PBSfig01
PBSfig02
PBSfig03
PBSfig04
PBSfig05
PBSfig06
PBSfig07
PBSfig08
PBSfig09
PBSfig10
Map of the world projected in longitude-latitude coordinates. Red vertical lines show boundaries for the 60 UTM zones, with explicit labels for zones 1 to 9. A black line indicates the prime meridian. The PolySet `nepacLL' lies within the clipping boundary shown as a blue rectangle.
Shoreline data in longitude-latitude coordinates for the northeastern Pacific Ocean. Vertical red lines display UTM boundaries. A vertical dotted line indicates the central meridian of zone 6.
Shoreline data for the northeastern Pacific Ocean, projected in UTM coordinates. Vertical lines display UTM boundaries. A vertical dotted line indicates the central meridian of zone 6.
Vancouver Island as captured in our PolySet nepacLL (left) and the result of passing it into thinPolys with a tolerance of five kilometres (right).
Example of the joinPolys logic operations. Panels A and B display the first and second PolySets, respectively. Panels C to F illustrate the difference, intersection, union, and exclusive-or operations, respectively.
Figure 6 is missing since it requires S_PLUS.
Tracks for 45 tows performed during the 2001 longspine thornyhead survey along the west coast of Vancouver Island. A colour indicates the depth stratum for each tow.
Areas (in square kilometers) of selected islands in the southern Strait of Georgia.
Portrayal of `surveyData' from Pacific ocean perch surveys in the central coast region of British Columbia from 1966-89. Colours portray the mean catch per unit effort within each grid cell. Circles show locations of individual tows.
Proof of Pythagoras' Theorem. Four blue triangles plus the yellow square and the green square equal four blue triangles plus the red square.