Create Fishnet

Feature Description

The create fishnet function quickly generates a regular rectangular grid region dataset by specifying spatial range and grid parameters, and can automatically complete the marking of fishing nets, used for tracking and managing work progress during data capture and editing.

Application Scenarios

  • During DLG data capture, the creation of a regular fishnet divides the work area into grids, enabling systematic decomposition of tasks.
  • Real-time production progress is recorded through grid status markings, effectively preventing omissions and ensuring the completeness and orderliness of updated data.
  • As an auxiliary management tool for data capture, it works in coordination with functions such as feature collection, progress tracking, and quality control to build a systematic work management system.

Version Information

The create fishnet function has been available since SuperMap iDesktopX 2026.

Function Entry

  • Edit Data tab -> Fishnet group -> Create Fishnet button
  • Toolbox -> Data Management -> Sampling group -> Create Fishnet tool

Parameter Description

Parameter Name Parameter Interpretation Parameter Type
Setting Mode

Provides Specify Dataset Range as the bounds setting method, allowing an existing dataset to be selected as the range reference.

--
Cell Width Width of the grid cell, in meters. Double
Cell Height Height of the grid cell, in meters. Double
Number of Columns Number of columns in the grid. Integer
Number of Rows Number of rows in the grid. Integer
Create Mark

Sets whether to create marks for the fishnet:

  • Checked – Generates marks based on the fishnet, automatically performing the following operations:
    • Creates a text field named "mark" for the dataset and assigns an initial value of 0 to all objects.
    • Generates a unique value thematic map: Created based on the mark field, with sub-item 0 having a red border and no fill, sub-item 1 having a red border and yellow fill, and the default item having a red border and no fill.
    • Generates a label thematic map: Creates labels at the center of the fishnet based on the mark field.
  • Unchecked – Only generates the fishnet region dataset without creating fishing net marks.
 Boolean

Output Result

Parameter Name Parameter Interpretation Parameter Type
Result Dataset
  • The generated fishnet region dataset. The coordinate system rules for the result dataset are as follows:
    • If Current Map Extent is specified, the coordinate system of the result dataset is the same as the map coordinate system.
    • If Specify Dataset Range is specified, the coordinate system of the result dataset is the same as the coordinate system of the specified dataset.
  • If Create Mark is checked, after the tool completes execution, the two generated thematic layers are added to the top of the layer manager, the "Fishing Net Mark" dialog box is displayed, and parameters are automatically configured.
 DatasetVector

Related Topics