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dev:desktop_ext:volumetric_analysis [2018/06/06 12:27] julia.faracini@orbitgt.com |
dev:desktop_ext:volumetric_analysis [2020/06/30 06:57] reine |
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| ====== Volumetric Analysis ====== | ====== Volumetric Analysis ====== | ||
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| - | This page describes how to perform volume calculation on pointcloud | + | This page describes how to perform volume calculation on point cloud data.\\ |
| \\ | \\ | ||
| **Feature Extraction Basic - Standard - Pro, Publisher Client**\\ | **Feature Extraction Basic - Standard - Pro, Publisher Client**\\ | ||
| - | {{orbitgis: | + | {{orbitgis: |
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| ===== Concepts ===== | ===== Concepts ===== | ||
| **Volumes**\\ | **Volumes**\\ | ||
| - | A volume calculation represents a way to quantify a positive or negative feature in comparison with a reference plane, for example the volume of an excavation (cut) or the volume of a depot (fill). | + | A volume calculation represents a way to quantify a positive or negative feature in comparison with a reference plane, for example, the volume of an excavation (cut) or the volume of a depot (fill). |
| **Files & folders**\\ | **Files & folders**\\ | ||
| - | All created files and folders are saved in a new folder < | + | All created files and folders are saved in a new folder < |
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| ===== Sidebar ===== | ===== Sidebar ===== | ||
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| **Select dataset**\\ | **Select dataset**\\ | ||
| - | Displays the available opc files in the Dataset List, from which to choose the one on which the Volumetric Analysis will be calculated. | + | Displays the available |
| **File menu drop-down**\\ | **File menu drop-down**\\ | ||
| - | Choose where you want to store the results. A project represents an automatically created destination folder for a profile and it's cross sections inside your runs pointcloud | + | Choose where you want to store the results. A project represents an automatically created destination folder for a profile and it's cross-sections inside your runs point cloud folder.\\ |
| - | For each profile a new project will be created. Writing a new profile in an existing project will overwrite existing data in that folder.\\ | + | For each profile, a new project will be created. Writing a new profile in an existing project will overwrite existing data in that folder.\\ |
| Options to create a new project, open a recent project, close or delete a project are available. | Options to create a new project, open a recent project, close or delete a project are available. | ||
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| - | A pointcloud | + | A point cloud dataset must be available and active in the dataset list.\\ |
| - | Based on this pointcloud | + | Based on this point cloud a fence can be drawn around the area for which the volumetric analysis will be applied. \\ |
| - | * Draw - start drawing the fence by clicking on the Map Canvas. It is advised to draw on Map 3D in order to better | + | * Draw - start drawing the fence by clicking on the Map Canvas. It is advised to draw on Map 3D in order to better |
| * Select - select an existing fence | * Select - select an existing fence | ||
| * Stop - finish your fence | * Stop - finish your fence | ||
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| Represents the reference level for starting the calculation.\\ | Represents the reference level for starting the calculation.\\ | ||
| - | It can be either a plane based on the pointcloud | + | It can be either a plane based on the point cloud height or a DEM/TIN if available.\\ |
| By default, a plane will be automatically calculated based on the lowest point of the fence.\\ | By default, a plane will be automatically calculated based on the lowest point of the fence.\\ | ||
| But the height of your reference can be defined also by using Set Plane function and clicking on a desired location on the Map 3D, by entering a number or by adjusting the slider. | But the height of your reference can be defined also by using Set Plane function and clicking on a desired location on the Map 3D, by entering a number or by adjusting the slider. | ||
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| Press Calculate Volumes in order to perform the Volumetric Analysis.\\ | Press Calculate Volumes in order to perform the Volumetric Analysis.\\ | ||
| - | This will require some time to complete. The results will be displayed | + | This will require some time to complete. The results will be displayed |
| - | * Cut : the volume of areas bellow the reference plane in cubic meters | + | * Cut: the volume of areas bellow the reference plane in cubic meters |
| - | * Fill : the volume of areas above the reference plane in cubic meters | + | * Fill: the volume of areas above the reference plane in cubic meters |
| - | * Delta : the combined volumes bellow and above the the reference plane | + | * Delta: the combined volumes bellow and above the reference plane |
| - | * Sum : the difference between the volume above and the volume | + | * Sum: the difference between the volume above and the volume |
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| The results of the analysis can also be exported.\\ | The results of the analysis can also be exported.\\ | ||
| - | You can choose to export the contours of the fill/cut areas and also the poincloud. | + | You can choose to export the contours of the fill/cut areas and also the point cloud. |
| ===View Settings=== | ===View Settings=== | ||
| Some tools to define the visualization of your selection and results.\\ | Some tools to define the visualization of your selection and results.\\ | ||
| - | * Show fence : enable the visualization of the fence | + | * Show fence: enable the visualization of the fence |
| - | * Show Reference Plane : enable the visualization of the reference plane | + | * Show Reference Plane: enable the visualization of the reference plane |
| - | * Show selection : displays only the selected part of the pointcloud | + | * Show selection: displays only the selected part of the point cloud |
| - | * Result DEM : the display of the resulting DEM can be customized. Threshold : cell size of the created DEM | + | * Result DEM: the display of the resulting DEM can be customized. Threshold: cell size of the created DEM |
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Last modified:: 2023/01/18 21:10