4 SS05 Thiva

A quick review of the stage, detailing the overall route, the route in 1km sections, route elevation profile and route curvature profile.

4.1 Stage Route Preview

Static map, significant corners highlighted:

4.2 Segmented Route

1km route sections, aligned to read left to right; significant corners highlighted.

4.3 Speed Estimates

Estimates of speed along the route according to a very simple acceleration model.

Kilometer section speeds (kmtime is time in seconds to complete that segment; avspeed is in km/h):

kmsection section_length km_time av_speed maxspeed
1 0.99 29.561920 120.56050 145.0000
2 1.00 38.383323 93.79073 144.9999
3 1.00 40.132154 89.70363 145.0000
4 1.00 34.760147 103.56688 144.9999
5 1.00 39.659798 90.77202 144.9996
6 1.00 32.564198 110.55086 144.9512
7 1.00 35.200568 102.27108 144.9609
8 1.00 35.114792 102.52090 145.0000
9 1.00 34.412655 104.61268 144.9985
10 1.00 35.574552 101.19593 145.0000
11 1.00 39.215374 91.80073 145.0000
12 1.00 45.421252 79.25805 144.6094
13 1.00 46.851098 76.83918 144.4922
14 1.00 32.304110 111.44093 145.0000
15 1.00 38.741752 92.92301 144.9878
16 1.00 29.420666 122.36297 145.0000
17 1.00 42.767755 84.17557 144.9998
18 1.00 35.219153 102.21711 144.9998
19 1.00 41.984485 85.74596 144.9969
20 1.00 37.770704 95.31196 144.9999
21 1.00 29.365264 122.59382 145.0000
22 1.00 28.062602 128.28461 145.0000
23 1.00 27.606376 130.40466 145.0000
24 0.26 7.469985 125.30145 145.0000

Anticipated stage time: 13m 57.6s

Speed profile chart: this chart shows the anticipated speed over distance into route on a per kilometer basis (the green area is flat out, the pink is the sort of slow you see at a hairpin):

4.4 Elevation and Convexity Index into Route

Elevation and significant curvature vs distance into stage:

(Note that this uses a different curvature measure to the route plots; specifically, the curvature measure used here is the convexity index.)

Elevation delta signature — order the severity of height changes over each 10m section of the stage:

Split section elevation profiles can be found in the stage km section summary table.

4.4.1 Left and Right

How does the stage vary in terms of left and right turns?

Order the severity of right and left turns over each 10m section of the stage:

Kilometer segment convexity index signatures can be found in steg stage km section summary table.

Table 4.1: Five longest straights (m)
Distance into stage (km) Straight length (m)
22.78 360
21.38 190
17.42 180
2.66 160
0.70 180

4.4.2 Sinuosity and Straightness

Sinuosity and straightness are technical measures with specific defintions. They may or may not be that useful for route analysis in their current form. The intention is to try to find ways of identifying variously “interesting” kilometer stretches.

(#tab:sinuosity_table-6)Stage segmented into 1km sections: SS05 Thiva
km sinuosity straightness route elevationPlot convexityProfile
1 0.03507189 0.7406245
2 0.06941127 0.1391683
3 0.06571448 0.3924687
4 0.05429090 0.4033741
5 0.07131598 0.7001344
6 0.05732099 0.9149785
7 0.06671409 0.8964574
8 0.08086751 0.5807427
9 0.06521576 0.8332790
10 0.06775318 0.7753094
11 0.07451392 0.5442484
12 0.08908516 0.6153459
13 0.12893452 0.5812361
14 0.05702738 0.8421857
15 0.07896438 0.5238379
16 0.04172407 0.8082387
17 0.09810140 0.5274636