On 3/11/2013 8:20 PM, Marco Patzer wrote:
Hi,

I have two questions concerning MP graphics.

What's going on here? The “abcdefghi” text is not displayed in the second
graphic and the “A” is stretched to match the size of the first graphic. Can
someone explain why this happens and if this is expected?

\startreusableMPgraphic{foo}
   draw textext("abcdefghi");
   picture p; p := currentpicture;
\stopreusableMPgraphic

\startreusableMPgraphic{bar}
   addto currentpicture also p; %% not printed
   draw textext("A");           %% distorted
\stopreusableMPgraphic

\starttext
   \reuseMPgraphic{foo}
   \reuseMPgraphic{bar}
\stoptext


Does \includeMPgraphic only work with useMPgraphics (in contrast to
reusableMPgraphic)?

%% works with useMPgraphics, though
\startreusableMPgraphic{alpha}
   draw textext("abcdefghi");
\stopreusableMPgraphic

\startreusableMPgraphic{beta}
   \includeMPgraphic{alpha}
   draw textext("A"); %% not printed
\stopreusableMPgraphic

\starttext
   \reuseMPgraphic{alpha}
   \reuseMPgraphic{beta}
\stoptext

For each graphic context will remember the text picture. so, in your case, the stored p in the first graphic has a reference to a text picture (index 1) but it's the one created in the second graphic (also index 1). There are no persistent text pictures (yet).

Hans


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