|Full name||PDF - Portable Document Format||Stereolithography File Format|
|MIME type||application/pdf, application/x-pdf, application/x-bzpdf, application/x-gzpdf|
|Developed by||Adobe Systems||3D Systems|
|Type of format||Document format|
|Description||The Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it.||STL is a file format native to the stereolithography CAD software created by 3D Systems. This file format is supported by many other software packages. It is widely used for rapid prototyping, 3D printing and computer-aided manufacturing. STL files describe only the surface geometry of a three-dimensional object without any representation of color, texture or other common CAD model attributes. The STL format specifies both ASCII and binary representations. Binary files are more common, since they are more compact.|
|Technical details||The PDF combines three technologies: A subset of the PostScript page description programming language, for generating the layout and graphics. A font-embedding/replacement system to allow fonts to travel with the documents. A structured storage system to bundle these elements and any associated content into a single file, with data compression where appropriate.||An STL file describes a raw, unstructured triangulated surface by the unit normal and vertices (ordered by the right-hand rule) of the triangles using a three-dimensional Cartesian coordinate system. In the original specification, all STL coordinates were required to be positive numbers, but this restriction is no longer enforced and negative coordinates are commonly encountered in STL files today. STL files contain no scale information, and the units are arbitrary.|
|File conversion||PDF conversion||STL conversion|
|Associated programs||Adobe Acrobat, Adobe InDesign, Adobe FrameMaker, Adobe Illustrator, Adobe Photoshop, Google Docs, LibreOffice, Microsoft Office, Foxit Reader, Ghostscript.||TurboCAD, GOM Inspect, STL Viewer, Geomagic Explorer, Parametric Technology Creo, Dassault Systemes CATIA, KeyCreator, MeshLab, SolidWorks, Pro/Engineer, CloudCompare, Blender, AutoCAD, 3D Studio Max, Autodesk Inventor, Mechanical Desktop|
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How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by armaghan at July 01. 2014
How to convert jpg or pdf file into STEP, ACIS, BREP or IGES files?
I need to import a geological map (jpg/pdf) into salome to create meshing.
Re: How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by William Tougeron at July 01. 2014
You can use the New Entity > Import picture in viewer tool of the Geometry module.
Or, you can create a face and apply on it a texture: select it, then right-click in the 3D window, then select Texture.
Re: How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by armaghan at July 02. 2014
Thanks a lot for your help.
now i converted the jpg into GIF and import the picture in viewer from New Entity.
when i tried to create mesh of this picture with 2D algorithm: quadrangle (mapping), hypothesis: quadrangle preference and 1D algorithm:wire discretisation 1D: hypothesis automatic length (1) then apply and close.
its shows the mesh in the object browser but i can not able to see my picture but only the meshing blocks.
Re: How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by Christophe Bourcier at July 02. 2014
You need to convert the picture into a shape. You can use New Entity > Shape recognition to do it, but it is missing in the Salome binaries installed from the install wizards. It is available in the version installed from the universal binaries.
Re: How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by William Tougeron at July 02. 2014
It is not possible to superpose a picture + a mesh since the picture display is not available in the Mesh module...
By the way, you can synchronize 3D viewers of both Geometry and Mesh modules using the synchronize button (at the right of the Geometry module's 3D window). You can take screenshots of both windows in the exactly same position and fuse them with an external picture editor.
Re: How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by armaghan at July 04. 2014
First i imported picture in veiwer and then converted the picture into shape by using New Entity > Shape recognition.
its shows two options for Features
I selected Contours with further different options e.g. Kernel size : 3; smooth size:3 Hbins:30 Sbins:32 output type: Polyline.
i applied and close the window.
then i created a mesh with 1D algorithm -Wire Discretisation. Hypothesis:automatic Lenght_1-fineness 1,
and then computed the mesh.
it shows total nodes 249875 (attached). Is this correct?
Now i want to use Code Aster. please guide how to use ASTK?
Thanking in advance
Re: How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by Christophe Bourcier at July 04. 2014
I doubt you want to include the number from the axes in your computation!
And I guess you need a 2D mesh with face elements.
So you have to:
- build a proper contour (select only some points and create some curves via Create Curve Iterpolation)
- create a face out of it (create a square face, add the contour via Partition)
- create a 2D mesh.
- define some groups (edges for boundary conditions, faces for differentiating your domains)To learn how to use Code_Aster, start here: http://www.code-aster.org/V2/spip.php?rubrique68 or there
Re: How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by armaghan at July 08. 2014
i have created and computed 2D mesh again (attached). please check is it ok now?
can i use this mesh for Aster testing?
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Re: How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by Christophe Bourcier at July 08. 2014
No, it's not ok. Your mesh doesn't have the contour of your point of interest (the rivers on the map).
Create a wire from the rivers only, use partition to add it to the face you used for the meshing.
Create a mesh using Netgen 1D-2D. You should get triangles following the contours of the rivers.
Re: How to convert jpg or pdf file into STEP, ACIS, BREP or IGES filesPosted by armaghanfaisal at July 08. 2014
i have imported the picture and then make shape recognition. is it possible to make wire on imported picture?
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or do i need to make the geometry of the rivers in python script by adding latitudes and longitudes points?