Tuesday, January 6, 2009

Image Data - for Pro's and Newbies



Pro's
If you are looking for some nice satellite images, the USGS Global Visualization Viewer is the tool for you. Once you scroll to the image you need, right click and choose "add to list". On the bottom left hand side, click the Download button to retrieve the image. Note that most images are downloadable but some are not. Tweak the date in the of the image to find a downloadable file.
You
can also choose the collection of images on the top "Collection" menu. The Landsat Archive - "L7SLC off (2003+)" are your best choice for up to date images. However, they have some annoying lines running through them, but still they are useful for a lot of scientific work. If you just need a nice backdrop image choose Landsat Decadal and "ETM+ Pan (1999-2003)". All images have a resolution of 30m or 15m (per pixel) if pan sharpened. For a groovy display of recent or temporal data use the L7SLC images and digitize interesting features as Shapefiles, then display them on the older ETM+Pan backdrop image.

If you are working in a country with a bad internet connection make sure you install a download manager before you start the download. This will help as it resumes downloads even if the connection has been interrupted or the computer has been shutdown.
The images are zipped and around 250mb. Unzipped, they will be around 1GB. Since you will get all image bands, use the open source software OS
SIM for stacking and pan sharpening your images. Here is the link to the PDF Tutorial for the easy to use and stable software.

To unzip the images you will need to use IZArc as Winzip will not do the trick.

If this stuff bores you and you want to explore other remote sensing data options such as radar etc. use NASA's EOS Data Gateway.

Newbie
If you are a GIS newbie and don't k
now about bands and all that fun stuff, you can download pretty good images (250m resolution) from the True Marble website.

A good alternative is also to embed Google Earth images into your GIS software. Download MapWindow GIS (easy to use and stable open source GIS application) along with the Google Earth plugin. After installation, open Google Earth and navigate to the image extent you need. In the MWG Plugin Menu, select Shape2Earth. The Shape2Earth menu will appear. Here, click on "Get image from GE" and save the image to your computer. It will be georeferenced. If you need the image in color use these instructions.


If the term GIS scares you and you just want to look at an image, use Google Maps or Google Earth. Or try FlashEarth which will also show you images of other digital globe applications.

For all users with a bad internet connection try saving the Google Earth images to your hard drive by caching them. This means you can view the images using Google Earth even though you are not online. It is quite easy to do. when you have internet connection, open GE and zoom to the image you would like to save. That's it! Now go offline and you will see that this image is saved when you open Google Earth and navigate back to the previous extent.

36 comments:

Brentles said...

Oooo, I actually just tried that flashearth site, pretty cool!

The zoom level sucks though for Penang, can't even see my house :-(

on-casino said...

스포츠토토

Howdy! I could have sworn I've been to this site before but after checking through some of the post I realized
it's new to me. Anyhow, I'm definitely delighted I found it and
I'll be book-marking and checking back frequently!

on-casino said...

토토사이트 Very descriptive post, I loved that bit. Will there be a part 2?

on-casino said...

토토사이트 Wonderful article! We will be linking to this great article
on our site. Keep up the good writing.

Majortotositepro1 said...

I have a hard time describing my thoughts on content, but I really felt I should here. Your article is really great. I like the way you wrote this information Landlord

메이저사이트
경마
바카라사이트
토토사이트

Majortotositepro1 said...

I wish more authors of this type of content would take the time you did to research and write so well. I am very impressed with your vision and insight

majortotosite
racesite
oncasinosite
totopick

totosite365.info said...

This is a great inspiring article. 토토

casinosite777.info said...

I will recommend your website to everyone.
카지노사이트

baccaratsite.top said...

I finally found great post here. Thanks for the information.
바카라사이트

safecasinosite.net said...

This content data gives truly quality and unique information. I’m definitely going to look into it.
온라인카지노

gostopsite 고스톱사이트 said...

Hello there! This post could not be written any better!
바카라사이트

sportstotomen 스포츠토토맨 said...

Very informative blog, This blog is very easy to understand when compared to other blogs.
토토

19guide03 19가이드03 said...

Thanks designed for sharing such a pleasant thinking, piece of writing is good, thats why i have read it entirely
먹튀검증

casinosite 카지노사이트존 said...

Thanks designed for sharing such a pleasant thinking, piece of writing is good, thats why i have read it entirely
토토사이트

casinositetop 카지노사이트 said...

I am glad to see this site share valued information Nice one!
바카라사이트
카지노사이트
온라인카지노
바카라사이트닷컴

San Francisco Deluxe Tour said...

A San Francisco Sightseeing Night Tours is a great way to discover the city after dark. You will locate excursions that range from cooling ghost strolls to our renowned sundown bay cruises to outings with food or beverages or both! One of my favorites is the night tour of Alcatraz. On this excursion, you get to see what it resembled to be inside this former federal jail during the night. Since they limit the people on the evening scenic tour, unlike throughout the day, you have even more room to move around and get a feel for the tales as well as events that happened there. San Francisco Hop On Hop Off

Phone Systems for Small Business said...

