expkg-zone58:image.graphviz library module

Summary

Wrapper for using Graphviz. It requires the Graphviz executables are available on path or in folder located by $GVPATH

Tags

Version: 0.3.0

Author: Andy Bunce

Variables

Functions

ex-graphviz:autosize

Summary

Tweak svg to autosize to 100%, assumes svg is from graphviz and viewBox is set.

Signature

ex-graphviz:autosize( svg as element(svg:svg) ) as element(svg:svg)

Parameters

svg as element(svg:svg)

Return

element(svg:svg)

ex-graphviz:clean

Summary

cleanup dot svg result

Signature

ex-graphviz:clean( doc as document-node() ) as element(svg:svg)

Parameters

doc as document-node()

Return

element(svg:svg)

ex-graphviz:dot-executeb

Summary

run dot command returning binary

Signature

ex-graphviz:dot-executeb( dot as xs:string, params as xs:string* ) as xs:base64Binary

Parameters

dot as xs:string dot string
params as xs:string* additional arguments supplied to executable

Return

xs:base64Binary

Error

ex-graphviz:exec error running executable

ex-graphviz:rdf

Summary

Generate metadata RDF for operation suitable for inclusion in SVG

Signature

ex-graphviz:rdf( title as xs:string, ver as xs:string ) as element(svg:metadata)

Parameters

title as xs:string
ver as xs:string

Return

element(svg:metadata)

ex-graphviz:to-svg

Summary

Layout graph in the DOT language and return as SVG

Signature

ex-graphviz:to-svg( dot as xs:string ) as document-node()

ex-graphviz:to-svg( dot as xs:string, params as xs:string* ) as document-node()

Parameters

dot as xs:string

Return

document-node(): svg document

Namespaces

The following namespaces are defined:

Prefix	Uri
ann	http://www.w3.org/2012/xquery
ex-graphviz	expkg-zone58:image.graphviz
file	http://expath.org/ns/file
proc	http://basex.org/modules/proc
svg	http://www.w3.org/2000/svg
xlink	http://www.w3.org/1999/xlink

Original Source Code

Not available