| T O P I C R E V I E W |
| tinkusch |
Posted - 05/29/2002 : 04:52:18 AM
Hi,
I would like to use the ROI rectangle tool in order to change values of a selected region of a matrix image. How can I access/change/control the respective variables (i1,j1, i2,j2, x1, y1, x2, y2, dx, dy) and their values? Is it at all possible in Labtalk and Origin-C? I have not found any sufficient hint in the help files. Thanks for help.
Stefan |
| 3 L A T E S T R E P L I E S (Newest First) |
| Mike Buess |
Posted - 03/14/2003 : 9:33:08 PM
What's the current status of the ROIObject? Yuri's code segment does not compile in Origin 7 SR3...
:Error, Member function ROIObject::GetRegionPoints not defined or does not have matching prototype.
...Turns out the code segment compiles fine with these changes:
vector vI -> vector<int> vI
vector vJ -> vector<int> vJ
Mike Buess
Origin WebRing Member
Edited by - Mike Buess on 03/16/2003 08:26:21 AM |
| easwar |
Posted - 05/29/2002 : 3:31:35 PM
Hi Stefan,
The code segment in the previous post from Yuri will work on ver 7 with SR1 patch.
Easwar
OriginLab.
|
| yuivanov |
Posted - 05/29/2002 : 1:54:42 PM
Hi Stefan
Currently OriginC access to ROI is "unpublished feature" which means it was implemented for internal Origin purposes and will likely be modified.
However you can use function
GetRegionPoints which is member function of GraphObject
Here is short example:
void GetPoints()
{
ROIObject ROI;
ROI = GetROI();
if( ROI.IsValid() )
{
vector vValue;
vector vI;
vector vJ;
ROI.GetRegionPoints(vValue, vI, vJ);//this function requires ROI to be in matrix layer
}
}
after GetRegionPoints is executed you have three vectors
each of them has size equal to number of matrix points inside ROI
vI and vJ contain indices of points
vValue contains values.
Be advised that support for ROI is still under developement and modifications are possible in future releases.
Thanks
Yuri |
|
|
