Image resize problem
For the life of me I can't figure out why this isn't working properly. I've been resizing images this way for months now and I must have changed some setting or whatever cause it simply doesn't work. Please be kind if I'm posting improperly as this is my first time posting here.
Here's the situation. I have an image below at resolution 5000x2048.
When I trim the canvas everything works properly as seen below.
Due to the Trim canvas, the image is now 2071x1252. I want to resize the entire image to 1680 & keep proportions as shown below.
Here's where I run into problems. I've never had it do this before, and I can't figure out how to fix it. When I resize the image, I get the following.
As you can see, the canvas resized properly, but the vectors resized a whole lot smaller. Any help would be greatly appreciated.
Message was edited by: A. Buskov
That's perplexing. Just out of curiousity: Is everything a vector, or is it a mix of vectors and bitmaps? It appears that some of the components resized properly, where others did not.
Since you know what dimensions you're shooting for, you could try reversing the order of things: resize, then trim. First figure out the percentage by which you were reducing the trimmed image size: 1680 / 2071 = 81.12%. Now apply that percentage to your initial image size: 5000 x 2048 becomes 4056 x 1661. Do the same sizing discrepancies occur? If not, then apply the Trim Canvas command, and you should be good to go.
Alternatively, if you're resizing this graphic for output, you could simply use the Image Preview dialog instead (after trimming).
Another troubleshooting idea: Have you tried saving the graphic immediately after applying the Trim command, and then resizing?
Finally, how about using Modify > Transform > Numeric Transform... and then choosing either Resize or Scale?
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Op 26 dec. 2014, om 00:50 heeft MediaGraphics <[email protected]> het volgende geschreven:
slideshow image resizing when adding new images
created by MediaGraphics <https://forums.adobe.com/people/MediaGraphics> in Adobe Muse Bugs - View the full discussion <https://forums.adobe.com/message/7043933#7043933>
Hi there Elsemiekagain,
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Most of it is not even things that could be easily put in words as instructions, as many are nanced. But in fairness, this version of Muse is a complete code re-write this year. So we do need to cut Adobe some slack, and give the team time to iron things out.
If the reply above answers your question, please take a moment to mark this answer as correct by visiting: https://forums.adobe.com/message/7043933#7043933 and clicking ‘Correct’ below the answer
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Besides being tedious and time consuming, can anyone recommend a better way for me to do these "one off" exports (seems to happen more often lately) without screwing around in Develop and messing up my original work?
Background:
One of the reasons I do this is to create wallpapers for computers, for various printing/framing proportions, and then for web site situations. Windows XP (and I think the others) gets really slow if the program must re-size an image for wallpaper (why? go ask Mr. Gates... better get in line). So to keep performance high, it is best to create the image in the exact pixel dimensions of the monitor. This is always some weird number and not like anything else I do this for. The other reason is for a quick, custom print job for someone who wants an odd matting setup for framing (don't ask). This results in odd proportions. Regarding the web.... well smooshing a pic into a column etc. etc... Now while I am proud of my art and understand LR3 will expect me to re-crop to preserve my artistic brilliance, but really..... I would be happy with a proportional crop from the parallel sides of the offending dimension.
Also, when I spec a dimension, shouldn't the DPI gray out? What am not understanding here?
One last request: please give me tips on solving for world peace... this one really bugs me.
Thanx in advance!Bruce,
As you correctly noticed, the WxH ratio in export represents a canvas, into which the exported image is fit. Here are some illustrations on what the different settings mean:
For what you are trying to achieve, you have to crop the image to the correct dimensions before doing the export. If I had to do it, I would create virtual copies of the original image as the last step and give each virtual copy its own crop, then export the virtual copies.
Bruce in Philly wrote:
Also, when I spec a dimension, shouldn't the DPI gray out? What am not understanding here?
The DPI resolution has no meaning for the size of the resulting image if you specify pixels in your export dimensions. But the resolution tag is written into the image, which might affect the way an image is printed, depending on the printing application.
But if you specify your export dimensions in inches or cm, the resolution together with the dimensions in inch/cm determine the size of the resulting image in pixels. I.e. if you specify 5x7" and 300DPI, your exported images size will be 1500x2100 pixels.
Beat -
Hi,
Can anyone tell me what the limits on the image resizing in Photoshop is. I need to run a regular batch of image resizing on about 38,000+ images (quiet a lot). I've also been looking around for a tool that can handle this number of images to resize, does anyone know if Adobe has such a tool?
Thanks
StephenI don't think there is an easy answer for you, if the files are on a server then there could be horrendous problems. You might need a custom script that breaks the batch into chunks and controled by Bridge.
Scripting expert Xbytor, has written scripts for people that does this sort of batch processing over at PS-Scripts.com, he may be able to help. -
Is it possible to optimize this Bilinear Image Resizing Method more?
