Michael and list, On Wed, Sep 13, 2023 at 10:00 AM Michael Edward McNeil via QGIS-User < [email protected]> wrote:
> I'm an almost total novice with regard to GIS in general and QGIS in > particular. Nonetheless I've been attempting to put together a test map > (using data I will make use of, in part) utilizing the contour lines for > the island of Great Britain – obtaining data in that regard from the space > shuttle's worldwide Shuttle Radar Topography Mission (SRTM). > > I obtained the data and loaded it into QGIS, no problem. After extracting > the contours, the lines shown in QGIS are nice and sharp, and vectorize > properly when zooming in and out. I'm using 100 meters between lines > (rather than the default 10 m) which means that in some regions of the > planet, they're not all that dense; nonetheless if you're looking at a > larger scale view of, say, Wales or Scotland, the contour lines show up at > that scale as generally pretty dense. The solution, of course, using vector > graphics is to zoom in, then you can see the full detail. > > Anyway, things are fine while still within QGIS (except for the secondary > issue noted below). However, I wanted to output the vectorized contour > lines into a file I could input into (e.g.) CorelDRAW to add other layers > and do the graphical finishing touches on the desired map. I tried svg > format – got the message about svg handling in QGIS being buggy – and > indeed the svg output didn't seem to work. > Is there any reason you can't do your cartography within QGIS? Or at least, make a "simplified" draft map, save as an image or PDF, and then do whatever "graphical finishing" required in your desktop publishing application? I think this would be a more "normal" approach, rather than exporting a layer by itself, if for no other reason than your geospatial information will be properly aligned by QGIS in the final product. -- Chris Hermansen · clhermansen "at" gmail "dot" com C'est ma façon de parler.
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