On Sun, 2014-09-21 at 10:57 -0700, Fabien Sanglard wrote:
> Hello,
>
>
> I am trying to open in Inkspace (Mac OS X v0.48) a SVG file
> (wolfd_4.svg) that is a pixel perfect version of a PNG (wolf3d_4.png).
> Chrome and Safari are able to render the image well
> (chrome_rendition.png and safari_rendition.png).

Have you zoomed in? I see white space in Chrome when the zoom isn't
100%.

> However when loaded in Inkspace (inkspace_rendition.png), I can see
> gaps between the squares that are supposed to be pixels.

It's an aliasing issue.

> Is there any way to fix this ?

Set your zoom to multiples of 100% (e.g. 200%, 300%, ...).

You could also set a very thin stroke the same color as the fill around
each pixel.

Tav