Index: trunk/doc/modules/CameraImages.tex
===================================================================
--- trunk/doc/modules/CameraImages.tex	(revision 4720)
+++ trunk/doc/modules/CameraImages.tex	(revision 4757)
@@ -108,9 +108,10 @@
 
 A readout is the result of a single read of a cell (or a portion
-thereof).  It contains the offset from the lower-left corner of
-the chip, in the case that the CCD was windowed, as well as the
-binning factors and parity (if the binning value is negative, then
-the parity is reversed).  It also contains the pixel data, metadata
-containers for the concepts and analysis, and a link to the parent.
+thereof).  It contains the offset from the lower-left corner of the
+chip, in the case that the CCD was windowed, as well as the binning
+factors and parity (if the binning value is negative, then the parity
+is reversed).  It also contains the pixel data (with corresponding
+mask), metadata containers for the concepts and analysis, and a link
+to the parent.
 
 \begin{verbatim}
@@ -123,4 +124,5 @@
     // Information
     psImage *image;                    // Imaging area of readout
+    psImage *mask;                     // Mask for image
     psList *bias;                      // List of bias section (sub-)images
     psMetadata *analysis;              // Readout-level analysis metadata
@@ -398,11 +400,4 @@
 have \code{valid} set to \code{true}.
 
-\begin{datatype}
-typedef enum {
-    PM_FPA_MORPH_LEFTRIGHT,
-    PM_FPA_MORPH_IMAGEBIAS
-} pmFPAMorphOption;
-\end{datatype}
-
 \begin{prototype}
 bool pmFPAMorph(pmFPA *toFPA, pmFPA *fromFPA, bool positionDependent, int chipNum, int cellNum);
@@ -439,4 +434,12 @@
 information with which to write the FITS images.
 
+\begin{prototype}
+pmFPAWriteMask(psFits *fits, pmFPA *fpa);
+\end{prototype}
+
+\code{pmFPAWriteMask} is very similar to \code{pmFPAWrite}, but it
+shall write the \code{mask} elements of the \code{pmReadout}s
+comprinsing the \code{fpa}.
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%