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ElectCAD |
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| Summary |
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es tiling facility for scanning large drawings
on desktop scanners.
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Click here for a list of what's new in version 7.
Features marked
in the list below are available in the Pro version of
Scan2CAD only.
Scan
| Scan from inside Scan2CAD using TWAIN
(Acquire). |
| Use any TWAIN-compliant scanner of any
size. |
| Use any scanner of any size whose software
saves standard raster files. |
If you have a desktop scanner, you
can scan large drawings as a series of "tiles" that
you can assemble, merge and vectorize inside Scan2CAD:
- Use Acquire to grab scanner-sized "tiles"
from large drawings.
- Alternatively, load tiles that have been saved
as separate raster files.
- Re-assemble the drawing using accurate move,
deskew and merge tools.
- Tidy up and vectorize the drawing in the normal
way.
- Save As DXF to the same size and scale as
the original drawing.
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Load and save raster images
Load and save:
- BMP
- CALS (Type 1 - .CAL, .CALS, .GP4, .CG4, .MIL)
- GIF (not recommended)
- IMG
- JPEG (not recommended)
- PCX
- PNG
- TIFF
- GeoTIFF
Scan2CAD does
not support multi-layer/page TIFF files.
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| In theory the maximum raster image size
that Scan2CAD will handle is 32,000 x 32,000 pixels.
This equates approximately to a 13.3 foot x 13.3
foot or 4m x 4m drawing scanned at 200 dpi or
an 8.8 foot x 8.8 foot or 2.7m x 2.7m drawing
scanned at 300 dpi. For most drawings 200 or 300
dpi is optimal.
In practice the maximum raster image size that
Scan2CAD will handle is determined by your PC's
system resources - for example the amount of physical
and virtual RAM it has.
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| Load black and white, grayscale and
color raster images - 1 Bit, 4 Bit, 8 Bit and 24
Bit. |
| Convert between raster file types -
e.g. load a raster image as a BMP file and save
it as a compressed TIFF file to save disk space. |
View raster images
| Zoom into a selected area; zoom about
the cursor position; zoom about the screen center;
zoom extents; step back through the last ten views. |
| Pan. |
| Display a grid of raster pixels. |
| View the image's color palette, the
colors that are used in the palette and a histogram
of the colors that are used in the palette. |
| View raster image statistics - file
size, color depth, dpi. |
Edit raster images - raster effects
and clean up tools
| Most raster effects and clean up tools are color
aware and can be restricted to work on a single
color. |
Before |
After |
| Automatically remove speckles caused by dirt,
stains etc. (despeckle) or quickly erase dirty areas
using area erase and flood fill. |
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| Fill holes. |
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| Thin lines. |
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| Thicken lines. |
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| Thicken pixels - useful for filling dithered lines. |
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| Smooth - removes "hairs" from "hairy-looking"
images. |
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| Outline solid raster areas. |
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| Remove speckles of color to make colors more uniform. |
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| Detect edges between different colors. |
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| Negate or invert images to make black
areas white and white areas black. |
| Mirror images vertically or horizontally. |
| Rotate images through 90, 180 or 270
degrees, by user-defined degrees or by fraction
of a degree. |
| Automatically straighten images to a
reference line (deskew). |
| Scale images in the X and or Y directions
to make them larger or smaller. |
| Increase or decrease brightness and
contrast. |
| Crop. |
| Warp images to user-defined control
points (rubber-sheeting). |
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Edit raster images - raster draw
and erase tools
| Set pen / eraser thickness and pen color. |
| Three cursor options - Graphic, Pointer or Guide
Line (cross-hairs). Cursor visually shows pen thickness. |
| Draw or erase pixels (points), lines, ortho lines,
rectangles, circles, arcs, Bezier curves, solid
filled areas and freehand sketches. |
| Flood fill. |
| Enter TrueType font raster text - select font,
size, embolden, italicize, move text into logo layouts. |
Edit raster images - cut, copy,
move and paste
| Move areas of the raster image. |
| Cut, copy and paste within Scan2CAD. |
| Paste raster images from other applications. |
Edit raster images - color palette
editing tools
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Before |
After |
| Automatically reduce the number of colors used
on the image - makes colors more uniform for color
vectorization. |
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| Manually reduce the number of colors used on the
image. Display a histogram of colors to help choose
which colors to reduce to. |
| Decrease color depth. |
| Change one color on the raster image
to another. |
| Change the palette so that it matches
the palette in your CAD program. |
Vectorization - vector recognition
| Identifies continuous lines, dash and
dash dot lines, arrow lines, hatch lines, polylines,
circles, arcs or Bezier curves and text. |
Choose from ten supplied default conversion
types for quick and easy results - use the one that
best describes your drawing:
- Architectural.
