I have a huge file that I am working with. I keep getting fatal errors. I am trying to make the file size smaller. Within the file there are 1836 layers, I am trying to reduce that number greatly. There are also lots and lots of blocks. I have heard that it is possible to make all of the objects on one layer and also compress layers. If someone knows how to do this please contact me.
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>> I have heard that it is possible to make all of the objects on one layer
Imagine you get a city-map, and to make it cheaper it's reduced to one color. streets are yellow, buildings are yellow, streetnames are yellow and all public transport signes are yellow .... do you think that is a good solution just to save color?
For me same is the number of layers, it's not bad to have a lot of layers (as it's also not bad to have a book with a lot of chapters and pages). Don't reduce everything to one layer, you will never be able to get that drawing back to structured.
To make a drawing smaller I would first try the command _WBLOCK ==> write out the geometry of the current drawing into a new one. That does the most cleaning that's possible. It frees up blockdefinitions that are not used, also layers if they are not used by geometry. And after you did this ==> look to the filesize, compare it to your first DWG.
Lets know if that helps, give us inputs about "how large is this file", what OS you have and what the messages are, that AutoCAD prompts before/during/after crashes.
Good luck, - alfred -
I don't want to make all of the layers on one layer.. I just only want like 12 layers in the drawing. I am using Windows XP Pro. I get an error that says that the PC has low memory and asks me if I want to cancel the current command. I also get the FATAL ERROR: OUT OF MEMORY- SHUTTING DOWN message.
In this case, I do believe the amount of layers is a problem. Most of the layers do not have anything on them. I have tried deleting them and it will not let me, Says something along the lines of cannot delete layer if it is 0 layer, current layer, defpoints etc.
I have never, never seen a drawing problem because of many layers. The problem is the amount of data, too many TTF fonts, layer filters........
Purge, wblock as suggested,
At the command line, type FILTERS and help yourself. If that's not an option in R2010, type Layer Filters in HELP and explore what it can do for you.
There is no file size reducing if you go from 50-layers to 12-layers: where did you get that nugget of info from?
WBLOCK command makes files smaller by creating a new file from your existing file IF you select everything on screen in modelspace (paperspace content is ignored).
PURGE command gets rid of much if you don't want to use WBLOCK command: AUDIT fixes file errors and may be contributing to some of your issues. -PURGE command (note the dash) can also eliminate loaded apps if your file comes from another source, or parts of it come from another source.
But the error is a Windows Alert: your PC is choking based on file size which is a secret you've not shared, and WinXP is not adequate a summary of your system (RAM and HD free capacity is). None of the above solutions will fix this system error, maybe only delay it until the next time.
>> I just only want like 12 layers in the drawing
....how large is the drawing now?
- alfred -
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