function [ids_struct_out,ids_struct_out_description] = tcv_ids_ip(shot, ids_structures, gdat_params, varargin)
%
%    [ids_struct_out,ids_struct_out_description] = tcv_ids_ip(shot, ids_structures, gdat_params, varargin);
%
% Get magnetics.method{1}.ip
%
% error_bar: from gdat_params.error_bar
%            'relative' (default): value to be added
%            'added': value already added to data: data +- error_bar
%

error_bar = 'relative';
if exist('gdat_params') && isfield(gdat_params,'error_bar') && ~isempty(gdat_params.error_bar)
  error_bar = gdat_params.error_bar;
end

% Get data 
tmp = gdat_tcv( shot, 'ip_trapeze');
time = tmp.dim{1};
data = tmp.data;

% Preallocate dimension
ids_struct_out = ids_structures;

% Put data into ids structure
ids_struct_out{1}.ip.data = data;
ids_struct_out_description{1}.ip = ['from ' tmp.data_fullpath];
ids_struct_out{1}.ip.time = time;