- Electrical.
- Mechanical.
- CNC Profile.
- Site Plan.
- Contour Map.
- Sketch (traces every detail of a raster image
using many short lines).
- Outline (outlines solid areas of black or
color).
- Scanline (creates an exact vector copy of
the raster original. The vector image is made
up of many closely spaced parallel horizontal
lines).
- User (your own user-defined settings).
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| Default conversion types give good results
on most drawings but easy to use settings let you
control the conversion process if you want to. Settings
include:
| Center line tracking, outline
tracking or both.
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Center line
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Outline
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| Control whether vectors follow
the raster image loosely (produces less vectors)
or closely (produces more vectors).
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Loose
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Close
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| Specify a Gap Jump Distance -
Scan2CAD jumps over any gaps in the raster
image that are smaller than the value you
specify, allowing continuous vectors to be
produced over broken raster lines.
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Gaps
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Gaps jumped
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| Specify a Loose Ends Length -
Scan2CAD removes "loose end" vectors shorter
than the value you specify.
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Loose ends
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Loose ends removed
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| Choose to have vectors join or
pass at intersections.
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Join
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Pass
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| Align the vectors to a grid.
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Not aligned
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Aligned
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Snap angled lines that deviate
slightly from 0 or 90 degrees to 0 or 90 degrees.
Snap angled lines that deviate slightly from
30 or 120 degrees to 30 or 120 degrees.
Snap angled lines that deviate slightly from
45 or 135 degrees to 45 or 135 degrees.
Snap angled lines that deviate slightly from
60 or 150 degrees to 60 or 150 degrees.
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0 and 90 degree snap off
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0 and 90 degree snap on
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| Optionally identify dash and
dash dot lines, arrow lines, hatch lines,
polylines, circles, arcs and Bezier curves.
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Dash line identification off
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Dash line identification on
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In the illustrations above the raster image is
shown in gray and vectors are superimposed in
black. Where relevant vector ends are enclosed
in small squares.
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| Save your own conversion settings as
default. |
| Convert the whole raster image, or just
part of it. Convert different parts of the image
using different conversion settings. |
| Convert vectors separately or at the
same time as text. |
Convert one, some or all the colors in a color
raster image. |
Raster |
Vector |
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or

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Vectorization - OCR text recognition
and font training
| Convert text using OCR - turns text into
editable vector text rather than text made
up of small lines. |
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Raster |

Vector |
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OCR conversion settings include:
- Set Character Rotation so text is recognized
the right way up.
- Choose Character Set - Standard recognizes
all characters, Number recognizes numbers and
symbols only.
- Split touching characters - may improve text
recognition where raster characters have bled
into each other.
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| Convert text on the whole raster image, or just
part of it. Convert text on different parts of the
image using different OCR conversion settings. |
| Convert text separately or at the same time as
other drawing elements. |
Train Scan2CAD to recognize a wider range of
fonts, including your own non-standard (e.g. hand
drawn, stencilled) fonts. |
Vectorization - batch vectorization
Specify multiple raster images for conversion
at a convenient time - like during lunch or overnight
when you are not using your PC. |
Batch process includes pre-conversion raster
tidy up options - Speckle Removal, Hole Removal,
Thicken Line, Thicken Pixels, Smooth. |
Create vector TrueType font outlines
- Select a font.
