Hi Peter, We'd need to see the PDF or SVG file, to be able to give specific instructions. Generally, you would use the status bar to find out which objects are raster and which are vector. When you select something with the Selection tool, the status bar tells you what kind of object it is. If the status bar says "Image...." it's a raster object. If it says "Path....", it's vector. If it says "Group...." you need to look inside the group.
Then replace the rasterized objects. I wouldn't delete the rasterized drop shadow right away, because you can use it to get the right color for the new shadow.
There are a couple of ways to realize a drop shadow. The easiest way is Filters menu > Shadows and Glows > Drop Shadow. Although you might have to tweak the filter to get the color right. (I say "might" because I don't remember exactly how it works.) (If it's not obvious, and you want to use it, just ask us.)
Less easy would be to duplicate the object, move it below the original, move it slightly down and/or over (i.e. drop it), then retrieve the color from the old shadow and fill the duplicate object. Then add a simple blur to it.
If you'd like specific instructions, please share the SVG or PDF file.
All best, brynn
-----Original Message----- From: Peter Flynn Sent: Sunday, April 14, 2019 6:29 AM To: inkscape-user@lists.sourceforge.net Subject: [Inkscape-user] Repairing a pixellated drop-shadow gradient
I have inherited a vector PDF and an SVG file of a logo made from outlined letters with a gradated drop-shadow (see http://xml.silmaril.ie/downloads/letterlogo.png for enlarged PNG fragment).
When the logo is enlarged (eg for use on a poster), the drop-shadow shows up pixellated. Both files exhibit the identical problem. When edited, the drop-shadow is indeed made up of pixels. I assume in my ignorance that it was passed through some software at some stage in its past which concretized the drop-shadow as graded pixels.
How would I go about removing the drop-shadow entirely, and replacing it with one of identical color and extent, but done in such a way as to withstand enlargement without deterioration?
Peter
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