How to extract CONTOUR LINES from anywhere in the world!

Рет қаралды 97,865

4 жыл бұрын

Extracting topographic contour lines from a google earth KML
Google Earth: www.google.com/earth/
ArcGIS Trial: www.esri.com/en-us/arcgis/pro...
GPS Visualizer: www.gpsvisualizer.com/
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Пікірлер: 96

@gouthamkumarleburu2348 5 ай бұрын

I'm seeing this video 3 years apart when i started studying architecture, and to this day, can't find a better video than this. Thank you LYH studio!

@lyh_studio 5 ай бұрын

Glad it was helpful!

@pelagiatheodosiou 5 ай бұрын

I am also watching this video because of my architecture studies... can I ask you what program you used after you converted your data to gpx? I can't sign up for the free trial because I can't provide a business email address

@alkatraz6170 3 жыл бұрын

🔥 The tutorials are awesome, simple to follow. Keep it up

@derrickkiere2029 3 жыл бұрын

This was so helpful, thank you.

@LogosDivine Жыл бұрын

This was really helpful good job

@namagat 2 жыл бұрын

Easy subscription for me! Helped me out a lot for my archi studio class

@lyh_studio 2 жыл бұрын

Thanks! Glad you enjoyed it!

@annnibana3361 3 жыл бұрын

That was super useful.😃🙌

@mrm5515 4 ай бұрын

Great video, thank you, I'm going to try to plot my land. I will never understand what you did, or how you did it, but hope to get there by following your steps.

@hafssaalkareem6235 3 жыл бұрын

thaaank you!!! i was looking for some thing exaclly like that !!!

@ashiqurrahman1469 3 жыл бұрын

Thank you it was really helpful :)

@saharazad72 3 жыл бұрын

thank you so so so much! I wish I would've seen it a few month ago

@Aszod96 2 жыл бұрын

This is awesome! Thanks so much!

@lyh_studio 2 жыл бұрын

Glad you liked it!

@asikasewwandi1095 3 жыл бұрын

Nice Video. Thank you

@lionelsrigunapala9662 3 жыл бұрын

Great, Thanks for shearing ..

@minhein2106 Жыл бұрын

nice explanation

@erickmutale8039 2 жыл бұрын

thank you brother. very useful

@lyh_studio 2 жыл бұрын

Anytime, glad you enjoyed!

@MyJCows 9 ай бұрын

Any possibility of instructions of how to do this on a Mac? I’ve made it halfway through the video and love it but have spent a full day trying to muddle my way through with QGIS and can’t work out how to do the equivalent of what you demonstrate in ArcGIS. Would love your help for all the Mac users out there.

@sondos2244 3 жыл бұрын

thankx alooooooooooooooooot

@teikengmarc7299 2 жыл бұрын

Hello, thanks for uploading. However I ran into a problem, when analysing the features with the IDW tool, it fails and I tried it several times again and same result. Please tell is if there is a way to fix this

@SebuhiVeli 3 жыл бұрын

Thans

@TheTyTyKid 4 жыл бұрын

Hello, fellow Vancouverite

@joyee0131 3 жыл бұрын

This is so helpful! Thanks for uploading! However they are on a flat plane and without height variation while exporting to CAD. How do I incorporate the elevation information to these lines? so I can further import them into 3D software for modelling. Appreciate in advance any tips or help!

@lyh_studio 3 жыл бұрын

There is an way to do it through ArcScene but it's a bit too complex to explain over a comment, maybe look for something like that on KZfaq? There's also a way to export it as a dxf if I remember correctly from QGIS. Alternatively I would imagine a rhino grasshopper script can take values and help you extrude it to the correct values. Sorry I don't have a direct answer but hope you find what you're looking for!

@joyee0131 3 жыл бұрын

@@lyh_studio thank you!

@obedtari8390 3 жыл бұрын

Supre bro

@ericlee7119 Жыл бұрын

why can't i find a blank map template on my arcgis templates?

@user-ov1dx4yk4u 3 жыл бұрын

i keep getting all elevations being 0, any help ?

@GregSmith-cw8xu 3 жыл бұрын

Great Video. I have completed the contour map. Can this be imported back into google earth pro so the contour map can overlap on the path data that the original data was extracted from?

@lyh_studio 3 жыл бұрын

I believe so but not quite sure, sorry. It seem like it should work with a KML/KMZ file but not sure if it'll be georeferenced.

