Archive for June, 2006

Purge can break contour styles

By admin - Last updated: Friday, June 23, 2006

If a text style only exists in your drawing within a contour style, AutoCAD’s purge command considers it unused.
Workarounds: Create your contour stiyles using a text style that you know will never be purgeable.
First Appeared: Land Desktop 2 (2000)
Status as of 2008: Still reproducible
Status as of 2009: (unknown)

Short MTEXT entities cause sluggish performance with “thicken” selection preview

By admin - Last updated: Friday, June 23, 2006

It appears that when PREVIEWEFFECT is set to a value which allows thickening (1 or 2) then short MTEXT entities observe this setting while larger MTEXT entities do not. Unfortunately, when moving the cursor over the entities that do observe the “Thicken” setting, performance noticeably hesitates. 
Workarounds: Change PREVIEWEFFECT to 0
First Appeared: Land Desktop 2006
Status as [...]

“Error reading surf_head for VRT file” while generating profiles

By admin - Last updated: Friday, June 23, 2006

After sampling existing ground, going to PROFILES / CREATE PROFILE / EXISTING PROFILE yields an error, “Error reading surf_head for VRT file”.
Workarounds: This bug seems to be drawing specific rather than project specific or user specific. There are several theories in Autodesks discussion groups. The only time that I encountered it, I was able to [...]