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OK, so if you open up the file office park JF, which stands for greenfield site location services

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is something we would have been given by the client.

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OK.

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Or maybe it was the landowner with be given this so.

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And also cut.

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We have a drone, which is Office Park GSR sites.

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So if we open that and also cut.

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And if you zoom extents because they always is, it's it's a road, basically, we've got the pavement

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ever side.

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We've got a midline kick, which is just for reference, and that's it.

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But one thing to to make a note of if you.

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If you zoom right out.

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You'll see that I was there, remember this is four 00 origin point way of this icon here.

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Oh, join is quite a long way from this 00 am is for a site kind of location plan that's normal zero

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zero.

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It depends what quarters it's me using.

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So if you work in a big city, London and New York, something like they would have their own city coordinate

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system where everything's kind of any, any design that's done is done on that coordinate system.

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That way, you can import kind of background street maps, things like that, maybe working on a big

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site such as an airport that would likely have its own coordinate system.

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And that way, everything can be kind of configured in relation to each other, and everything comes

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in in the same point or maybe working on just some kind of generic system for.

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It could be a large kind of remote location, like a farm or something like that.

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Okay.

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If you just worked on your own house, chances are it's just the bottom left of your land, which is

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used as a reserve.

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That's fine.

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It's the same process.

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It's just it's good to know how to work with these coordinate systems where, you know, on zero zero.

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OK, so we're going to look, we're going to see how to work with we've got coordinate system in this

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example.

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Now.

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You would probably have more than just a vote on how you would this would be something like a town kind

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of map or something like that, but.

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For the purpose of this example, we don't need.

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And also, it just takes up room when you join, so if you did have VAT, you would usually cut kind

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of all out anyway if you don't need it.

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So we're just going to pretend this is a road running through a kind of greenfield, quite remote location

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and this is our our spot here.

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So.

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If we go back to.

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PDAF.

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OK.

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Then we can see we've been allocated this parcel of land here, which is a hundred and ten meters by

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70 meters.

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I'm a bottom left corner.

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Is that this coordinate?

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So the first thing we need to do is get this red area on our drawing.

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OK, so.

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Let's take this greenfields site, and let's save as.

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And I've already got things I say fast.

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Jeff Site survey guy, because this initial drawing.

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We're going to produce a set of coordinates around research, so we'll probably have this one will have

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each corner and we'll have midpoint and then the surveys can go out.

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The can set that out and then they'll go to the actual site and they'll put stakes in the ground, which

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will kind of delineate our site layout and the site we're working on.

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Basic within the ground, guys can come in and start bulldozing and stripping the top soil, things

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like that and then know the perimeter of our site and the boundary, if you like.

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So that's our first project.

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Get a drone with coordinates of our site boundary to give to the surveyor, and we'll do that now in

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this lesson.

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So first thing's first, let's look at the we've been given this by the client or the landowner to show

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us where we can say outside the possible site we've actually bought or whatever.

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OK, so it's easting is 100 thousand meters north is 50000 meters.

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Now this is basically X and Y when you're doing coordinates, so X will be 100000.

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I mean, knowing a Y will be 50000.

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So let's leave that out now and what I'm going to do, I'm going to create a it's called a node or a

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point in order to work out, OK, so we can click.

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We can have multiple points and these are good for creating things like survey points.

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So when a clip multipoint.

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And now it's going to ask us to specify this point, so we just need to type in.

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These coordinates 100000 by 50000.

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So I'm going to talk to 100 thousand, but I'm going to press tab to go to why fifty thousand and press

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enter.

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OK, now it doesn't look like anything's happened, but we've actually got that point.

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If we were to draw a circle from now, we would see.

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We've got that point.

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I mean, if you highlight it, this now is just a dot, but it can be hard to see a dot.

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So what I'm going to do now to change how this point looks, we can type in p type.

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OK.

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And that will give us this dialog box with different points styles available to us.

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And you can choose whichever one of these you like.

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The look of this will be normal for survey type.

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These kind of points here, and if we select OK, you can see it changes.

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How it's viewed is not it hasn't moved.

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You can't make a point bigger because it is just a single point.

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It's just changed how it's represented.

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OK.

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And if we present all right, click to bring that look back up.

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We also have the option to change the units of the size, OK, so this this point size is how how big

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the point is at the moment.

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Remember, we worked in meta services effectively a meta.

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If we change up to five meters, got all the points are going to get bigger.

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OK, now.

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You do also have an opportunity to set the size relative to the screen or in absolute unit, so absolute

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units means OK, if we say this is one unit, then the point is going to be a meter.

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The size of this icon is going to be a meter, whatever we zoom in and out.

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It's an absolute units.

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It's absolutely one meter.

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So it's not going to change just by zooming.

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If we set it relative to screen, when you'll see where we end up, so it says it's one unit, OK,

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relative to screen is a percent.

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So how much percent of the screen does it take up?

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So if we say 10 percent of a screen, OK?

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Then you'll need the region, and it will go some sense if you zoom out, you can say it's change in

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size relative to the screen, and if it doesn't update, you can just type in region.

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Four Regenerate and it looked like and it changes its size.

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When you zoom in and out, you can.

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You can see it generally if you're just using one scale on a drawing like we will.

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It's easier to keep it absolute units, and let's just go with five meters for now and see how that

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looks, OK, but that is our setting out point.

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So I'm going to create a layer in this drawing.

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And you could see with all these lies in because.

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We've been reusing things, we're using the types of blocks from a building layout, that kind of thing.

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We already have all these layers.

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That's fine.

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But I'm going to create a new layer.

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I'm going to create a new layer, and I'm going to call it serve a point, OK?

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I'm going to make this right.

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If you want to delete all these layers out of your drawing and things like blocks that you don't use

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and you can do that with Purge.

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But I'm going to call anonymous survey.

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And I'm going to make him read.

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I'm going to put this on the.

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Survey point later, OK, now, if I was to type in Purge Pew, Gee, I can choose all the items in

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the drawer, but but I want to delete.

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Now you can delete layers from a drawer and as long as there's nothing on multilayer.

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But if you've got, sometimes you open the door and there's hundreds and hundreds of layers.

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It's a very long process to try and delete them and work out what has got things on.

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It wasn't Purge will just purge.

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If it will just get rid of them, it will get rid of anything you've ticked here, OK?

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That isn't used if you are if you have a drawing file and sometimes you try and email it and it may

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be over 10 megabytes in file size.

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It might be.

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It's got all this information always blocks in line types and layers in the background.

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They're not used to a drawing, so you don't even have been loaded in.

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Purge would get rid of those out of the back of your neck, and if I was to take all the items and just

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say purge on it, I'll say, Do you want to purge, purge all the items and then close if we go back

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to this layer manager?

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You can see all the layers when used have gone now.

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And we just have our survey point.

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OK, I'm just going to interrupt because I want I want this John to be safe, but that's something you

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can do if you find yourself with lots of layers and a join, then purge will get rid of those.

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And that.

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OK.