{"action":"opened","issue":{"url":"https://api.github.com/repos/fatiando/fatiando/issues/225","labels_url":"https://api.github.com/repos/fatiando/fatiando/issues/225/labels{/name}","comments_url":"https://api.github.com/repos/fatiando/fatiando/issues/225/comments","events_url":"https://api.github.com/repos/fatiando/fatiando/issues/225/events","html_url":"https://github.com/fatiando/fatiando/issues/225","id":99763807,"number":225,"title":"Prism gravity and magnetic forward modeling in the frequency domain","user":{"login":"leouieda","id":290082,"avatar_url":"https://avatars.githubusercontent.com/u/290082?v=3","gravatar_id":"","url":"https://api.github.com/users/leouieda","html_url":"https://github.com/leouieda","followers_url":"https://api.github.com/users/leouieda/followers","following_url":"https://api.github.com/users/leouieda/following{/other_user}","gists_url":"https://api.github.com/users/leouieda/gists{/gist_id}","starred_url":"https://api.github.com/users/leouieda/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/leouieda/subscriptions","organizations_url":"https://api.github.com/users/leouieda/orgs","repos_url":"https://api.github.com/users/leouieda/repos","events_url":"https://api.github.com/users/leouieda/events{/privacy}","received_events_url":"https://api.github.com/users/leouieda/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-08T03:01:17Z","updated_at":"2015-08-08T03:01:17Z","closed_at":null,"body":"Fatiando has modeling routines for right rectangular prisms calculated using the space domain formula of Nagy (2000) (`fatiando.gravmag.prism`). It would be great the have the frequency (wavenumber) domain implementation of Bhattacharyya and Navolio (1976). This might be faster or more efficient or can be used for FFT based inversions.\r\n\r\n**Reference**\r\n\r\n[Bhattacharyya, B. K., and M. E. Navolio (1976), A Fast Fourier Transform Method for Rapid Computation of Gravity and Magnetic Anomalies Due to Arbitrary Bodies*, Geophysical Prospecting, 24(4), 633–649, doi:10.1111/j.1365-2478.1976.tb01562.x.](http://dx.doi.org/10.1111%2Fj.1365-2478.1976.tb01562.x)\r\n\r\n"}}