<html><head></head><body><div style="font-family:times new roman, new york, times, serif;font-size:16px;"><div style="font-family:times new roman, new york, times, serif;font-size:16px;">Hi Dear</div><div style="font-family:times new roman, new york, times, serif;font-size:16px;">I want draw meteogram wrfchem model dust vs height or pressure but ncl example is model levels</div><div style="font-family:times new roman, new york, times, serif;font-size:16px;">how i change vertical axis to limited height(6km) or limited pressure(500 hpa)</div><div style="font-family:times new roman, new york, times, serif;font-size:16px;"><br></div><div style="font-family:times new roman, new york, times, serif;font-size:16px;">thanks for response<br></div></div></body></html>