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6 Replies and 1961 Views
Saving, restoring, re-plotting a plot object 1961 6
Started by Deleted User
Hi folks
I'm new to object oriented programming but have certainly learned to appreciate the utility of the new plot functions introduced in ver 8. Once I produce a plot reference using (for example) p = plot(args), and then do a series of property modifications on it (i.e., p.title = 'string', etc), I end up with this really useful thing, namely the reference p that has all the properties and data in one place.
My question is this: once I close the plot window the plot is gone, I still have t...
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6 |
1961 |
23 Jan 2014 04:00 PM |
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8 Replies and 4556 Views
IDL cannot read TIFF file? 4556 8
Started by Deleted User
Hi,
I want to read a tiff file, but get the fellowing error:
IDL> ok = read_tiff('D:\15.tiff')
READ_TIFF: AdobeDeflate compression support is not configured
Execution halted at: $MAIN$
So, how can I resolve this with IDL 8.2.3.
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8 |
4556 |
22 Jan 2014 10:26 PM |
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1 Replies and 1420 Views
Possible bug in MAP_PROJECTION of an image 1420 1
Started by Deleted User
Hello,
When using IMAGE() with the MAP_PROJECTION and GRID_UNITS properties set, the first row and column of my image are ignored. Is this a bug, or some subtlety of map projection that I'm missing
Cheers,
A
e.g.
;; Define an image
im=BINDGEN(3,5,4)*21b
;; And plot it normally
i0 = IMAGE(im,AXIS_STYLE=2,IMAGE_DIMENSIONS=&91100,80&93,IMAGE_LOCATION=&91-50,-40&93,LAYOUT=&912,2,1&93)
;; Now add GRID_UNITS=2 to define lat/lon and MAP_PROJECTION keywords
i...
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1 |
1420 |
22 Jan 2014 05:40 AM |
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1 Replies and 1313 Views
library compatibility 1313 1
Started by Deleted User
Is it possible to use IDL8.0 library with IDL6.4
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1 |
1313 |
21 Jan 2014 10:59 AM |
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1 Replies and 2042 Views
How to convert a .tif movie file to a .pma file 2042 1
Started by Deleted User
Hello,
I have a .tif movie file, which contains 100 .tif image (512x512) files. Now I have a IDL based script for .PMA file (512x512) analysis:
--------------------------------------------------------------------------
openr, 1, Name ".PMA"
; figure out size allocate appropriately
result = FSTAT(1)
readu, 1, film_x
readu, 1, film_y
film_l = long(long(result.SIZE-4)/(long(film_x)*long(film_y)))
print, "film x,y,l : ", film_x,film_y,film_l
-----------...
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1 |
2042 |
20 Jan 2014 05:13 PM |
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1 |
1693 |
17 Jan 2014 01:01 PM |
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2 Replies and 1495 Views
geometry_doit not working 1495 2
Started by Deleted User
Hi, I am trying to develop a script which will obtain AVHRR sensor viewing angle. In ENVI this would be the AVHRR Geometry tool. Unfortunately I run into error messages when I try to automate this in IDL using the envi_avhrr_geometry_doit command. Specifically the error states: 'Variable is undefined: WL' however the 'WL variable is not explained within the tool documentation.
I am fairly new to IDL scripting so I am sure I am making a simple mistake somewhere but any advice you can offer would...
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2 |
1495 |
17 Jan 2014 08:18 AM |
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4 |
1249 |
16 Jan 2014 06:33 PM |
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3 Replies and 1526 Views
Plotting a symbol on a logged scale 1526 3
Started by Deleted User
Hello,
I am having problems overplotting a symbol on a plot that has a logged axis. For example, when I use the commands below, the symbols are not placed in the appropriate position (I tried uploading my example plot, but I received a permissions error). I would like to put a symbol at the &912,2&93 position, but that particular symbol is outside of the graphics domain. It is also unclear why the 0.1, 0.2 & 0.5 symbols are on the plot when they are not within the X and Y range of the plot....
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3 |
1526 |
15 Jan 2014 12:48 PM |
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1 Replies and 1417 Views
idl crashes without any warnings 1417 1
Started by Deleted User
Hi
I am using IDL 8.1. Since the begining of january 2014, my idl environment crashed without any reasons (It just close my workbench and i have to open my project again). I am working with IDL all the day and i have this trouble about 10 times per days.
I never had this trouble in 2013....
Is there an update to do to avoid this trouble
Thanks a lot
Aurélien Boulben Xeosimaging
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1 |
1417 |
15 Jan 2014 06:17 AM |
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2 Replies and 1327 Views
Local Minima/Maxima 1327 2
Started by Deleted User
Is there an IDL method for finding local minima/maxima within an image Or something akin to morphological reconstruction (greyscale) whereby local minima and maxima can be derived
The watershed function mentions local minima, but for better results use markers, which comes back to a method of automatically finding those markers ie the local minima.
