2.16.3.1 Details of TreeNodes in Image Export Function
tr
The tr provides a group of settings for the ExpImage X-Function, which can be used to set the properties of the exported image.
Syntax: tr.SubTree.Treenode:=<value>
Example: tr.BMP.dotsperinch:=300;
BMP
The BMP branch of the tr tree specifies the exporting setting when the image type of the exported image is selected as BMP.
Syntax: tr.BMP.Treenode:= <value>
Example: tr.BMP.bitsperpixel:="24-bit Color" // Specifies the resolution of the exported image
| Treenode
|
Label
|
Type
|
Default
|
Description
|
| dotsperinch |
DPI Resolution |
int |
300
|
Specifies the resolution of the exported image. Options include 72, 96, 100, 150, 300, 600 and 1200.
|
| bitsperpixel
|
Color Depth
|
string
|
256 Colors
|
Specifies the color-depth of the exported image.
- Monochrome
- Export the graph using black and white only.
- 16 Colors
- Export the graph using 16 colors.
- 256 Colors
- Export the graph using 256 colors.
- 16-bit Color
- Export the graph using 16-bit color.
- 24-bit Color
- Export the graph using 24-bit color.
- 8-bit Gray Scale
- Export the graph using 256 gray scales.
|
GIF
The GIF branch of the tr tree specifies the exporting setting when the image type of the exported image is selected as GIF.
Syntax: tr.GIF.Treenode:= <value>
Example: tr.GIF.bitsperpixel:="24-bit Color" // Specifies the resolution of the exported image
| Treenode
|
Label
|
Type
|
Default
|
Description
|
| dotsperinch |
DPI Resolution |
int |
300
|
Specifies the resolution for the exported image, which can be 72, 96, 100, 150, 300, 600, or 1200.
|
| bitsperpixel
|
Color Depth
|
string
|
256 Colors
|
Specifies the color depth.
- Monochrome
- Export graph with only black and white
- 16 Colors
- Export graph with 16 colors
- 256 Colors
- Export graph with 256 colors
- 8-bit Gray Scale
- Export graph with 256 gray scales
|
JPG
The JPG branch of the tr tree specifies the exporting setting when the image type of the exported image is selected as JPG.
Syntax: tr.JPG.Treenode:= <value>
Example: tr.JPG.dotsperinch:=300 // Specifies the resolution of the exported image
| Treenode
|
Label
|
Type
|
Default
|
Description
|
| dotsperinch |
DPI Resolution |
int |
300
|
Specifies the resolution of the exported image, which can be 72, 96, 100, 150, 300, 600, or 1200.
|
| bitsperpixel
|
Color Depth
|
string
|
24-bit Color
|
Specifies the color-depth of the exported image.
- 24-bit Color
- Export graph using 24-bit color
- 8-bit Gray Scale
- Export graph with 256 gray scales
|
| Compression
|
Compression
|
int
|
0
|
Defines the compression level, which is an integer between 0 and 255. The size of exported file decreases with the increase of compression level.
|
PCX
The PCX branch of the tr tree specifies the exporting setting when the image type of the exported image is selected as PCX.
Syntax: tr.PCX.Treenode:= <value>
Example: tr.PCX.dotsperinch:=300 // Specifies the resolution of the exported image
| Treenode
|
Label
|
Type
|
Default
|
Description
|
| dotsperinch |
DPI Resolution |
int |
300
|
Specifies the resolution of the exported image, which can be 72, 96, 100, 150, 300, 600, or 1200.
|
| bitsperpixel
|
Color Depth
|
string
|
256 Colors
|
Specifies the color-level of the exported image.
- Monochrome
- Black and white only.
- 16 Colors
- 16 colors
- 256 Colors
- 256 colors
- 24-bit Color
- 24-bit color
- 8-bit Gray Scale
- The exported image will be a gray image with 256 gray scales.
|
PNG
The PNG branch of the tr tree specifies the exporting setting when the image type of the exported image is selected as PNG.
Syntax: tr.PNG.Treenode:= <value>
Example: tr.PNG.dotsperinch:=300 // Specifies the resolution of the exported image
| Treenode
|
Label
|
Type
|
Default
|
Description
|
| dotsperinch |
DPI Resolution |
int |
300
|
Specifies the resolution of the exported image. Options include 72, 96, 100, 150, 300, 600 and 1200.
|
| bitsperpixel
|
Color Depth
|
string
|
256 Colors
|
Specifies the color-depth of the exported image.
- Monochrome
- Export the graph with only black and white.
- 16 Colors
- Export the graph with 16 colors.
- 256 Colors
- Export the graph with 256 colors.
- 24-bit Color
- Export the graph using 24-bit color.
- 8-bit Gray Scale
- Export the graph using 256 gray scales.
|
PSD
The PSD branch of the tr tree specifies the exporting setting when the image type of the exported image is selected as PSD.
Syntax: tr.PSD.Treenode:= <value>
Example: tr.PSD.dotsperinch:=300 // Specifies the resolution of the exported image
| Treenode
|
Label
|
Type
|
Default
|
Description
|
| dotsperinch |
DPI Resolution |
int |
300
|
Specifies the resolution of the exported image. Options include 72, 96, 100, 150, 300, 600 and 1200.
|
| bitsperpixel
|
Color Depth
|
string
|
256 Colors
|
Specifies the color-depth of the exported image
- Monochrome
- Export the graph using black and white only.
