i'm new to vector graphics and inkscape, working on a project to help my kids think about geography.
i downloaded a generic blank world map with country outlines in .svg from wikipedia. i want to create overlays for each country we study that have layers for topography, satellite image, population density, etc. inkscape opens the .svg fine, and using "document properties" i see it has about the size i intended to work with -- each continent fits roughly on 8.5"x11".
then i used ctrl-v to paste a topographic map for a certain country that i copied from a png into a new layer. it appears at full resolution fine. i used low opacity to scale it down and move it to sit in the correct location. however, scaling down the raster loses a ton of detail/quality. if i understand svg correctly, i should be able to scale down raster images without losing quality -- i should always be able to zoom down to the original pixels, no matter how small they get. i need the original quality preserved, and hope to only lose quality when finally rendering on a particular printer/screen/etc.
is there any way to do this?
i'm on osx 10.13.6 and installed inkscape 0.92.2 2405546 using macports (x11, not xquartz).