Re: [Ifeffit] Basic questions about the preliminary data processing in Athena

2018-07-27 Thread Robert Gordon
HI Haifeng, Suppose you measure Fe foil three times, and all three scans overlap. They are aligned. But suppose the edge positions are at 7116 eV instead of 7112 eV. The calibration is off. You can adjust to it, but, as Carlo mentioned, it is really an angle correction, not simply a shift in

Re: [Ifeffit] Basic questions about the preliminary data processing in Athena

2018-07-27 Thread Bruce Ravel
On 07/27/2018 01:32 PM, Haifeng Li wrote: What is the real difference between calibration and alignment? Do they have specific meaning? In Athena, calibration means to determine a value for e0 shift such that a particular point in the data is specified to be a particular energy. Then the

Re: [Ifeffit] Basic questions about the preliminary data processing in Athena

2018-07-27 Thread Haifeng Li
Hi, Robert, Thanks for your help. One more question. What is the real difference between calibration and alignment? Do they have specific meaning? Thanks, Haifeng On Sun, Jul 22, 2018 at 5:45 PM, Robert Gordon wrote: > Hi Haifeng, > > Here's my take on what you described: > > Two sample to

[Ifeffit] Demeter Installation Mac server error

2018-07-27 Thread Laurane LĂ©ost
Dear all, I would like to install Demeter on Mac device. I followed all the instructions with "Installing Demeter on the Mac" in the website. But in the terminal window, when i write : "sudo port install xorg-server demeter", this message appears : "Error: Port xorg-server not found". Did