LANsurveyor produces network maps using icons to represent network objects. This appendix shows you how to create your own icons for use in LANsurveyor.
Icon Files
LANsurveyor icons are stored as Windows Bitmap (.bmp) files in the NodeImages folder inside LANsurveyor's application folder. Files are named "#.bmp" where # represents either the SNMP ID byte or a LANsurveyor identification number. For example, APC uninterruptible power supplies use the icon in file 193.bmp since 193 is the SNMP ID for APC equipment. Numbers above 50000 are LANsurveyor identification numbers.
Icon images are loaded each time a map is built. Any images you replace, add, or edit are used the next time you create a map.
Icons should be 32-by-32 pixel images, and files stored in the NodeImages folder must named with numerals.
Change Icons
You can change the icon used for a device LANsurveyor knows about by simply replacing the .bmp file with one you create or just modifying the existing file.
Add Icons
LANsurveyor is extensible: you can add icons for any SNMP-based device not already supported by LANsurveyor. Simply create a .bmp file using the SNMP ID of the device.
To find the SNMP ID of your device, locate the device on your network and double-click it to view the Get Info window. Then, view the System information under SNMP Data. The SNMP ID is the seventh number in the line of period-delimited numbers. If the string is 1.3.6.1.4.1.255.1.1, the actual SNMP ID is 255.
Save as Visio
Visio documents created by LANsurveyor can also use new icons you create.
LANsurveyor uses a Visio stencil file named "LANsurveyor.vss" in the LANsurveyor installation folder. Launch Visio then open the stencil. The icons in the stencil are named the same as the icons in the NodeImages folder.