search for: _projected_

Displaying 2 results from an estimated 2 matches for "_projected_".

2004 Dec 06
0
convert Map shapes to logical matrices - for set operations
Hi, I have a little problem. I'm trying to do the following: Convert _projected_ shapes from a Map object into logical matrices. That is, rasterize a shape into a logical "in-the-shape" and "out-of-the-shape" matrix. What I'm trying to do is get an 'equal-area' estimate of the area of intersection between two overlapping shapes, without any c...
2004 Apr 06
1
Ignorant lack of bliss : summarise table by column attribute
...| 11 1 | 12 | 11 | 12 2 | 13 | 14 | 16 2 | 11 | 10 | 9 3 | 10 | 10 | 10.5 3 | 8.5 | 10 | 12 I need to produce some graphs typifying the change for each group between a _projected_ final reading and the final reading given. The time difference between previousavg and lastreading is 1/2 that between lastreading and finalreading. Where I have got to so far: I have read the result set (less than 200 rows) into a table 'results', attached it and then rather crudely cons...