How to plot APU for Landsat?

Dear All, I want to plot the Accuracy (A), Precision (P) and Uncertainty (U) as it has been plotted in the attached file. Is there any software which can calculate all these metrics automatically...

09 October 2018 4,904 1 View

How to remove land cover information from a satellite image while retaining the spatial information of each pixel?

Dear All, I have a high resolution ( 3.0 m) satellite image. Is there any method that I can remove the shape of each land feature while retaining the (1) spatial information of each pixel, (2)...

01 February 2018 4,549 3 View

Why satellite image pixels are always in square form?

Hi, Why we always have the satellite image pixels in square form, i.e. for Landsat multispectral bands it is always 30 m x 30 m, for MODIS it is 250 m x 250 m, 0.5 km x 0.5 km or 1 km x 1 km? Why...

08 September 2017 9,685 4 View

How to convert surface reflectance into surface radiance?

08 September 2017 485 5 View

How to plot the geo-spatial data along a transect?

Hi, I have did atmospheric correction different methods e.g. Method-A, Method-B and Method-C. Now, I want to plot the results of these methods by drawing a transect in the resultant satellite...

07 August 2017 4,054 4 View

Remote Sensing Reflectance Equation

06 July 2017 8,341 3 View

What's the difference between "Surface Reflectance" and "Remote Sensing Reflectance"?

Hi All, 6SV is an atmospheric correction method, which has widely been used in the remote sensing community to estimate the surface reflectance of an object of interest. Recently, I have came...

08 September 2016 8,086 13 View

No title

06 July 2016 6,056 6 View

How to write specific line numbers from a text (.txt) file to Microsoft Excel?

Hi, I have a bulk of Landsat TM/ETM+ metadata files, from these files I need three lines to be written in Excel or in a new text file. For Example, from the attached text file I want to...

06 July 2016 1,604 1 View

From where I can get in situ Multispectrometer Surface Reflectance data?

06 July 2016 7,426 5 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View