AutoCad :: VBA To Read Blocks Attributes Inside DWG
May 23, 2013
At each projects, i need to copy and paste the values of attributes of all instances of a type of block in my drawings, paste them in a excel sheet, it take so much time and is possible to make errors.
Is there hints to read a DWG as a text file and retrieve the attributes values of all these blocks ? I would give special names to these blocks, and also specific quantity of attributes, to work.
I meant Excel VBA, not AutoCAD VBA, cause i will manipulate excel sheets depending on the results.
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Apr 4, 2013
I need a lisp code to burst all "blocks with text/attributes inside" in selected area. That means user should select an area (window selection) and lisp program should be find all blocks with TEXT or ATTRIB inside in selected area and then applys "BURST express tools" command to all these blocks in the selected area by user.
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Feb 19, 2013
I received a file that has a large number of blocks with unnamed blocks inside. I need them all to be by layer, and i really don't want to explode it.
How can I can do it?
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Oct 21, 2013
Is it possible to read attributes from drawings without visibly opening the drawings using an AutoCAD addin?
I am designing an addin where I need to open drawings from an electrical project and read an attribute without visibly displaying the drawing.
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Jan 8, 2014
I need to open a drawing and read block attributes in each layout.
Dim AcadApp As AcadApplication
Dim AcadDoc As AcadDocument
Try
AcadApp = GetObject(, "AutoCAD.Application")
Catch ex As Exception
[Code] ....
how to read each layout block attributes?
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Apr 9, 2013
Is there a way to change attribute properties (ex. text width factor) when the block is inside a multi leader? Double click on it only show the attribute value, not the enhanced attribute editor.
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May 5, 2010
I've made annotative blocks and I've made dynamic blocks... My intent is to integrate both but I can't find a way to move dynamic block parameters separately at different annotative scales.
In other words, if I insert an annotative dimension and add multiple scales I can move the dimension grips independently at each scale. If I insert a dynamic block I want to be able to use the dynamic block's action "grips" to do the same. However, with a dynamic block, if I move a stretch action at one annotation scale it moves the action at all annotation scales.
The attached file shows a simple example.
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May 19, 2013
I'm looking for a map tool that can convert feature data from an SDF file or SHP to autocad block's with attributes data. My client just want blocks with attributes and dont work with sdf or similares, they extract the attributes and then work them in other software, so, i wonder if there is a autocad map tool that make the conversion from feature data SDF to blocks with attributes, that will make the work mutch more easier and fast.
Other question relational with blocks. How can we link block attributes and excell in real time, where i could change cells data in excell and the update happens in the open drawing and vice-versa?
And would like to know if there is a way to make this happen without vba tools or lisp's...just with map tools.
C3D2011
MAP3D2011
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Mar 28, 2013
I would like to create a block that has an attribute that will always read left to right no matter which method used to rotate the block itself. I know this can be done attaching a rotate parameter to the block and not the attribute, but i want it to also work when using the rotate command.
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Oct 23, 2012
I have the follwoing error in C3D R2013.Unable to cast object of type 'Autodesk.AutoCAD.DatabaseServices.BlockTableRecord' to type 'Autodesk. AutoCAD. DatabaseServices.BlockReference'.
When casting from a number, the value must be a number less than infinity..Make sure the source type is convertible to the destination type
My code is:
Imports SystemImports Autodesk.AutoCAD.RuntimeImports Autodesk.AutoCAD.ApplicationServicesImports Autodesk.AutoCAD.DatabaseServicesImports Autodesk.AutoCAD.GeometryImports Autodesk.AutoCAD.EditorInputImports Autodesk.AutoCADImports Autodesk.AutoCAD.ApplicationServices.ApplicationImports Autodesk.AutoCAD.LayerManagerImports.
[code]..
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Oct 1, 2013
I use a routine to read all blocks from model space. It normally reads all blocks but now we have one issue.
A block is not read when it's placed below Y-coordinate -170.
- this is only on certain computers, on other computers it runs fine.
- this is only when the VBA program is started from paper space, if it's started from modelspace it reads all blocks.
Code I use to read all blocks:
Set objAutoCad = ThisDrawing.Application
Set objModelSpace = objAutoCad.ActiveDocument.ModelSpace()
For Each objEntity In objModelSpace
[Code]....
Since the problem is not on all computers I expect this problem is related to some setting in AutoCAD.
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Jul 25, 2013
some attributes you can double click and edit within the dialogue box, others you have to double click and they are greyed out in the box, you have to click the little button with ... on and edit in place on screen... why?
whats the difference between the block atributes? attached is an example...