Every thriving company needs a Business Phone Systems Denver to manage boosted call quantities that come with even more company. A common phone with a single phone line is prone to be active and can jeopardize your sales and support efforts. It can turn away beneficial clients and obstruct prospecting. A multi line phone tools for small business can offer more than one phone call at once as well as includes various other important functionalities. If you're pondering changing to a Phone Company Las Vegas, then we've curated a guide to assist you shortlist a company for the best service phone lines. Phone Company Las Vegas

Preslin said...

This is one the finest blog post I have read it in recent times. Thanks for sharing this beautiful post. Keep sharing more interesting and informative blogs like this. DUI Lawyer Henrico VA

Bella spa said...


Wonderful blog thanks to share here i like this so much.
we are Bella spa in Bangalore and providing massage in Bangalore to fulfil needs visit once here.
Body massage in Bangalore

shanjanaarora said...

we have a good servi hot massage in chennai

izspa.net said...

By incorporating principles of unity and non-judgment, Breema offers a holistic approach to well-being that supports both body to body massage centres near me the giver and the receiver in their journey toward greater presence and wholeness.

lishasingh said...

Visualization and Intention: Discussing the massage parlour near me role of visualization and intention in Healing Touch, as practitioners channel healing energy and set positive intentions.

rennasweety said...

Sensual massage is a way to incorporatespa near me
the sense of touch into sexual activity

nancysweety said...

As well as encouraging improved wellbeing, lingam massage can bring a adultmassage in punenumber of sexual benefits too.

lipikabri said...

Common sense says that taking in the female to male body massage in hyderabad sights and sounds of the forest can help you relax

Steve Williams said...

When you receive a traffic violation, the penalties can range from fines and license suspension to increased insurance rates and even jail time, depending on the severity of the offense. A traffic lawyer works diligently to mitigate these penalties, aiming to secure the best possible outcome for your case. Loudoun Traffic Lawyer

Anonymous said...

Image data consists of visual information in digital form, often represented as pixels. Professionals use it for various applications like medical imaging and computer vision, while newcomers can appreciate its role in social media, photography, and graphic design. Understanding image formats and processing tools is key for both groups. family law retainer fee

Ramya Spa said...

This blood orange massage oil entices female to male massage at home all the senses with a citrus aroma. Infused with Jojoba seed oil and Woodsy Laurel Leaf, this oil will leave your skin feeling soft and smooth.

Wilson said...

This blog post on image data is a fantastic resource for both professionals and newcomers in the field. I'm just starting to explore image processing, and your explanations are clear and easy to follow. Can you recommend any beginner-friendly tools or software for working with image data?
formularios de divorcio no disputados de virginia


Divorcio rapido no disputado en Virginia

thomas said...

Amazing, Your blogs are really good and informative. I got a lots of useful information in your blogs. On the bottom left hand side, click the Download button to retrieve the image. Note that most images are downloadable but some are not. Tweak the date in the of the image to find a downloadable file tax and estate lawyer. It is very great and useful to all. Keeps sharing more useful blogs...

Richard said...

Dui lawyer dinwiddie va
Secure experienced legal representation for DUI cases in Dinwiddie, Virginia. A skilled DUI lawyer can navigate the legal process, protect rights, and pursue favorable outcomes for clients.

victortimely123 said...

Hats off to your exceptional blog! Your relentless pursuit of delivering impactful and intriguing content is truly commendable. Your expertise shines through in every post, making your blog an absolute gem for enthusiasts. Heartfelt thanks for consistently providing such top-notch and engaging content.Middlesex County Driving Without a License Attorney and Middlesex County Driving Without a License Lawyer

Stephen John said...

Motorcycle accident attorneys specialize in representing individuals impacted by motorcycle collisions. Possessing profound knowledge of traffic laws and the unique challenges faced by motorcyclists, these lawyers navigate the complexities of accident cases. motorcycle accident attorneys

Grace Brown said...

bankruptcy lawyer near me
The article on Image Data - for Pro's and Newbies provides a comprehensive guide to understanding and utilizing image data, catering to both professionals and newcomers. It highlights the importance of image data in fields like computer vision, medical imaging, and digital marketing. However, it could benefit from more practical examples and case studies. The article also includes tips for data collection, preprocessing, and analysis, explores emerging trends, addresses common misconceptions, and suggests resources for further learning. Overall, it serves as a valuable resource for anyone interested in image data analysis.

Joseph Kuruvilla said...
This comment has been removed by the author.
Joseph Kuruvilla said...

abogado de lesiones por accidentes de motocicleta
The guide aims to provide a comprehensive guide for professionals and newcomers in image data, offering step-by-step tutorials for beginners and advanced techniques for professionals. It includes real-world examples and case studies to make the content relatable and valuable for diverse audiences. Interactive elements like quizzes or challenges can engage readers. The guide addresses the latest trends and innovations in image data processing, ensuring it remains current and aligns with industry advancements. It encourages community participation through user-generated content and success stories, and concludes with a resource section providing recommended tools, software, and further reading materials to empower readers on their journey to mastering image data.