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Help & Support  FAQs  Products  Subscriptions  Prints & Posters  Image Downloads  How To...  Image Viewer  Searching  Draw & Measure  Shopping Cart  Account Options  Sign In/Sign Out  Imagery & Maps  Imagery  Maps  Overlays  Samples  Technical  Software  Errors  About  Company  Terms Of Use  Tutorials  Image Searching  Drawing/Measuring  Vector Overlays  Viewer Printing  Link and Email  Weather Feature  Cart & Preview  Checking Out  Signing In  Glossary  Search Help  Contact Us   > Help & Support > FAQs > Image Viewer  FAQs Frequently Asked Questions   Image Viewer   An image came up, but how do I change image dates or resolutions? You may change image dates and resolutions by clicking on the button titled Imagery within the Image Viewer.   Why are there watermarks on the image? Watermarks are present in the image viewer for all non subscribers. If you are interested in learning about the benefits of becoming a subscriber, please click here.   Why can’t I find a real time image? Satellites that take digital imagery do not operate like webcams. First, they are orbiting the Earth, so they may not even be over your area anytime that day. Second, the ones that take the high-res imagery do so in narrow swaths of a few kilometers. Think of it like wrapping a strand of hair around a tennis ball. Then, any imagery that is taken has to be downloaded to a ground station and processed to line it up with the proper coordinates. Since areas do not change that quickly, it may be a few months or more before the same satellite might update an area.   Why isn’t there a higher resolution image available for this location? The satellite companies follow the same business model as any other business. They spend most of their time taking images of more densely populated areas because this is where the highest demand exists. Therefore, more rural and less populated areas tend to be less photographed.   How do I view a topographic map? You may view a topographic map by clicking on the Maps button within the image viewer. This will show a topographic map by default.   The image viewer is black or blank, what should I do? Try panning around the image as well as zooming in and out. If neither of these work, use the Imagery button to select a different image. If none of these suggestions work, please use the contact page to inform us of the problem. Please make sure to include the location and the image date and provider.   The image viewer contains an error message, what should I do? Please attempt to reload the page. We also do not have images covering either of the poles and some ocean areas, so please ensure that you are not searching these areas. If you still cannot figure out the source of the error, please use the contact page to inform us of the problem. Please make sure to include the location and the image date and provider.   How can I zoom in and out? You may zoom in and out by click and dragging on the zoom tool on the upper left side of the viewer. You may also zoom in on a point by double clicking on it.   How do I zoom in on a single point? You may zoom in on a point by double clicking on that point.   How far can I zoom in? The zoom level for any particular area depends on the resolution of the available imagery for that location. Generally, you can zoom into 0.25 meter resolution, though most images will have lost clarity by that point.   How far can I zoom out? You can zoom out to what we call a global view. In all actuality, you will be able to see most of a hemisphere in this view.   How do I move around the image? You may move around the image by clicking and dragging the image. Place the mouse cursor over the point that would like to center on and then hold down the left mouse button. Drag that point to the center of the viewer and then let off of the left mouse button. You may also use the navigation arrows that surround the viewer. Each time you click on one of these, it will move the image exactly one half frame over. For example, if you click on the left arrow, it will bring the point that lies on the left edge to the center of the image. In order to move all the way to the exact next frame, you would click that arrow twice.   How can I move to the exact next frame? The navigation arrows that lie around the outside of the viewer will move the image one half frame each time you click them. For example, clicking on the arrow to the far left of the viewer would result in all of the points lying along the left edge to be moved to the exact center of the viewer. By clicking on this arrow twice, the points that were on the left edge would now lie on the right edge of the viewer. Hence, by clicking on an arrow twice, you can move to the exact next frame.   Can I have a compass or scale show up in the viewer? Currently, we do not have a compass or scale available, though that is a feature that we hope to add to the site very soon.   When I drag the image, why does white space show up on the sides? In order to minimize the amount of data transfer and in turn speed up the site, we only load the imagery that lies within the viewer. As soon as you let go after dragging an image, the viewer will reload and the white space will go away.   Why do the coordinates in the Location Information not exactly match the coordinates I used in my search? The coordinates in the Location Information are the exact coordinates of wherever the mouse cursor lies. These coordinates should match your search coordinates only if the mouse cursor is in the exact center of the image.   Where do I find the resolution of the image? The resolution of the image will appear in the Image Information box that lies to the left of the viewer. You can also find the resolution of the available imagery by clicking on the Imagery button at the top of the Image Viewer.   