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Questions tagged [cad]

Computer-aided design (CAD) is the use of computer technology for the process of design and design-documentation.

Computer-aided design (CAD) is the use of computer technology for the process of design and design-documentation. CAD is relied upon in various fields such as engineering, manufacturing and survey. Many CAD programs have an in-built means of programming their functionality. Examples being a macro language or lisp. Other programs may offer, or have had reverse-engineered, an API for more in-depth coding. There are various drawing formats, with .dxf being a ubiquitous one for interchange.

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Autocad scaling

I'm studing AutoCAD and encountered with a scale problem. I write a simple detail, but when i'm setting Lineweight 1.00 mm AutoCAD draw 2cm line instead of 1mm line. I tried to change scale in Annotate -> Dimensions -> Scale factor = 0.05, but it…
Alex Zhukovskiy
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exported to STL on MeshLab is no longer a text file

I have an .stl file produced by a scanner with a lot of triangles. I want to use that data to create a hole repair algorithm. To prepare the data, I want to reduce the amount of vertices. First, I use the MeshLab "Quadratic decimation" reduction…
Javier Chauvin
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Drawing lines with dimensions In Livecode

I am trying to write a small drawing program with Livecode, that will show the length of the drawn line over the line so it is available for editing, I also need to display the angles of the polygon for editing. The user should be able to select…
Caleb Ewing
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BRL-CAD orot command doesn't seem to fail, but doesn't look rotated

mged doesn't seem to complain with my syntax, but when I open the graphic window the wireframe nor raytrace the motor doesn't look like it was rotated relative to the cap. (this should look like a spray-paint can cap with a small motor inside…
nmz787
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AutoCAD 2015 cloud of 22k points

i have cad file with almost 22k points and i need make circles with the same diameter (30mm) around all of of them, but making it manually will took so long.is there some better way? Some autocad addon od macro? Thanks for any help
user3355244
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What does the ISAVEPERCENT variable do in AutoCad?

Currently, my save times can vary from 10 seconds to 3 minutes depending on the size of the file I am working on. Therefore, I have been attempting to decrease the save time for larger files for myself and others at my company and I came across the…
Szabolcs Pasztor
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Dialog modal in Autocad Map (2013)

I have a plan with a building and I was wondering if there is any way to attach to that entity something like a dialog modal (pop up). When you click on the centroid (or on the contour of the building) I want to open a pop up asking you to select…
radubogdan
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How can I increase the speed of redraw in AutoCAD like app

I'm developing AutoCAD like application in C++.I have implemented the basic functions such as pan,zoom and select.But it's very slow because when the mouse moved or zoomed,I must calculate the new position of all the elements and then redraw them. …
tangshuji
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Determine master point (key point) of 3D polygon, shape, surface

I have 3D polygon: solid (first case) and plane (second case). How to determine master point (key point)? Ex.: master points of a cylinder are the centers of its caps. I can't use convex hull algorithm because master point can be a part of a hull…
Dmitry K.
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Lexer for CAD NC programs

I'm evaluating the possibilities to track tool movement using nc programs in different formats as input. Using a lexer to tokenize the different program types into a meta layer, where only uniform tools and points, etc. exist seemed like a good…
mike
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PLM solution for research work

I am looking for a free PLM (Product Lifecycle Managment) solution to test some scientific work. I was looking in sourceforge.net but i cannot find any feedback. So, any help ?
Anis D
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Is there a software that can only render part of a mesh?

Is there such a software that can render only part of a mesh, while rendering the whole surface, as shown in the following picture? It will be perfect if it works for triangular mesh. Any help will be…
codeCcode
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Android: Autocad Coordinates are too large

I'm working on Autocad files reader for android , now I Only read DXF files using Kabeja library and it works great but when i draw simple shape in Autocad and try to draw it on Android it doesn't appear when i look to Autocad coordinates i find…
Ma7moud El-Naggar
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Where do i put a file I want to reference in an openscad project?

Im using the 'import' command but i'm not sure where to actually place the file in my file system. Thanks for the help.
nickthedude
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CAD to Feature Class

import arcpy fc = r'H:\H-ONUS UTILITY DATA GIS\As_Builts\2014\RandolphPoint_Phase2\789-AS-BUILT 8-7-13.dwg\Polyline' out_gdb = r'H:\H-ONUS UTILITY DATA GIS\As_Builts\2014\RandolphPoint_Phase2\RandolphPoint.gdb.gdb' field = 'Layer' values = [row[0]…
Nichole
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