Ubuntu :: Enlarge Image Canvas Using ImageMagic
Dec 28, 2010
The one thing that I can't learn to do is to expand the canvas size. So if the ratio is 3x2, I want to add extra white space to make it 3x3. If I use the -geometry function, it enlarges the image to the proportions I want, but it loses the aspect ratio.
If you turn to page 377 (or 388 in PDF) of the User Manual, under "Montage", you'll see that ImageMagic can do what I want. The thumbnails in the example image are all of different proportions but the alloted space is 1x1 for all.
However the documentation on this function is pretty bad! Does anyone know how to do this?
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Jan 1, 2011
Does anyone know how to get HTML5 canvas to work in Internet Explorer? I tries to do it using excanvas and jqcanvas but had trouble using them.
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Aug 19, 2010
I'm having issues changing the canvas size. I'd like to overlay two graphs and hence I wish to extend the canvas and shift one graph up and the other down and perform an overlay. Everytime I attempt to change the canvas size I run into issues with the canvas not being able to extended to twice the height. I am changing the dpi values. Anyone know a smart way of doing this? I am changing through the print setup options.
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Mar 12, 2010
I'm converting pages in PDF to images in the following way: convert file.pdf out.jpg In this way I get in the current dir files with these names: out-0.jpg (first page), out-1.jpg (second page), out-2.jpg (third page) and so on. You can see the increment counter begins at 0. Can it be done to begin at 1, so I would get these names: out-1.jpg (first page), out-2.jpg (second page), out-3.jpg (third page)?
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Jul 13, 2011
I may be using the wrong words to search but I'm not finding what I want.I would like to take a 10 sec video, 300 frames, convert it to individual frames convert them to line drawings and then reassemble them into an animated GIF. Both 'gimp' and 'mplayer' will do to make the frames. Is there already in existence a script file using imagemagic that will convert the pictures to line drawings without color? Or maybe several scripts that can be put into a step through 'bash' script.
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Mar 4, 2011
I recently enlarged my Root and Home partitions and in the process was left with 1.69 GB of unallocated space next to Swap(see image). Not quite sure how it happened this way but for some reason I was unable to grab all the unallocated space available when enlarging either Home or Root. What I am wondering is there any reason why I couldn't enlarge Swap and thereby use up that unused 1.69 GB? Would there be any minor advantage to this? Also if I did this would it simply be a matter of booting from Live Disc and running GParted with Swap off and grabbing that space?
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Mar 6, 2011
Is there a way to increase the area around a window that can change its size? When I'm using the touch-pad I'm not that stable (to much coffee) and find it really had to get the mouse to sit on the one pixel that allows you to resize a window. Or another way to resize a window?
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May 13, 2011
I am trying to grow my array to make full use of my drives. I have a raid 6 using mdadm on my home server. The array used to consist of 6 1.5TB drives when it was created. Since then I've been replacing the 1.5TB drives with new 2TB drives. And now I have replaced the last 2 drives.
When I added the first 3 disks I did not use the whole disk for the raid partition but rather made it the same size as the 1.5 partitions. As it turns out this may have been a bad idea. (But it gave me another 3 partitions of 500GB that I turned into 1 disk using mhddfs.)
Now I'm trying to grow the array. I've been testing in a virtual enviroment on how to do it but I cannot find another method than this :
1) fail 1 disk.
2) re-partition the disk with the size of the whole disk.
3) re-add the drive as a spare.
4) start the now degraded array to let it resync.
5) wait quite a while. (aprox 5 hours)
6) start again from step 1 for the other disks.
7) use mdadm with grow command to enlarge the array
use resize2fs to fill array to max size
Now although since this is a raid 6, I keep some redundancy but I still worry about degrading the array so manny times and rebuilding the whole thing. I mean I read the thing out 3 or 4 times over doing this.
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Jun 10, 2011
I've installed fedora on my PC by reducing the existing NTFS partition and installing Fedora on free space at the end of the disk. Now I'd like tho enlarge fedora's partition. How can I do this? If I just move the partition back in disk, can I boot normally on fedora?
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Jan 31, 2010
I ran a program under WINE and when it terminated, suddenly lots of programs were running with tiny fonts, including Google Chrome, Unison, and PLT Scheme. I think what these programs have in common is they all use GTK. I am running Debian Linux without a Gnome desktop. As suggested on the web, I put this text in ~/.gtkrc-2.0:
style "user-font"
{
font_name="BitStreamVeraSans 14"
}
widget_class "*" style "user-font"
gtk-font-name="BitStreamVeraSans 14"
Unfortunately this change has had no discernible effect.
How can I escape the land of tiny-fonted ones?
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Jan 22, 2011
Trying to refresh my diseased memory & tell me how to expand/enlarge trash folder?
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Jul 28, 2010
First thing I do is double click the top of the window to enlarge it and when I do that the window enlarges correctly, but it also lunches an app like the double click lags behind to click on an app after the window enlages, im using the 64bit version.
If u dnt knw wat I mean please try it out and tell me how I can fix this, just double click a sized window to make it fullscreen and tell me wat happens.
I also would like to knw if maybe its the fact that im using the 64bit version and that its glitchy.
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Jul 2, 2011
I want to increase the size of my Linux partition (yellow and highlighted in image), which is situated in an extended partition, along with my biggest partition.
When I try to select the options from any partitioning software (EASUS, Paragon, Gparted) the option to resize is not available (or can't enlarge).
For example in the Paragon Hard Disk Manager, I can't add free space before the partition, even if I first shrink the "G:" partition, then try to enlarge the one with Linux.
Do you know what's happening here? Why am I not allowed to resize the partition?
