verifyMetalDensity

verifyMetalDensity执行命令：
encounter 49> verifyMetalDensity
******** Start: VERIFY DENSITY ********
**ERROR: (ENCVMD-40):no window or step values are provided for layer "M1".
**ERROR: (ENCVMD-39):density will not be calculated for "M1".
**ERROR: (ENCVMD-40):no window or step values are provided for layer "M2".
**ERROR: (ENCVMD-39):density will not be calculated for "M2".
**ERROR: (ENCVMD-40):no window or step values are provided for layer "M3".
**ERROR: (ENCVMD-39):density will not be calculated for "M3".
**ERROR: (ENCVMD-40):no window or step values are provided for layer "M4".
**ERROR: (ENCVMD-39):density will not be calculated for "M4".
**ERROR: (ENCVMD-40):no window or step values are provided for layer "M5".
**ERROR: (ENCVMD-39):density will not be calculated for "M5".
**ERROR: (ENCVMD-40):no window or step values are provided for layer "M6".
**ERROR: (ENCVMD-39):density will not be calculated for "M6".
**ERROR: (ENCVMD-40):no window or step values are provided for layer "M7".
**ERROR: (ENCVMD-39):density will not be calculated for "M7".
**ERROR: (ENCVMD-40):no window or step values are provided for layer "M8".
**ERROR: (ENCVMD-39):density will not be calculated for "M8".
**ERROR: density values not provided for any routing layer.
Please add Density statements in LEF or Use the setMetalFill command to set density parameters.
******** End: VERIFY DENSITY ********
具体问题在LEF问题，是如何处理?setMetalFill 和相关密度参数。

提示的很明显啊，需要告诉工具winSize Window Step ，即检查的窗口大小和步长

检查你的tf file， 那里有定义的， 没有自己定义下，一般是有的，，可能你的tf有问题