Cheers
Josh
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2 |
1327 |
09 Jan 2014 05:28 PM |
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1 Replies and 1406 Views
Errorplot errorbar thickness 1406 1
Started by Deleted User
Hi
I am using function graphics
p1=ERRORPLOT(xrangetotal_rad, rad_mean,rad_eom ....).
How do I control the thickness of the error bar.
GlanPlon
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1 |
1406 |
08 Jan 2014 04:04 PM |
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1 Replies and 1578 Views
Does IDL 8.3 support OPeNDAP in windows? 1578 1
Started by Deleted User
Hi, guys:
Does IDL 8.3 support OPeNDAP in windows If not,
is there another way to access OPeNDAP with IDL in windows
Very thanks!
Dave
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1 |
1578 |
05 Jan 2014 02:32 AM |
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2 Replies and 1409 Views
COLORBAR 1409 2
Started by Deleted User
Hi,
I'm having some problems with COLORBAR. The code segment below worked fine in v8.2 in generating a colorbar with a discrete number of tick labels. In 8.3, however, the number of tick labels is the same as n_levels in the contour command. This is problematic when there are a large number of levels. The MAJOR=n command in colorbar doesn't seem to work. Any help would be much appreciated.
z1=contour(data,x,y, $
n_levels=128,/fill,rgb_table=27,$
titl...
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2 |
1409 |
03 Jan 2014 02:02 PM |
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13 Replies and 3128 Views
Problem with IDL interaction with ImageMagick 3128 13
Started by Deleted User
I am trying to use the ImageMagick convert command from within IDL to convert a Postscript image (.ps) to a PNG image (.png). I'm using IDL8.2.3 on a Mac under OSX 10.8.5. Working from the shell, I can issue the convert command successfully:
bash-3.2$ convert test1.ps test1.png
From within IDL however,
IDL> spawn, 'ls *.ps' spawn, 'which convert' spawn, 'convert test1.ps test1.png'
Error messages:
convert: bad parameters to zlib `/var/tmp/magick-30135vlJiOsIjJHD...
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13 |
3128 |
29 Dec 2013 03:15 PM |
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3 Replies and 1741 Views
sift algorithm in IDL 1741 3
Started by Deleted User
I want to match between images by sift in IDL. Whether is the sift in IDL or should I write it by myself
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3 |
1741 |
28 Dec 2013 08:21 AM |
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1 Replies and 1342 Views
load ROI and obtain ROI ids? 1342 1
Started by Deleted User
Is there a way to load an ROI file and obtain the ROI ids that were loaded Currently, I delete all ROIs in memory, load the ROI file, and then get all ROI ids in memory:
; Close all ROIs
roi_ids = envi_get_roi_ids()
foreach roi, roi_ids do begin
ENVI_DELETE_ROIS, roi
endforeach
; Open ROIs and get ROI IDs
envi_restore_rois,roiFilename
roiIds = ENVI_GET_ROI_IDS(roi_names=roiNames, /short_name)
The side effect of removing all ROIs except for the one that is loaded is...
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1 |
1342 |
19 Dec 2013 12:54 PM |
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2 Replies and 1804 Views
(join) .csv files 1804 2
Started by Deleted User
Hi all,
I have a problem due to the procedure called "write_csv.pro" (http://www.exelisvis.com/docs/WRITE_CSV.html) does not allow me to include more than 8 data.
First of all I would like to know if I can change the limitation of data that can be read (honestly, I do not how to do it)
In my main procedure what I want to do is join the outputs of this procedure which are .csv files (csv_file1, csv_file2, csv_file3). Is there anyway to join this three .csv files obtaining just o...
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2 |
1804 |
19 Dec 2013 02:15 AM |
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3 Replies and 1443 Views
New Graphics routines compatibility with Direct Graphics windows ? 1443 3
Started by Deleted User
Hello,
Is there a way to use a *new graphics* (NG) function (such as BARPLOT) within a *direct graphics* (DG) window
For example, BARPLOT (NG) has some useful new features such as N_BARS parameter which doesn’t have BAR_PLOT (DG), but NG are too bandwidth consuming to use IDL from a remote computer (through sshX11).
Thanks,
Guillaume
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3 |
1443 |
17 Dec 2013 02:49 AM |
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7 Replies and 2350 Views
Multi-temporal MODIS NDVI Stacking.... 2350 7
Started by Deleted User
I want to use MODIS multi-temporal NDVI images for a prolonged period of time. How can I stack all the images into one single file using IDL The estimated output will be a plot (of each single pixel) showing the change in NDVI over time.
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7 |
2350 |
13 Dec 2013 07:12 PM |