CGM Element

Supported Attributes

Imported into ImageGear as:

Font names

Font name

HIG_VECT_FONT objects.

Color Model

Color model

Processed internally.

Affects the interpretation of the colors when reading file content.

Color selection mode

Mode: True color or indexed

Processed internally.

Affects the interpretation of colors.

Background color

RGB color value

Background color of the view.

VDC extent

Left

Top

Right

Bottom

Processed internally.

Affects the interpretation of different ranges. Also, used as a range of the view.

Begin Picture Body

Processed internally.

End Picture body

Processed internally.

Line and Edge type definition

Type

Pattern

Pattern Length

HIG_VECT_LINETYPE object.

Edge width specification mode

Mode: absolute, scaled, fraction, mm.

Processed internally.

Affects the interpretation of edge width of HIG_VECT_LINETYPE object.

Line width specification mode

Mode: absolute, scaled, fraction, mm.

Processed internally.

Affects the interpretation of line width of HIG_VECT_LINETYPE object.

Marker size specification mode

Mode: absolute, scaled, fraction, mm.

Processed internally.

Affects the interpretation of size of Poly Marker objects.

Line representation

Line type

Line width

Line color

Affects the interpretation of Line and Polyline objects.

Marker

representation

Marker type

Marker size

Marker color

Affects the interpretation of Poly Marker objects.

See Poly Marker section.

Text representation

Font index

Precision

Spacing

Expansion

Color

Affects the interpretation of Text objects.

Fill representation

Font index

Precision

Spacing

Expansion

Color

Used for creating HIG_VECT_FILLTYPE object when creating the filling entity.

Edge representation

Edge type

Edge width

Edge color

Affects the interpretation of edges when creating such entity as IG_VECT_ENT_FIGURE (see below).

Real Precision

Fixed or floating indicator

Whole part

Fractional part

Processed internally.

Affects the interpretation of many floating-point parameters.

Color index precision

Precision

Processed internally.

Affects the interpretation of color indices.

Index precision

Precision

Processed internally.

Affects the interpretation of indices for different tables.

VDC Integer precision

Precision

Processed internally.

Affects the interpretation of many integer parameters.

VDC real precision

Precision

Processed internally.

Affects the interpretation of many floating-point parameters.

Transparent cell colors

On/Off flag

Color

Processed internally. Turns on/off the transparent color for cell array being represented by IG_VECT_RNT_RASTER (see below).

Color precision

Precision

Processed internally.

Affects the interpretation of true colors.

Maximum color index

Maximum index

Processed internally.

Defines a size of the internal palette.

VDC type

Type

Processed internally.

Defines a type of parameters – either integer or float.

Integer precision

Precision

Processed internally.

Affects the interpretation of many integer parameters.

Color model

Color model

The only RGB is supported by the ImageGear CGM filter.

Metafile default replacement

Default replacement flag

Processed internally. Turns on the default setting mode.

Begin picture

Defines begin of HIGEAR page.

Begin figure

Starts IG_VECT_ENT_FIGURE entity. All objects being read inside Begin figure/End figure block will be added to the figure entity container.

End figure

Finishes IG_VECT_ENT_FIGURE entity. See above.

Color table

RGB color values

Processed internally. Creates the internal palette.

Aspect source flags

Type

Value

Processed internally.

Affects the interpretation of different objects and parameters.

Line Width

Width

Specifies a width for HIG_VECT_LINETYPE object.

Line bundle index

Index

Specifies a set of predefined parameters for line objects.

Line type

Type

Specifies a pattern for HIG_VECT_LINETYPE object.

Line color

Color

Specifies IG_VECT_ENT_ATTR_DRAWCOLOR attribute for entities.

Polyline

Vertices

IG_VECT_ENT_POLYLINE entity.

Disjoined polyline

Vertices

IG_VECT_ENT_POLYLINE entity.

Connection edge

IG_VECT_ENT_CONNECTION entity.

Clip rectangle

First corner

Second corner

IG_VECT_ENT_VIEWPORT entity.