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Mar 20, 2012
I'm working on creating some blocks for our office. Basically it is a simple block with a few lines that remain and then a couple attributes you can click on and change. I have added the attribute and all is working well.
My only issue is I would like to make the text in the attributes to be bold. For some reason I can't see to do this. Is it not possible.
Basically I want to try and get some of the attributes to stand out more than others. I tried changing the color and the lineweight of the attibute (which worked the color is different) but when it prints it doesn't change at all.
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Aug 3, 2013
I am looping over a set of 40000 entities converting them to blocks and adding 35 attributes to each block. Till here its fine my .net program converts to block and write atributes to each one of them in 2 hours. But after the program finishes and I try to save the file autocad takes ages to save the file and also it stops responding. Is autocad not able to handle 40000 blocks with attributes. I am using autocad 2013. The dll has been developed using visual studio 2010.
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Jan 16, 2012
I am trying to create a dynamic block with two attributes, a double grid head, when I add a stretch parameter to the head it only affects the first assigned attribute.
I have added a stretch parameter to each attribute and only the firt attribute will move. What are the rules with attributes in dynamic blocks, the only thing I found was I have to lock posistion for attributes to be affected by the paramter assigned by the dynamic block.
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Aug 13, 2013
Is there any way to export blocks INSIDE of another dwg?
Background info:
At my company, we have a series of template .dwgs that get copied every time a new project is created. We update the template files as we create new blocks, styles, etc...
When I'm working in a specific project and create a useful block, it would be nice to export that into the template file without having to open the template drawing and insert/redefine it.
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Apr 12, 2012
I have a large amount of P&ID drawings that have blocks with attributes. One of the blocks is missing an attribute field that I need so I recreated the block using the same name and added the missing attribute. When I reinsert the block and say "yes" to updating the block's definition within one of my P&ID drawings everything seems fine except when I try to edit the block to fill in that field.
The newly added attribute doesn't show up but when I right click one of these blocks and select Block Editor the new attribute field does shows up so the redefine did work I just can't use that attribute. Is this a bug in AutoCAD? How I can use this attribute?
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May 7, 2013
I have an access database attached to a blank drawing. The database is a list of existing oil wells. I want to have civil3d (or map) create a custom block (I already have the blocks created) inserted at a coordinate in the database and propagate the other fields in the database into attributes in the blocks. For instance, the first two fields in the database are the x and y. Some of the other fields in the database are the well status and company name. Is it possible for Map to read the first two fields to know where to put the block, then select the block to insert based on wells status and company name, and then complete attributes from the other fields (section, township, range, county, etc) into the block? I'm having a hard time getting my head wrapped around the map3d user's guide talking about topologies, link templates, object classifications, etc. Using Civil3D 2013 infrastructure design suite, Win 7 64-bit, office 64-bit.
Dell Precision T3600 - Windows 7 64-bit
NVIDIA Quadro 600
Intel(R) Xenon(R) CPU E5-1607 0 @ 3.00GHz 3.00GHz
8 GB ram - Two 1TB raid
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Nov 2, 2012
Every time I try to update blocks with attributes of a given layout, this only updates the last active layout. example:
I have three layouts: Layout1, Layout2 and Layout3
layout of the three blocks I would need to update the reference but I can Layout1 default that always takes the last active layout. In the following paper space specific code, but as it would to tell a particular layout.
Private Sub UpdateAttributesInDatabase(ByVal db As Database, ByVal blockName As String, ByVal attbName As String, ByVal attbValue As String) Dim psId As ObjectId Dim tr As Transaction = db.TransactionManager.StartTransaction() Using tr Dim bt As BlockTable = DirectCast(tr.GetObject(db.BlockTableId, OpenMode.ForRead), BlockTable) psId = bt(BlockTableRecord.PaperSpace) tr.Commit() End Using UpdateAttributesInBlock(db, psId, blockName, attbName, attbValue) End Sub
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Mar 22, 2012
I'm trying to set up a dynamic block with an attribute/field within it that the user(s) edit using a lookup table.
I understand basically that a field must be created as the attribute that then references a lookup table with the inputs listed. However, I really do not know how to create a lookup that has custom information such as below:
Site: Unit Code
Site X 100
Site Y 200
Site Z 300
All I have seen explains how to create a lookup from an existing parameter (liner etc) and I don't seem able to create something specific to my requirements. I forgot add that I want the user to see "Site X", "Site Y" etc in the dropdown - but the attribute to reflect only the Unit Code.
