Example photo page layout

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The following creates a 10x10in page with four pictures on it in a nice grid. You can change the size of the page and the image sizes will adjust as well. The images can be scaled, cropped, and moved behind the display frame. There is probably easier ways to do this, but I needed a way that would work with our web service. This captured all the parts we needed in a generic way.

% output=pdftex
\definepapersize[imb][width=10in,height=10in]
\setuppapersize[imb][imb]
\setuppagenumbering[alternative=doublesided, location=]
\setuplayout
  [backspace=1.25in,
  cutspace=1.0in,
  width=fit,
  topspace=.25in,
  bottomspace=.25in,
  header=1.0in,
  footer=1.0in,
  height=fit]

\newdimen\spacebetween \spacebetween = 0.5in
\newdimen\imagewidth   \imagewidth   = 6in
\newdimen\imageheight  \imageheight  = 4.5in

%my cow.jpg image was 6in x 4.5in @300dpi
\useexternalfigure[imagea][cow.jpg][width=\imagewidth,height=\imageheight,frame=off]
\useexternalfigure[imageb][cow.jpg][width=\imagewidth,height=\imageheight,frame=off]
\useexternalfigure[imagec][cow.jpg][width=\imagewidth,height=\imageheight,frame=off]
\useexternalfigure[imaged][cow.jpg][width=\imagewidth,height=\imageheight,frame=off]

\starttext

% slot a
\newdimen\slotawidth   \slotawidth  = \dimexpr((\paperwidth-\innerspacewidth-\outerspacewidth-\spacebetween)/2)
\newdimen\slotaheight  \slotaheight = \dimexpr((\paperheight-\headerheight-\footerheight-\spacebetween)/2)
\newdimen\slotatop     \slotatop    = \dimexpr(\headerheight)
\newdimen\slotaleft    \slotaleft   = \dimexpr(\innerspacewidth)
\newdimen\clipatop     \clipatop    = \dimexpr(.416666666666\imageheight)-(.5\slotaheight)
\newdimen\clipaleft    \clipaleft   = \dimexpr(.302083333333\imagewidth)-(.5\slotawidth)

% slot b
\newdimen\slotbwidth   \slotbwidth  = \dimexpr((\paperwidth-\innerspacewidth-\outerspacewidth-\spacebetween)/2)
\newdimen\slotbheight  \slotbheight = \dimexpr((\paperheight-\headerheight-\footerheight-\spacebetween)/2)
\newdimen\slotbtop     \slotbtop    = \dimexpr(\headerheight)
\newdimen\slotbleft    \slotbleft   = \dimexpr(\innerspacewidth+\slotawidth+\spacebetween)
\newdimen\clipbtop     \clipbtop    = \dimexpr(1.1\imageheight)-(.5\slotaheight)
\newdimen\clipbleft    \clipbleft   = \dimexpr(1.05\imagewidth)-(.5\slotawidth)

% slot c
\newdimen\slotcwidth   \slotcwidth 	= \dimexpr((\paperwidth-\innerspacewidth-\outerspacewidth-\spacebetween)/2)
\newdimen\slotcheight  \slotcheight = \dimexpr((\paperheight-\headerheight-\footerheight-\spacebetween)/2)
\newdimen\slotctop     \slotctop    = \dimexpr(\headerheight+\slotaheight+\spacebetween)
\newdimen\slotcleft    \slotcleft   = \dimexpr(\innerspacewidth)
\newdimen\clipctop     \clipctop    = \dimexpr(.58\imageheight)-(.5\slotaheight)
\newdimen\clipcleft    \clipcleft   = \dimexpr(.52\imagewidth)-(.5\slotawidth)

% slot d
\newdimen\slotdwidth   \slotdwidth  = \dimexpr((\paperwidth-\innerspacewidth-\outerspacewidth-\spacebetween)/2)
\newdimen\slotdheight  \slotdheight = \dimexpr((\paperheight-\headerheight-\footerheight-\spacebetween)/2)
\newdimen\slotdtop     \slotdtop    = \dimexpr(\headerheight+\slotbheight+\spacebetween)
\newdimen\slotdleft    \slotdleft   = \dimexpr(\innerspacewidth+\slotcwidth+\spacebetween)
\newdimen\clipdtop     \clipdtop    = \dimexpr(.583333333333\imageheight)-(.5\slotdheight)
\newdimen\clipdleft    \clipdleft   = \dimexpr(.697916666666\imagewidth)-(.5\slotdwidth)

\strut
\definelayer
	[page]
	[width=\paperwidth,
	 height=\paperheight]
\setupbackgrounds
	[page]
	[background=page]

\setlayer
	[page]
	[voffset=\slotatop,
	 hoffset=\slotaleft,
	 preset=lefttop,
	 width=\paperwidth,
	 height=\paperheight]
	{\clip[voffset=\clipatop,
           hoffset=\clipaleft,
           width=\slotawidth,
           height=\slotaheight]
           {\scale[sx=1,sy=1]{\rotate[rotation=90]{\externalfigure[imagea]}}}}

\setlayer
	[page]
	[voffset=\slotbtop,
	 hoffset=\slotbleft,
	 preset=lefttop,
	 width=\paperwidth,
	 height=\paperheight]
	{\clip[voffset=\clipbtop,
           hoffset=\clipbleft,
           width=\slotbwidth,
           height=\slotbheight]
           {\scale[sx=2,sy=2]{\rotate[rotation=0]{\externalfigure[imageb]}}}}

\setlayer
	[page]
	[voffset=\slotctop,
	 hoffset=\slotcleft,
	 preset=lefttop,
	 width=\paperwidth,
	 height=\paperheight]
	{\clip[voffset=\clipctop,
           hoffset=\clipcleft,
           width=\slotcwidth,
           height=\slotcheight]
           {\scale[sx=1,sy=1]{\rotate[rotation=0]{\externalfigure[imagec]}}}}

\setlayer
	[page]
	[voffset=\slotdtop,
	 hoffset=\slotdleft,
	 preset=lefttop,
	 width=\paperwidth,
	 height=\paperheight]
	{\clip[voffset=\clipdtop,
           hoffset=\clipdleft,
           width=\slotdwidth,
           height=\slotdheight]
           {\scale[sx=1,sy=1]{\rotate[rotation=35]{\externalfigure[imaged]}}}}

\page
\externalfigure[imaged]

\stoptext