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Dreamweaver CS3 Essential Training
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Tracing images


From:

Dreamweaver CS3 Essential Training

with Garrick Chow

Video: Tracing images

In this movie we're going to take a look at how to apply a tracing image to a web page. Again, a tracing image is just a mocked up version of a web page that you might have created in {italic}Photoshop, Fireworks,{plain} or {italic}Illustrator,{plain} or any drawing or painting program of your choice. A lot of people like to mock up their pages first in drawing programs because it gives them a lot more flexibility to decide where different elements of the page are going to go. Once they have those decisions made, they can export those images as a JPEG, or GIF, or a PNG file, and bring them into {italic}Dreamweaver{plain} as a tracing image, and then you can start applying the actual real elements of the page, like images and text, using the tracing image as a guideline. I'm going to look inside that 09_layout folder we defined in the last chapter, and inside the assets folder is an image called landing.gif.
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  1. 1m 12s
    1. Welcome
      1m 12s
  2. 21m 0s
    1. HTML vs. XHTML
      3m 4s
    2. What is CSS?
      3m 48s
    3. What is XML?
      2m 11s
    4. What is DHTML?
      1m 9s
    5. What is JavaScript?
      1m 23s
    6. File naming conventions
      3m 22s
    7. What is an index page?
      6m 3s
  3. 46m 18s
    1. Setting up your workspace
      2m 39s
    2. The Welcome screen
      4m 11s
    3. Windows and Mac differences
      3m 18s
    4. The Insert bar
      4m 38s
    5. The Property Inspector
      1m 50s
    6. The Document toolbar
      6m 6s
    7. The Document window
      9m 11s
    8. Panels and panel groups
      6m 58s
    9. Saving workspace layouts
      2m 22s
    10. Defining a default browser
      5m 5s
  4. 24m 59s
    1. Defining a site
      9m 5s
    2. File and folder management
      3m 11s
    3. Understanding path structure
      3m 17s
    4. Adding content to a site
      6m 6s
    5. Creating a site map
      3m 20s
  5. 38m 39s
    1. Creating a new blank site
      6m 0s
    2. Creating and saving a new document
      7m 54s
    3. About DOCTYPE
      3m 59s
    4. Inserting images
      9m 26s
    5. Inserting text
      3m 35s
    6. Aligning text and images
      4m 9s
    7. Inserting meta tags
      3m 36s
  6. 45m 58s
    1. Link basics
      6m 4s
    2. Linking with Point to File
      5m 18s
    3. External links
      4m 15s
    4. Creating email links
      5m 49s
    5. Named anchors
      7m 37s
    6. Linking to a file
      7m 35s
    7. Image maps
      9m 20s
  7. 1h 8m
    1. About CSS
      4m 52s
    2. Anatomy of a style sheet
      4m 10s
    3. CSS and page properties
      10m 11s
    4. Moving an internal style sheet to an external style sheet
      6m 46s
    5. The CSS Styles panel
      3m 48s
    6. CSS selectors
      2m 37s
    7. Type selectors
      12m 13s
    8. ID selectors
      10m 21s
    9. Class selectors
      5m 42s
    10. Creating rollovers with pseudo-class selectors
      7m 22s
  8. 42m 54s
    1. CSS vs. the Font tag
      2m 42s
    2. Formatting text with the Property Inspector
      8m 41s
    3. What measurement should I use?
      3m 15s
    4. Managing white space with margins, padding, and line height
      8m 34s
    5. Using font lists
      5m 45s
    6. Aligning text
      2m 47s
    7. Creating lists
      5m 8s
    8. Creating Flash text
      6m 2s
  9. 43m 19s
    1. About tables
      1m 28s
    2. Tables in Code view
      2m 36s
    3. Creating and adding content to tables
      7m 40s
    4. Changing table borders with XHTML
      5m 46s
    5. Coloring tables with XHTML and CSS
      6m 41s
    6. Aligning table content
      6m 39s
    7. Sorting tables
      3m 6s
    8. Setting table widths
      4m 48s
    9. Creating rounded-corner tables
      4m 35s
  10. 28m 22s
    1. Dreamweaver's layout tools
      3m 8s
    2. Tracing images
      4m 58s
    3. Adding AP div tags
      7m 29s
    4. Working with Layout Tables
      6m 55s
    5. Adjusting table widths and nesting tables
      5m 52s
  11. 16m 19s
    1. What is a device?
      3m 14s
    2. Attaching a printer-friendly style sheet
      3m 5s
    3. Styling for print
      7m 41s
    4. Adobe Device Central
      2m 19s
  12. 29m 54s
    1. Rollover rules
      3m 31s
    2. Creating simple rollovers
      5m 36s
    3. Creating disjointed rollovers
      7m 12s
    4. Creating navigation bars with multiple states
      9m 21s
    5. Creating Flash buttons
      4m 14s
  13. 26m 32s
    1. Viewing the code
      6m 9s
    2. Editing in Code view
      3m 0s
    3. The Code toolbar
      5m 11s
    4. Working with Code Collapse
      4m 27s
    5. The Quick Tag Editor
      2m 20s
    6. Working with snippets
      5m 25s
  14. 32m 45s
    1. About forms
      3m 23s
    2. Adding text fields
      9m 52s
    3. Adding checkboxes and radio buttons
      5m 37s
    4. Adding lists and menus
      6m 5s
    5. Submitting form results
      3m 23s
    6. Styling form elements with CSS
      4m 25s
  15. 23m 17s
    1. Opening a new browser window
      9m 38s
    2. Creating a popup message
      2m 50s
    3. Validating text fields
      2m 42s
    4. Getting more behaviors
      7m 2s
    5. Removing extensions
      1m 5s
  16. 14m 58s
    1. External image editor preferences
      3m 18s
    2. Built-in image editing tools
      3m 11s
    3. Roundtrip editing from Dreamweaver to Fireworks or Photoshop
      4m 39s
    4. Copying and pasting
      3m 50s
  17. 34m 16s
    1. Templates in action
      5m 12s
    2. Creating a new template
      6m 36s
    3. Applying templates
      3m 36s
    4. Modifying a template
      1m 40s
    5. Adding repeating regions
      3m 28s
    6. Working with repeating regions
      3m 13s
    7. Adding optional regions
      3m 34s
    8. Creating a library item
      3m 48s
    9. Modifying a library item
      3m 9s
  18. 13m 2s
    1. Using the History panel
      4m 24s
    2. Saving History steps as commands
      3m 25s
    3. Using Find and Replace
      5m 13s
  19. 14m 44s
    1. W3C accessibility guidelines
      4m 6s
    2. Accessibility preferences
      1m 29s
    3. Inserting accessible images
      3m 2s
    4. Inserting accessible tables
      2m 53s
    5. Inserting accessible form objects
      3m 14s
  20. 26m 17s
    1. About media objects
      2m 6s
    2. Linking to audio and video files
      5m 56s
    3. Embedding audio and video files
      7m 7s
    4. Setting parameters
      4m 27s
    5. Inserting Flash content
      2m 37s
    6. Inserting Flash video
      4m 4s
  21. 28m 47s
    1. Getting site reports
      3m 35s
    2. Checking links sitewide
      3m 30s
    3. Signing up with Tripod
      6m 36s
    4. Entering remote info
      4m 13s
    5. Publishing your site
      5m 41s
    6. Updating and publishing pages
      5m 12s
  22. 44s
    1. Goodbye
      44s

