Name
ima — Image handling
Syntax
ima map | mtp | rea | sto | sav | sel | rem | gsn | val | rgb | cvi | cvd | ins | sla | slc | pgr | der2 | qua | lst | ext | mag | view | del | grid | combine
Description
The ima command can read and store image files; display the image and manipulate images. A three component image has RGB values for each node. Some image options are only valid for one component grids.
Arguments
map [z zval] [noint]
mtp
rea file
sto tiff | bmp | ppm | png | jpg | jpeg | vtk | psc file
sav
gsn ik jk il jl
sel ir ic
rem pixel_number
val
rgb [rng r1 r2] [map]
cvi new_image_type_number
cvd new_data_type_number
Number code for image formats
0 = VTK_VOID
1 = VTK_BIT
2 = VTK_CHAR
3 = VTK_UNSIGNED_CHAR
4 = VTK_SHORT
5 = VTK_UNSIGNED_SHORT
6 = VTK_INT
7 = VTK_UNSIGNED_INT
8 = VTK_LONG
9 = VTK_UNSIGNED_LONG
10 = VTK_FLOAT
11 = VTK_DOUBLE
ins layer_number worspace_cubename
sla layer_number | top | bot | mid
slc x y | cur
pgr x | y | z | xy
der2
qua
lst
ext 0 | 1 | 2
mag
view
del
grid
combine image1 image2 image3
Examples
Ex.1: Image to grid
z ;# Erase screen win demo ;# Get demo window (450000 460000 6450000 6460000 1000 4000) spe bgc whi ;# Specify background color to white mak ran 11 ;# Make 11 random points grp 222 222 ;# Make grid of dimension 222 x 222 map ;# Map the grid ima sav ;# Save image ima qua ;# Quantize the image ssc ;# Scale data d2 ;# Set screen in 2D mode map ;# Map the grid
The above example produces this image.
Image to grid example