Re: [R] Loading an image/picture (png/jpeg/...) to screen...

2010-06-07 Thread Oliver
Joris Meys jorismeys at gmail.com writes: There might be a way doing that in R, but if you really need to take measures of a picture in some standardized way, I suggest you take a look at ImageJ. More than R that seems the right tool for the job. Some people have been experimenting with

Re: [R] Loading an image/picture (png/jpeg/...) to screen...

2010-06-07 Thread Gregoire Pau
The package EBImage provides general purpose functionality for the reading, writing, analysis and displaying of images. library(EBImage) x = readImage('lena.gif') display(x) ImageJ is OK to carry out some image processing operations. But if you need to perform quantitative image analysis

Re: [R] Loading an image/picture (png/jpeg/...) to screen...

2010-06-07 Thread Greg Snow
Healthcare greg.s...@imail.org 801.408.8111 -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- project.org] On Behalf Of oliver Sent: Sunday, June 06, 2010 5:46 AM To: r-h...@stat.math.ethz.ch Subject: [R] Loading an image/picture (png/jpeg/...) to screen

[R] Loading an image/picture (png/jpeg/...) to screen...

2010-06-06 Thread oliver
Hello, how can I load an external picture/image file to screen? I want to use locator() then to get coordinates of that picture... ...in other words I want to use R to do some measurements on a picture. Therefore I need to load the image into R display, and that displaying needs to work

Re: [R] Loading an image/picture (png/jpeg/...) to screen...

2010-06-06 Thread baptiste auguie
Hi, Try this, library(png) example(readPNG) HTH, baptiste On 6 June 2010 13:46, oliver oli...@first.in-berlin.de wrote: Hello, how can I load an external picture/image file to screen? I want to use locator() then to get coordinates of that picture... ...in other words I want to use R

Re: [R] Loading an image/picture (png/jpeg/...) to screen...

2010-06-06 Thread Oliver
baptiste auguie baptiste.auguie at googlemail.com writes: Hi, Try this, library(png) example(readPNG) [...] If rasterImage would be available, I think this would be the right hint. But it isn't. So I can load the pic, but not display it. :( Ciao, Oliver

Re: [R] Loading an image/picture (png/jpeg/...) to screen...

2010-06-06 Thread Joris Meys
There might be a way doing that in R, but if you really need to take measures of a picture in some standardized way, I suggest you take a look at ImageJ. More than R that seems the right tool for the job. Some people have been experimenting with connecting ImageJ and R, but even without connection

Re: [R] Loading an image/picture (png/jpeg/...) to screen...

2010-06-06 Thread baptiste auguie
On 7 June 2010 01:16, Oliver oli...@first.in-berlin.de wrote: baptiste auguie baptiste.auguie at googlemail.com writes: Hi, Try this, library(png) example(readPNG) [...] If rasterImage would be available, I think this would be the right hint. It is available when you use the latest