LlModifyLand

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/LSL

ModifyLand

llModifyLand

Summary

2/3 Bugs

Function: llModifyLand( integer action, integer brush );

159	Function ID
0.0	Forced Delay
10.0	Energy

Modify land with action on brush

• integer	action	–	LAND_* flag
• integer	brush	–	LAND_*_BRUSH flag

The position of the prim is used to determine the input for various flags.

Action		Description
LAND_LEVEL	0	Levels on prim center
LAND_RAISE	1	Raises the land
LAND_LOWER	2	Lowers the land
LAND_SMOOTH	3	Smooths the land
LAND_NOISE	4	Makes the land rough
LAND_REVERT	5	Restores to baked value

Brush	Value	Size
LAND_SMALL_BRUSH	0	2m x 2m
LAND_MEDIUM_BRUSH	1	4m x 4m
LAND_LARGE_BRUSH	2	8m x 8m
The constant values in the compiler are wrong. Use these values instead.

Caveats

• This function has no effect if the script's owner is offline or not in the same sim as the scripted object.
• This function has no effect if the scripted object is deeded to a group.
• Playing with this command, I have found that the LAND_SMALL_BRUSH edits a 4m x 4m area. The LAND_MEDIUM_BRUSH and the LAND_LARGE_BRUSH, both edit an 8m x 8m area. However using 0 instead of LAND_SMALL_BRUSH will edit a 2m x 2m area. I have bug reported this, but until it gets fixed, it should be noted. correct values for the brushes are 0, 1 and 2, not 1, 2, and 3. - Bev
• If the script is in a prim that is attached to an avatar or is in the child prim of a linkset, then the local position relative to it's attachment point or root prim is used rather than the position within the region. (BUG-4929)
• If land is not owned by script owner or the owner doesn't have terraform permissions, the script will silently fail.
• You cannot change altitude beyond land terraform limits for the specified parcel.

Important Issues

~ All Issues ~ Search JIRA for related Bugs

		STORM-2006	A		Brush constants are all off-by-one.
		BUG-4929			llModifyLand modifies wrong location in region, when called in a child prim

Examples

Deep Notes

All Issues

~ Search JIRA for related Issues

		SVC-3272	A		LSL: llModifyLandStrength
		STORM-2006	A		Brush constants are all off-by-one.
		BUG-4929			llModifyLand modifies wrong location in region, when called in a child prim

Signature
function void llModifyLand( integer action, integer brush ); integer LAND_SMALL_BRUSH = 1;//Should do 2m x 2m but does 4m x 4m integer LAND_MEDIUM_BRUSH = 2;//Should do 4m x 4m but does 8m x 8m integer LAND_LARGE_BRUSH = 3;//8m x 8m