QCAD Bugtracker

The Application Preference setting “Graphics View - Appearance - Prevent white-on-white/black-on-black display” seems to be a global setting that doesn’t take the draw order into account. For example: With the setting enabled, it prevents creating a white hatch of a higher draw order on top of a larger, colored hatch with lower draw order (background). The preference does not seem to evaluate if the object is truly drawn as “white-on-white”.

With the preference enabled, setting the object color as “white” will set the “white” color label, but the object color actually stays black. Its hard to determine why it happens in that case.

Is it possible to let the global preference setting be applied to objects after evaluation of the draw order, and determine if the object actually is a true case of white-on-white?

My workaround: Disable the preference setting (I think it is default = on), and only enable it for ad-hoc checks of hidden and overlooked objects.

Add preference to use a single, configurable color for all locked layers.

See also:
https://www.qcad.org/rsforum/viewtopic.php?f=89&t=4879#p17953

See also:
https://www.qcad.org/rsforum/viewtopic.php?f=89&t=6447

Add support for custom dimension labels created in 3rd party applications. Such labels may contain text that is stripped by QCAD.

See:
http://www.qcad.org/rsforum/posting.php?mode=reply&f=30&t=2677

Git head as well as 3.4.5 (trial), both with dxflib 3.3.4.0.

Start up QCAD, (with existing or new configuration, doesn’t seem to matter), “Save as” the completely empty drawing, choose “R15 (dxflib)” on Pro (only this one is available on community), save drawing.

Fire up AutoCAD 2000, try to load the empty drawing just saved.

Result:

DXF read error
Error in APPID Table
DXF read error on line 941.
Invalid or incomplete DXF input -- drawing discarded.

Problem not present when a completely empty drawing saved using Teigha in R15 format is opened (ie. it just results in an empty drawing in AutoCAD 2000). Problem is also not present when saving an existing drawing with Pro (trial) with Teigha and opening it in AutoCAD 2000. Problem does present when trying to open a dxflib-saved drawing in AutoCAD 2000.

Empty drawings created with both dxflib 3.3.4.0 in QCAD Pro 3.4.5 trial and Teigha whatever in QCAD Pro trial 3.4.5 are attached. (Community Git 135fd0 is identical to Pro - same dxflib version.)

Implement a command line switch to only show a list of given layers for dwg2* command line tools.

Add support to specify multiple blocks (layouts) to output (one per page).

We currently have a paper-space using two viewports with different layers from the model-space frozen. Unfortunately in the pdf output the layers which are frozen show up.
dwg2pdf should obey the specific frozen layer for each viewport

I’ve opened an existing, old dwg file in the Professional Trial edition, file(1) says it’s “DWG AutoDesk AutoCAD 2004/2005/2006”.
It contains (among other stuff) a floor plan with areas in m^2. A PDF export (from the original software used at the time, probably autocad) shows that this was displayed correctly.
However, in QCAD, I get a “\A1” and a very small number 2 instead. I’ll attach screenshots.

Regarding to forum post:
https://www.qcad.org/rsforum/viewtopic.php?f=33&t=8982&p=35836#p35836

dwg loaded in 3.27.1 frees QCAD (no response) and a Win10 PC. Same drawing loaded in 3.26.0 causes no problems. It looks to me that two hatches (handle 198b6, 198ba) are the culprits.
Drawing saved without those hatches opens without any problem in 3.27.1.

TECNOFLEX symbol library.dwg = original file from forum post
TECNOFLEX symbol library_mod.dwg = my modification

Minor issue!
When using keyboard to initiate the dropdown menus.
I noticed the ALT “D” does not cycle through the headings Draw & Dimension in the same way.
ALT “M” cycles though Modify & Misc or ALT “S” cycles though Select & Snap.
User Name: StanTibbs
E-mail: [email protected]

Hallo Andrew

It would be more than conveniant, defining the drilling locations of the drill toolpath, by selecting a circle’s center point.

Add option to define length (end point) using mouse pointer.

If reference point is “Middle”, extend line from middle in both directions to mouse cursor (?).

See also:
https://www.qcad.org/rsforum/viewtopic.php?f=89&t=5205

As per https://qcad.org/rsforum/viewtopic.php?f=32&t=9089, I suggest to extend the distance information tools:

* show Delta Z (at least when any of the elements has Z information)
* allow switching between 2D and 3D distance
* maybe allow to show both
* maybe change the text to distinguish between them (”Distance” → “Distance 2D/3D”)

XP/32

... doesn’t works proper at circles and ellipses.

