Since this came up as the autocomplete in Google, clearly everybody has this problem and re-googling should always succeed.
That having been said, following the prescribed procedure for entering block attributes, my attributes weren't showing up as properties of the block. Tried the command for the Enhanced Attribute Editor (EATTEDIT), but selecting my block got back the message "Block has no editable attributes". The solution, suggested in the message board thread below, was to use the ATTSYNC command on the block!
http://forums.augi.com/archive/index.php/t-71752.html
Monday, July 26, 2010
Wednesday, June 2, 2010
How to search for a deed or plat in Howard County, Maryland
While searching for the metes and bounds of my lot, I have learned the following details regarding the process for getting deeds, plats, and other documents from the county online resources. Sadly, these processes don't seem to apply to my case.
This is a nice top-level page that wasn't really a whole lot of help (it led back to the circuit court page that I'd found by other means):
http://publicrecords.onlinesearches.com/Maryland-Land-Records-and-Deeds.htm
This is the web page for the land records office of the county circuit court:
http://www.courts.state.md.us/clerks/howard/landrecords.html
I called the phone number for the land records office, and the person there told me the URL for the Maryland Land Records web site.
http://www.mdlandrec.net
It requires registration for user account, but the process was not difficult, and once I got in I found this site to be an easy to use well indexed archive of pdf scans of record books and pages (by liber and folio). The faq advised to go to the old reliable property tax record page (SDAT), on which all I have to do is enter the address and I get the sales history, deed numbers, and other information.
http://sdatcert3.resiusa.org/rp_rewrite/.
Unfortunately, none of the deeds listed on my property tax record had the metes and bounds, and the plat reference in the tax record was blank. The deeds, going back several years, all referenced one particular plat by liber and folio. Plugging in that reference (including the alphabetic three character prefix) returned a scan, but it was of a hand-written note saying "see plat book..." with a number that does not follow the usual format and did not come up on a search. Interestingly, it mentions another document as the reason for the move, a document which had yet a different three character prefix (these prefixes are the county clerk's initials. The books are all indexed by clerk's initials and number, but fortunately the clerk's initials don't seem to be important for accessing scans with the online tool. This generally implies that the books are numbered continuously regardless of the clerk). I found that the resolution document could be found on mdlandrec.net; it's a record of a zoning decision. It seems that a subdivide somewhere else in the neighborhood, a long time ago, caused the plat to be revised, and consequently my plat was pulled from the location referenced by all deeds before and after and stuck in this mystical other book.
Through some method of blundering that I haven't figured out yet how I've accomplished, I can get to a plat archive at the following link. It responds to the number and page given for the mystical book, but it was listed as not scanned.
http://plato.mdarchives.state.md.us/msa/stagser/s1500/s1529/cfm/dsp_court.cfm?county=HO
Clicking on the "Accession number" got a simlarly empty listing, and clicking on the link from that listing got a request for an account and password. It turns out that the original (not new) plat reference produces a scanned listing. Furthermore, a guest password for the plat archives (user plato, pw plato#) has been provided, as described in this user's guide:
http://plato.mdarchives.state.md.us/msa/stagser/s1500/s1529/cfm/faq.html
This is a nice top-level page that wasn't really a whole lot of help (it led back to the circuit court page that I'd found by other means):
http://publicrecords.onlinesearches.com/Maryland-Land-Records-and-Deeds.htm
This is the web page for the land records office of the county circuit court:
http://www.courts.state.md.us/clerks/howard/landrecords.html
I called the phone number for the land records office, and the person there told me the URL for the Maryland Land Records web site.
http://www.mdlandrec.net
It requires registration for user account, but the process was not difficult, and once I got in I found this site to be an easy to use well indexed archive of pdf scans of record books and pages (by liber and folio). The faq advised to go to the old reliable property tax record page (SDAT), on which all I have to do is enter the address and I get the sales history, deed numbers, and other information.
http://sdatcert3.resiusa.org/rp_rewrite/.
Unfortunately, none of the deeds listed on my property tax record had the metes and bounds, and the plat reference in the tax record was blank. The deeds, going back several years, all referenced one particular plat by liber and folio. Plugging in that reference (including the alphabetic three character prefix) returned a scan, but it was of a hand-written note saying "see plat book..." with a number that does not follow the usual format and did not come up on a search. Interestingly, it mentions another document as the reason for the move, a document which had yet a different three character prefix (these prefixes are the county clerk's initials. The books are all indexed by clerk's initials and number, but fortunately the clerk's initials don't seem to be important for accessing scans with the online tool. This generally implies that the books are numbered continuously regardless of the clerk). I found that the resolution document could be found on mdlandrec.net; it's a record of a zoning decision. It seems that a subdivide somewhere else in the neighborhood, a long time ago, caused the plat to be revised, and consequently my plat was pulled from the location referenced by all deeds before and after and stuck in this mystical other book.
Through some method of blundering that I haven't figured out yet how I've accomplished, I can get to a plat archive at the following link. It responds to the number and page given for the mystical book, but it was listed as not scanned.
http://plato.mdarchives.state.md.us/msa/stagser/s1500/s1529/cfm/dsp_court.cfm?county=HO
Clicking on the "Accession number" got a simlarly empty listing, and clicking on the link from that listing got a request for an account and password. It turns out that the original (not new) plat reference produces a scanned listing. Furthermore, a guest password for the plat archives (user plato, pw plato#) has been provided, as described in this user's guide:
http://plato.mdarchives.state.md.us/msa/stagser/s1500/s1529/cfm/faq.html
Monday, May 10, 2010
VHDL evaluating B GT A
So I stop screwing this up over and over,
Method for determinging A GT B for two unsigned integers using standard subtractor in VHDL:
where f(x,y) = x-y = x + 2's complement(y),
carry out of f(B-A) shows B > A. not f(A-B).
