please how i can let image height=textheight in lyx? like: \includegraphics[height=\textheight]{file}
but without latex code, i mean by local layout or preamble, i tried to made local layout but failed. why i want that? this help me to add images like a symbols inside the line, i know i can do it by figure option but this let me change the image size when i change the font or the font sixe. regards * i hope the lyx dev add it in figure option ( in height set: % height of line).