# Mapping with Pleiades--End-to-End Workflow
## 3 Test Sites and Data Sets
### Test Site Innsbruck (Austria)  
This test site covers urban, rural and mountainous terrain, with ellipsoidal heights ranging from 560 m to 2750 m and spans over an area of 1200 km\({}^{2}\). In July 2013, only one stereo pair was acquired from Pleiades-1A after the launch of Pleiades-1B and thus after the recalibration of the Pleiades-1A satellite. One year after, within two days in June 2014 three image triplets were achieved, two of them acquired by Pleiades-1A and one by Pleiades-1B, which show different geographic areas of this test site, that is, eastern, center and western part. The central part of the test site is shown in Figure 3. The triplets do not have an overlap on the ground, such that images from different triplets do not form across track stereo pairs. For Innsbruck, an airborne LiDAR DSM is available as reference data set, collected in 2006 at 2.0 points/m\({}^{2}\). The temporal gap between Pleiades and LiDAR data has to be taken into account in the evaluation since changes occurred due to urban build-up and vegetation grow or clear-cut. The LiDAR DSM is available as raster data in UTM 32 North map projection and WGS 84 datum at 1 m GSD with ellipsoidal heights and could be used further to measure GCPs. 3D discontinuities in the LiDAR data can be used to define and manually measure ground coordinates. A fairly high number of GCPs, homogeneously distributed in planimetry and height, is measured. Targets like road intersections, corners of houses, water bodies or field boundaries, serve as control point candidates. Thus, 30 points were acquired for Innsbruck.  
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Study** & **Acq. Date** & **ID** & **Time** & \multicolumn{2}{c}{**Incidence Angle** [\({}^{\circ}\)]} & **Model** & \(\delta\) [\({}^{\circ}\)] \\
**Area** & **and Platform** & & & **Along** & **Across** & **Overall** & \\ \hline Innsbruck & 2013-07-13 & 1 & 10:16:41.4 & \(-\)11.72 & 8.96 & 14.60 & 1–2 & 26.9 \\ Stereo & 1A & 2 & 10:17:25.8 & 14.48 & 2.35 & 14.66 & & \\ \hline Innsbruck & 2014-06-09 & 1 & 10:21:06.6 & \(-\)18.74 & 4.11 & 19.13 & 1–2 & 10.1 \\ Triplet & 1A & 2 & 10:21:23.8 & \(-\)8.99 & 1.42 & 9.09 & 2–3 & 23.3 \\ East & & 3 & 10:22:02.0 & 13.61 & \(-\)4.63 & 14.32 & 1–3 & 33.4 \\ \hline Innsbruck & 2014-06-08 & 1 & 10:29:07.4 & \(-\)17.82 & \(-\)8.53 & 19.53 & 1–2 & 24.9 \\ Triplet & 1B & 2 & 10:29:49.3 & 6.54 & \(-\)15.46 & 16.67 & 2–3 & 4.6 \\ Center & 3 & 10:29:57.1 & 11.15 & \(-\)16.77 & 19.80 & 1–3 & 29.5 \\ \hline Innsbruck & 2014-06-09 & 1 & 10:21:15.6 & \(-\)14.30 & 3.82 & 14.76 & 1–2 & 10.4 \\ Triplet & 1A & 2 & 10:21:32.9 & \(-\)4.21 & 1.13 & 4.36 & 2–3 & 23.0 \\ West & & 3 & 10:22:11.1 & 18.11 & \(-\)4.89 & 18.67 & 1–3 & 33.4 \\ \hline Trento & 2012-09-11 & 1 & 10:14:23.5 & \(-\)16.86 & 14.68 & 21.83 & 1–2 & 5.5 \\ Triplet & 1A & 2 & 10:14:33.3 & \(-\)11.25 & 13.34 & 17.20 & 2–3 & 27.3 \\  & 3 & 10:15:18.8 & 15.74 & 7.00 & 17.09 & 1–3 & 32.9 \\ \hline Ljubljana & 2013-07-27 & 1 & 10:10:08.2 & \(-\)12.12 & \(-\)19.8 & 14.9 & 1–2 & 25.2 \\ Stereo 1 & 1A & 2 & 10:10:49.7 & 12.36 & \(-\)8.59 & 12.3 & & \\ \hline Ljubljana & 2013-07-28 & 3 & 10:03:42.1 & \(-\)7.39 & 9.36 & 15.3 & & \\ Stereo 2 & 1B & 4 & 10:04:19.6 & 14.78 & 3.95 & 11.8 & 3–4 & 22.7 \\ \hline Ljubljana & 2013-07-29 & 5 & 9:55:03.4 & \(-\)10.20 & 22.31 & 24.1 & & \\ Stereo 3 & 1A & 6 & 9:55:48.9 & 16.91 & 16.90 & 23.3 & & \\ \hline Singapore & 2014-10-01 & 1 & 3:33:16.8 & \(-\)0.31 & 8.64 & 8.64 & & \\ Stereo & 1B & 2 & 3:33:41.9 & 14.65 & 5.44 & 15.55 & & \\ \hline Tian Shui & 2014-05-07 & 1 & 3:53:38.3 & \(-\)10.54 & 0.75 & 10.56 & & \\ Stereo & 1A & 2 & 3:54:15.4 & 11.68 & \(-\)4.54 & 12.48 & 1–2 & 22.8 \\ \hline \hline \end{tabular}
\end{table}
Table 1: Acquisition parameters for the Pleiades satellite images over the study areas (with \(\delta\) being the convergence angle based on Equation (1)).