Mercurial > dive4elements > river

annotate flys-artifacts/doc/datacage-config-manual/content.tex @ 5569:2a058dff9666

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
merge
author Tom Gottfried <tom@intevation.de>
date Fri, 05 Apr 2013 09:56:02 +0200
parents 1a79d47ed14b
children
rev   line source
3244
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
1 \section{Configuration of the Datacage}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
2
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
3 \subsection{Tasks and Recommendation types of the datacage}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
4
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
5 The datacage serves two purposes.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
6 It handles automatic 'recommendations', which are instructions
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
7 sent by the client to add newly created artifacts to the collection.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
8 From a user perspective, these artifacts mainly represent curves or data
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
9 points in the resulting diagrams.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
10 The second task is to let the user add already existing artifacts (i.e.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
11 previous calculations) or new artifacts with access to related data.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
12
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
13 Irrelevant of the type of elements (recommendations or user picked data) the
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
14 datacage can iterate over possible artifacts by accessing its own database.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
15 Thus, to create a list of matching entries, database queries are used.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
16
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
17 \subsection{Structure of the datacage configuration file meta-data.conf}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
18
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
19 The datacages behaviour is defined in the file conf/meta-data.xml .
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
20
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
21 In meta-data.xml, database queries are defined as \verb!<dc:statement>! elements,
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
22 for example
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
23 \begin{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
24 <dc:statement>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
25 SELECT id AS prot_id,
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
26 description AS prot_description
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
27 FROM wsts WHERE kind = 1 AND river_id = ${river_id}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
28 </dc:statement>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
29 \end{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
30
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
31 As can be seen from the example, the datacage configuration file can maintain
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
32 its own stack of variables (\${river\_id} in above example).
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
33
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
34 The database query will usually deliver one or many results, over which is
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
35 iterated using the \verb!<dc:elements>! elements.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
36
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
37 Information from this results can be used for two goals.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
38 It can be taken as output, in which
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
39 case the client will either request the creation of these artifacts (considering
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
40 recommendations), or shown by the client in a the 'datacage widget',
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
41 the graphical representation of data which can be added in the current
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
42 context. The later is seen when the user clicks on the Datacage button in
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
43 a diagram.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
44 Or information can be used to feed a second (or third...) database query.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
45 Following above example:
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
46
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
47 \begin{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
48 <dc:statement>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
49 SELECT id AS prot_id,
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
50 description AS prot_description
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
51 FROM wsts WHERE kind = 1 AND river_id = ${river_id}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
52 </dc:statement>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
53 <dc:elements>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
54 <additional>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
55 <dc:attribute name="name" value="${prot_description}"/>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
56 <dc:context>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
57 <dc:statement>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
58 SELECT id AS prot_column_id,
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
59 name AS prot_column_name,
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
60 position AS prot_rel_pos
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
61 FROM wst_columns WHERE wst_id = ${prot_id}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
62 ORDER by position
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
63 </dc:statement>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
64 <!-- ... -->
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
65 \end{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
66
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
67 In both cases, an \verb!<dc:elements>! element makes database queries available.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
68 Also
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
69 note how the variables are defined in the first query and reused in the second
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
70 query (\$\{prot\_it\}).
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
71
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
72 Any alement not prefixed with "dc" represents a (sub-) node in the resulting
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
73 tree. The client will display these nodes and maybe subnodes in the datacage
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
74 widget - \verb!<additional>! in above example. The elements name is translated by
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
75 the client.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
76
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
77 While iterating the final results, \verb!<dc:attributes>! have to be specified
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
78 to define how the artifact is to be created.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
79
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
80 \begin{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
81 <dc:elements>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
82 <column>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
83 <dc:attribute name="name" value="${prot_column_name}"/>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
84 <dc:attribute name="ids" value="additionals-wstv-${prot_rel_pos}-${prot_id}"/>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
85 <dc:attribute name="factory" value="staticwkms"/>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
86 </column>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
87 </dc:elements>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
88 \end{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
89
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
90 The "name" attribute is what is to be displayed in the client, the "ids" are given
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
91 to the server and pass important information about the chosen data.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
92 The "factory" is chosen according to the type of data displayed.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
93
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
94 So far, three other elements have not yet been mentioned: \verb!<dc:comment>!,
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
95 \verb!<dc:if>! and the \verb!<dc:when><dc:otherwise>! structure.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
96 \verb!<dc:comment>! is an element to allow comments. Choose these over standard
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
97 \verb=<!-- -->= xml comments, because they are not transferred to the client.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
98 \verb!<dc:if>! and \verb!<dc:when>! allow control (rather: definition) flow within
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
99 the configuration and work in analogy to the XSL-elements \verb!<xsl:if>!
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
100 and \verb!<xsl:when>!.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
101
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
102 When dealing with the behaviour specification of the datacage, multiple
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
103 interpretations for the term "context" are possible.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
104 A \verb!<dc:context>! element essentially means a database binding. Thus each
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
105 query (\verb!<dc:statement>!) needs to be nested in its own context.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
106 Furthermore, two types of databases with own bindings exist:
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
107 The "system" (default for \verb!<dc:context>!, \verb!<dc:context connection="system">!)
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
108 context allows queries related to the backend database with existing
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
109 data (e.g. measurements).
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
110 The "user" context (\verb!<dc:context connection="user">!) allows queries against
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
111 the database which stores information about already existing artifacts and
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
112 calculations.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
113
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
114 Another connotation for the term "context" is the situation from which
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
115 the datacage is queried. The standard case is a from the datacage widget.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
116 When the user opens the datacage from the graphical client, this is done
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
117 from one of possible multiple diagrams.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
118 When the datacage is queried, it gets as an argument the "out" of
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
119 the current artifact. The out corresponds to the diagram type.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
120
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
121 For example the inner block of
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
122
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
123 \begin{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
124 <dc:if test="dc:contains($artifact-outs, 'longitudinal_section')">
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
125 <longitudinal_section>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
126 <dc:call-macro name="annotations"/>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
127 </longitudinal_section>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
128 </dc:if>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
129 \end{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
130
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
131 will only be executed if called from the datacage within a
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
132 longitudinal\_section diagram.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
133
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
134 In the given example another concept of the datacage configuration is
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
135 encountered: Macros.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
136
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
137 Macros help to avoid duplication of parts of the document. As the datacage
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
138 of some diagrams should include the same type of data, the same query should
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
139 be executed in multiple situations.
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
140
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
141 Therefore a macro can be defined, like in
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
142
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
143 \begin{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
144 <dc:macro name="basedata_4_heightmarks-wq">
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
145 <heightmarks>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
146 <dc:context>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
147 <dc:statement>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
148 SELECT id AS prot_id,
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
149 description AS prot_description
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
150 FROM wsts WHERE kind = 4 AND river_id = ${river_id}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
151 </dc:statement>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
152 <dc:elements>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
153 <!-- ... -->
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
154 </dc:macro>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
155 \end{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
156
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
157 and invoked from another location within the document, e.g. with
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
158
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
159 \begin{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
160
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
161 <dc:call-macro name="basedata_4_heightmarks"/>
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
162 \end{lstlisting}
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
163 .
1a79d47ed14b Copied content from doc/datacage.txt to doc/datacage-config-manual (texed).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
164
http://dive4elements.wald.intevation.org