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The geometry of the contours can be further refined after they are created.
Pix4dmapper contour intervals code#
If the feature class specified as the Out Contour Features value matches one of these schemas, the values for the Contour Height Field, Contour Subtype, Contour Code Field, Index Code, Intermediate Code, Depression Code, and Depression Intermediate Code parameters will automatically be set to the values appropriate for that schema. The tool is supports various Defense Mapping data model schemas. Depression Intermediate Code-The value that will populate the Contour Code Field parameter value when the elevation of the contour is not evenly divisible by the index interval and the contours are decreasing in elevation.Depression Code-The value that will populate the Contour Code Field parameter value when the elevation of the contour is evenly divisible by the index interval and the contours are decreasing in elevation.Intermediate Code-The value that will populate the Contour Code Field parameter value when the elevation of the contour is not evenly divisible by the index interval and the contours are increasing in elevation.Index Code-The value that will populate the Contour Code Field parameter value when the elevation of the contour is evenly divisible by the index interval and the contours are increasing in elevation.Contour Index Interval-Distinguish index contours from intermediate contours.When a Contour Code Field value is defined, use the following parameters to ensure that the field values are correctly populated: In addition to the contour elevation, you can populate the Contour Code Field parameter with information about the type of contour. If the Input Rasters parameter value contains an area with no data, such as a hole, the contours may intersect. Specifying a base contour does not prevent contours from being created above or below that value. The values to be contoured are 10, 25, 40, and 55. In this case, 10 is used for the base contour, and 15 is used for the contour interval. Rather than creating a new output that must be mapped to that schema as a postprocess, this tool will add the results directly to the specified feature class.Ī base contour is used, for example, to create contours every 15 meters, starting at 10 meters. Most topographic agencies have defined the feature class, subtypes, and attributes appropriate for describing their elevation features in their existing data schema. This tool does not create a new output feature class it adds the contours to an existing feature class. Depending on the tolerance used, the result can be contour lines that are smoother and more cartographically pleasing, but less accurate. When a Raster Smooth Tolerance value is set, the tool uses Adaptive Smoothing from the Contour raster function to prepare the raster before generating contour lines. This tool optionally supports smoothing of the input rasters before creating the contour lines. Then choose the correct scale from the Map Scale parameter to To clear contour values after they are automatically populated, choose the empty value at the top of the Map Scale drop-down list. Values from it are left blank, the tool will use the 1:50,000 scale to calculate the values. When the scale and any of the parameters that calculate their default The scale value also determines the minimum length of the contours and the smoothing tolerance that will be used to refine their appearance. Choosing a scale sets the default contour values for several parameters based on the scale. Use the Map Scale parameter to refine the appearance of the contours to be optimized for print and display at the given scale. Contours will only be created over the portions of the rasters that overlap the buffer AOI.
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Pix4dmapper contour intervals full#
The AOI will be buffered to ensure that contours extend to the full edge of the sheet and to reduce edge matching issues between sheets. Typically, the AOI will be a polygon feature that represents the extent of a map sheet at the specified scale. The area of interest (AOI) is used to limit the extent over which the contours will be created. All input rasters should also use the same elevation units (meters or feet). If more than one input raster is used, all input rasters must have the same cell size, band count, and pixel type. This tool supports local raster files only.