I'm trying to write a speedy bilinear image resizer, for displaying images so it doesn't need to me 100% accurate, just look correct.
So far i've come up with
public static final Image resampleImage(Image orgImage, int newWidth, int newHeight) {
int orgWidth = orgImage.getWidth();
int orgHeight = orgImage.getHeight();
int orgLength = orgWidth * orgHeight;
int orgMax = orgLength - 1;
int[] rawInput = new int[orgLength];
orgImage.getRGB(rawInput, 0, orgWidth, 0, 0, orgWidth, orgHeight);
int newLength = newWidth * newHeight;
int[] rawOutput = new int[newLength];
int yd = (orgHeight / newHeight - 1) * orgWidth;
int yr = orgHeight % newHeight;
int xd = orgWidth / newWidth;
int xr = orgWidth % newWidth;
int outOffset = 0;
int inOffset = 0;
// Whole pile of non array variables for the loop.
int pixelA, pixelB, pixelC, pixelD;
int xo, yo;
int weightA, weightB, weightC, weightD;
int redA, redB, redC, redD;
int greenA, greenB, greenC, greenD;
int blueA, blueB, blueC, blueD;
int red, green, blue;
for (int y = newHeight, ye = 0; y > 0; y--) {
for (int x = newWidth, xe = 0; x > 0; x--) {
// Set source pixels.
pixelA = inOffset;
pixelB = pixelA + 1;
pixelC = pixelA + orgWidth;
pixelD = pixelC + 1;
// Get pixel values from array for speed, avoiding overflow.
pixelA = rawInput[pixelA];
pixelB = pixelB > orgMax ? pixelA : rawInput[pixelB];
pixelC = pixelC > orgMax ? pixelA : rawInput[pixelC];
pixelD = pixelD > orgMax ? pixelB : rawInput[pixelD];
// Calculate pixel weights from error values xe & ye.
xo = (xe << 8) / newWidth;
yo = (ye << 8) / newHeight;
weightD = xo * yo;
weightC = (yo << 8) - weightD;
weightB = (xo << 8) - weightD;
weightA = 0x10000 - weightB - weightC - weightD;
// Isolate colour channels.
redA = pixelA >> 16;
redB = pixelB >> 16;
redC = pixelC >> 16;
redD = pixelD >> 16;
greenA = pixelA & 0x00FF00;
greenB = pixelB & 0x00FF00;
greenC = pixelC & 0x00FF00;
greenD = pixelD & 0x00FF00;
blueA = pixelA & 0x0000FF;
blueB = pixelB & 0x0000FF;
blueC = pixelC & 0x0000FF;
blueD = pixelD & 0x0000FF;
// Calculate new pixels colour and mask.
red = 0x00FF0000 & (redA * weightA + redB * weightB + redC * weightC + redD * weightD);
green = 0xFF000000 & (greenA * weightA + greenB * weightB + greenC * weightC + greenD * weightD);
blue = 0x00FF0000 & (blueA * weightA + blueB * weightB + blueC * weightC + blueD * weightD);
// Store pixel in output buffer and increment offset.
rawOutput[outOffset++] = red + (((green | blue) >> 16));
// Increment input by x delta.
inOffset += xd;
// Correct if we have a roll over error.
xe += xr;
if (xe >= newWidth) {
xe -= newWidth;
inOffset++;
// Increment input by y delta.
inOffset += yd;
// Correct if we have a roll over error.
ye += yr;
if (ye >= newHeight) {
ye -= newHeight;
inOffset += orgWidth;
return Image.createRGBImage(rawOutput, newWidth, newHeight, false);
}I was wondering if anyone can see any problems with this, or suggest any faster ways of doing this.
Thanks
Edited by: chris.beswick on Nov 5, 2008 3:24 AM
Edited by: chris.beswick on Nov 5, 2008 3:40 AM - Changed title to reflect what I am after.Thanks for the reply.
Sadly, both the methods in the link are for simple nearest neighbour resizing, which looks god awefull. In addition the first one on the page is insanely slow only only needed with much versions of J2ME that do not support directly accessing pixel data from Image (via getRGB()).
I started with something like the second example, and have them tweaked it down while adding in the weighted re sampling of the 4 nearest pixels, to remove jaggies. I've managed to get my "bilinear" version to be only around 4 times slower than nearest neighbour, which given that it reads 4 times the data for each pixel is not bad... just wondering if I can go any faster :D
My current intention is it use a fast nearest neighbour while the image is being moved around / zoomed, and then when there is a pause in user input update the image with the bilinear image.
