i have an interesting situation which i am trying to wrap my brain around to see what the best approach might be. I have a block, for which, i need:
1. at two points, need to extract the northing-easting
2. on a third point (along an edge), need to check and make sure that it is at least 24" above the EG immediately below.
please see attached image. what is the best way to accomplish this? i researched and found out that I cannot use dynamic blocks for cogo points, was hoping to be able to so that i can at least extract the N-E for multiple locations from the same block. any help is deeply appreciated.
For starters, do you have a geo-referenced drawing in your particular coordinate system?
Is this a bridge in your picture with appropriate as-built details?
If you have all of this, it seems fairly simple, If not, you need it.
Bill
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That looks like the mount for a solar panel. Can I assume that you have multiple units to install, and they all need to be checked and relocated as necessary to fit the requirements? Are the posts a fixed height or can they be made longer when needed?
It seems like it should be possible but we need to work out how you want to establish the elevation of the tabletop.
Steve
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for the coordinates of the post: add some attributes for the post. I did a test and if you add an attribute ti the center of each post using the "BlockPlaceHolder" for "position" you can then DATA extract the post coordinates for all.
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Joe,
i took your idea and modified it slightly. please take a look at the attached drawing. it appears that the formula in fields do not work very well inside block attributes. i have my solar panel block insertion as the mid point of the lower edge, i am getting the N-E of that point using attribute LOWEDGE to extract X-Y, and then am adding another attribute def at the same point called LOWEDGEZ to extract the Z only.
for the posts, i am extracting the X-Y using attributes RPOST and LPOST, and am trying to calculate the Zs in RPOSTZ and LPOSTZ using a formula which basically takes LOWEDGEZ and adds a value based on the distance and a 2% up slope. i cannot make these to calculate the Z values.
file is attached.
**EDIT: i forgot to add that i have a dummy tin in the file at elev 200, and i am moving the block panel to the tin to get LOWEDGEZ.
Cogo points and User Defined Properties (UPD), I presume. I'm looking forward to Steve's solution. Dyno blocks are fun but I'd rather leverage civil3d
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