Autocad To Pdf Convert

[Sebastian Thorndike]

Ireceived this drawing from a surveyor that has elevations. I want to build a surface of the EG and therefore convert these points to cogo points. I have watched all tutorial today and C3D does not seem to want to recognise these points.

Rick Jackson

Survey CAD Technician VI

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Trevor,

Thanks for posting your drawing.

As @Anonymous notes, there are no points, just circles. And a Surface won't allow adding Drawing Objects of type Circle. Using Data Extraction you can get the XYZ of each Circle, But there's a problem--half of the circles have a Z of 0:

So if you can figure out how to sort 1016 Rows into non-zero elevations you can add the point file to your surface and you're off to the races.

@Anonymous ,

Rick, I tried using _AeccCreatePtConvertAdeskPts, but got "ERROR: Invalid selection set!" when I selected the Circles.

Dave

Dave, I used the CREATEPTCOVRETADESKPTS (the one inbetween the LDD & SoftDesk in C3D2018, I noticed the file I uploaded was acting a little wonky so I exported the points from that file and created a new metric file from the OOTB dwt. Attach here. No elevations were at 0

Hey Rick,

I'm using 2018, but it's not working for me. I keep getting "invalid selection set".

I do notice that there are 2 kinds of circles, different layers, one with and one without elevations. If I could Data Extract only the Circles that have elevations, I could make it happen. I'm unable to find a way to get Excel to select all the rows with 0 elevation. You'd think that would be possible, but my Google-Fu is failing me.

Anyway, an interesting exercise.

Dave

I have unhidden the zz Ground Surface Layer Tin and creating the surface from the Drawing objects (lines or 3D Faces). I am able to grab onto the 3D faces, but I think because an elevation is not right the C3D doesn't let me to create the surfaces.

I'm trying to export my DWG file out as an STL, but apparently first I need to convert my block reference into a 3D solid. I just keep getting the error "Object cannot be converted". I'm a complete AutoCad n00b so would appreciate any advice or help you can give. Thanks!

Instead of arc I created a flat spline around the arc using all of the bottom endpoints at the "bull nose" transition. I then copied the spline and frame, trimmed the frame, and joined the entire profile to get the matching flat for your object.

draw a 2d polyline and a regular polyline and try to offset both of them and see what happens. the 2d will remain a 2d polyline but will now have about 10 times as many handles making it a little unmanageable for editing. the polyline will keep the same amount and spacing of handle.

a 2d polyline wil take up more memory than a regular polyline, as the vertex information is stored differently. the current 2d polyline system is how all 2d polylines used to be stored, and cad moved towards the newer way, "regular polylines" to cut down on memory use and regen time.

When I try to convert a 2d polyline to a regular polyline, it then asks me to choose between options like 'open' 'fit' 'close'. I'm not really sure which one to choose. I have been choosing 'open' but then it's like i have to choose it thousands of times. I don't know what is going on.

Haha, yeah I know its old as hell but I did a search on google and couldnt find any answers on it so when I found this thread I joined today to make sure the answer is out there for anyone who may need it in the future.

Hi,I am the new user of Allegro and i am trying to convert one of my autocad file to allegro. the problem i am facing is that it converted some of layers like dimension and outline ,but the polylines which i converted to etch layer is not comming as a filled solid, can any one told me how can i do this.

I have some drawings which i would like to convert to shapefiles which i will in turn store in a file geodatabase. The drawings which I want to convert come in form of point, polyline and polygon, and the workflow involves extracting different layers from the Autocad DWG files (as they appear in Autocad), and exporting them to shapefile (feature classes) in ArcGIS Pro. Does anyone have a way of automating this process in ArcGIS Pro so as to save on time and possibly reduce redundancy?

Not to disparage Autodesk, but AutoLISP is not a recent integration, it's been baked in for a long time and they haven't had much need to innovate. There's a huge ecosystem of scripts and addons that use it. Visual Lisp provides an object-oriented layer on top of AutoLISP. The reverse question to your statement: Why would Autodesk spend time and money developing a new interface when they have customers paying them to recycle the same old language ?

I am also having trouble with converting AutoCAD DWG to Adobe PDF. I have tried several different methods. I've tried outputing the color PDF to a post script file, however that is still in color. I've tried using custom Color Plot Styles (monochrome.ctb) and Named Plot Styles (monochrome.stb), but since I did not create the original AutoCAD DWG (it is 10 years old from 2004), they are not the correct plot style files. I do not have AutoCAD and use ProE/Creo instead. I've tried importing into my CAD tool, however all the fonts are different. I've also tried exporting the PDF to a raster format like TIFF but the resolution is really bad for engineering drawings. If I increase the resolution, then it sometimes will say that the image is too big and in cannot save/export the image.

It seems like this should be really simple to do in Adobe. I have Adobe Acrobat Pro 10. I can go to Tools > Print Production > Preflight > PDF Fixups > Convert to grayscale, which will convert to grayscale, but not to monochrome. Similarly I can go to Tools > Print Production > Convert Colors and select Conversion Profile to Gray Gamma 2.2, however that still will produce grayscale, but not monochrome.

Select all click the attached colour box and change all to white. Then save as so don t lose original one..Convert it.. Issue is when you wanna do convert Pdf to Cad.. I couldn t find any safety way to do that. And I gave my Pdf to Autocad conversion job to company..

We are converting 100s of DGNs to DWGs. All of our complex shapes (that have an arc as a component of that shape) in DGN are being converted to splines in DWG. We want to drop all splines to polylines, while still maintaining the arc information. Is there a way in FME to do that?

Converts arc features into lines replacing the feature geometry with a series of edges interpolated along the arc boundary. Ellipse features are converted into polygons by interpolating edges along the elliptical boundary.

FME should be reading the DGN complex shapes with Path boundaries, which can contain a mixture of lines and arcs. 2D paths will be written to DWG as LWPolylines, that can include arcs, but 3D paths will be stroked into 3DPolylines.

If your complex shapes are planar, you can use a ElevationExtractor to save the elevation to the attribute 'autocad_elevation', then a 2DForcer to convert them to 2D. These will be written to DWG as LWPolylines with elevation.

Hi @daveatsafe - I was hoping it would be that easy. When I just do a straight conversion in FME or out of MicroStation itself, the resulting features turn into polylines with the Arcs dropped to lines (I did verify that the drop complex chains/shapes was turned off). These are 2D microstation drawings, so I shouldn't have to worry about elevations.

The closest I can get is to drop the complex chains/shapes, then use snapper and LineCombiner to build those polylines back based on level, however that usually only connects one or two lines, not the whole thing. But it does keep the arcs. I was hoping to have the best of both worlds.

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Instructions provided describe the steps to convert AutoCAD DWG files to a GIS-compatible file geodatabase using ArcGIS Pro.

Before performing the following process, the projection for the CAD data must be defined. Refer to the following Knowledge Base article: How To: Identify the spatial reference, projection, or coordinate system of data. See also the related articles in that procedure.

After defining the projection for the DWG file, the file can be imported into a newly created file geodatabase using the CAD to Geodatabase geoprocessing tool. However, text from the CAD file is converted to points, and the descriptive text is saved as an attribute of the point feature class. You can label the points, then convert the labels to annotation in the geodatabase. Using the method outlined below, the original text can also be converted directly to annotation in the geodatabase.

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