You can define a parallel projection.
To determine the point or angle in model space, you can
Choose a preset 3D view from the View toolbar.
Enter a coordinate or angles that represent your viewing location in 3D.
Change to a view of the XY plane of the current UCS, a saved UCS, or the WCS.
Change the 3D view dynamically with your pointing device.
Set front and back clipping planes to limit the objects being displayed.
Viewing in 3D is available only in model space. If you are working in paper space, you cannot use 3D viewing commands such as VPOINT,DVIEW,or PLAN to define paper space views. The view in paper space is always a plan view.
.dwg is the default drawing format of GstarCAD; at present, GstarCAD is compatible with ever version of .dwg and .dxf files from 2.5 to 2010, it is means GstarCAD is compatible from AutoCAD 2.5 to AutoCAD 2012. If you are using AutoCAD 2013, you have to exchange the file with GstarCAD and save it as earlier .dwg version before 2010. By the way, GstarCAD will be compatible with AutoCAD 2013 soon.
ARX programs which are based on AutoCAD platform cannot run on GstarCAD directly, GRX is for GstarCAD, GRX has high compatibility with ARX, usually, and it can be used on GstarCAD platform after just a little modification.
Yes, GstarCAD has more than 100 functions in Express Tools which are similar to AutoCAD, and some of them are GstarCAD unique features such as drawing compare,GstarCAD tools. All of them help engineers work more efficiently.
Yes, GstarCAD supports AutoLisp, Vlisp, ADS (SDS), VBA, ARX for your own applications. If your Lisp,ADS, VBA, ARX applications are based on IntelliCAD or AutoCAD, most of the applications can be migrated to GstarCAD directly with just a little or no modification.
The font file that displays the character doesn't exist in GstarCAD. You can change it into other font file or copy this font file to font library.
Parallel projection does not produces realistic views whereas perspective projection produces realistic viewin parallel projection lines of projection are parallel whereas in perspective projection lines are not parallel and the point where these lines meets is called ceter of projection in case of perspective projection
posteroanterior projection
'po';op'[ 'po';/l.;;
That's true of the Mercator projection, among others.
a parallel is two line that never cross each other
perspective projection is defined by straight rays of projection drawn from object to the centre of projection and image is drawn where these rays untersect with the viewplane...while parallel projection is defined by parallel lines drawn from object in fixed direction towards the viewplane In perspective projection centre of projection is at finite distance from viewplane and in parallel projection centre of projection lies at infinite distance. respective projection form realistic picture of object but parallel projection do not form realistic view of object
anteroposterior
oblique
anteroposterior
A PA film has the patient facing and parallel to the film.
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ReducethequantityofapplicationprogramsrunningtogetherwithWindows,andthequantityofopeningdrawingsin GstarCAD .Use"Purge"toeraseuselessdrawingdatuminDWGdrawing.Reducesnapitemsornotsnapifnotnecessary.