Frequently Asked Questions (FAQ)

This section contains a number of frequently asked questions about JMARS along with useful tips on getting the most out of the various layers and data formats that JMARS can work with.

Getting Started

• What if the Linux installer doesn't work?
• How do I start JMARS using command-line instructions?
• What ports need to be open for JMARS to function properly?
• How should JMARS be cited in published works?
• What if I have other JMARS download/installation issues?

Map Layer

• What if the background of a custom map is black (i.e., not transparent)?
• How can I use the mouse to read out numeric values?

Shape Layer

• How do I assign a value to multiple features at the same time?
• Drawing concentric polygons

Stamp Layer

• How do I change the default web browser?
• Why can't I render a PBT or DCS for a specific infrared image?