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Jan 9, 2014
I need to know if there is a way to link an attributed F-N bubble with qty's to the BOM. This is for electrical wiring diagrams for aircraft. So I have serveral part numbers to a BOM, but no real accurate way of finding total quantities other than manually going though the drawing.
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Dec 9, 2012
I am trying to create an attribute that displays the product of an Area of an object in the block and the value of a different attribute. For instance, here is what makes up the dynamic block:
1 rectangle (with width and height parameters and stretch actions)
1 Attribute called "ForcePerSQIN" - the value of this is entered separately for every instance of the block by the user
1 Attribute called "Total Force"
In the "Total Force" attribute, I want to create a field that contains a formula to multiply the area of the rectangle (which I am able to obtain with no problems using the Area property of the rectangle object type) by the value of the "ForcePerSQIN" attribute, which is user-defined. The problem I have is that it appears as if the value of this attribute is treated as text and thus cannot be used in the calculation; I get ######.
Is there a way to make the "ForcePerSQIN" parameter treat the user-defined value as a number instead of text so that it can be used in the calculation? Or is there a better way to accomplish my ultimate goal?
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Oct 7, 2011
I have been making blocks Annotative by using block Editor. I would open block Editor and change the block property to annotative. When I do that I notice that the block's attributes become unreadable. The block's attribute appears to become so squished up the I can't read it. I have tried to change the attributes width to make it readable but that does not work.
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Mar 6, 2012
I am looking for a macro that can edit the default value off the attriburte for each block in the drawing. The new value must be empty.
But there is one exception. When the length of the current value is equal to 8 then the macro's has to do nothing and the macro must continue to the next block.
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Apr 4, 2012
Just wondering how I would return attributes of blocks in my drawing's XRefs?
I've come across one example that is in VB but no luck.
I currently have a list in a form that consists of all the XRefs in my drawing and I wish to return all blocks and attributes that are linked to the selected XRef.
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Feb 6, 2012
I'll try to import a text file with a string: pointnumber, easting, northing, elevation, discription, but I get very big blocks and attributes in my drawing. I use Autocad 2011 Map 3D, on a windows XP OS. I'll importing the text string with the import command. Easting and Northing are for the position. The Elevation, pointnumber and discription are attributes from a block. I can only choose a block: "Map_Survey_point" This is the only block I can choose. When I import the text, the scale from the importing blocks are too big. How can I change the size of the block and attributes?
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Mar 6, 2012
When I bring a part in as a block into an assembly, is there a way to turn the block of just that part off and all its layers inside that block?
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Sep 18, 2011
I am asking the user to select points and insert a block at each of the selected points. On user exit from the point selection I draw a polyline connecting the blocks.
However, I cannot get the already inserted blocks to display until I complete the insertion of all blocks. How do I go about getting them to display as soon as they are inserted? The code segment below is inside a transaction and nothing appears on the screen till this transaction is committed' Pt(0 to 2) is defined as a double and is returned when the user selects a point with function
SelectPoint Do While SelectPoint(Pt) = True Dim MyPoint3D As New Point3d(Pt(0), Pt(1), Pt(2)) InsertBlockAtPoint(MyPoint3D, myTransManager, strBID, _ myBlockTable, CurrentBlockSpace, dwg, True)' strBID is a previously populated structure containing data about the block insertion details and Xdata to be added to the block reference Dim MyPolyPoint3D As New Point3d(Pt(0), Pt(1), 0) myPoints.Add(MyPolyPoint3D)' myPoints is a data set used to plot the polyline
[code]....
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Aug 19, 2011
Is there a way to put constraints on text and a rectangle? I'm trying to make a block so if i change the text the rectangle around it grows automatically. I know it's simple enough to just manually extend it but one of my engineers asked me to try and create this for him and i can figure it out.
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Oct 17, 2012
I just have a quick question (hopefully) about an activity I want a Dynamic block to perform.
I have a simple electric switch block (a line with an S over it), that in some cases is enclosed by a simple rectangle. When the switch is enclosed, I'd like the attribute to move further, to keep the spacing the same.
Is there a way to make the attribute move automatically with the display of the rectangle, maybe through some combination of Linear Move parameters, Visibility parameters, and a formula?
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Nov 21, 2013
Is it possible to increment text or attributes in a dynamic block? I'm want to create elevation text for grids that can start at a certain value and increment up or down from there.
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