Difference between revisions of "Collectors"
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\definecollector[example] | \definecollector[example] | ||
\setcollector [example] {\externalfigure[cow][width=4cm,frame=on]} | \setcollector [example] {\externalfigure[cow][width=4cm,frame=on]} | ||
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+ | \setupexternalfigures[location={local,default}] | ||
\definecollector[example2] | \definecollector[example2] | ||
\setcollector [example2] {\externalfigure[cow][width=4cm,frame=on]} | \setcollector [example2] {\externalfigure[cow][width=4cm,frame=on]} | ||
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Notice that the size of the collected object grows as text is added. | Notice that the size of the collected object grows as text is added. | ||
As a consequence, the positions of the corners get redefined as the bounding box grows. | As a consequence, the positions of the corners get redefined as the bounding box grows. | ||
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+ | {{todo|We need more documentation and examples for this complicated subject.}} | ||
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+ | [[Category:Graphics]] [[Category:Layers]] |
Revision as of 11:49, 18 January 2009
< Layout | Columns | Overlays | Logos | Layers >
Collectors are an alternative to overlays that can be used to build-up composite objects. Layers, on the other hand, are used to define whole pages. See the details manual for further explanations.
Example
Adding labels to a figure.
\starttext \definecollector[example] \setcollector [example] {\externalfigure[cow][width=4cm,frame=on]} \setcollector [example] [corner={right,bottom},location={left,top}] {\framed{1}} \setcollector [example] [corner={right,top},location={left,bottom}] {\framed{2}} \setcollector [example] [corner={left,top},location={right,bottom}] {\framed{3}} \setcollector [example] [corner={left,bottom},location={right,top}] {\framed{4}} \composedcollector{example} \stoptext |
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There is no confusion if the added text is placed within the first object. However,
\starttext \definecollector[example2] \setcollector [example2] {\externalfigure[cow][width=4cm,frame=on]} \setcollector [example2] [corner={right,bottom},location={right,bottom}] {\framed{1}} \setcollector [example2] [corner={right,top},location={right,top}] {\framed{2}} \setcollector [example2] [corner={left,top},location={left,top}] {\framed{3}} \setcollector [example2] [corner={left,bottom},location={left,bottom}] {\framed{4}} \composedcollector{example2} \stoptext |
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Notice that the size of the collected object grows as text is added. As a consequence, the positions of the corners get redefined as the bounding box grows.
TODO: We need more documentation and examples for this complicated subject. (See: To-Do List) |