- 16 Colors
- Export the graph using 16 colors.
- 256 Colors
- Export the graph using 256 colors.
- 16-bit Color
- Export the graph using 16-bit color.
- 24-bit Color
- Export the graph using 24-bit color.
- 8-bit Gray Scale
- Export the graph using 256 gray scales.
|
TGA
The TGA branch of the tr tree specifies the exporting setting when the image type of the exported image is selected as TGA.
Syntax: tr.TGA.Treenode:= <value>
Example: tr.TGA.dotsperinch:=300 // Specifies the resolution of the exported image
| Treenode
|
Label
|
Type
|
Default
|
Description
|
| dotsperinch |
DPI Resolution |
int |
300
|
Specifies the resolution of the exported image. Options include 72, 96, 100, 150, 300, 600 and 1200.
|
| bitsperpixel
|
Color Depth
|
string
|
256 Colors
|
Specifies the color-depth of the exported image.
- Monochrome
- Export the graph using black and white only.
- 16 Colors
- Export the graph using 16 colors.
- 256 Colors
- Export the graph using 256 colors.
- 16-bit Color
- Export the graph using 16-bit color.
- 24-bit Color
- Export the graph using 24-bit color.
- 8-bit Gray Scale
- Export the graph using 256 gray scales.
|
TIF
The TIF branch of the tr tree specifies the exporting setting when the image type of the exported image is selected as TIF.
Syntax: tr.TIF.Treenode:= <value>
Example: tr.TIF.dotsperinch:=300 // Specifies the resolution of the exported image
| Treenode
|
Label
|
Type
|
Default
|
Description
|
| dotsperinch |
DPI Resolution |
int |
300
|
Specifies the resolution of the exported image. Options include 72, 96, 100, 150, 300, 600 and 1200.
|
| ColorSpace
|
Color Space
|
string
|
RGB
|
Specifies the color space to use when the graphs are exported.
- RGB
- This color space is used widely in display. It uses red, green, and blue as primary colors.
- CMYK
- This color space is used widely in printing. It uses cyan, magenta, yellow, and black as primary colors.
- YCbCr
- This color space is used widely in video and digital photography systems. In this color space, Y is the luma component, while Cb and Cr are blue and red chroma components.
|
| bitsperpixel
|
Color Depth
|
string
|
256 Colors
|
Specifies the color-depth of the exported image.
- Monochrome
- Export the matrix as image using black and white only.
- 16 Colors
- Export the matrix as image using 16 colors.
- 256 Colors
- Export the matrix as image using 256 colors.
- 16-bit Color
- Export the matrix as image using 16-bit color.
- 24-bit Color
- Export the matrix as image using 24-bit color.
- 8-bit Gray Scale
- Export the matrix as image using 256 gray scales.
- 16-bit Gray Scale
- Export the matrix as image using 65536 gray scales.
|
| Compression
|
Compression
|
string
|
None
|
Specifies the compression method.
- None
- No compression
- PackBits
- PackBits compression
- LZW
- LZW compression
|
trgeo
The trgeo branch of the tr tree provides a group of settings for the exported GeoTIFF image.
Syntax: tr.trgeo.Treenode:=<value>
Example: tr.trgeo.epsg:=7789; // specifies EPSG of 7789
| Treenode
|
Label
|
Type
|
Default
|
Description
|
| gtmodel
|
GT Model
|
int
|
2
|
- Undefined = 0
- Projected = 1
- Geodetic = 2
- Geocentric = 3
|
| epsg
|
EPSG
|
int
|
4326
|
EPSG code
|
| linearunits
|
Linear Units
|
int
|
Meter
|
When GT Model = Projected.
- Undefined = 0
- Meter = 1
- Foot = 2
- Foot (US Survey) = 3
- Foot (Modified American) = 4
- Foot (Clarke) = 5
- Link = 6
- Link (Benoit) = 7
- Link (Sears) = 8
- Chain (Benoit) = 9
- Chain (Sears) = 10
- Yard (Sears) = 11
- Yard (Indian) = 12
- Fathom = 13
- Mile (International Nautical) = 14
|
| angularunits
|
Angular Units
|
string
|
Degree
|
- Undefined = 0
- Radian = 1
- Degree = 2
- Arc Minute = 3
- Arc Second = 4
- Grad = 5
- Gon = 6
- DMS = 7
- DMS (Hemisphere) = 8
|
| verticalunits
|
Vertical Units
|
int
|
Meter
|
- Undefined = 0
- Meter = 1
- Foot = 2
- Foot (US Survey) = 3
- Foot (Modified American) = 4
- Foot (Clarke) = 5
- Link = 6
- Link (Benoit) = 7
- Link (Sears) = 8
- Chain (Benoit) = 9
- Chain (Sears) = 10
- Yard (Sears) = 11
- Yard (Indian) = 12
- Fathom = 13
- Mile (International Nautical) = 14
|
|