Examples:
1) is 70128 GT 65535?
for 24 bit case,
B = 70128 = x0111F0
A = 65535 = x00FFFF, 2s_comp(B) = xFF0001
B - A = x0111F0 + xFF0001 = x10011F1, carry out is 1, remainder = B-A = 4593
2) is 32768 GT 65535?
for 24 bit case,
B = 32768 = x008000
A = 65535 = x00FFFF, 2s_comp(B) = xFF0001
B - A = x008000 + xFF0001 = xFF8001, carry out is 0, remainder = B-A = -32767
Method for determinging A GT B for two unsigned integers using standard subtractor in VHDL:
where f(x,y) = x-y = x + 2's complement(y),
carry out of f(B-A) shows B > A. not f(A-B).
Examples:
1) is 70128 GT 65535?
for 24 bit case,
B = 70128 = x0111F0
A = 65535 = x00FFFF, 2s_comp(B) = xFF0001
B - A = x0111F0 + xFF0001 = x10011F1, carry out is 1, remainder = B-A = 4593
2) is 32768 GT 65535?
for 24 bit case,
B = 32768 = x008000
A = 65535 = x00FFFF, 2s_comp(B) = xFF0001
B - A = x008000 + xFF0001 = xFF8001, carry out is 0, remainder = B-A = -32767
Wednesday, May 5, 2010
Excel: Reformatting timestamps to get a graph with time on the x axis
Time column is in decimal seconds from some completely random timebase, which I took one calibration of.
Created a column with format "Time" of type hh:mm:ss. Formula for that column was:
=TIMEVALUE(TEXT("8:21:00 AM"+(A2 - 906897)/86400, "h:mm:ss"))
i.e. A2 contains a time in seconds, at 8:21 AM the seconds were 906897, and the conversion factor is expecting decimal hours (86400 seconds per hour). Converting it with TIMEVALUE produces fraction of a day, but that is then displayed properly due to the cell formatting.
This does not address the case of crossing a date boundary. Date conversion functions are not useful because the only cell formats available for date do not include seconds.
Created a column with format "Time" of type hh:mm:ss. Formula for that column was:
=TIMEVALUE(TEXT("8:21:00 AM"+(A2 - 906897)/86400, "h:mm:ss"))
i.e. A2 contains a time in seconds, at 8:21 AM the seconds were 906897, and the conversion factor is expecting decimal hours (86400 seconds per hour). Converting it with TIMEVALUE produces fraction of a day, but that is then displayed properly due to the cell formatting.
This does not address the case of crossing a date boundary. Date conversion functions are not useful because the only cell formats available for date do not include seconds.
Monday, May 3, 2010
Industry Links
News Feeds:
Nucleus, at hobbyspace.com, the best newspace source now that spacefellowship.com is all crapped up with NASA press releases.
http://www.hobbyspace.com/nucleus/index.php
Jeff Foust's information packed spacepolitics blog:
http://www.spacepolitics.com/
The Once and Future Moon blog:
http://blogs.airspacemag.com/moon/
Live Media:
Spacevidcast, spotty but still the most extensive coverage of newspace events:
http://www.spacevidcast.com/
Some kind of KSC voice loop available through internet radio as of 6/2010:
http://www.radioreference.com/apps/audio/?action=wp&feedId=705
Newspace projects' individual sites:
Unreasonable Rocket:
http://unreasonablerocket.blogspot.com
JP Aerospace (those crazy balloon guys):
http://jpaerospace.com/blog
Nucleus, at hobbyspace.com, the best newspace source now that spacefellowship.com is all crapped up with NASA press releases.
http://www.hobbyspace.com/nucleus/index.php
Jeff Foust's information packed spacepolitics blog:
http://www.spacepolitics.com/
The Once and Future Moon blog:
http://blogs.airspacemag.com/moon/
Live Media:
Spacevidcast, spotty but still the most extensive coverage of newspace events:
http://www.spacevidcast.com/
Some kind of KSC voice loop available through internet radio as of 6/2010:
http://www.radioreference.com/apps/audio/?action=wp&feedId=705
Newspace projects' individual sites:
Unreasonable Rocket:
http://unreasonablerocket.blogspot.com
JP Aerospace (those crazy balloon guys):
http://jpaerospace.com/blog
Master Cam 9
Why Can't Tony Read? Found info on Master Cam 9.
The manual, "What's new in Master Cam 9":
http://www.scribd.com/doc/12359930/Master-Cam-9
Google search with results including, ironically, cracked copies on bittorrent.
http://www.google.com/search?hl=en&ei=icvVS-f3GJf0NLWd3NID&sa=X&oi=spell&resnum=1&ct=result&q=Mastercam+version+9+autocad+translation&spell=1
The manual, "What's new in Master Cam 9":
http://www.scribd.com/doc/12359930/Master-Cam-9
Google search with results including, ironically, cracked copies on bittorrent.
http://www.google.com/search?hl=en&ei=icvVS-f3GJf0NLWd3NID&sa=X&oi=spell&resnum=1&ct=result&q=Mastercam+version+9+autocad+translation&spell=1
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