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Dreamweaver CS3 Essential Training
10h 22m Beginner Apr 16, 2007

Viewers: in countries Watching now:

In Dreamweaver CS3 Essential Training, instructor Garrick Chow delves into the many powerful features of the latest version of this powerful web design application. He covers everything from the simplest basics of using Dreamweaver CS3 to applying it to develop a fully interactive, accessible site. Garrick explains the new interface features, and demonstrates how to create, edit, manage, design, and publish a professional website with Dreamweaver CS3 and complementary applications. Exercise files accompany the training.

Subject:
Web
Software:
Dreamweaver
Author:
Garrick Chow

Tracing images

In this movie we're going to take a look at how to apply a tracing image to a web page. Again, a tracing image is just a mocked up version of a web page that you might have created in {italic}Photoshop, Fireworks,{plain} or {italic}Illustrator,{plain} or any drawing or painting program of your choice. A lot of people like to mock up their pages first in drawing programs because it gives them a lot more flexibility to decide where different elements of the page are going to go. Once they have those decisions made, they can export those images as a JPEG, or GIF, or a PNG file, and bring them into {italic}Dreamweaver{plain} as a tracing image, and then you can start applying the actual real elements of the page, like images and text, using the tracing image as a guideline. I'm going to look inside that 09_layout folder we defined in the last chapter, and inside the assets folder is an image called landing.gif.

