Week 1
Introduction to course
Bits/ bytes, and pixels/rasters
Computing values of bytes and integers
Spatial (pixel size) and radiometric (data type)
resolution
Computing file sizes and spatial extents
Essential math (e.g. basic trig)
Week 2
Data flow diagrams
Data types (byte, integer, real) [CONVERT]
File types (ASCII, binary, packed binary) [Show
File Contents]
Measurement scales (nominal, ordinal, interval,
ratio)
Discrete and continuous data
Importing raster data and file structures [BILIDRIS]
Image statistics
Histograms and histogram stretching [HISTO and STRETCH]
Image probing and profiling [Cursor inquiry and
PROFILE]
Playing with pallettes [Palette workshop]
Week 3
Importing vector data [SHAPEIDR, ARCIDRIS]
Creating vector data for IDRISI
Rasterization [POINTRAS, LINERAS, POLYRAS]
Vectorization [POINTVEC, POLYVEC]
Line generalization [LINEGEN]
Shifting, windowing, changing pixel sizes
[EXPAND, CONTRACT, WINDOW,
RESAMPLE, TRANSPOS]
Week 4
Spheroid, Ellipsoid, and Geoid defined
Map Projections and Datums (Geodesy)
Georeferencing [PROJECT and RESAMPLE]
Using DOS Batch files and Idrisi Macros
Links to Unix tools and tips
Week 5
Local, focal, zonal, and global processing (Context
operations)
Changing and grouping pixel values [RECLASS and
ASSIGN]
Image overlay [OVERLAY]
Image filtering [FILTER and SURFACE]
Identifying unique groups of pixels [GROUP]
Distance computations [DISTANCE]
Extracting zonal statistics [EXTRACT]
Week 6
Creating digital elevation models (DEM) and other
surfaces
Interpolation (creating rasters from points and
lines/contour)
[INTERPOL and INTERCON]
Sample spacing and image resolution (e.g. Shaded
relief magnetics)
Autocorrelation and semi-variograms [AUTOCORR and
CONTRACT]
Analyzing point densities [QUADRAT]
Week 7
Human Visual System
Colour models (RGB, HSV/IHS, CMY, CMYK)
Colour model transformations [COLSPACE and COMPOSIT]
Integrating shaded relief imagery with other imagery
[SEPARATE, ILLUMINATE]
Visualizing DEM and other 2.5-D data (image draping)
[ORTHO]
Week 8
Mid-term test
Week 9
Web page authoring with Netscape Gold (Optional)
WebGIS (Optional)
Unix and AWK
Selected Unix tools for Windows
Week 10
Creating DEMs [INTERCON]
Analyzing DEM data [FILTER and SURFACE]
Watershed analysis [WATRSHED]
Visibility analysis [VIEWSHED]
Logical Overlay [OVERLAY, Image Calculator]
(Raster Venn diagram to practice
on)
Binary and fuzzy membership [FUZZY]
Buffering [DISTANCE and BUFFER]
Week 11
Introduction to cost analysis [COST, VARCOST, and
ALLOCATE]
Identifying closest pixels to source/target locations
[THIESSON]
Pathway analysis [PATHWAY]
Combining or decomposing forces [RESULTAN and DECOMP]
Week 12
Rasters and databases [Database Workshop]
Week 13
Regression analysis with rasters [SCATTER and REGRESS]
Trend analysis [TREND]
Cross-tabulation / cross-classification [CROSSTAB]
Week 14
Free lab to:
review for Lab assignment next
week
prepare review questions for next
weeks "Review for the final"
Week 15
Review for the final
Lab Assignment (due at end of lab)
Week 16
Final test, 6PM 8PM in A127.