- Write some text.
- The text is converted to 100% accuracte vector
outlines that you can export to your CAD or
CNC program as DXF.
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View vectors
| Zoom into a selected area; zoom about the cursor
position; zoom about the screen center; zoom extents;
step back through your last ten views. |
| Pan. |
| Display a grid. |
| A single key or icon click displays the raster
image only, vectors only or the vectors superimposed
over the raster image (raster overlay). |
| Fade the raster image so you can see the superimposed
vectors more clearly. |
| View vectors by color or by type. When viewed
by type vectors are shown in different colors depending
on what they are - continuous lines, dash or dash
dot lines, arrow lines, hatch lines, polylines,
circles, arcs, Bezier curves or text. |
| View vector extents by turning on grab points
at vector ends or by highlighting an individual
vector. |
| View vector ghosts - see the old position of vectors
after you've edited them. |
| View vector statistics - number of vectors, time
taken to do the vectorization. |
Edit vectors
| Vector editing tools are color aware and can be
restricted to work on a single color. |
| Guide Line cursor - large, screen-wide cursor
with cross hairs helps to align vectors to each
other accurately. |
| Snap vectors to a grid. |
| Stretch vectors by dragging grab points at vector
ends and arc mid points. |
| Reshape Bezier curves by dragging Bezier control
points. |
| Click to snap together all the vector end points
within a user-defined snap distance. |
| Split a line into two by clicking on it. |
| Join two vectors together by clicking on the node
point between them. |
Quickly convert vectors from one type to another
by clicking on them:
- Convert arcs to lines and lines to arcs.
- Convert Bezier curves to lines and lines to
Bezier curves
- Convert polylines to lines and lines to polylines.
- Convert continuous lines to dash, dash dot
or arrow lines.
- Convert dash or dash dot lines to continuous
or arrow lines.
- Convert arrow lines to continuous, dash or
dash dot lines.
- Convert hatch lines to continuous, dash or
dash dot lines.
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Edit vector colors. |
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Edit vector text
Spellcheck vectorized text for quick and easy
editing.
- Includes a 30,000 word UK and US Design Dictionary.
- Add words common to your drawings to the Dictionary.
- Create your own Dictionary in any language.
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| Simply click on vector text to edit or delete
it. |
| Edit text content, angle, size, origin, color. |
| Make all the text on the drawing or in a selected
area the same height. |
| Move text. |
Draw and erase vectors
| Draw on new sheet or trace over raster image (raster
overlay). |
| Set pen color. |
| Snap to grid. |
| Drawing tools include point, line, ortho line,
rectangle, circle, arc, Bezier curve, freehand and
text. |
| Erase vectors individually or in a block. |
Save vectors
| Output DXF files that you can read into any PC
CAD, CNC or GIS program including all versions of
AutoCAD and LT - no known compatability problems
with any PC CAD program. |
| DXF can be saved to the same size and scale as
the original paper drawing. |
| DXF can be saved with coordinates assigned to
a known point. |
| Bezier curves can be saved in the DXF file as
splines, arcs or polylines. |
Save color DXF files. Each color can be saved
on a separate layer. Layers can be matched to your
CAD program's palette. |
| Export HPGL plot files. |
| Save text as an ASCII text file. |
Printing
| Print all or part of a raster or vector image
to fit paper or to scale. |
Command line
Automate virtually any sequence of Scan2CAD
commands. |
Run Scan2CAD from other applications. |
Technical support and documentation
| Optionally supplied on CD with a comprehensive
printed manual. |
| Interactive video tutorials that run on your PC
let you learn Scan2CAD in minutes. |
| Fast, free email and telephone technical support. |
System requirements
| Any PC running Windows '95, '98, ME, NT, 2000
or XP. |
| Minimum 32Mb RAM, but if you are going to be converting
large or color raster files, the more RAM your PC
has the better. |
| We recommend a minimum screen resolution of 800
x 600. |

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