Issue:

In ZWCAD, after zooming into a view, snapping to the desired target points fails during the drawing process. What is the cause of this behavior?

Causes:

  1. The Grid Snap is enabled, causing the cursor to automatically snap to predefined grid increments rather than the geometric features of objects.
  2. The drawing objects are located extremely far from the absolute coordinate origin.
    Such large coordinates lead to floating-point precision overflow within the underlying graphics engine, resulting in snapping inaccuracies.

Solution:

Solution 1: Disable Grid Snap on

  1. Enter the DSETTINGS (or DS) command to open the Drafting Settings dialog box and disable Snap On.
  2. Alternatively, press F9 to toggle the Snap Mode off.

Solution 2: Relocate Objects to the Absolute Origin

  1. Execute the MOVE (or M) command.
  2. Type ALL to select all objects and press Enter.
  3. Specify a base point on the graphic.
  4. Enter #0,0,0 as the destination point to move the selection to the absolute origin.
  5. Execute the ZOOM (or Z) command followed by the E (Extents) option to center the drawing within the viewport.
  6. Snapping functionality can then be retested for accuracy.


CN Solution
JP Solution


★Why does the cursor fail to accurately snap to desired points in ZWCAD：https://confluence.zwcad.com/pages/viewpage.action?pageId=334136065

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