Using PDF as image format

Hi, Frame users
What is your opinion on using Graphics with PDF-format when authoring DITA content, as I'm not sure that PDFs are supported as Graphics-format in DITA?
Reason for this is that I'm trying to switch from using grapics with WMF-format (exported from cad) to SVG-format, but I have experienced some problems when importing Graphics with SVG-format to FrameMaker.
Sómetimes it works, but not always, for example "the filter encountered a problem and could not complete the translation".
I have also tried checking if the files are valid with the W3C online validator.
Best regards
Ronny

Hi Ronny...
DITA doesn't care about the format, it's just a referenced file. How well this works will depend on your publishing stream. The best thing to do it to try it and see what happens. If you only produce PDFs through FM, then it's likely to be fine. If you produce HTML-based output through RoboHelp (or through the FM Publish command), it'll probably work fine there as well. If you use the OT, it may not work .. the OT doesn't do any image conversions and will just pass the file through to the output format as it is.
SVG can work if you've got "clean" files. The SVG format is very flexible and can render the "same" image in many different ways. FM's SVG rendering seems to only be set up to understand a subset of what the format can really handle. If you get SVGs from different tools they will likely be created by different means. Open them up in a text editor and take a look. If you find a tool that produces SVG that FM likes, you can probably continue to use that tool and it'll work in FM. (maybe)
SVG can have similar problems as PDF though, it may or may not be properly supported by your publishing stream. Most modern browsers will support SVG, but older browsers may not. The best thing to do is to give it a try, and test it in all of the deliverable formats that you're likely to use.
Cheers,
…scott

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