When manual addition or editing of tie points is required to improve geometric accuracy, the manage tie points function can be used.
For operations such as adding, modifying, and deleting points, please refer to Point Editing. This article will focus on the filtering, searching, and sorting functions of tie points.
This function is only available when a join point dataset exists in the current process.
SuperMap iDesktopXSupported starting from the 11i(2023) version.
Function Entry
Satellite image processing tab -> Geometric Correction group -> Generate Connection Points drop-down menu -> Manage Tie Points.
Filter
Click the Filter button on the toolbar to provide the following three filtering methods for filtering the generated tie point records in the attribute table.
- overview map range：The attribute table only displays the tie point records shown in the overview map. When the overview map is closed, performing the filtering operation will default to displaying all tie points.
- match image：Select one or more images, and the attribute table will display the tie point attributes associated with the specified images.
- SQL Expressions:Select this option, you can click the button on the right to set an SQL filter expression, or directly enter the expression in the input box. The attribute table will display tie point attributes that meet the expression conditions.
Search
The toolbar is equipped with a search box, supporting direct input of keywords for quick retrieval, helping you quickly locate the desired content and improve query efficiency.
Sort
Supports ascending or descending sorting of attribute table records by specified fields for easy browsing and analysis. The operation method is as follows:
- Click any cell in the attribute table to select the column to sort.
- Click the "Ascending" or "Descending" button in the toolbar to complete sorting of that column.
Related Topics
Generate Ground Control Points