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I'd recommend your taking a serious look at Deneba Canvas (Google for Canvas software). It's a vector drawing progam much like Illustrator, but offers a dedicated GIS module.
By comparision, a search for GIS in Illustrator's Help returns nothing.
What is most important is the quality of the printed output so I'm assuming dpi is going to be important.
For distributing your print-ready maps, PDF would be preferable to any raster image format. That obviates the whole issue of pixel-based resolution, assuming, of course, the PDF contains vector artwork. Most any drawing program can save as PDF.
Understand: PDF is a "meta" format. It can contain any combination of text, raster images, and vector graphics. Don't think of it in the sense of a single file format like JPEG, etc., etc. Think of it as a "box"--a container that can deliver whatever kind of content is put into it. A PDF that contains nothing but raster images (JPEGs, etc.) is no better than the bare raster image itself. But if the PDFs contain maps drawn as vector artwork, the maps can be printed/zoomed to any size without their becomming jagged and pixelated. Done right, they will also be smaller in terms of on-disk file size; important for web downloading.
It's interesting you mentioned Canvas and to see it taking in GIS. I'm an old (v5) Canvas user but stopped using it some time ago (pricy) I know that may sound strange given having CS2, but....
We actually are moving toward a GIS reader and viewer. ESRI is the world leader and, as a non-profit, we should easily qualify for a granted copy of ArcView. In the mean time, I'm experimenting with their free ArcReader.
The other thing interesting in your note is the comment on PDFs. Since IL can take in pdfs and can add vector markup when we need it, that would work. As I mentioned, getting to a pdf file eventually for downloads will be required (for both space and application requirements).
I have Acrobat and probably could benefit from a little study of its capabilities. I've never really done more with it than create my own pdfs from Office and CS2 apps.
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(pricy) I know that may sound strange given having CS2,
Yep. Sure does. Plus:
So in comparing prices, be sure to include the costs of the third-party plug-in route, such as MAPublisher (and the associated headaches of mission-critical dependence upon third-party add-ons in general).
Since IL can take in pdfs and can add vector markup
Working with PDFs is pretty much universal these days, for practical purposes.
Understand this about PDFs and Illustrator: Illustrator's Save As...PDF dialog provides an option for "Preserve Illustrator Editing Capabilities." Selecting that option actually embeds in the resulting file a full duplication of the file as native Illustrator objects. That results in very bloated PDF file sizes--because they contain two full copies of the file.
That's not what you want to do for PDFs that will be distributed/downloaded. So you're going to want to keep your AI-native files separate anyway. Opening a PDF that was saved without that option turned on in Illustrator is pretty much the same thing as opening it other mainstream drawing progams. So the "seamlessness" of PDF/Illustrator is really much about marketing.
But no matter. Your mind is already made up to use AI for this. If it were me, I'd be exploring all options.
No, my mind isn't made up to use AI. Just happen to have it and, from what I've learned here, it's output to print is good.
[BTW, I have CS2 and Macromedia Studio 8 because of a charity auction. Some years back my wife needed a laptop and there was one with S8 and CS2 bundled. I don't use all the apps; DW for my hobby sites, a little FW for web images, and I've been teaching myself AI because I was relying on PPT too much for print output. As I mentioned before I use Acrobat only for producing pdfs from mostly Office apps. I have no problem moving to a different app than AI eventually.]
You seem to be steering me toward a graphic app that can take in gis (like Canvas).
I think, though, I'm going to jump over to the Acrobat forum because I'm realizing from your comments on pdfs that there's much more to them than I realize. Apparantly I can add "markup" to pdfs as long as I remember to integrate the added stuff into a final pdf for download.
I hope you'll follow me to the Acrobat forum and thanks for taking the time to help get me pointed in the right direction. Your comment in your first post about not thinking of pdfs as a file format but more as a "box" helped.