Also, I'm trying to use variables (xA, xB, xC, xD) in place of arrays(x[0], x[1]. x[2]. x[3]) as I've read somewhere it is faster as there is no need for bounds checks when accessing a variable unlike an array,
Finally, does anyone have any good ideas on using bit shifting to approximate all the multiplication (ie x << 8 instead of x * 256) of the pixels by weights, the resulting answer may be "wrong" but if it is close enough it might work.
Chris
Edited by: chris.beswick on Nov 5, 2008 4:14 AM -
Hi,
Description of the task:
I need to upload two images one is a full image and the other is a thumbnail representation of the same image of type jpg. I also need to ensure that all the uploaded images are within a given maximun size. For example:
Thumbs should be 76 x 55 pixels
FullSized should be 247 x 183 pixels
Task Achievements:
I've used the apachee commons package's FileItem class to handle retrival and storage of the image from the submitting servelet form.
Description of the Problem:
Don't know how to apply a proportional resize on the uploaded files (images) before storing them.
Other Questions:
1. Will the fact that conventional Buffered approach for reading files being not used hamper file manipulation?
2. Can a proportional Image resizing function be applied to images in java. (Similar to that of php)
3. Can an external php file be called or accessed from within java (a servlet) to perform the same functions of uploading an image and resizing it porportionally.private void uploadThumbImage(FileItem thumbImage, int eventId) throws JspException
// code for fikle uploade goes here
try
//write the orginalFiles
thumbImage.write(orginalThumbNail);
resizeThumb(eventId);
catch(Exception e)
ErrorPrinter(e.getMessage()+" Exception in Image Upload");
private void resizeThumb(int eventId) throws JspException
try
File loc = new File ("c:/"+eventId+".jpg");
BufferedImage storedImage = ImageIO.read(loc);
//ASSIGN MAXIMUM X AND Y FOR STORAGE
//1. set the expected allowable x and y maximum
double maxiumX = 75;
double maxiumY = 55;
//2. check that the image is not too long or too wide
double imgHeight = storedImage.getHeight()*1.0;
double imgWidth = storedImage.getWidth()*1.0;
if (imgHeight > maxiumY*2 && imgWidth > maxiumX*2)
maxiumX = maxiumX*1;
maxiumY = maxiumX*1;
else if (imgHeight > maxiumY*2)
maxiumY = maxiumY*2;
else if (imgWidth > maxiumY*2)
maxiumX = maxiumX*2;
//3. Scale for the width (x)
if (imgWidth > maxiumX)
imgHeight = imgHeight*(maxiumX/imgWidth);
imgWidth = maxiumX;
//4. Scale for the lenght (l)
if (imgHeight > maxiumY)
imgHeight = maxiumY;
imgWidth = imgWidth*(maxiumY/imgHeight);
Image testImage = storedImage.getScaledInstance((int)imgWidth,(int)imgHeight,Image.SCALE_AREA_AVERAGING);
BufferedImage biRescaled = toBufferedImage(testImage, BufferedImage.TYPE_INT_RGB);
if (loc.exists())
if(!loc.delete())
ErrorPrinter("File that already exisits with file name could not be removed - (Thumbnail)");
ImageIO.write(biRescaled, "jpg", new File ("c:/et_"+eventId+".jpg"));
catch (IOException e)
ErrorPrinter(e.getMessage()+" Exception in Image Resize");
catch(Exception e)
ErrorPrinter(e.getMessage()+" Exception in Image Resize");
private static BufferedImage toBufferedImage(Image image, int type)
int w = image.getWidth(null);
int h = image.getHeight(null);
BufferedImage result = new BufferedImage(w, h, type);
return result;
} -
Importing causes pixelation and image resize doesn't work - Elements 13 Macbook Pro
As I import any photos, from any place, when I open them, they appear pixelated. I watched some tutorials and used image resize, which doesn't do anything but change the size, even if the resolution is turned up. I also saw something about preferences, which didn't do anything, all versions are up to date. What is the problem? Why will it never change?
Hello Smis,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand you are having issues with your HP Monitor on your MAC. I am providing you with an HP Support document: Updating a Monitor Driver, where it states under the sub-heading Using HP monitors on a Mac "HP monitors are not supported in a Mac environment. However, newer Macs use graphics with VESA modes and can display to most HP LCD monitors. To do this, connect the monitor to the Mac while the Mac is off, and then turn on the MAC. The monitor should operate at 60Hz. The INF and software for the HP monitor are for Microsoft Windows and cannot be run in a standard MAC OS environment."
This being said all I can advise is that you check to see that the monitor is set to operat at 60Hz and contact Apple for assistance if that does not get your monitor displaying correctly.
I hope I have answered your question to your satisfaction. Thank you for posting on the HP Forums. Have a great day!
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
Dunidar
I work on behalf of HP
Find out a bit more about me by checking out my profile!
"Customers don’t expect you to be perfect. They do expect you to fix things when they go wrong." ~ Donald Porter
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