What does the resolution mean? We represent our resolutions in terms how the distance covered by a single pixel. For example, a 0.6 meter image would indicate that one pixel on the screen is representative of 0.6 meters on the ground. This would also mean that 1000 x 1000 pixel image at 0.6 meters would represent an area of 600 x 600 meters on the ground.   Do you have an image with higher resolution? We make sure that every image that we have for a particular area is made available to our customers. You can see all of the imagery available for a particular location by clicking on the Imagery button in the Image Viewer. Generally, the default image for an image search is the best image. We use a combination of the date and resolution to determine what we consider to be the best image.   Where do I find the date of the image? The date of the image is available in the Image Information box that lies to the left of the viewer. The dates of all available images can be found by clicking on the Imagery button at the top of the viewer.   Do you have a newer image? We make sure that every image for a particular location is available for you to view. The newest image that we will have will be the image with the most recent date.   Why are there copyright logos in the corners of some of the images? Some of our image providers require that their logos remain affixed to their images. They will be present in any purchased imagery or prints, but so small that the will hardly be noticeable.   The image is very small, how do I get a bigger version? The image viewer for subscribers is 100% larger than the free image viewer. You can find out more about the benefits of being a TerraServer subscriber here.   I zoomed all the way in and the image is very pixilated. What is wrong? We’ve allowed you to zoom in past the native resolution of the image. As a result, some imagery may become pixilated because you have exceeded the ability of the image. Try zooming out or selecting an image with a higher resolution.   I changed images and the colors turned to gray and reds. What is wrong? Nothing is wrong, you’ve simply selected an image that is infrared. Try choosing a different image if you are not interested in infrared.   Where can I find the name of the nearest town or city? The name of the nearest city will appear in the Location Information box to the left of the Image Viewer.   What do the arrows to the sides of the image do? The arrows to the sides of the image allow you to pan exactly one half frame in whatever direction you choose. When you click on an arrow, the points along that side of the image will move to the center.   What is an overlay? An overlay is a semi-transparent image that is placed on top of an aerial image that provides information about the image, such as street names, zip codes, flood zones, and other features. Overlays are only available to TerraServer subscribers. To learn more about the benefits of subscribing to TerraServer, please click here.   How can I turn them on or off? You can turn overlays on or off by clicking on the check box next to which ever overlay you are interested in using.   Will the overlays remain on a purchased image? Currently the overlays are simply there for reference and will not show up on purchased imagery. Please preview all imagery prior to purchase to insure that you are buying what you actually want.   Is there a way to save this location so that I can come back to it later? Subscribers are able to save imagery that they like by adding it to their favorites. The Add to Favorites tool is available at the top of the viewer and you will simply give the imagery a title. You will then be able to access your favorites by clicking on the Favorites tool in the Subscriptions box at the top right of the page.   I used the favorites feature on the old site. Can I still access my old favorites? We have moved the locations of the old favorites over to the new site however some information was lost in the process. The images will still come up on the same location but the zoom level and the image date may not be the exact same. It will only take a second to change the image source and zoom in or out and then resave your favorites. Currently, the system will save two files with the same name, so you will just need to delete the older one. Once we develop the system further, it will replace the old ones when you resave and will allow you to better organize your favorites.   Am I able to print or save these images? Subscribers can print images from their favorites at the 650 x 510 screen size by using the Print command. You are not able to save images though. To learn more about becoming a subscriber, please click here.   What does the Print Image command allow me to do? The Print Image command allows you to print the image out at 650 x 510 pixels. It will format the image to fit properly on an 8 ½ x 11 piece of printer paper.   Can I email this image to a friend? Yes, you can email an image link to your friend that will bring up the exact same image for them. Right above the viewer, you will find a Mail button. Click on this button and fill out the fields. Make sure to include your email address as any responses will be sent to that email address.   Will my friend need to be a subscriber to see the image? No, they will not need to subscribe to see the image, they will simply see it in the free image viewer with watermarks.   Can I send a link to an image on the site? Yes, you may click on the Link button above the image viewer and it will provide you with a link that will show the exact same image as that which you are viewing at that moment.   I want to zoom to a certain level but the zoom feature won’t let me. What do I do? The zoom levels have been preset by us to be what we consider the most used zoom levels by our customers. We’re interested in hearing your feedback if you do not feel that the current zoom tool fulfills your needs. Please head over to the Contact Page and let us know.

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