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Photo to gif cs5.16/22/2023 ![]() The GIF format uses 8-bit resolution, supports up to a maximum of 256 colors, and uses combinations of these 256 colors to simulate colors beyond that range. GIF (.gif) is an acronym for Graphics Interchange Format. ![]() ![]() Web browsers currently support three bitmap image file types: GIF, JPEG, and PNG. An 8-bit image supports up to 256 colors, and a 24- or 32-bit image supports up to 16.7 million colors. There are 8-bit images as well as 24- or 32-bit images, where each bit represents a pixel. The bit-resolution of an image is the number of bits used to represent each pixel. The pixels appear connected because they are so close together. Computer monitors display images by dividing the display screen into thousands (or millions) of pixels, arranged in a grid of rows and columns. A pixel, or picture element, is the smallest point in a graphical image. A bitmap file maps out or plots an image pixel by pixel. One of the benefits of vector images is the small file size, particularly compared to the larger file size of bitmap images.īitmap images are the more common type of image file. This type of image generally is associated with Adobe Flash or LiveMotion animation programs. The file describes the image to the computer, and the computer draws it. The vector file contains a mathematical description of the image. Vector images are composed of key points and paths, which define shapes and coloring instructions, such as line and fill colors. Graphical images used on the Web are in one of two broad categories: vector and bitmap. A Web page that downloads too slowly will turn away visitors. When you are selecting images for a Web site, you should understand that the size and type of image or images used within a Web page affect how fast the Web page downloads and is displayed in the viewer’s Web browser. If used correctly and with an understanding of the Web site audience, images add excitement and interest to a Web page. It is time to add other enhancements to your site. You have finished entering and formatting the text for the two new pages and copied the images to the images folder for the Montana Parks Web site. Type Lewis and Clark National Historical Trail as the Web page title.Ĭlick the Save button on the Standard toolbar to save your work (Figure 2-15). ![]() If necessary, scroll to the top of the Web page, apply Heading 1 to the title, and then center the title. Type the text of the Web page as shown in Table 2-2, and then click the Save button to save your changes (Figure 2-14). The following steps show how to enter and then format text for the Lewis and Clark National Historical Trail Web page. The next task is to add text to the Web page and then format it. To Create the Lewis and Clark National Historical Trail Web Page On July 25, 1806, Clark left his mark along the trail when he scratched his signature into a sandstone formation along the Yellowstone River in Montana. In their search for a water route to the Pacific Ocean, they opened a window onto the west for the young United States. This group called themselves the Corps of Discovery. This diversity of landscapes opened a window to some of America’s most enchanting landmarks. It meanders through eleven states, including Montana. The Trail goes along rivers, through plains and high deserts, winds over mountains, and extends to the Pacific coast. As they traveled, Clark mapped their route and Lewis recorded information about and collected samples of the unfamiliar plants and animals they encountered. īetween 18, Meriwether Lewis and William Clark led the Corps of Discovery from Wood River, Illinois, to the Pacific Ocean. Generally, these areas are selected by a governing body and are deemed to contain important sites or resources of national historical interest. National historical sites are designated for protected areas of national historical interest. Lewis and Clark National Historical Trail
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