DWG files are CAD graphics and are also the standard format for industrial design files, but DWG is not only bulky, but also slow to run, affecting operational efficiency. However, using Zhongwang CAD can make daily large DWG files slim down.
Mainly use the PURGE command in Zhongwang CAD to delete all the blocks, layers, line types, etc. that have not been used in the drawing, and reduce the file. The following is a detailed introduction to this little trick of Zhongwang CAD:
If the file is only used for transmission to the other party for viewing or permanent archiving, you can also do the following work before using the PURGE command: 1. Explode the block inserted in the graphic so that the graphic does not contain the block at all; Elements on the same type of layer are all placed on one layer, reducing the number of layers. In this way, more tiles and layers can be made unused, which can be deleted by PURGE and the file size can be reduced. With the PURGE command, it is convenient to use the option All (type parameter a). An example is as follows:
Command: purge Purge unused Blocks/Dimstyles/LAyers/LTypes/SHapes/STyles/Mlinestyles/All: aNames to purge <*>: (direct carriage return)
Verify each name to be purged? (Direct carriage return)
Purge block cz08? y Purge block cz16? y Purge layer CEN? y Purge layer HAT? y No unreferenced linetypes found. No unreferenced text styles found. No unreferenced shape files found. Purge dimension style LEAD? y No unreferenced mlinestyles found. Use the PURGE command several times in succession, and use the option All every time until the following prompt appears, it has already “slimed†to the extreme.
Command: purge Purge unused Blocks/Dimstyles/LAyers/LTypes/SHapes/STyles/Mlinestyles/All: a Names to purge <*>: (Direct Enter)
Verify each name to be purged? (Direct carriage return)
No unreferenced lines found. No unreferenced linetypes found. No unreferenced text files found. No unreferenced shape files found. No unreferenced dimension styles found. No unreferenced mlinestyles found. Method 2: Use the WBLOCK command.
Use the WBLOCK command to generate a new graphic file in block mode and use the newly generated graphic file as a transfer or archive. So far, this is the most effective "weight loss" method I have found. A concise example is as follows: Command: wblock (Enter the file name and file storage location in the pop-up dialog box. Since it is very simple, the dialog box graphic is omitted here)
Block name: (direct carriage return)
Insertion base point: (optional)
Select objects: (Enter after the selection)
Command: This will generate a new graphic file in the folder you specified.
Comparing the above two methods, each has its own length: it is easy to operate with the PURGE command, but the effect of “weight loss†is slightly worse; the biggest advantage of using the WBLOCK command is that the “weight loss†effect is good. The biggest disadvantage is that the newly generated graphics cannot be modified (even Save it without making any changes, otherwise the file will become bigger again. The author used two methods to streamline and compare the effects of his DWG file. The reduced file size is almost within 5K. Readers can decide which method to use based on their own situation.
Before the transmission of the DWG file, the application of WINZIP compression, the effect is very good, almost only the original 40%! As long as you study it in depth, you will find that Zhongwang CAD has many tips that can help improve efficiency.
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