BLKTRI Process
To access this process:
- View the Find Command screen, select BLKTRI and click Run.
- Enter "BLKTRI" into the Command Line and press <ENTER>.
See this process in the Command Table.
Process Overview
Converts block model(s) to wireframe surfaces(s).
Although it does not support a keyfield option, the MODTRI process is quicker to execute than the BLKTRI process. Also, MODTRI is able to process larger models than BLKTRI.
Another option is to make use of the Isosurfaces wireframe function, resulting in surface shapes representing real surfaces - although note that the output from BLKTRI and Isosurface generation may not be identical due to the calculation methods used.
Input Files
|
Name |
Description |
I/O Status |
Required |
Type |
|
IN |
Input model file. Must contain fields XC, YC, ZC, XINC, YINC, ZINC, XMORIG, YMORIG, ZMORIG, NX, NY, NZ, and IJK. If it is a Rotated Model then it must also include the fields X0, Y0, Z0, ANGLE1, ANGLE2, ANGLE3, ROTAXIS1, ROTAXIS2, and ROTAXIS3. |
Input |
Yes |
Block Model |
Output Files
|
Name |
I/O Status |
Required |
Type |
Description |
|
WIRETR |
Output |
Yes |
Wireframe Triangle |
Output wireframe triangle file. |
|
WIREPT |
Output |
Yes |
Wireframe Points |
Output wireframe point file. |
Fields
|
Name |
Description |
Source |
Required |
Type |
Default |
|
CLASS |
Field in block model defining multiple zones or seams. |
IN |
No |
Any |
Undefined |
|
MODCOL |
A numeric field to be used to allocate (an integer) wireframe colour. It is assumed that colour is related to CLASS. If colour varies within a CLASS then the colour corresponding to the first occurrence of each CLASS will be used. |
IN |
No |
Numeric |
Undefined |
Parameters
|
Name |
Description |
Required |
Default |
Range |
Values |
|
PLANE |
Plane for interpretation of solid or seam orientation. Values are: 0 - solid model, so plane not required. 1 - XY plane (plan) 2 - XZ plane (East-West section) 3 - YZ plane (North-South section) |
Yes |
0 |
0,3 |
0,1,2,3 |
|
XSUBCELL |
Cell division in X direction. |
Yes |
1 |
1,20 |
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20 |
|
YSUBCELL |
Cell division in Y direction. |
Yes |
1 |
1,20 |
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20 |
|
ZSUBCELL |
Cell division in Z direction. |
Yes | 1 | 1,20 |
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20 |
|
ORDER |
If non-zero then the process treats values of the CLASS field as an ordered numeric sequence, and infers intermediate values to generate a sequence of wireframe seam surfaces. A value of -1 indicates that the numeric sequence increases in value with depth, and +1 a decrease with depth. |
No |
0 |
-1,1 |
-1,0,1 |
|
SURFACE |
This parameter is used to specify which wireframe surfaces are created: 1 - outer surface (Solid model only) 2 - inner surface (Solid model only) 3 - outer and inner surfaces (Solid model only) 4 - bottom surface 5 -top surface 6 - both bottom and top surfaces All options apply to a solid model (PLANE=0), but only 4,5 and 6 apply to seams (PLANE=1,2,3). |
Yes |
3 |
1,6 |
1,2,3,4,5,6 |
|
COLOUR |
Colour for output wireframe. Only used if a colour field is not specified for MODCOL. |
No |
1 |
Undefined |
Undefined |
Example
!BLKTRI &IN(_vb_modopt),&WIRETR(wf_top_tr),&WIREPT(wf_top_pt),@PLANE(1),@XSUBCELL(1),
@YSUBCELL(1), @ZSUBCELL(1),@SURFACE(4),@COLOUR(1)
>>> 5452 Records in File ... wf_top_tr.dm <<<
>>> 5606 Records in File ... wf_top_pt.dm <<<
>>> BLKTRI Complete <<<
Error and Warning Messages
|
Message |
Description |
Solution |
|
>>> Error: @PLANE and @SURFACE values inconsistent <<< |
BLKTRI requires the @PLANE (projection plane orientation) and @SURFACE (surface type to be created) parameters to be consistent, e.g. if @SURFACE is set to 4, 5 or 6 then @PLANE needs to be set to 1, 2 or 3 if. Fatal; the process is exited. |
Check that the @PLANE parameter is consistent with the defined @SURFACE parameter. |
