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Earth from space
The Bilko Software
True colour composite

Downloading the Software

The latest install version of Bilko is Bilko 3.3 issued 4th October 2009 . If you have already registered, you can download this by entering your e-mail address in the box below. If you are new to Bilko, please register first, using the link on the top menu bar.

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Screenshot from EAMNET lesson

Latest patch to fix known problems in Bilko 3.3

This patch fixes known problems with the 2009 version of Bilko 3.3. To apply it follow the steps below:

  1. Download the replacement files (786 KB).
  2. Unzip the file and transfer the two files (.exe and .chm) into the folder that contains your existing Bilko software.
  3. Modify the shortcuts in your Programs menu, so they point at the new executable file: b33_1102.exe

Please note that to apply the patch Bilko must already be installed on your computer.


True colour composite image from MERIS bands 6, 4 and 2

Software Description

Platform and operating system

Bilko v3 is designed to run on PCs running Windows XP, but will also run on Windows 95, Windows 98, Windows 2000, and Windows NT 4.0 or later. It has also been run successfully on Windows Vista.

Contrast stretch example

Software features

The latest version fixes known issues with previous versions, and features improvements to scatterplots and transects. Bilko software now features:

Supervised and unsupervised classifiation

Principal Component Analysis

A colour palette brings out details of chlorophyll concentration

Context sensitive help program

Support for common image formats used in remote sensing   MORE

Handling of 3-D and multiband data (increased to 128 bands/images in Bilko 3.3)   MORE

Support for 8-bit, 16-bit, 32-bit and floating point data

Bilko palette tool

Support for NaNs and customer defined Null values

Image manipulation and display tools:

  Contrast stretching   MORE
Applcation and design of colour palettes   MORE
Display and creation of colour composites    
Bilko histogram
  Zoom, Mirror, Flip and 180° rotation
Colour bar, scroll-bars and status-bar displaying pixel information
Customised display of 16-bit, 32-bit and floating-point data    
Extract tool for sub-sampling in the X, Y and Z dimensions    

Image editing and analysis tools:

  Animations    
Gradient filter example
  Easy selection of specified points, lines and sub-areas    
Data-coring (spectral or time series)    
Transects, histograms, scatter-plots, Hovmöller diagrams    

Data processing tools:

  Predefined and custom designed filters   MORE
RA-2 sea surface height anomaly and AATSR sea surface temperature
  Application of flags, masks, and coastlines    
Image calculations using formulae with sets of images   MORE
Image rectification, resampling, and co-registration    
Geocorrection using Ground Control Points or tie-point tables    
Automatic geocorrection of Envisat data (MERIS, ASAR, AATSR, RA-2)

Export to ASCII (text/spreadsheets) via the Windows clip-board
Last update: 02 August 2011      Contact          Up         Site Policy         Credits     Next: Tutorials and Lessons   next