SAS EG: Becoming more divisive with images …
SAS Enterprise Guide allows you to change your output graphics device. The graphic device controls how your charts your look when used in web pages, PDFs, and RTFs. Here’s a quick tour of how each device displays the same chart. All of these are in SAS EG viewer and used the Statistical stylesheet.
Setting the Graphic Device in SAS Enterprise Guide
First, if you have never changed the output device, you can access it from the Options > Tools menu. Under Results, select Graph. In the Graph Format drop down – you have a variety of choices.
ActiveX is the default, which I find works 99% of the time and often looks the nicest. ActiveX Image is an alternate to ActiveX where it outputs the Active X as a image (much like JPG and BMP). Normal Active X (and Java) allows the user to right-click the image and then change it’s appearance.
Here is the same chart in Java output. There are two issues with this graphic:
- Lines have the jaggies, which I think makes the lines look nervous. The only possible workaround would be to increase the heaviness of the lines – then it may not be as noticeable.
- Legend box is to close to the text. Text should not look crowded and have room to move. Workaround is to change the line to white so it does not appear at all.
PNG is a the replacement to the GIF format. GIF was a standard graphic image format for the web for the longest time and still works. Unisys had a patent on the GIF format and wanted some cash … so an engineering tribe gathered and conjured up PNG format. [Sorry to be so technical and through on that topic … 😉 If you want to be a PNG expert, then check out this PNG Images article. ]
So the PNG image has some more issues. Overall it’s not bad:
- The line markers are teeny-tiny. You can control the size of the markers.
- Vertical axis changed and the image is extremely large.
- Vertical axis title font has changed.
- Legend has a better frame but those teeny tiny lines again.
JPEG is a long time Web output standard. JPEGs do not use as much space when output and work great with photographs. So I won’t list out my complaints with the image – I have pointed them out below.
SAS EMS Image
The SAS EMS appears to be a home grown format. It has some of the same issues as the other output devices – again overall not bad. I did not see any real difference in the PNG/JPG/SAS EMS images. I have not reviewed how large the output images were.
ActiveX looks like the clear winner for Web and MS Office applications. However, you’ll find that ActiveX does not always look nice if you output to PDF or other formats.
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Tags: SAS Enterprise Guide