,通常位于Linux系统中的/sys/class/input目录下。 1.2 pointercal文件存储了触摸屏幕的校准参数,包括屏幕的物理尺寸、坐标系中的最小和最大值等。 1.3 pointercal文件的作用是通过设置正确的校准参数,使触摸屏幕的输入能够准确地对应到屏幕上的坐标位置。 2.生成pointercal文件的公式 2.1...
是触摸屏的校准文件
报这个错误是因为你没有进行屏幕校准，或者是pointercal这个文件被删除了。运行一下：ts_calibrate重新校准一下，这样就能重新生成pointercal文件
Solved: hi experts while discussion with seniors ,I got one question which was like... Normally in Generic Extraction for Transaction Data...we capture delta by NUMERIC