gistfile1.txt

$this->EE->load->driver('channel_data');

$entries = $this->EE->channel_data->get_channel_entries($channel_id);

foreach($entries->row() as $row)
{
	$member = $this->EE->channel_data->get_member_entries($row->author_id);
	
	$data_map = array(		
		'landscapes_1' => array(
			'your_member_field_1' => 'some value 1',
			'your_member_field_2' => 'some value 2',
			'your_member_field_3' => 'some value 3',
			'your_member_field_4' => 'some value 4'
		),
		'landscapes_2' => array(
			'your_member_field_1' => 'some value 1',
			'your_member_field_2' => 'some value 2',
			'your_member_field_3' => 'some value 3',
			'your_member_field_4' => 'some value 4'
		)
	);
	
	$post_data = array();
	
	foreach($fields as $field => $data)
	{
		$field_data = array();

		foreach($data as $index => $value)
		{
			if($member->row($index) == 'Yes')
			{			
				$field_data[] = $value;
			}
		}
		
		$field = $this->EE->channel_data->get_field_by_name($field);
		
		if($field->num_rows() > 0)
		{
			$post_data['field_id_'.$field->field_id] = implode('|', $field_data);
		}
	}
	
	$this->EE->db->where('entry_id' => $row->entry_id);
	$this->EE->db->update('channel_data', $post_data);
}