New region

New region for IG_VECT_ENT_FIGURE entity.

Text bundle index

Index

Specifies a set of predefined parameters for text objects.

Text color

Color

Specifies a color for HIG_VECT_TEXTOBJ object.

Character height

Height

Specifies text height for HIG_VECT_TEXTOBJ object.

Text font index

Index

HIG_VECT_FONT objects.

Character spacing

Spacing

Specifies character spacing for HIG_VECT_TEXTOBJ object.

Character expansion factor

Expansion

Used for calculating the character width for HIG_VECT_TEXTOBJ object.

Restricted text type

Type

Specifies restriction type for IG_VECT_ENT_TEXT entity.

Text alignment

Horizontal alignment

Vertical alignment

Specifies an alignment for IG_VECT_ENT_TEXT entity.

Text path

Path

Specifies an orientation of IG_VECT_ENT_TEXT entity.

Character orientation

XUp

YUp

XBase

YBase

Specifies an orientation of characters for HIG_VECT_TEXTOBJ object.

Restricted text

Delta width

Delta height

Text position

Final/not final flag

Text string

IG_VECT_ENT_TEXT entity.

Append text

Final/not final flag

Text string

IG_VECT_ENT_TEXT entity.

Text

Text position

Final/not final flag

Text string

IG_VECT_ENT_TEXT entity.

Edge visibility

Visibility

Affects the creation of IG_VECT_ENT_ATTR_DRAWCOLOR and IG_VECT_ENT_ATTR_LINETYPE attributes for entities.

Edge width

Width

Specifies IG_VECT_ENT_ATTR_THICKNESS attribute for entities.

Edge bulge index

Index

Specifies a set of predefined parameters for polygon edges.

Edge type

Type

Specifies a pattern for HIG_VECT_LINETYPE object. Applicable mostly to polylines.

Edge color

Color

Specifies IG_VECT_ENT_ATTR_DRAWCOLOR attribute for entities.

Fill bundle index

Index

Specifies a set of predefined parameters for HIG_VECT_FILLTYPE object.

Interior style

Style

Specifies a pattern for HIG_VECT_FILLTYPE object.

Fill color

Color

Specifies IG_VECT_ENT_ATTR_FILLCOLOR attribute for entities.

Hatch index

Index

Specifies a pattern for HIG_VECT_FILLTYPE object if interior style is a hatch.

Polygon

Vertices

IG_VECT_ENT_POLYLINEEX entity.

Polygon set

Vertices

Edge out flags

IG_VECT_ENT_POLYLINEEX entity.

Rectangle

First corner

Second corner

IG_VECT_ENT_POLYLINE entity.

Circle

Center

Radius

IG_VECT_ENT_ELLIPSE entity.

Circular arc 3 point

Starting point

Intermediate point

Ending point

IG_VECT_ENT_ARC entity.

Circular arc 3 point close

Starting point

Intermediate point

Ending point

Type of arc closure

IG_VECT_ENT_ARC entity.

Circular arc center

Center

Delta x for start vector

Delta y for start vector

Delta x for end vector

Delta y for end vector

IG_VECT_ENT_ARC entity.

Circular arc center close

Center

Delta x for start vector

Delta y for start vector

Delta x for end vector

Delta y for end vector

Type of arc closure

IG_VECT_ENT_ARC entity.

Ellipse

Center

Endpoint of first conjugate diameter

Endpoint of second conjugate diameter

IG_VECT_ENT_ELLIPSE entity.

Elliptical arc

Center

Endpoint of first conjugate diameter

Endpoint of second conjugate diameter

Delta x for start vector

Delta y for start vector

Delta x for end vector

Delta y for end vector

IG_VECT_ENT_ARC entity.

Elliptical arc close

Center

Endpoint of first conjugate diameter

Endpoint of second conjugate diameter

Delta x for start vector

Delta y for start vector

Delta x for end vector

Delta y for end vector

Type of arc closure

IG_VECT_ENT_ARC entity.

Marker bundle index

Index

Specifies a set of predefined parameters for markers. See Poly Marker section.

