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Adding arrows to images

From: Photoshop CS3 Extended for BioMedical Research

Video: Adding arrows to images

While Photoshop's origin was as a pixel based image editor, over its development, it has acquired quite a bit of vector editing abilities. Besides the text support, it has multiple shape tools and can be used to annotate images in clear and focus viewers. In the previous videos, I have showed how to add the text. In this video, we are going to cover adding arrows using two different techniques: both the Line tool and built-in shape outlines. So let's cover the first using the Line tool.

Adding arrows to images

While Photoshop's origin was as a pixel based image editor, over its development, it has acquired quite a bit of vector editing abilities. Besides the text support, it has multiple shape tools and can be used to annotate images in clear and focus viewers. In the previous videos, I have showed how to add the text. In this video, we are going to cover adding arrows using two different techniques: both the Line tool and built-in shape outlines. So let's cover the first using the Line tool.

When anytime a vector shape is added, it should be on a separate layer, so that way you can re-arrange the individual components independently. So, the first thing we are going to do is add a new layer, go down to the bottom of the Layers panel, select Create A New Layer. We could also have used the keyboard shortcut, Command+Shift+N or Ctrl+Shift+N on the PC. What else is helpful is if we turn on under the View > Extras, and Show, we are going to turn on the Grid and we will leave the Smart Guides on.

So now we are able to position things according to the grid, so as we can make sure that they relate properly. To find the Line tool, go near the bottom of the Tools panel and underneath the rectangle, these are the different vector shapes, we have the Rectangle tool, we will pull out and we can then select the Line tool from this menu. Up above, we can see the Options bar has changed and we can pick the different shapes from here as well as each shape has a pull-down menu that gives us additional control.

In this case, the Line tool has arrow support built-in. We can have an arrow at the start of the line or at the end of the line, control the Width of the arrowhead and the Length of the arrowhead. These percentages are as a comparison to the weight of a line and lastly, we can control Concavity which is how curved the back of arrowhead is. Our first line, we are going to build from the start. So, we will turn off the end and we will keep the Width to 250 and the Length at 250 and we want Concavity to be to zero so we can use the Scrub on the word holding down the button and we will just bring that to zero. We are ready to go, we'll close out this menu, we have a new layer that we are working on, I am holding down the Shift key, so it's a horizontal line. We are going to draw a line from the Lumen in the picture to the text label. I will hold down the Shift key so it's a horizontal line, I draw towards the name. I let go and I have my first arrow.

I can use the Move tool. I can either go to the Tool panel and select it or hit V. I can position this arrow accordingly. The second arrow will have to go on a separate layer. So, I do Ctrl+Shift+N or Command+Shift+N on the Mac, hit OK. I want to select the Line tool so I just hit U and I am going to customize it now starting, the arrowhead will be placed at the end of the line I draw, not at the beginning. Close that menu out and I align this up with the arrow above, hold down the Shift key, so it's horizontal and draw out my line. There is my second arrow.

The third object will be a double- headed arrow and it will expand the length of Lipid/ Necrotic Core. In this case, I want to make it red so I can go down to the bottom and select my color, click once on the foreground color and here, I will just type in 255, so it's a perfect red, hit OK, go to my Arrowheads controls, make sure it draws from the start and the end. And before I draw this line, what do I want? I want a new layer. So, Shift+Ctrl+N, Command+Ctrl+N on the Mac, hit OK. Now, I can draw out my third shape, a double-headed arrow from the underneath of the fiber's cap to the beginning of the Media. And that's the three different arrows you can create using the Line tool.

Ca Now, we are going to use one of the preset shapes that Photoshop supplies. I want to make sure it's going to be black. So it's easy, it's good practice to reset to default. So, you end up using black if that's what you mainly want to use. So, we can hit this icon here at the bottom of Tools or also hit the keyboard shortcut D, will do insert default colors. We are going to use a Custom Shape tool, click on the amoeba and we can see right now, there is one arrow that happens to be selected. If we pull down this menu, we can see a few other custom shapes Photoshop supplies. If you want to see all of them, hit the small icon in the top right corner and you can add specific families or all.

In this case, I will add the arrows family. I will append it to the bottom and I will select this arrowhead shape and now when I place my cursor down, it will draw out that shape, allowing me to resize as needed. There we go. That's very nice and then we can use our Move tool to position it. Prior to adding this shape, we want to create a new layer. Ctrl_Shift+N or Command+Shift+N on the Macintosh, hit OK and now when we place our arrow, we'll just click on the button and our arrow we are able to resize whether it's wide, long, short, however we'd need it. And now, we will select V or the Move tool to be able to position this right at the Media.

So now we have covered basically the ways to create arrows. That's the quick way to create arrows whether it's using the Line tool or the built-in shapes. In the next video, we are going to cover adding an additional vector shape, a box to highlight a specific area.

