AutoCad :: Blocks On Layer 0
Jul 1, 2013
What is the general feeling about building blocks on layer 0 then using the layer controls to change the colors etc. after they are dropped into a particular layer?
In other words, I like to build a block labled "sample location" on layer 0 then depending on the layer it is placed in, it can be either red or blue (based on the test results).
I print out my drawings on letter sized paper in color.
Most of the time, my background image is a monochrome or greyscale tiff or a jpeg of a scanned in drawing.
Sometimes I will get a nice cad file to work with. with these drawings, I turn off all the extraneous layers that i don't need, and reset the layer colors to black and white. Often, though, the doors and windows are blocks on separate layers that I have to then modify to change the colors.
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Apr 24, 2012
I'm aware of the intricacies of layer zero, and the general rule-of-thumb to draw content inside of blocks on 0 so that the block takes on the properties of the layer it is inserted onto, can be isolated, etc.
I generally follow this rule, and where required, I change the line color inside of the block when I want to maintain a certain lineweight. (lineweights based on my plot settings for colors). My dilema is that i've got an intricate block. I'd like to be able to manipulate this block in a way that you'd isolate layers and change their properties. Is there any way to isolate a portion of lines inside of a block while still maintaining them either on layer zero or another (magical) sort of "transparent" layer?
As an example, i'll use the classic "existing", "proposed" door block. i'll draw the door, swing, and jamb all on layer zero. I will set the the swing portion red and dashed so that both existing and proposed swings appear the same. the door itself will then take on the properties of my existing and proposed door layers, respectively. Now say i'd like to edit my block. I want to isolate the swing portion and color it by layer. (obviously the example is lacking here since it would be easiest to just click on the arc) Can i group items inside of a block, or better yet, can i create a second layer and somehow edit the layer's properties so it is "dynamic", "transparent", or "magical" like layer 0?
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Aug 15, 2011
My script in VBA works perfect. Now i try to do the same with NET, but nothing happens. Here is the
Public Function CreateSelectionSet(ByVal SelectionSet As AcadSelectionSet, _
ByVal FilterCode As Integer, _ ByVal FilterValue As String) As Boolean
Dim iFilterCode(0) As Integer Dim vFilterValue(0) As Object
iFilterCode(0) = FilterCode vFilterValue(0) = FilterValue
[Code] .....
I can select something, but nothing happens... Where is the error?
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Jun 22, 2011
How do I assign the blocks coming in from Architect's drawing (Partition Panels - about 50+ styles and each style is a different block) to a different layer along with those layer properties without having to explode & re-define?
I want to keep them as blocks but for uploading to a IWMS system which will only recognize certain layer names. They are changing over to the layer name I select, but their properties are not (example: color)
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Jul 12, 2012
working with blocks, I want to be able to simple turn on and off certain layers of the blocks appropriate for the work I am doing at the time. However, no matter how I construct my blocks, on what layer i made them or insert them, I can only get one layer to turn on and off freely. Is there something I am missing with blocks to get it to work more smoothly?
Example... a door block with swing and frames. When you want to hatch a floor pattern, you have to click inside and outside the swing arc to hatch, and even then... there should be a line across the frame to close the opening... I just want to turn off the door and swing line, keeping the door frame and threshold line to make hatching easier.
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Mar 1, 2013
Many of the blocks my company uses were created with the linework within the block on Layer 0, and set to ByLayer.
When I insert it into a drawing, I put the block on a layer other than 0, and use that layer to control the color & linetype.
If I Xref a drawing, and want to turn off or freeze a layer I use the Freeze and Off buttons in the layers section of the ribbon (I'm working in 2012). This way, I don't have to figure out what layer an object is on to turn it off.
Here's the problem: When I try to freeze or turn off a layer by clicking on a block, it doesn't do anything to the layer that the block is on. It tries to effect layer 0. Even if I use the list command to find out what layer an object is on, it says it's on 0.
I found this article that seems to explain how to use layer 0 in blocks: [URL] ....
It seems my company is doing things exactly as that writer recommends. But it still seems incredibly faulty.
What is the best way to design and work with blocks? I always try to avoid using layer 0, but that would waste a lot of time trying to override the company standards.