Circles: the scale works only proportional even though I have the options for x and y.
Ellipses: The same but if I play around with the x, y fields it will freeze the scale possibility.

Support disproportional scaling also for arcs, ellipses, other entities, not only lines and polylines with only line segments.

Approximation value for dimensioning, i.e. for example:
approximate to .5
measured valure 11.3456 > displayed value 11.5

Dimensioning - add option to split dimensions.

To have an option to split the extension lines if they run over other entities.

Dimensioning - add option to insert text in the middle of dimension.

To have an option to have text aligned in the middle of the dimension line, rather than above it.

Dimensioning - add option for horizontal text alignment.

Basically an option in drawing preferences to align text horizontally instead of vertically.

Support custom dimension text styles for imported DXF / DWG files.

I’m using QCAD Community Edition 3.27.7 on Windows 11.

When I started my drawing, I was able to change the size scale factor of (existing) dimensions using “Edit/Drawing Preferences/Dimension/Dimension Settings/Size scale factor”. However, suddenly this feature stopped working and now I cannot switch the dimension scale factor any longer.

I used this feature to be able to adapt the scale factor of the dimensions when printing in different scales.
I.e. all my drawings are in “original” size but when it comes to printing, I print some parts in scale 1:2 (in which case I used to set the size scale factor of the dimensions to 2) and some parts in scale 1:10 (in which case I used to set the scale factor of the dimensions to 10). Using this procedure, the dimensions have the same size (font size, arrow size, gaps etc.) on both drawings.

I have attached the drawing, that shows the described issues.

The square symbol offered as symbol in DIM label is the only symbol which doesn’t adopt the layer color.
If I print a drawing in full color it leads to a black symbol in an otherwise colored dimension.

It is also the only symbol which has a solid filling what is confusing when you work with it in Model_Space ...

Different dimensions font sizes in the same drawing.

Diametric text is always placed above a horizontal measurement.

I often want to indicate both the inside and outside diameter of an object e.g. a wheel using diametric text. The text is overlaid and illegible.

To avoid text overlapping, I use Horizontal Aligned because I can control the position of the text to avoid illegible text.

A better method would be to alternate the placement of diametric text (alternatively) above and below a measurement so that in the majority of cases an overlap would be avoided.

Similarly for a vertical measurement, the text is overlaid and illegible.

When the angle is almost vertical, the angle controls the side the text appears however it also reverses the direction of the text (which is logical but not attractive).

Kind regards
Simon

I’m used to have persistant selection while drawing (Application Preferences > Graphics View:Appearance > Selection), but I’m missing deselection of all objects with ESC key. I have seen the option to deselect with right key, but it’s nice to have right key for context menu.

Currently ESC key cancels current active command, but would be nice if there is no command active to also deselect all features by default.

Property Editor - Geometry - Custom - Add Custom Property

It would be nice to have in “Application preferences” the possibility to predefine a couple Custom Property Names.
Right now I use the Custom Property function to add a DIN and the Material info to every Block. This project has a lot of DIN parts and I have to type again and again the names DIN ... Material ... DIN ... Material ... DIN ... Material ... DIN ... Material ... DIN ... Material ... you got my point

If I have predefined Names - I have just to fill out the value

Would be nice to change default font type and size for command line widget.

Hi Andrew,

Still working with and on CAM HPGL for the HP7580 pen plotter.

I have added a penplotter test drawing, that might be used for testing en callibrating plotter and pens. You may add it to the Examples-directory.

QCAD has a lot of trouble creating toolpaths and exports. Much too often it shuts itself down, or gets stalled. Why? I am not sure.

This is how I would implement this:

This would be a modification tool. Parts are selected, a toolpath is generated, and a dialog pops up to allow putting the tool path into an existing layer, a new layer, or replace all drawings in an existing layer.

This is how the toolpath is generated:

We iterate through all elements and explode everything but text into line segments. Then we connect the line segments into chains wherever the line endpoints are less than some tolerance away from each other. The chains can be very chaotic, but at least we have separate entities for now.

For every chain, we need to find the largest complete loop. A good drawing would only contain non-overlapping loops, but we can’t expect that. Everything that is not on this loop can not be defined as a part or as a hole, so we will merely create a tool path segment that is equivalent to the line segment. Every segment that *IS* on a loop is either an outside edge (part outline), or an inside edge (hole outline), (or overlapping, in which case it is neither, and we have an operator problem).

In a perfect world, we need to find exactly which shape is inside which other shape, and then create alternating tool offsets from the outmost loop (part edge) to the second outmost (hole), to the next (part) etc. .

