10.0 or 100.0) - at least in some DXF files I found on my disk from earlier bug reports. for A4), or unitless (after applying the conversion from mm to Inkscape user units (px, based on 90dpi))? They seem to be used for absolute positioning anyway if the scale factor isn't 1.0 (but e.g. Uneducated guess: maybe the DXF entities '$EXTMIN' and '$EXTMAX' could be used to set the document size (width/height attributes of the top-level element) if automatic scaling is off, either directly in mm (as do the default Inkscape templates e.g. > definition of document size and used 100% only > So I was not able to come up with a meaningful As far as I understand, a viewBox attribute would be needed defining the size of '100%' in user units or an outer (HTML) element (like a ) defining its size when the SVG is embedded in webpage, but this might need further investigation.
This causes the SVG file to be not rendered at all (or with none of the objects visible) in other SVG renderers like Squiggle (Batik 1.7) or browsers like Firefox and Safari. What's odd is that the SVG file resulting from the DXF import does not define 'height' and 'width' of the element in units but just says '100%'. Now compare the dimensions and the node coordinates in the SVG file (which is displaying 'mm' in the rulers and the x/y, W/H fields in the select tool and node tool controls bar) to the coordinate origin and object position in QCad.Īttaching sample file (DXF imported with scale factor 1.0) and changed default units to 'mm' and new grid using 'mm': when opened in Inkscape the dimensions and grid correspond to how the file is displayed/scaled by default in QCad (using 'mm' as document units, too). open it by double-clicking the file in the Explorer). Try it with the example files from bug #656899 (after resaving them in QCad):ġ) open DXF file (automatic scaling off, scale factor 1)Ģ) change default units in 'Document Properties' to 'mm'ģ) add a grid with 'mm' as units, x- and y-spacing 1.0, save as Inkscape SVG.Ĥ) if you don't use a current development snapshot: reopen it making sure that it doesn't re-use an Inkscape window with an empty document (e.g. > then this factor 90/25.4 will be applied to the coordinates.īut still the rulers in 'mm' would be correct - they do not affect the size of the SVG paths (they use the same factor representing the 'px' units in 'mm', based on Inkscape's internal 90dpi).
If you specify no automatic scaling, and use manual scale factor of 1,
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