photo

Reema Alhassan


Actif depuis 2018

Followers: 0   Following: 0

Statistiques

All
  • First Review
  • First Submission
  • Thankful Level 3
  • First Answer

Afficher les badges

Feeds

Afficher par

A soumis


Calculate the Sum of the nightlights data from TIFF images
A program that read the nightlights data from the satellite images (TIFF) and calculates the sum of lights inside each geometry ...

presque 6 ans il y a | 2 téléchargements |

Thumbnail

Question


Why this error occurs in gunzip?
Error using untar (line 60) Unexpected end of input stream when attempting to GUNZIP the fileError using untar (line 60) Unexp...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
To ignore the data files with error and proceed in the code
Do you know why this error occurs ?

plus de 6 ans il y a | 0

Question


how to write a long field in a shape file?
hello, I need to write a long field in a shape file but I couldn't for example I want the field to be "Sum2015vcm_orm" but...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


Unzipping using system command ? I couldn't understand the command
someone wrote this and he said it was very helpful sys_cmd_unzip = @(z,d) ['"C:\Program Files\7-Zip\7z.exe" e -y -r -o"...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


how to write long field name in a shape file?
Hello everyone , I need to write new column in a shape file so I used setfield function SumOfLightColumn=strcat('S...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


faster unzipping for large URLs?
Hello everyone, I'm using gunzip(url,folder); untar(url,folder); to unzip satellite images which has the extensio...

plus de 6 ans il y a | 1 réponse | 0

0

réponse

Question


how to display number in decimal ?
Hello everyone, I have tried : format long format short value=double(value) and the output still fraction number ...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


How to save the values after each iteration in a matrix ?
Hello everybody , I did some calculation in a loop and this is the output I need to put the value after each iteration in N...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


is there a way to go to the line above using fprintf function ?
I'm writing on a csv file and I'm writing column by column for example here : for i = 1 : length(col) fprintf( fid, ...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


how to extract the fields header in the shape file?
Is there a way to extract the fields headers in the shape file ? 13×1 struct array with fields: I need to read the headers Ge...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


xticklabels function for more than 11 labels ?
Hello everyone , I need to use the function "xticklabels" for labeling the x-axis this is my code: figure (1) xti...

plus de 6 ans il y a | 2 réponses | 0

2

réponses

Question


about poly2mask function
Could anyone please explain me this : I'm using poly2mask function to creat a mask of a polygon with an image the documentation ...

plus de 6 ans il y a | 1 réponse | 0

0

réponse

Question


how to specify the polygon edges ?
Hello every one , I want to ask what Is the polygon edge ? which is requires here in the inputs parameter? https://ww2.math...

plus de 6 ans il y a | 1 réponse | 0

0

réponse

Question


how to convert matrix size
I have a matrix s which has the size : 2882x2575 then I convert it to 7421150x1 by this: s1=s(:); and I did some pro...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


how to merge two matrix to one matrix ?
I have x and y coordinates I need to merge them into one matrix having the size: Mx2 x=[50.2124 50.2133 50.2134 50.2134 5...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


function faster than inpolygon()?
Is there a function faster than inpolygon()? or another way to do the intersection ? because it sometimes takes too much tim...

plus de 6 ans il y a | 1 réponse | 1

0

réponse

Question


how to deal with large polygons ?
hello everyone, I'm using geoimread() to read the image with the x and y coordinates of each polygon. and then I extract the x ...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


how to clip geotiff image ?
hello everyone I have a geotiff image and 4 coordinates xmin, xmax, ymin,ymax (the boundingBox of a shape file) I need to cl...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


how to convert the shape file to mask (binary)?
I need to convert the shape file to binary matrix with the size of the image that I have to multiply it with the values of the...

plus de 6 ans il y a | 1 réponse | 0

0

réponse

Question


why X and Y coordinates must have the same size ?
hello, I have an image and a shape and I need to clip the image based on the coordinates of the shape but when I do this I...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


how to clip an image based on x and y coordinates
hello everyone I have a satellite image and I need to clip the image based on the coordinates of x and y from a shape file I h...

plus de 6 ans il y a | 1 réponse | 0

0

réponse

Question


how to extract the information from shape file and write it in excel file
hello everyone I have a shape file which has 13 polygons and every polygon has 24 fields of information I need to extrac...

plus de 6 ans il y a | 1 réponse | 0

0

réponse

Question


how to make a variable execute only once ?
Hello I have a viable t I want it to be 0 only for once then I need to increment it by 1 each time when I do this t=0...

plus de 6 ans il y a | 2 réponses | 0

2

réponses

Question


convert number in a matrix to a scalar
Hello everyone I have matrix "values" and I need to sum all of it's element so I use sumOFvalues= sum(values(:)); the sumOF...

plus de 6 ans il y a | 2 réponses | 0

2

réponses

Question


how to make a consecutive matrix before and after the decimal point?
Hello everyone , I have two numbers a=38.656528472900447 and b=43.667495727539006 I want to make an array which start from a...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Statistic summary of values of raster pixels inside polygons?
Hello Marmar, this is exactly what I need to do if you have a code of doing this could you share it please ? till know I can...

plus de 6 ans il y a | 0

Question


How to extract polygons coordinates from shape file?
hello, I have a shape file which contains 10 polygons I need to extract the coordinates for each polygon how can I do that ?...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


clip Geotiff image by many polygons
Hello everyone, I have a geotiff image and a shape file which contains 13 polygons and I need to clip this image based on these...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


How can i perform zonalstat for irregular polygons ?
Hello there, Does anyone know how to perform zonalstat for irregular polygons in Matlab? Are there any functions to do that ...

plus de 6 ans il y a | 1 réponse | 0

0

réponse

Charger plus