20 |
20 |
21 <h3>Pylon Points</h3> |
21 <h3>Pylon Points</h3> |
22 <h4>Control Points</h4> |
22 <h4>Control Points</h4> |
23 A Pylon Control Point (PCP) is a position where a wire (or rather two) |
23 A Pylon Control Point (PCP) is a position where a wire (or rather two) |
24 is mounted onto a pylon. |
24 is mounted onto a pylon. |
25 Each NRT does contain 4 PCPs which are mapped to a byte |
25 Each NRT does contain 4 PCPs which are bitmapped to a byte |
26 variable and are represented by the DiagDirection enum: |
26 variable and are represented by the DiagDirection enum |
27 |
27 |
28 A wire that ends on the PCP has a dark ending, otherwise the end is bright.<p> |
28 Each track ends on two PCPs and thus requires one pylon on each end. However, |
29 |
29 there is one exception: Straight-and-level tracks only have one pylon every |
30 Now on each edge there are two PCPs: One from each adjacent tile. Both PCPs are merged |
30 other tile. |
31 using an OR matrix (i. e. if one tile needs a PCP at the postion in question, both |
31 |
32 tiles get it). |
32 Now on each edge there are two PCPs: One from each adjacent tile. Both PCPs |
|
33 are merged using an OR operation (i. e. if one tile needs a PCP at the postion |
|
34 in question, both tiles get it). |
33 |
35 |
34 <h4>Position Points</h4> |
36 <h4>Position Points</h4> |
35 A Pylon Position Point (PPP) is a position where a pylon is located on the ground. |
37 A Pylon Position Point (PPP) is a position where a pylon is located on the |
36 Each PCP owns 8 in (45 degree steps) PPPs that are located around it. PPPs are numbered |
38 ground. Each PCP owns 8 in (45 degree steps) PPPs that are located around |
37 0 to 7 with 0 starting north and numbering in clockwise direction. Each track bit has PPPs |
39 it. PPPs are represented using the Direction enum. Each track bit has PPPs |
38 that are impossible (because the pylon would be situated on the track), preferred (because |
40 that are impossible (because the pylon would be situated on the track) and |
39 the pylon would be rectangular to the track). PPPs are represented by the Direction enum. |
41 some that are preferred (because the pylon would be rectangular to the track). |
40 |
42 |
41 <img src="../../elrail_tile.png"> |
43 <img src="../../elrail_tile.png"> |
42 <img src="../../elrail_track.png"> |
44 <img src="../../elrail_track.png"> |
43 |
45 |
44 */ |
46 */ |