PowderPlot

If you're looking for a free and standalone Java program to help you view and plot RIETAN-2000's powder pattern output files (*.pat), you might want to check out PowderPlot. This software makes it easy to visualize and analyze patterns using a variety of keyboard shortcuts.

With PowderPlot, you can use the Esc shortcut to cancel mouse drag, the minus and plus keys to zoom in and out, and the arrow keys to move around the graph. For example, the right arrow key will show the low two theta area by moving to the right, while the left arrow key will show the high two theta area by moving to the left. You can also use the up and down arrow keys to move the graph up or down.

If you want to zoom in or out along the two theta axis, you can use the Shift key in combination with the right or left arrow key. To zoom in along the intensity axis, you can use Shift and the up arrow key, while Shift and the down arrow key will zoom out along the intensity axis.

Overall, PowderPlot is a useful tool for anyone who needs to work with powder pattern output files in RIETAN-2000. The keyboard shortcuts make it easy to navigate and analyze data, and the software is available for free.