# Projection from Lambert Conformal Conic to Lat/Lon

**URL:** <https://discourse.julialang.org/t/projection-from-lambert-conformal-conic-to-lat-lon/68629>\
**Category:** Geo\
**Tags:** gmt, geodesy\
**Created:** [September 23, 2021, 12:40pm UTC](https://discourse.julialang.org/t/projection-from-lambert-conformal-conic-to-lat-lon/68629 "2021-09-23T12:40:28Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![rafael.guerra](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/rafael.guerra/32/216610_2.png) [@rafael.guerra](https://discourse.julialang.org/u/rafael.guerra)\
**Post date:** [September 23, 2021, 1:09pm UTC](https://discourse.julialang.org/t/projection-from-lambert-conformal-conic-to-lat-lon/68629/2 "2021-09-23T13:09:58Z")

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Please check [this post using GMT](https://discourse.julialang.org/t/projecting-and-interpolating-data-to-a-regular-grid/56162/9).  
As your projection uses only one standard parallel, believe you have to set `lat_1` equal to `lat_2`.

It should be possible to do this also using proj4.jl

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_[View the full topic](https://discourse.julialang.org/t/projection-from-lambert-conformal-conic-to-lat-lon/68629)._