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Questions related from Jhedy Amores
Are there any online sources for high-resolution (~1m or less, preferrably less) worldwide imagery? Paid data are fine, I just need sources. Thank you very much!
19 September 2018 8,784 3 View
Suppose you have a set of point data which contains two variables (say var1 and var2), both of which have discrete values (say 1, 2, and 3). You try to map them (see attached files var1.jpeg and...
27 September 2017 7,042 2 View
Hi! I have these rock types used in my research (see attached image). May I know which among these I can calculate the weathering indices (CIA, CIW, MWPI, Vogt, WI) on? Thank you very much!
12 June 2017 4,247 2 View
Can the weathering indices such as CIA, CIW, MWPI, Vogt Ratio, and WI be used to calculate the weathering intensity of non-silicate rocks? If so, what changes to the equations would be considered,...
10 May 2017 3,061 2 View
I understand that weka's J48 uses Gain Ratio as a method in determining how to split the tree, but when I compare the first attribute in the attribute ranking and the attribute by which my...
01 February 2017 5,128 2 View
I'm quite confused about the calculation of the CIA or the Chemical Index of Alteration (same with the other weathering indices). Would the weight percent do for the calculation? Or is the...
23 January 2017 354 14 View
I have a DAT file with no XY coordinates, just the value field (see attached DAT file). Suppose I was given the boundaries of the DAT file, as well as the supposed resolution (say 20m), how do I...
23 September 2016 1,176 3 View
When I process my elevation grid file in ILWIS, it shows the cells with elevations above 1000. However, when I export the grid file as an Arc ASCII grid file using ILWIS (I am having problems in...
04 May 2015 8,196 5 View