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Jul 27, 2011
I'm working on a map which contains a large number of data points. One set of points represents a number of signalized intersections. Each point has object data associated with it, including information that I want to use to theme. In order to get the theme to work correctly, I have exported the points to SDF and then connected to that file using the FDO.
Once connected to the data, I created a theme that I am using to display the points. The points are set to display as blocks (all the same block) which only vary in fill color based on one item of the object data. So far, all of that works; all blocks display as desired and in the correct color.
The problem that I am having is in trying to make a dynamic label a part of the block. What I want is to display the contents of one field from the object data as text immediately below the block. To do that, I open the block in the block editor, then add an annotative text field (mapanntext command). I set the properties that I want with regard to text size, position, rotation, etc., and set the value to be the appropriate field from the object data table. However, when I try to display these blocks in the map, the text does not show up. I've checked the basic issues (text would be large enough to see, layer is set to visible, etc.), but I can't figure why everything else displays with no text.
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Nov 29, 2012
I have a dwg that is converted from vectorworks with 100+ blocks of different names. All line-weight and color is set to 0.00mm and white.
I want to be able to organize multiple Block into same layer so I can color them by layer and change visibility (hide/Lock) by layer. but when I select everything to organizes "by layer" only non-block line can be organized.
Is there a way I can change multiple block into same layer without exploding them?
I try:
1. select block and change layer in properties.
Failed.
2. "set to by layer"
Problem: layer of block is still not changed when open with reference edit.
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May 10, 2013
I have a drawing which has multiple blocks. When I explode one block there is an identical block underneath on layer 0.
Is there a way in AutoCAD 2012 to select all the blocks on layer 0 and delete them so that it would leave me with just the one set of blocks?
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Mar 17, 2011
I need to convert all polylines on layer to blocks. Each polyline gets replaced with a block that is near the approximate center of polyline. it can also be at the first or last node of pline. or just near the center. (polylines are rectangular).
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Feb 14, 2011
Any specific reason for keeping blocks in layer 0... and other out of layer 0 ??..
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Aug 16, 2011
I have a drawing with alot of blocks in it. All the blocks are were created on layer Default and I want to change that to 0. is there a command that will do this, so that i dont have to open every block?
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Nov 7, 2011
I thought when you created a tool pallet with blocks on a certain layer and put them in your drawing that the block would be placed on the layer it was created on? When I put a block that was created on 0 layer it will insert on my current layer? These blocks are on a network and I am the only one that has rights to modify them.
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Mar 22, 2013
I have a dynamic block symbol. It is a circle with two separate attribute elements at its side, with a line horizontally between them. No, this line is not a text underline; it is a separate line element that in one visibility state of the block must disappear.
My best results for blocks come when the element color of a block's geometry is set to "ByBlock" (attributes I leave as "ByLayer" color), and all of my elements, no matter what, I place on Layer 0. But in the case of this line, it always ends up matching the symbology of the block geometry. This I do not like.
When I insert a block, I use Attribute Editor to change the attributes' layer to the project's appropriate text layer. That way, in case I have to freeze a text layer, the attributes disappear also. What I want is for that line to be able to do the same.
Can an element's layer somehow be dynamically changed to automatically match the layer of another element, without having to Block Editor the block every time this is used from project to project?
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Dec 16, 2013
I would like to select blocks based on the layer of one or more attributes. The obvious method would be to isolate that layer and select the ones with attributes that display. But many of the values are empty!
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Nov 15, 2013
who can share with me a lisp which can create layer by xrefs and blocks ( if this can be an optional , would be nice ) ?
even maybe lisp can create layer group filter with "XREF" group name and move layers to inside.
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Mar 1, 2012
how to quick select all the blocks from a specific layer (for instance XPTO) and export them along with their attributes, exactly as we do by quick selecting them and then, through AutoCAD Express -> Attribute Export Info, but in a script...
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Aug 15, 2011
I want to change the color, line type, width and layer of all my blocks in my drawing. is there a way to do this with out opening all the blocks for editing? I am using AutoCAD 2009.
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Feb 28, 2011
(defun CELBLKS ( / e blk ss blkl)
(setq blkl "" ss (ssadd))
(while (setq e (entsel "
[Code]....
i have this lsp, it works great but how can modify it if i want select with a window.? exemple: if i have 3 differentes blocks, i want to select them with windows and the lisp select all blocks that are identical of those 3.?