I'm just going to open that up in Preview here in Mac {italic}OS X,{plain} which is just an image viewing program. You can see here that this is the main Teacloud page that we've been working with all the way up to this point, but this is just an image of that page. None of these buttons are active, the text can't be selected because it's just a picture of text. Just imagine that we laid this out and created this in say, {italic}Photoshop.{plain} Now, instead of just printing this out and putting this on my desk next to my monitor and using it as a guide, I can actually paste this as a tracing image into {italic}Dreamweaver,{plain} and then put the real elements, these photos and buttons and text, over the tracing image, using it as a guide. Let's see how we do this. Let's go back to {italic}Dreamweaver,{plain} and all open up the index.html page here, which is just a blank page that's already been saved for us for our convenience. It already has the title "Welcome to Teacloud" in there. So, to apply a tracing image, we're going to go to our Page Properties, which again you can get to by clicking Page Properties down here in the Properties Inspector, or you can go to Modify > Page Properties. And you can see, we have a Category in here called Tracing Image.

And in here we can browse for the image that we want to use. I'll look inside my 09_layout folder, inside assets, and there it is. You can see that it's 700 x 538 pixels, which is a good size for a web page. We'll go ahead and click Choose. We see it's listed in there. We'll about with this Transparency slider in just a moment, but for now I'm going to leave that at 100% opacity, and we'll click on OK. So there is our tracing image. Now, it looks like a lot like this is a web page now, but what {italic}Dreamweaver{plain} has done here is it's placed this image on top of our page. If you look closely, you can still see a cursor flashing up here. If I just start typing, you'll notice that I'm actually typing over that tracing image. You can almost think of our web page as being a transparency sheet that we put on top of a picture, and we're just going to start typing, and adding images on top of that picture on that transparency sheet.

In fact, if I save this page, and go look at this in my browser, notice that the page appears completely blank. Tracing images only show up in {italic}Dreamweaver. {plain}If I go look at the code, what you see here is an attribute called tracing source, assets/landing.gif saying what that is. This is an attribute that only makes sense to {italic}Dreamweaver.{plain} Browsers don't understand this tracing source attribute, therefore they ignore it, which is why that tracing image only shows up in {italic}Dreamweaver.{plain} Same thing for the tracing opacity that we see here. Because we brought the tracing image at full opacity, it might become a little difficult or confusing when you start actually bringing in the real items onto the page. You might have trouble distinguishing your real elements from the tracing image.

So, if we go back to Modify > Page Properties again, go back to Tracing Image, this is when it becomes useful to reduce the opacity of the tracing image. I'll drag mine to about 50%, click OK. And, you can see now the tracing image is just sort of ghosted in the background, which will make it much easier to distinguish it from you actual elements I'm going to be placing on the page. Now, a couple things to note about tracing images: First of all, notice that there's a slight margin on the left side, and the top of the tracing image. The tracing image is not flush with the entire screen, but that's because all browsers have that border built in.

Unless you specifically decide to remove that border by going to Modify > Page Properties, and putting 0, 0, 0, 0 in left, top, right, and bottom here, you're always going to have that border. But, if you do go into Page Properties and add zeros here, you're going to want to reposition the tracing image so that it will look like there's no margin for the tracing image as well. You can do that by going to View > Tracing Image > Adjust Position. That allows you to change your X and Y coordinates. X being your left margin, Y being your top margin.

So basically, this is saying that the tracing image is 10 pixels from the left border of the window, and 15 pixels from the top border of the window. You can see that if you look at the rulers that we see here in {italic}Dreamweaver.{plain} But, I'm going to leave everything positioned the way it is, so I'm going to cancel out of here, and just work with the tracing image the way it is. One other thing to be aware about when you're working with tracing images, is once you apply a tracing image to your page, it's going to automatically hide any background image that you might have applied to the document while you were editing the document inside {italic}Dreamweaver.{plain} But as we saw, if you view the page containing the tracing image in a browser, the tracing image won't appear and the background image will appear. So again, tracing images are only visible in {italic}Dreamweaver.{plain} Alright, so that said, we're going to go ahead and save our page, and in the next movie we'll see how we can start adding elements to our page directly over the tracing image.

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