README.txt Public

README for Mejía Ramón, Andrés G., Jessica L. Munson, and Lorena Paiz Aragón. (2019). Altar de Sacrificios & Grupo Frontera. Topographic and Color Orthoimage Dataset, Version 1.0. ScholarSphere. DOI:10.26207/fcmv-jf46

README


------------------Proyecto Arqueol�gico Altar de Sacrificios------------------

---------------------Altar de Sacrificios & Grupo Frontera--------------------
-------------------Topographic and Color Orthoimage Dataset-------------------

----------------------------------Version 1.0---------------------------------

Created by: Andr�s G. Mej�a Ram�n (The Pennsylvania State University)
Jessica L. Munson (Lycoming College)
Lorena Paiz Arag�n (Proyecto Arqueol�gico Altar de Sacrificios)

Contact: andresgmejiar@psu.edu

Acquired: 15-26 May 2017
Region: Altar de Sacrificios and Grupo Frontera
Pasi�n-Salinas/Chixoy River Confluence
Upper Usumacinta Confluence Zone
Sayaxch�, Pet�n, Guatemala
Published: 31 August 2019

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
https://creativecommons.org/licenses/by-nc/4.0/
Accessed 31 August 2019

 You are free to use and distribute this data with appropriate 
 attributuion to the creators and licence for any non-commercial use. 
 Please refer to the above licence for further information.

Cite As (ScholarSphere in Italics):
Mej�a Ram�n, Andr�s G., Jessica L. Munson, and Lorena Paiz Arag�n
2019. Altar de Sacrificios & Grupo Frontera. Topographic and Color
Orthoimage Dataset, Version 1.0. ScholarSphere.
DOI:10.26207/fcmv-jf46

Dataset contents:
Color Orthoimage: ADS201705RGB.tif (Red/Green/Blue/Alpha)

ADS201705RGB.tfw
Digital Elevation Model: ADS201705DEM.tif (Meters)
ADS201705DEM.tfw
Raw Elevation Model: ADS201705SurfaceUncorrected.tif (Meters)
ADS
201705SurfaceUncorrected.tfw

Coordinate System: WGS 1984 UTM 15N (m)
Resolution: 7.37 cm (DEM)
3.67 cm (RGB)
Extents: See individual dataproduct metadata
Pixel depth: 32 bit (DEM)
16 bit (RGB)
NoData: 0 (DEM)
255, 255, 255 (RGB)

Sensor Specifications:
Sensor Type: Phantom 3 Professional 4K Camera
Effective Pixels: 12.4M
Field-of-View: 94�
Elec. Shutter Speed: 8 - 1/8000 s
Image Size: 4000 x 3000
Focal Length: 3.61 mm
Pixel Size: 1.56 x 1.56 um
Positioning Accuracy:
Horizontal: 1.5 m
Vertical: 0.5 m

Reconstruction Parameters:
Software: Agisoft Metashape 1.5.2.7838

Alignment Accuracy:  Highest
Generic Preselection:    No
Reference Preselection:  Yes
Key point limit:     40,000
Tie point limit:     4,000

Depth Maps Quality:  High
Filtering Mode:      Aggressive
Point Colors:        3 bands, uint8

Color Correction:    Yes
Refine Seamlines:    No

Topographic Correction Parameters:
Software: ESRI ArcGIS 10.7
Base Dataset: USGS SRTM1N16W091V3
Resolution: 1"
Vegetation Threshold: 3�

Polynomial Order: 12

Qualitative Limitations:

> Vegetation Effects are Present
> Edge Effects Present in Center East and South West
-Data acquired in 2018 to correct for Version 2.0
> Areas 20 m from residential structures downsampled to 1 m in RGB

Acknowledgments:
Instituto de Antropolog�a e Historia de Guatemala,
Town of Pipiles, Las Cruces, Pet�n, Jes�s Madrigal, Lycoming College,
Wenner-Gren Foundation, Archaeological Institute of America, National
Aeronautics and Space Administration, Pennsylvania Space Grant
Consortium, The Pennsylvania State University, DigitalGlobe Foundation,
United States Geological Survey