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Aug 22, 2013
We have a new title block which now contains various fields to automatically populate the drawing number, number of sheets, issue etc. The problem we have is when we go to zoom all or extents on a layout tab it moves the layout to the right each time. If we only have one layout or we use a plain title block i.e. with no fields, the zoom works fine (layout stays put in the center). This is also true if we directly insert a field onto the layout - again no problems.
The cause of the problem only happens when a block containing a field is inserted onto the paper space of a layout and,there are multiple layouts containing blocks with fields.
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Aug 8, 2013
How to find no of times specific blocks used in a drawing?
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Jul 15, 2011
How do I manipulate a height parameter all of the dynamic blocks in the drawing from one single field? Say a field located in the drawing properties or on the drawing itself.
For example: Multiple blocks of different walls of same height with other blocks of things on located on those walls, dependant on the wall height, all linked to and changed by a single field. Possibly a Wall Height field located in the custom tab of the drawing properties.
I can pickout each of the blocks and change them at the same time in properites menu because they all share the same parameter name. I would just like to have that height parameter of every block in the drawing, that has that specific parameter controled by a single field. Which I could enter a new height at anytime that would change every block in the drawing to that height.
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Aug 2, 2012
We used a bespoke program to convert our drawings to Java applets for web usage. This does not cope with dynamic blocks at present and we have started to receive drawings from our clients using them.
I need to replace this with standard static blocks based on one of two criteria. Either:
1) Replace based on visibility state (have generic chair block with multiple different chair types set by visibility type, need to replace depending on which type it is set as)
2) Replace based on parameter (have table with size set by dimensions, need to replace with static block for each dimension)
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Jan 7, 2014
I have over 100 blocks that I need to add the exact same objects and visibility state to. Is there a way to globally make this change, or even to copy the visibility states from one block to the next without having to recreate the states in each block? I thought I had previously run across a routine on here that would make changes to multiple blocks at once, but I can't seem to find it now.
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Jan 24, 2012
I have a project in 3D that I would like to export to Stadd. This requires lines rather than blocks. Is is possible to convert the blocks in the attached dwg file to to lines that are centered on those blocks?
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May 18, 2012
The AttSync command does what it advertises fairly well. My problem is that I have thousands of small blocks in a single drawing. (My current drawing has 2100 block references with four attributes in each one.) I may change the attribute values in a few of them and need to re-sync the attribute locations. When I run AttSync it updates every single block insertion. One of two things are desired:
1)Flag each block insertion as having been sync'ed, reducing the number of objects requiring synchronization when AttSync is called again. Provide a way to force all to be sync'ed.
2)Allow a selection set in the AttSync command after selecting the block to sync.
Either or both of these would a great time-saver for those of us with large numbers of blocks with attributes.
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Apr 24, 2013
I built a building foundation for a grading plan and I have another building that is the exact mirror of it. I have tried to mirror it. Didn't work. I created a block of the feature lines and inserted it with a -1 x value but I can't explode it. I tried the regular explode and xplode. Neither worked. I can use the the block to draw feature lines over but it just seems so much easier if I could figure out how to explode the block.
C3D 2013
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Jan 24, 2012
I have the same block repeated multiple times in a drawing, and I want to delete the last attribute in all of the specific blocks. When I edit the block in block editor, the attributes do not show up. After I explode the block, there is no text. The attached image shows the properties of the block.
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Apr 29, 2013
I am using AutoCAD 2013 on Windows 7 platform
95% of the blocks on the palettes have the images associated, and named, per the block name.
I have 48 blocks that the images are named like this "Block tool_F2149212-4649-41F5-95E6-4A978EC376F5_2".
I have tried resaving the blocks and recreating the blocks to no avail.
How to get these few blocks to have images that are associated with the actual block name and not the generic "block_too" name?
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Dec 4, 2013
I am trying to update blocks for a client. Each block has a line of text with the block name in it. I would like to automate these with a field so that if the block name changes or a new block is created from that one, then the field would update as well. I am running AutoCAD LT 2012 currently.
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Nov 20, 2013
I wish to have a single dimension alter the dimensions in a set of nested blocks, similar to shared parameters in Revit. For example, I have a circle that has a fixed diameter that I wish to control in all blocks. I have set the diameter to barDia so now I wish to manipulate the dimension from outside the block.
Am I able to share the parameter across all the blocks?
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