Create Dot Density Map

Instructions for use

Through the new Dot Density Map function, the Dot Density Map can be made based on the template Create a dot density map., which is relatively fast, but there will be a gap from the actual needs of users, and it needs to be modified to get the satisfactory effect of thematic maps. Making Dot Density Map based on Thematic Map Template is not only convenient and fast, but also easy to meet the needs of batch mapping, so as to realize the reuse of thematic templates.

When using the Use Template, you need to ensure that the field expression of the thematic map exists. If the current layer does not exist in the thematic map field in the Thematic Map Template, "Expression does not exist, so the thematic map cannot be displayed" will pop up. Please specify the appropriate expression again. Prompt dialog box for. The user can Use Template Create Thematic Map after re-specifying the Field.

Operation steps

  1. In Layer Manager, select the face Vector Layer for which you want to make a Dot Density Map.
  2. Select a Vector Layer in Layer Manager, right-click, select Create Thematic Map.. in the pop-up Context Menu, and click Dot Density Map ". Select a Dot Density Map Templates from the list on the right to create a Dot Density Map.
  3. Dot Density Map of Create from Template will be automatically displayed as a theme layer in the Add to Current Map Window, and a theme layer will be added accordingly in Layer Manager.

Precautions

  • After creating a Dot Density Map, the Dot Density Map "window will pop up at the same time. This window displays the default setting information for creating the current thematic map, such as the Thematic variable for creating the Dot Density Map, the style, and the related Parameter Settings. On this basis, the user can reset the style of the thematic map, and modify the default Dot Density Map to obtain a thematic map effect more in line with the user's needs.
  • After closing the "Dot Density Map" "window, you can double click the layer in the" Layer Manager "" or right click the layer, and select "Modify Thematic Map" "to open the" Dot Density Map "" window to modify the thematic map.

Related topics

Modify Dot Density Map