halcon中的$语法

萌新求教，下面代码中的$字符如何理解其作用？

1. NumImages := 11
   
2. for Index := 1 to NumImages by 1
   
3.     read_image (Image, 'plastics/plastics_' + Index$'02')

复制代码

来自例程 detect_indent_fft

https://blog.csdn.net/Fenellosa/article/details/52126636
看看这个

zjjdsg 发表于 2023-9-7 14:57
https://blog.csdn.net/Fenellosa/article/details/52126636
看看这个

感谢，已解决
https://www.cnblogs.com/guorongtao/p/14296262.html

gameboy777 发表于 2023-9-7 15:36
感谢，已解决
https://www.cnblogs.com/guorongtao/p/14296262.html

嘿嘿嘿，不客气