My understanding is the viewBox attribute defines a mapping between user space co-ordinates and the co-ordinates of the svg viewport, and in your case you are effectively scaling the image down by a factor of 10 ( 200 user units=20cm and 100 user units = 10 cm).
Depending on how complex your object is you might try to use translate and scale tranforms.
<svg width="20cm" height="10cm" viewBox="0 0 20 10" style="fill:red;stroke:blue">
<g transform="translate(0,10) scale(1,-1)">
<line x1="0" y1="0" x2="20" y2="10" style="stroke: blue; stroke-width: 1" />
</g>
</svg>
Patrick
James Shaw wrote:
I have been looking for a way to reflect an object about its y axis; I understand that I need a transform matrix to do this, and that you cannot translate by cms, ins or other units. The ppl on #svg recommended using a viewbox.
I've checked on #svg, and I understand that a document like this:
<svg width="20cm" height="10cm" viewBox="0 0 200 100">
<line x1="0" y1="0" x2="20" y2="10" style="stroke: blue; stroke-width: 1"/>
</svg>
should produce a drawing 20x10cms. However, when I preview this in squiggle or a JSVGScrollPane, the drawing is about 80x40 pixels. I would have expected batik to use the screen dpi (or similar measurement) to correct render the document at 100% zoom.
Am I using viewBox incorrectly, or am I using Batik wrongly?
Thanks in advance James Shaw
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