Diagnostics:
Pictures: 6403
Camera Calibration:
F: 2443.22
Cx: -59.1484
Cy: -83.3633
K1: -0.0109862
K2: 0.000690455
K3: 0.0158978
P1: -0.0008711
P2: -0.000534335
Average Camera Locational Error:
X/Y: 5.9084 m
Z: 10.4886 m
Correction RMS: 2.2999 m
Correction Coefficients:
0: 1063219434.32775

1: -2164.13411693062
2: 789.842537319996
3: -0.00262530978733712
4: -0.00119406511897791
5: 0.000524261619937769
6: -3.98622783321059e-10
7: -1.57890836417924e-09
8: -6.7649519696407e-10
9: 3.25682608556003e-10
10: 3.59028922519674e-15
11: -3.48449772608733e-16
12: -9.57565389235536e-16
13: -3.90815591837217e-16
14: 1.93541794068587e-16
15: 7.30245164624864e-21
16: 2.04534859654754e-21
17: -2.82627151746553e-22
18: -5.80338351695971e-22
19: -2.28404483808271e-22
20: 1.11397785509312e-22
21: 7.56764052568331e-27
22: 4.51250934482484e-27
23: 1.12324533367518e-27
24: -2.10034941412641e-28
25: -3.48963510353904e-28
26: -1.33949952893551e-28
27: 6.26334524713357e-29
28: 7.10218163062873e-34
29: 5.26708665709487e-33
30: 2.66459612783374e-33
31: 6.05203330117086e-34
32: -1.44103873439069e-34
33: -2.07030622615412e-34
34: -7.82560966367116e-35
35: 3.46232886755101e-35
36: -1.54561155939956e-38
37: 2.08214556322969e-39
38: 3.31476235986417e-39
39: 1.5335762085049e-39
40: 3.25968961434871e-40
41: -9.1814341415617e-41
42: -1.20598790795589e-40
43: -4.52477173239216e-41
44: 1.89412645695443e-41
45: -3.69631887278155e-44
46: -6.76395269415641e-45
47: 1.70375050131123e-45
48: 1.97529006853459e-45
49: 8.73125805945775e-46
50: 1.79301715572882e-46
51: -5.42515685584847e-47
52: -6.86390256549597e-47
53: -2.57316646149797e-47
54: 1.03224955870436e-47
55: -4.41630307805599e-50
56: -2.01799267776919e-50
57: -3.45092326022579e-51
58: 1.08044767877593e-51
59: 1.14288048351362e-51
60: 4.98156956088241e-52
61: 1.02954105830581e-52
62: -2.93214060801606e-53
63: -3.79390567079039e-53
64: -1.4296820814812e-53
65: 5.64712462508973e-54
66: 1.63431056748127e-56
67: -2.94400875867639e-56
68: -1.22239344515201e-56
69: -2.06647413560528e-57
70: 6.06328829893288e-58
71: 6.53647046370226e-58
72: 2.88179592577328e-58
73: 6.26981482480891e-59
74: -1.39279890639353e-59
75: -2.01865650141342e-59
76: -7.69536592649527e-60
77: 3.12862966935805e-60
78: 2.64298601548624e-61
79: -8.91710847800481e-63
80: -2.1071844655392e-62
81: -7.91624348976097e-63
82: -1.36860264447171e-63
83: 3.16826087104518e-64
84: 3.75147889177911e-64
85: 1.70667368868264e-64
86: 4.06125047915905e-65
87: -5.10662066108541e-66
88: -1.01863029878644e-65
89: -3.96171943276221e-66
90: 1.77084531098678e-66

Items in this Work

User Activity Date
User Andres Gabriel Mejia Ramon has attached README.txt to README.txt about 2 months ago
User Andres Gabriel Mejia Ramon has deposited README.txt about 2 months ago