In a simplified world, we can used the bounding box of the loop instead. This works OK for rectangular shapes, but a circle next to an “L” shape could be seen as inside the L’s bounding box, hence inside the L, wrongly accused of being a hole, not a part.

Now all that is left to do is to create a new loop, offset by the tool radius. Oh, and since we have the connections from line segment to line segment in the correct order already, we can use the opportunity to order all cutting loops from inner to outer, or from small to large, and order non-loop edges by travel distance.

The new drawing in the new layer can now be exported without further hassle to create a nice laser cut file.

PS: of course, a user could create multiple layers for marking, cutting, enraging, etc. . Additional Layer attributes for cutting speed and laser power (and a few more) would be needed.

no task description

QCAD Professional 3.27.6.0 running on macOS 12.4 (21F79)

QCAD sometimes crashes when I am adding or removing items from toolbars. It isn’t consistent and I haven’t seen a pattern about which items trigger the crash. It has happened while editing different files, but I’ve attached attached a very simple example and two crash reports

The application crashes when I try to change a shortcut in the preferences. And only after resizing the preferences window.
In the attachement are the cli warnings.
I also tried the 3.24.3.9 snapshot with the same result.

1. Create spline
2. Move spline nodes. After ~10 times move qcad is crashed with backtrace:
Thread 9 “Thread (pooled)” received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff56dc9640 (LWP 8224)]
0x00007ffff66fabf2 in QList<QSharedPointer<RShape> >::node_copy (this=<optimized out>, src=0x55537c59e758, to=0x555557f66408, from=0x55537cfdc848) at /usr/include/qt5/QtCore/qlist.h:492
492 current→v = new T(*reinterpret_cast<T*>(src→v));
(gdb) bt
#0 0x00007ffff66fabf2 in QList<QSharedPointer<RShape> >::node_copy (this=<optimized out>, src=0x55537c59e758, to=0x555557f66408, from=0x55537cfdc848)

  at /usr/include/qt5/QtCore/qlist.h:492

#1 QList<QSharedPointer<RShape> >::detach_helper (alloc=<optimized out>, this=0×555557311620) at /usr/include/qt5/QtCore/qlist.h:835
#2 QList<QSharedPointer<RShape> >::detach_helper (this=0×555557311620) at /usr/include/qt5/QtCore/qlist.h:849
#3 QList<QSharedPointer<RShape> >::detach (this=0×555557311620) at /usr/include/qt5/QtCore/qlist.h:178
#4 QList<QSharedPointer<RShape> >::detach (this=0×555557311620) at /usr/include/qt5/QtCore/qlist.h:178
#5 0x00007ffff686182a in QList<QSharedPointer<RShape> >::end (this=<optimized out>, this=<optimized out>) at /usr/include/qt5/QtCore/qlist.h:342
#6 QList<QSharedPointer<RShape> >::last (this=0×555557311620) at /usr/include/qt5/QtCore/qlist.h:364
#7 RSpline::appendToExploded (this=0×555557311510, line=...) at math/RSpline.cpp:964
#8 0x00007ffff6867059 in RSpline::getExploded (this=0×555557311510, segments=1457293328) at math/RSpline.cpp:919
#9 0x00007ffff686682a in RSpline::getLength (this=this@entry=0×555557311510) at math/RSpline.cpp:1026
#10 0x00007ffff6c11490 in RSplineData::getLength (this=<optimized out>, this=<optimized out>) at /usr/src/debug/qcad-3.27.0.0/src/entity/RSplineData.h:178
#11 RSplineEntity::getProperty (this=0x5555573114a0, propertyTypeId=..., humanReadable=<optimized out>, noAttributes=<optimized out>,

  showOnRequest=<optimized out>) at /usr/src/debug/qcad-3.27.0.0/src/entity/RSplineEntity.cpp:253

#12 0x00007ffff67cc214 in RPropertyEditor::computePropertyValue (ccProp=...) at /usr/src/debug/qcad-3.27.0.0/src/core/RPropertyEditor.cpp:574
#13 0x00007ffff67d298f in QtConcurrent::FunctionWrapper1<void, RProperty&>::operator() (u=..., this=0x555557757f18)

  at /usr/include/qt5/QtConcurrent/qtconcurrentfunctionwrappers.h:80

#14 QtConcurrent::MapKernel<QList<RProperty>::iterator, QtConcurrent::FunctionWrapper1<void, RProperty&> >::runIteration (it=..., this=0x555557757ee0)

  at /usr/include/qt5/QtConcurrent/qtconcurrentmapkernel.h:68

#15 QtConcurrent::MapKernel<QList<RProperty>::iterator, QtConcurrent::FunctionWrapper1<void, RProperty&> >::runIterations (this=0x555557757ee0,

  sequenceBeginIterator=..., beginIndex=<optimized out>, endIndex=15) at /usr/include/qt5/QtConcurrent/qtconcurrentmapkernel.h:77