Marker type

Type

Specifies predefined type of marker. See Poly Marker section.

Marker size

Size

Specifies size of marker. See Poly Marker section.

Marker color

Color

Specifies color of marker. See Poly Marker section.

Poly Marker

Marker positions

IG_VECT_ENT_BLOCK entity with several entities in its entity container.

Cell array

Corner point P

Corner point Q

Corner point R

Nx

Ny

Local color precision

Array of cell color values

IG_VECT_ENT_RASTER entity.

Begin tile array

Position

Path direction

Line progression direction

Number of tiles in path direction

Number of tiles in line direction

Number of cells/tile in path direction

Number of cells/tile in line direction

Cell size in path direction

Cell size in line direction

Image offset in path direction

Image offset in line direction

Image number of cells  in path direction

Image number of cells in line direction

IG_VECT_ENT_BLOCK and IG_VECT_ENT_INSERTION entities.

IG_VECT_ENT_INSERTION references IG_VECT_ENT_BLOCK.

Tile

Compression type

• Supported types: Group4, 1D Group3, 2D Group3, JPEG
• Not implemented: Null background, null foreground, bitmap, run length, LZW, PNG

Row padding indicator

Cell color precision

Compression-specific parameters

Bit stream

IG_VECT_ENT_RASTER entity.

End tile array

Closes “Begin tile array”.

Begin segment

Segment identifier

IG_VECT_ENT_BLOCK entity.

Segment display priority

Segment identifier

Priority

Used internally to sort segment blocks in the drawing.

Copy segment

Segment identifier

Transformation matrix

IG_VECT_ENT_INSERTION entity that references the block specified by segment identifier.

Polybezier

Continuity indicator

Control points

IG_VECT_ENT_BEZIER_CURVE entity.

Non-uniform B-spline

Spline order

Number of control points

Control points

List of knots

IG_VECT_ENT_NURBS_CURVE entity.

Non-uniform rational B-spline

Spline order

Number of control points

Control points

List of knots

List of weights

IG_VECT_ENT_NURBS_CURVE entity.

End Picture

Finishes reading the page.

End segment

Closes “Begin segment” element.

End metafile

Finishes reading the file.

ImageGear Entity or Object

Saved as CGM Element

HIG_VECT_VIEW

VDC extent.

Begin picture body.

End picture body.

IG_VECT_ENT_BLOCK

Sequence of CGM elements for every entity.

IG_VECT_ENT_EASYLINE

Polyline.

IG_VECT_ENT_TEXT

Text, Restricted text, Append text, depending on the entity settings.

IG_VECT_ENT_POLYLINE

Polyline or polygon, depending on the entity settings.

IG_VECT_ENT_INSERTION

Sequence of CGM elements for every entity in the referenced block.

IG_VECT_ENT_RASTER

Cell array.

IG_VECT_ENT_ARC

Circular arc 3 point, Circular arc 3 point close, Elliptical arc, Elliptical arc close, depending on the entity settings.

IG_VECT_ENT_ELLIPSE

Circle or Ellipse, depending on the entity settings.

IG_VECT_ENT_NURBS_CURVE

Non-uniform B-spline or Non-uniform rational B-spline, depending on the entity settings.

IG_VECT_ENT_BEZIER_CURVE

Polybezier.

IG_VECT_ENT_NURBS_SURFACE

The surface is saved as a set of Polyline objects, without interpolation and without taking into account knots and weights.

IG_VECT_ENT_VIEWPORT

Clip rectangle.

IG_VECT_ENT_FIGURE

“Begin Figure”, several “New Region” and “End Figure” objects.

IG_VECT_ENT_CONNECTION

Connecting Edge.

IG_VECT_ENT_POLYLINEEX

Polygon set.

IG_VECT_ENT_EASY_SURFACE

The surface is saved as a set of Polyline objects.

IG_VECT_ENT_SHELL

A set of Polyline or Polygon objects, depending on the entity settings.

FN_IG_ENT_SOLID

Polyline or Polygon object, depending on the entity settings.