PhotoOverlay
Related Doc:
package kml
Adjusts how the photo is placed inside the field of view. This element is useful if your photo has been rotated and deviates slightly from a desired horizontal view.
Defines how much of the current scene is visible. Specifying the field of view is analogous to specifying the lens opening in a physical camera. A small field of view, like a telephoto lens, focuses on a small part of the scene. A large field of view, like a wide-angle lens, focuses on a large part of the scene.
For very large images, you'll need to construct an image pyramid, which is a hierarchical set of images, each of which is an increasingly lower resolution version of the original image. Each image in the pyramid is subdivided into tiles, so that only the portions in view need to be loaded. Google Earth calculates the current viewpoint and loads the tiles that are appropriate to the user's distance from the image. As the viewpoint moves closer to the PhotoOverlay, Google Earth loads higher resolution tiles. Since all the pixels in the original image can't be viewed on the screen at once, this preprocessing allows Google Earth to achieve maximum performance because it loads only the portions of the image that are in view, and only the pixel details that can be discerned by the user at the current viewpoint. When you specify an image pyramid, you also modify the <href> in the <Icon> element to include specifications for which tiles to load.
The <Point> element acts as a <Point> inside a <Placemark> element. It draws an icon to mark the position of the PhotoOverlay. The icon drawn is specified by the <styleUrl> and <StyleSelector> fields, just as it is for <Placemark>.
The PhotoOverlay is projected onto the <shape>. The <shape> can be one of the following: rectangle (default) - for an ordinary photo cylinder - for panoramas, which can be either partial or full cylinders sphere - for spherical panoramas
featurePart the feature part of this object
featurePart the feature part of this object
FeaturePart
a unique identification of this KML element
a unique identification of this KML element
For very large images, you'll need to construct an image pyramid, which is a hierarchical set of images, each of which is an increasingly lower resolution version of the original image.
For very large images, you'll need to construct an image pyramid, which is a hierarchical set of images, each of which is an increasingly lower resolution version of the original image. Each image in the pyramid is subdivided into tiles, so that only the portions in view need to be loaded. Google Earth calculates the current viewpoint and loads the tiles that are appropriate to the user's distance from the image. As the viewpoint moves closer to the PhotoOverlay, Google Earth loads higher resolution tiles. Since all the pixels in the original image can't be viewed on the screen at once, this preprocessing allows Google Earth to achieve maximum performance because it loads only the portions of the image that are in view, and only the pixel details that can be discerned by the user at the current viewpoint. When you specify an image pyramid, you also modify the <href> in the <Icon> element to include specifications for which tiles to load.
The <Point> element acts as a <Point> inside a <Placemark> element.
The <Point> element acts as a <Point> inside a <Placemark> element. It draws an icon to mark the position of the PhotoOverlay. The icon drawn is specified by the <styleUrl> and <StyleSelector> fields, just as it is for <Placemark>.
Adjusts how the photo is placed inside the field of view.
Adjusts how the photo is placed inside the field of view. This element is useful if your photo has been rotated and deviates slightly from a desired horizontal view.
The PhotoOverlay is projected onto the <shape>.
The PhotoOverlay is projected onto the <shape>. The <shape> can be one of the following: rectangle (default) - for an ordinary photo cylinder - for panoramas, which can be either partial or full cylinders sphere - for spherical panoramas
a reference to objects that have already been loaded into Google Earth
a reference to objects that have already been loaded into Google Earth
Defines how much of the current scene is visible.
Defines how much of the current scene is visible. Specifying the field of view is analogous to specifying the lens opening in a physical camera. A small field of view, like a telephoto lens, focuses on a small part of the scene. A large field of view, like a wide-angle lens, focuses on a large part of the scene.
The <PhotoOverlay> element allows you to geographically locate a photograph on the Earth and to specify viewing parameters for this PhotoOverlay. The PhotoOverlay can be a simple 2D rectangle, a partial or full cylinder, or a sphere (for spherical panoramas). The overlay is placed at the specified location and oriented toward the viewpoint. Because <PhotoOverlay> is derived from <Feature>, it can contain one of the two elements derived from <AbstractView>—either <Camera> or <LookAt>. The Camera (or LookAt) specifies a viewpoint and a viewing direction (also referred to as a view vector). The PhotoOverlay is positioned in relation to the viewpoint. Specifically, the plane of a 2D rectangular image is orthogonal (at right angles to) the view vector. The normal of this plane—that is, its front, which is the part with the photo—is oriented toward the viewpoint.
The URL for the PhotoOverlay image is specified in the <Icon> tag, which is inherited from <Overlay>. The <Icon> tag must contain an <href> element that specifies the image file to use for the PhotoOverlay. In the case of a very large image, the <href> is a special URL that indexes into a pyramid of images of varying resolutions (see ImagePyramid).
For more information, see the "Topics in KML" page on PhotoOverlay.
Adjusts how the photo is placed inside the field of view. This element is useful if your photo has been rotated and deviates slightly from a desired horizontal view.
Defines how much of the current scene is visible. Specifying the field of view is analogous to specifying the lens opening in a physical camera. A small field of view, like a telephoto lens, focuses on a small part of the scene. A large field of view, like a wide-angle lens, focuses on a large part of the scene.
For very large images, you'll need to construct an image pyramid, which is a hierarchical set of images, each of which is an increasingly lower resolution version of the original image. Each image in the pyramid is subdivided into tiles, so that only the portions in view need to be loaded. Google Earth calculates the current viewpoint and loads the tiles that are appropriate to the user's distance from the image. As the viewpoint moves closer to the PhotoOverlay, Google Earth loads higher resolution tiles. Since all the pixels in the original image can't be viewed on the screen at once, this preprocessing allows Google Earth to achieve maximum performance because it loads only the portions of the image that are in view, and only the pixel details that can be discerned by the user at the current viewpoint. When you specify an image pyramid, you also modify the <href> in the <Icon> element to include specifications for which tiles to load.
The <Point> element acts as a <Point> inside a <Placemark> element. It draws an icon to mark the position of the PhotoOverlay. The icon drawn is specified by the <styleUrl> and <StyleSelector> fields, just as it is for <Placemark>.
The PhotoOverlay is projected onto the <shape>. The <shape> can be one of the following: rectangle (default) - for an ordinary photo cylinder - for panoramas, which can be either partial or full cylinders sphere - for spherical panoramas