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Apr 9, 2010
How to zoom in (enlarge font) in Emacs? Is there any simple way to do this?
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Mar 19, 2016
I have a 500 GB dual boot debian jessie + windows laptop; I intend to erase windows completely and add the extra space to my existing /home partition. What is the best way of doing it without harming data in my present /home partition?
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Oct 6, 2010
I have recenly upgraded my avast. But it windges. Warning SHM limit is set to 33554432 enlarge kernel.shmmax Ok how? presumable I have to re compile the kernel?
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Dec 5, 2009
I have a server with centos 5, with two hd, i did a fresh installation with cenTOS using the 2 hard disk, now we need enlarge with other hard disk more, can some one explain how to enlarge the space of disk without re-install the operative system?.
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Jun 18, 2011
I just installed 10.04 Ubuntu and allow the Manager Updates.
Movie Player and PitVi apps seems to disappear when I load a clip and enlarge the window.
Movie Player will allow a smaller window and the clip to be played but once I stretch the window, it disappear Nope, its not as though I "floored" that window. It's gone.completely.
PiitVi, when loading a clip, once its full loaded, it disappears.
I did try installing and re-installing but same results.
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Nov 23, 2010
I have my partitions as follows:- Windows 7- UbuntuIf I shrink the Windows partition will I be able to enlarge the Ubuntu root partition with gparted live cd?I know I can add space after Ubuntu but can it be done before it?
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Jun 2, 2010
extended sata partition shrunk at 15 partition limit, how to re-enlarge i hit the 15 partition limit, forgetting it now exists for sata drives, thinking i would add more. upon creation of the 15th, it squished the end of the extended partition to meet the last logical partition, leaving a large unallocated portion after the extended partition, which seemingly nothing can be done with, just sat being wasted space. i have since deleted a few of those partitions, but so far have still failed to find a way to recoup the unallocated space back into the extended partition.
[URL]
if necessary, i'll do it the painful long winded way of backing up and starting the extended partition again from scratch, but i really rather wouldnt have to do that. i'm sure there must be a way of telling the extended partition to once again reach the end of the drive.
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Jan 16, 2011
When playing dvd's, vob files and wmv files, the image comes with high contrast colors ,very intense red/green/blue. very dark too. I have vlc 1.1.4 installed, using ubuntu 10.10, libdvdcss2 installed. for the rest of the video formats it seems to work fine. any ideas on what should I start debugging?
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Feb 16, 2011
I was given a forensic Image which I now know is a DD image of the drive (Vista) and am trying to mount the image or extract the image to another drive. I'm not sure of the extention type or if the image is a partition or the entire drive. I think it is the entire drive.
Is it possible to mount a DD image to a device. If I can't do that I just want to extract the files to run some programs against the drive. Can I view the files under Ubuntu or do I have to remove the drive and stick it into a Vista computer.
I purchased a second drive today and was hoping the command line would be something simple.
Or am I on the wrong track, should I be doing this all in a windows environment. The reason I picked ubuntu was because of the reporting tools.
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Jul 15, 2010
I would like to change my startup image (usplash image). For that i change /lib/plymouth/themes/ubuntu-logo/ubuntu_logo.png and /lib/plymouth/themes/ubuntu-logo/ubuntu_logo16.png. Then the splash screen of shutdown screen changes .But booting screen doesnot change.
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Nov 24, 2010
I have just exported 3 png files out of gimp for a html document I'm working on right now, and they are all almost the same, except I need each to load when the user does something. So the first image will display on the page, and when a user puts their cursor over it, then it will load image 2. When they press it, it loads image 3.
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May 11, 2011
I have a Canon iR3570/iR4570 PXL, and installed the driver CQue 1.0 TCP/IP Queue from Canon webpage.
The problem:
- if i try to print an OpenOffice or LibreOffice Calc with an image and text, the image is not printed (the space is blank).
- if i try to print an OpenOffice or LibreOffice Calc with just an image, it's printed great.
- if i try to print an OpenOffice or LibreOffice Impress, the images are not printed but the text is printed great.
[Code]..
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Jul 6, 2010
Iam looking for an Image viewer that lets me delete images through an 'delete' button/option in toolbox.. Most of the image viewers uses edit menu-->delete option,but iam looking for an direct link,clicking on which deletes the image currently open in image viewer
???
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May 21, 2011
WTF why is it with every update the devs try to break something. Might as well be using Ubuntu at this point and No I do not want to install Stable. Todays updqate would bring in linux-image-2.6.39-1-686-pae linux-image-686-pae, but my CPU Single core Intel Pentium M (-UP-) cache 1024 KB flags (sse sse2) bmips 1196.07 clocked at 600.00 MHz doesn't use PAE so it told me to remove linux-image-686 and to install linux-image-486. So more shiny crap that doesn't support older hardware, it is getting to be as bad as Microsoft.
Why don't I just go upgrade or buy new hardware with every new shiny crap that wants to upgrade. If it isn't broken do NOT fsck with it.
[Code]...
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Dec 16, 2015
I am trying to upload some pics on my Facebook account using Firefox. When I click on Facebook's file upload icon, Firefox bring up a 'File Upload' window. I noticed that smaller image file is previewed on the lower right hand corner, while bigger image file is not. Is there anyway I can change this behavior or maybe change what Firefox is using to browse my files?
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Aug 28, 2010
Just installed Virtual Box and I want to run XP from an ISO image. How do I select the media I need to run Virtual Box? I have had a look through the manual and cannot see how to. When I clicked on the start button it does not give me an option to select an ISO image.
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Jan 20, 2010
i have this .gi image that i want to mount is there any way to convert it to an iso or any other mountable format?
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