[[111:photogrammetry:strabo:processing_triangulation:index|{{ :orbitgis:return_overview.png|Return to Overview - Triangulate Process}}]] ======Control Points====== \\
{{control_points.png?nolink|}} In this status section, the function to edit the control points is available:\\ \\ * Control Points...
\\ ----- \\ {{ control_points_dialog.png?nolink&280|}}__** Edit Control Points...**__ When selection this function, the following dialog is shown: It shows the existing set of control points in the project. Selecting a control point number in the list, shows the coördinate values in the bottom. Several functions are available and explained hereafter. \\ \\ * **Show** \\ The selected control pôint will be centered in the Orbit GIS canvas. * **Add** \\ A new Ground Control point can be added when you: - Enter a new point and it's coördinates, - Press the 'Add' button. * **Modify** \\ When a Ground Control Point (GCP) is selected, you can : - Change the name or the value of any coördinate. - Press 'Modify'. * **Remove** \\ This function obviously removes a selected GCP. * **Add file** \\ {{ control_points_file_syntax.png?nolink&380|}}This function: - Opens a File Selection Box - Select a txt file containing GCP's. - Press 'Open'. \\ The file will be checked on the correct format.\\ The syntax must be as follows (tab or space separated):\\ * **Type** \\ The GCP points can be either: - XYZ control points - Z control points \\ \\ This toggle lets you set the correct type for each control point. * **Control point is used** \\ This is a flag telling the project to use a certain GCP or not, in the bundle adjustment process. When the toggle is flagged, the GCP is active.