How can I save outputs in same names of inputs?

Hi everybody,

I create Mask from images. tiff so I want to save output images.tiff in same name of the original images. suppose the names of files are 1981_07_15.n07-VI3g and 1981_07_16.n07-VI3g respectively SO how can I save outputs in same names of inputs.

Thank you in advance

Reyadh

Here is my code

for i=1:length(Ii)
set(0,'DefaultFigureRenderer','zbuffer')
[Plg,Plt]=meshgrid(lg,lt);
LATLIMS=[30.952 32.01];
LONLIMS=[47.09 47.818];
m_proj('Equidistant Cylindrical','lon',LONLIMS,'lat',LATLIMS);
img=Ii{i}.*MASK;
 map=m_pcolor(Plg,Plt,img);
a=colormap(jet);
%     a=fliplr(a);
set(gcf,'colormap',a);
shading flat;
m_grid('linewi',2,'tickdir','out');
str=num2str(i);
saveas(map,str,'tif');

[Merged from duplicate question]

Hi everybody,

I did mask to multiple images. TIFF then I want ton save the masked images in same name of the original images. Is that possible?

Thank you

Reyadh

Here is my code,

cd G:\marsh\new
F_read=dir('*.tif');
for i=1:2
I{i}= F_read(i).name;    
I{i} = imread(I{i});
ID{i}= im2double(I{i});
Ii{i}= ID{i}(697:709,2728:2735);
Ii{i}(Ii{i}>1)=NaN;
Ii{i}(Ii{i}<0)=NaN;
Ii{i}(Ii{i}==0)=NaN;
end
for i=1:13
    lt(i)=32.01-0.0833*(i-1);
end
clear i
for i=1:8
    lg(i)=47.09+0.0833*(i-1);
end
clear i
cd F:\Landsat_images\All_marshes_Calssification\Alhuwaiza\Mask_Tif
M=m_shaperead('Huwaiza'); 
%Create a mask
x = linspace(min(lg), max(lg), 8);
y = linspace(min(lt), max(lt), 13);
[x,y] = meshgrid(x,y);
for i=1:length(M.ncst)
    Ncst(i,1)=M.ncst{i}(1);
    Ncst(i,2)=M.ncst{i}(2);
end
isin = inpolygon(x,y,Ncst(:,1),Ncst(:,2));
isin=flipud(isin);
isin=double(isin);
isin(isin==0)=NaN;
MASK=isin;
clear isin x y
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
cd G:\marsh\new\huTif_new
for i=1:length(Ii)
    set(0,'DefaultFigureRenderer','zbuffer')
    [Plg,Plt]=meshgrid(lg,lt);
    LATLIMS=[30.952 32.01];
    LONLIMS=[47.09 47.818];
    m_proj('Equidistant Cylindrical','lon',LONLIMS,'lat',LATLIMS);
    img=Ii{i}.*MASK;
     map=m_pcolor(Plg,Plt,img);
    a=colormap(Iraqimarsh);
%     a=fliplr(a);
    set(gcf,'colormap',a);
    shading flat;
    m_grid('linewi',2,'tickdir','out');
    str=num2str(i);
   saveas(map,str,'tif');
end

Answer 1

[Walter Roberson]

Instead of str = num2str(i) use str = FileNames{i} where FileNames is a cell array of strings of the input file names.

Warning: this will destroy the original files. I would, at the very least, use

str = [FileNames{i} '.tiff'];

so that the output file name is not the same as the input file name.

[reyadh Albarakat]

Thanks for your reply.

I got this error

((Undefined variable "FileNames" or class "FileNames".))

[Walter Roberson]

As I wrote,

where FileNames is a cell array of strings of the input file names

Replace FileNames with the name of your variable that you stored your file names in. You would have created the appropriate variable when you created your Ii variable that had the content of the files.

[Walter Roberson]

Now that I can see the full code, which you had posted in a duplicate question instead of here, I can see that the variable name you used for this purpose is I

[reyadh Albarakat]

I have used

str = [I{i} '.tiff'];

But I got error here it is:

Error using horzcat
Dimensions of matrices being concatenated are not consistent

[Walter Roberson]

Sigh, you re-used a variable.

Change your code

I{i}= F_read(i).name;    
I{i} = imread(I{i});

to

FileNames{i}= F_read(i).name;    
I{i} = imread(FileNames{i});

and then later

str = [FileNames{i} '.tiff'];

[reyadh Albarakat]

Thank you so much Walter. You are the best:)

Reyadh