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Forced Tarce

Forced Trace

CAD drafting Forced Tarce 0   This functionality is available only in the Raster module

Forced tracing allows you to replace raster objects with vector ones of a specified type. The user selects one of the three object types (line, arc or cirle) to be used as reference object for tracing (line, arc or circle), and then specifies points on a raster line, as if drawing a vector entity above the raster entity. The program tries to trace the specified object with a vector of the same shape. If possible, the raster line is traced. Unlike the TraceAuto command, these methods allow you to trace a part of a raster entity, as well as entities with significant shape distortions.

If the object width exceeds the value of Max. thickness parameter, or its shape cannot be approximated by the object of the specified type, then it is not traced.

When tracing by Line and Arc method, the ends (both or one of them) of reference lines and arcs can be specified outside the traced raster objects – on their imaginary continuation. In this case, the raster object is traced to its endpoints. If the ends of the reference objects lie on a raster object, then the part of the raster object located under the reference object is traced. If you want to recognize the line up to its finite limits, Check the Auto-extend vectors box in the Trace tab of the R2V Conversion Options dialog box.

Trace Line

CAD software Forced Tarce 1    Ribbon: Raster – Trace – Trace > CAD drawing Forced Tarce 2 Line

CAD drafting Forced Tarce 3    Menu: Raster – Trace > CAD software Forced Tarce 4 Line

CAD drawing Forced Tarce 5 Command line: TRACELINE

·         Run the command;

·         specify the beginning and end of the line lying on the raster object to be traced.

If the program cannot recognize the object under the vector line, a beep sounds.

Trace Arc

CAD drafting Forced Tarce 6    Ribbon: Raster – Trace – Trace > CAD software Forced Tarce 7 Arc

CAD drawing Forced Tarce 8    Menu: Raster – Trace > CAD drafting Forced Tarce 9 Arc

CAD software Forced Tarce 10 Command line: TRACEARC

·         Run the command;

·         Specify the first, middle and end points of the arc, lying on the raster arc to be traced.

To trace the next raster arc, repeat steps 1 and 2.

Trace Circle

CAD drawing Forced Tarce 11    Ribbon: Raster – Trace – Trace > CAD drafting Forced Tarce 12 Circle

CAD software Forced Tarce 13    menu: Raster – Trace > CAD drawing Forced Tarce 14 Circle

CAD drafting Forced Tarce 15 Command line: TRACECIRCLE

·         Run the command;

·         Specify two points – the ends of diameter of the raster circle to be traced.

To trace the next circle, repeat steps 1 and 2.

Trace Outline

CAD software Forced Tarce 16    Ribbon: Raster – Trace – Trace > CAD drawing Forced Tarce 17 Outline

CAD drafting Forced Tarce 18    Menu: Raster – Trace > CAD software Forced Tarce 19 Outline

CAD drawing Forced Tarce 20 Command line: TRACEOUTLINE

The Trace outline method is intended for tracing raster objects with closed boundaries. As a result of this operation, a closed polyline is created, it reproduces the object outline and the hatched area inside the outline.

To trace the outline:

·         In the Trace tab of the R2V Conversion Options dialog box, set parameters for tracing outline with the selected method;

·         Run the command;

·         Specify a point inside the outline.

The outline trace results depend on the parameters set in the Trace tab of the R2V Conversion Options dialog box.

Trace options

Specified option

Trace result


Auto extend vectors – disabled

The vector is created along the border of two colors; the hatch type depends on the type selected in the Options tab

CAD drafting Forced Tarce 21

Auto extend vectors – enabled

Creates a vector at the center of the raster line, taking into account its width; the line thickness is set in the Options tab

CAD software Forced Tarce 22

Export single contour – disabled

Creates outer and inner contours based on raster data within the boundaries of the specified area

CAD drawing Forced Tarce 23

Export single contour – enabled

Creates an outer contour only; raster data are ignored

CAD drafting Forced Tarce 24

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