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Difference between vector and raster gis7/29/2023 Scene layers are cached to optimize the display of 3D data, and the cache is created as part of a scene layer package. If the layer has a three-dimensional aspect, it may be used to create a scene layer. A variety of image analysis capabilities are available for performing visual analysis of rasters, including processing functions. As with vector layers, rasters can be classified using a variety of standard classification techniques. A variety of display types are available for visualizing raster data, depending on the raster band count, the presence of a color map, and whether the raster represents unique value data. They can be visualized as a single raster dataset or as a mosaic layer that references a mosaic dataset that manages large collections of raster data. Raster layers reference rasters or images as their data source. There are other types of feature layers, such as stream layers, map notes layers, and aggregated feature layers, that bin or cluster features and map the results based on their attributes. Further symbology options include representing features as proportional symbols, Mapping, a layer can be represented with definedĬlassification ranges. In the case of quantitative data, commonly used for thematic Feature layer data references feature classes, which are stored in geodatabases.īecause they comprise vectors, the features can be symbolized with the same symbol or with unique symbols based on values from one or moreĪttribute fields. Feature layersįeature layers represent geographic objects as vectors and can be symbolized in a variety of ways depending on their attribution. The layer type contextual tab set appears in the ribbon. To determine the layer type, click it in the Contents pane. The type of layer depends on the type of data you have, its underlying structure, and some other variables. Layers typically comprise vector (feature) or raster data. There are many different types of data that are represented in ArcGIS Pro as layers. If the location of the data changes, however, the data source path must be updated. For example, you can use the same imagery layer in every map you create. You can use spatial analysis tools on layers to study the data's characteristics, filter layers using queries or display filters, and extrude layer features into 3D. Once layers are added to a map or scene, you can change how a layer is symbolized, labeled, scaled, and arranged. Layers listed at the bottom appear first but always draw below the layers above them. The layers are displayed in a particular order, called the drawing order, which is Maps, scenes, and layouts are assembled with multiple layers. Most of the time, however, you manually add layers to a map. Some layers are automatically added to maps when you create the map. You then use symbols, text, graphics, and images to visualize the data. Data gathered in a layer is represented with points, lines, shapes (polygons), or surfaces. Layers reference a data source, and if ArcGIS Pro interprets data as spatial, the data's properties and attributes specify how the layer draws on a map, scene, or layout.
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