What is the Best Plotter for GIS? One with these qualities.

Initially published in 2014 and updated in 2023

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When searching for the best plotter for GIS map printing, looking at all the factors surrounding your print needs is essential. Geographic Information Systems, or GIS, is a computer system that allows you to visualize extensive, quantitative data.

That is why GIS data is typically displayed on maps. But, because GIS information usually revolves around big data, printing those files can be much more demanding than a typical CAD file; there is much more information to process.

Some GIS files can easily exceed the 100MB file size. So, to find the best plotter for GIS printing, you need to know all the aspects of the source file and the expectations of the final product.  

Master the large file beast.

GIS managers and operators spend countless hours manipulating imagery and data layers to produce intelligent maps that enable fast and accurate decision-making.

But when it comes to printing maps, GIS managers and operators are often hampered by the inherent limitations of legacy or entry-level large-format color printers. 

For example, to speed up processing, they may scale back details in the image by removing layers of information so the printer can't handle the file size, detail, and depth.   

See the Canon plotters that are perfect for printing maps and aerials.

The size of your map files directly affects how fast your plotter can produce a map. One way to speed things up is to optimize your file size. This will directly impact processing time, which results in faster printing speeds.

Using 3^rd party programs like Map Shaper or Quantum GIS to decrease the file size has been a popular solution.

But, having a plotter with a hard drive can be just as effective and eliminate the need to use 3^rd party software. This is because the printer can process and rasterize the file information to the hard drive instead of entirely relying on systems RAM to process the file.

Have an end-game in mind

Think about what you will do with the file after it is printed. This will have a direct effect on the durability of the document.

• Will the GIS map be displayed for an extended period?
• Do you expect the map to be exposed to the elements?
• Will the document be handled excessively?

If any of these are a factor, an entry-level wide-format plotter might not cut it. When you think about the durability of a printed map, the first thing to address is the print media itself.

A standard 20-pound ink jet bond will probably not be sufficient for map printing. 20-pound paper easily becomes saturated and distorts and wrinkles when printing full-color images.

At the very least, you should use heavy-weight paper or photo paper. If you want a durable map for outside use, print it on a Mylar film or Tyvek banner material.

Don’t forget the ink.

The next important thing to consider is the ink that the plotter uses. Legacy plotters and entry-level units typically use dye-based ink. This is essentially a “watercolor” type of material.

If you want your GIS maps to withstand the abuse, consider UV or pigment-based ink, like with the Canon S-series plotters or the HP Z-Series Printers.

A pigment is an emulsion, a solid particle suspended in a liquid carrier. Pigment particles adhere to the print media rather than being absorbed like dye ink.

Also, pigment inks are not subject to fading. So, if you expect to hang and display your maps for long periods (months), a pigment printer is the way to go.

GIS printing key points to remember:

• GIS map files are usually very large and require special processing needs. Be sure that you have the right hardware for the job.
• Use the best paper for the job. A high-quality photo works great for displays, but you should use film or Tyvek for maps used in the field.
• Don’t underestimate the value of ink. The pigment is the best ink option for long-lasting, durable prints.

Photo credit: Hannah Stevens, NYBG.org