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Change bmp files' aspect ratio by adding canvas borders.
This small tool can add borders to bmp files in batch processing mode. All bmp files will have the specified aspect ratio after conversion.
The border color can be automatically determined or set to a static color.
The program can preserve the landscape/portrait format of the image.
LaTeX Slope rulers to measure slope on topographic maps
These rulers have been designed using LaTeX and the PGFPlots package by Christian Feuersanger to measure slope on a 1:25,000 scale or 1:50,000 topographic map.
Slope is determined by comparing the distance between contour lines of the map with the reference lines on the edges of the ruler. The top border of the ruler is designed to measure slope with a 20 meter contour interval. The bottom border measures slope with a 50 meter contour interval.
You should print this ruler on white or transparent paper, taking care of deactivating any scaling options. Check the actual size of the ruler in centimeters on the right border.
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<table border=0><tr><td><img src="http://jroseviewer.sourceforge.net/images/Icon.jpg"></td><td>JRoseViewer is a Java GUI program that used to view model files (.MDL) created by Rational Rose -- the most famous UML tool.</td></tr></table>