#16 0x00007ffff67d2c9d in QtConcurrent::IterateKernel<QList<RProperty>::iterator, void>::forThreadFunction (this=0x555557757ee0)

  at /usr/include/qt5/QtConcurrent/qtconcurrentiteratekernel.h:255

#17 0x00007ffff44b5b2d in QtConcurrent::ThreadEngineBase::run (this=0x555557757f20) at qtconcurrentthreadengine.cpp:302
#18 0x00007ffff59c8d52 in QThreadPoolThread::run (this=0x555556198b10) at thread/qthreadpool.cpp:100
#19 0x00007ffff59c5a61 in QThreadPrivate::start (arg=0x555556198b10) at thread/qthread_unix.cpp:329
#20 0x00007ffff546c717 in start_thread (arg=<optimized out>) at pthread_create.c:435
#21 0x00007ffff54f018c in clone3 () from /lib64/libc.so.6
(

Select lines, arcs, ... and convert them to points along the lines, arcs, ... with a fixed distance.

See also forum at:
http://www.ribbonsoft.com/rsforum/viewtopic.php?t=1834

I love using the context menu, speeding up my workflow indeed.

I would like to suggest that we have the added option to show only icons if desired and also that maybe an option to save and show commonly used tools!

Maybe the context menu could be configurable to show two columns, one for the normal last used tools and the othjer one for the user saved tools?

What do you think?

A line with linestyle = dots and line weight = 0.00 appears in model space overly spaced, all other lineweights behave as expected.
Suspect other linestyles to behave in a similar fashion.

See attached drawing.

Suggested fix: use the same scaling for lineweight 0.00 as for lineweight 0.05.

In the comnmand line, I can sucessfully enter for example the radius of a circle to draw (Space 100 Enter) but the command line does not accept a value for the distance when drawing parallel lines (l p space 100 enter → error).

command line arguments: allow class name after -exec

In my example I can’t draw a circle with circletangent2 if the defining point is on one of the defining tangents. The tangency is lost when I try to do this.

I attached 4 screenshots: TheExample.png, TryingPoint1.png, TryingPoint2.png and The_Point_Isn’t_On_The_Tangents.png.

An option in the drawing preferences to change the line thicknesses for arch ticks would be a huge plus, at the moment I am having to insert ‘arch tick’ blocks for this.

Change a quote value modify the drawing + link quotes with entities

In other words, makes quotes editable AND linked to entities.

• Today in the properties, the value is read only. Being able to edit the value would modify the linked entity properties to fit the new quote.

• Changing a property would change the linked quotes accordingly. Today, if I change a circle diameter which is quoted, the quote remain where it was and is no more relevant.

Add support for importing Carbide Create files (.c2d).

Format is JSON based, human readable.

Openning a big file or doing any action in it, takes minutes to load.
Even dragging the scrollbar slightly left or right, takes mintues to redraw the canvas again, which makes QCAD un-usable for professional use.
Is there a way to make QCAD usable, after loading completed:
- Like suppressing edit until user says so,
- or taking snapshots of rendered canvases to another file and use it, as windows uses thumb.db ( for negative latency :P )

PS: I wish I could help a bit, but my hand are tied. I am just a java freak, I am opt to any idea of porting it to java, if she is still alive.

Tuğalsan Karabacak
EEE, MSc Mobile Comp & App, IWE

Hallo Andrew,

Still busy on the never ending G-code story. Urgently needed the very common Traverse Toolpath.

Example added as pdf.

Greetings

Hallo Andrew,

Still busy on the never ending G-code story. Urgently needed the very handy G-code Block Toolpath. This ‘toolpath’ also solves a lot of “editing requests”.

See also:
https://www.qcad.org/rsforum/viewtopic.php?f=2&t=8342

Hallo Andrew,

Found a bug in the 3D Simulator execution

Would it be possible to arrange the Menu, CAD-Toolbar, Toolbar, Menu, Tool Matrix with customized keywords, like “simple”, advanced” and “expert” to show only a minimum for user there are begin with CAD, advanced for CAD-User, and expert for construction.