Show transcript

This video is part of

Image for Photoshop CS3 Extended for BioMedical Research
Photoshop CS3 Extended for BioMedical Research

80 video lessons · 4718 viewers

Eric Wexler
Author

 
Expand all | Collapse all
  1. 7m 59s
    1. Welcome
      2m 39s
    2. Disclaimer
      1m 44s
    3. Exercise files
      46s
    4. Understanding Photoshop CS3 Extended
      1m 42s
    5. Understanding which versions are covered
      1m 8s
  2. 20m 31s
    1. Understanding imaging in biomedical research
      5m 16s
    2. Understanding research image workflows
      4m 6s
    3. Understanding image fundamentals
      3m 29s
    4. Understanding image detection
      7m 40s
  3. 16m 48s
    1. Understanding digital images
      5m 28s
    2. Understanding image file types
      6m 34s
    3. Understanding objective imaging
      4m 46s
  4. 22m 2s
    1. Understanding the default workspace
      4m 0s
    2. Creating a custom workspace
      5m 31s
    3. Working with keyboard commands
      4m 20s
    4. Customizing preferences for research
      3m 51s
    5. Understanding the History Log
      4m 20s
  5. 18m 10s
    1. Learning to always work from a copy
      2m 23s
    2. Opening files in Photoshop
      4m 13s
    3. Introduction to Adobe Bridge 2.0
      2m 25s
    4. Using the Adobe Camera Raw Converter
      3m 34s
    5. Using the DICOM Importation interface
      4m 19s
    6. Working with scanned image sets
      1m 16s
  6. 13m 47s
    1. Organizing images
      5m 0s
    2. Applying rank, keywords, and filters
      6m 9s
    3. Working with image stacks
      2m 38s
  7. 27m 57s
    1. Understanding color modes
      4m 27s
    2. Understanding the Info panel
      7m 49s
    3. Reading the Histogram panel
      5m 49s
    4. Understanding color composition with channels
      6m 10s
    5. Comparing multiple images
      3m 42s
  8. 25m 17s
    1. Resizing images
      5m 1s
    2. Resizing the image canvas
      8m 11s
    3. Joining images with compositing
      7m 9s
    4. Using Auto Align and Auto Blend
      2m 1s
    5. Applying a threshold to an image
      2m 55s
  9. 23m 48s
    1. Considering adjustments
      2m 19s
    2. Understanding exposure controls
      1m 7s
    3. Optimizing exposure with Levels
      5m 1s
    4. Optimizing exposure using Curves
      7m 25s
    5. Removing color casts
      3m 4s
    6. Reducing chromatic aberrations
      4m 52s
  10. 25m 43s
    1. Understanding layers
      4m 21s
    2. Working with adjustment layers
      1m 36s
    3. Using layers to compare histological localization
      4m 42s
    4. Optimizing a fluorescent image
      4m 27s
    5. Creating a false-color image
      4m 25s
    6. Working with Smart Objects
      4m 13s
    7. Using selective desaturation
      1m 59s
  11. 1h 0m
    1. Understanding the Analysis menu
      3m 5s
    2. Creating a calibration
      3m 57s
    3. Selecting data points
      3m 0s
    4. Using the Marquee Selection tool to isolate an area of interest
      4m 19s
    5. Tracing a selection using the Lasso tool
      3m 31s
    6. Using the Polygonal Lasso tool
      6m 48s
    7. Using the Magnetic Lasso to create an area of interest
      4m 1s
    8. Working with the Quick Select tool
      4m 11s
    9. Using the Magic Wand
      4m 11s
    10. Creating a noncontiguous selection using the Magic Wand
      1m 55s
    11. Creating a selection using Color Range
      4m 33s
    12. Using the Selection tools for visual dissection
      2m 30s
    13. Using the Count tool
      5m 59s
    14. Using the ruler tool with calibration
      4m 28s
    15. Extracting data from the Measurement Log
      3m 41s
  12. 26m 32s
    1. Adding Scale bars manually
      4m 18s
    2. Adding Scale bars automatically
      5m 21s
    3. Adding text to images
      4m 50s
    4. Adding arrows to images
      6m 29s
    5. Adding vector shapes to images
      2m 57s
    6. Adding borders to images
      2m 37s
  13. 32m 32s
    1. Creating contact sheets
      4m 9s
    2. Combining images for presentation
      9m 35s
    3. Using the Bridge Slide Show feature
      2m 58s
    4. Creating a representative grayscale image
      6m 30s
    5. Using the Print interface
      2m 47s
    6. Integrating images into Microsoft Office files
      6m 33s
  14. 15m 24s
    1. Optimizing a DICOM image
      3m 50s
    2. Creating a DICOM animation
      7m 2s
    3. Annotating and optimizing animation
      4m 32s
  15. 1m 1s
    1. Goodbye
      1m 1s

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