@pak5385 3 жыл бұрын

This is only slightly frustrating because you could have just told me that this is basically an ArcGIS tutorial via title. (Free trial not available atm, but even if it was, the tutorial itself isn't sustainable i.e., practically, you'll only use this method once.) Although, I do appreciate the clarity of the tutorial. Here's the tutorial you're actually looking for: kzfaq.info/get/bejne/mLKSjJaasqi7XXU.html

@jaxofalltrades287 2 жыл бұрын

I can't find the same google earth you are using what should I do

@shymoon77 3 жыл бұрын

Hi, I'm using QGIS; when you create "Elevationmap", which file type is it? QGIS creates a .TIF by default but when I try to interpolate the contours there are no data sets...

@shymoon77 3 жыл бұрын

actually I figured that out (was using the wrong tool!)... however, when I create the contours the orignial point grid from the kml is shown over the landscape, as contoured lumps on the surface. I tried clamping them to the sea floor but it did not make a difference. Any ideas? (i would just use ArcGIS as you suggest, but I can't seem to get access to the free trial...)

@vishnuprajitv1714 3 жыл бұрын

I would like to know how to access the ArcMap (the one u used), but not the ArcGIS. I want to follow u exactly. So please help me

@joannaacevedoskipworth8747 3 жыл бұрын

ditto

@scapesky Жыл бұрын

Does anyone know why it looks flat inside AutoCAD?

@xyz-dh5sq 2 жыл бұрын

I have followed all the steps but my conrour lines just don't seem to appear. A check on the attribute tables, there is nothing.

@aaronnorman632 Жыл бұрын

Can this technique be used to map water elevations and get contour lines for rhino

@lyh_studio Жыл бұрын

I don't think so as bathymetry is a totally different technique survey-wise

@op2100 4 жыл бұрын

How accurate are the elevation data?

@lyh_studio 4 жыл бұрын

Definitely won't be as accurate as officially released GIS data from your city but will be good enough for an understanding of your site's geography.

@hanye4998 2 жыл бұрын

Hey, how do I be able to download the Arcmap since I can download the ArcGIS pro and it is nothing like the ArcMap that u r showing?

@lyh_studio 2 жыл бұрын

ArcGIS should include ArcMap, Arch Scene, etc. maybe check their website again

@somjithazra 3 жыл бұрын

Can we get a contour map with the difference of 1 foot(or smaller than 1 meter) by this method?

@lyh_studio 3 жыл бұрын

Yes you should be able to but if you're going anything less than a meter (or 5m for that matter) you're suggesting a degree of precision that this method of contour extraction just doesn't have. It should work though!

@somjithazra 3 жыл бұрын

@@lyh_studio Thanks. Is there any method available fit for that purpose? Here, in India, its very difficult to get any contour map, leave alone the precision.

@lyh_studio 3 жыл бұрын

@@somjithazra If it's within any municipality we usually just use the GIS data from the city (in NA) so maybe try that? Other than that I dont know of one off the top of my head

@J-JACK 7 ай бұрын

when exporting the kml file i noticed there was no altitude data.... is there a setting in google earth pro to enable this?

@lyh_studio 7 ай бұрын

We use GPS Visualizer to help us with this part!

@Stephen_Strange 10 ай бұрын

I need to get contours of my field that are within 10cm or so ! Any ideas how I cam make this happen.

@lyh_studio 10 ай бұрын

Usually fine grained data like that aren't just readily available online. Is it for a school project or professional?

@pranjlisabharwal636 Жыл бұрын

Hi, when i convert the file into points, the features file gets exported into different files on my system but the points dont show on the interface itself… how do i resolve this?

@Adam-kd5re 6 ай бұрын

This happened to me did you fix it?

@cmedesign1817 3 жыл бұрын

Can we import the outcome Topo from Cad as 3D?

@lyh_studio 3 жыл бұрын

@scapesky Жыл бұрын

@@lyh_studio can you please make a video on it?

@jessesunday6084 5 ай бұрын

I can not generate contour

@user-wx7wx9ic6e 7 ай бұрын

Can this work on Arcgis pro program too ??

@lyh_studio 7 ай бұрын

This actually works better on arcGIS!

@krystal4750 8 ай бұрын

Is this in Ft? or what unit of measurement?

@lyh_studio 8 ай бұрын

Meters

@matiasdaire9103 3 жыл бұрын

Hi, im having trouble running the ArcGIS. I already have my Trial Account but when i try to login, says that there's something wrong with my clock and i does not recognize me as a user. Any thoughts?

@lyh_studio 3 жыл бұрын

Are you on a VPN?

@matiasdaire9103 3 жыл бұрын

@@lyh_studio I'm not sure connected at home with private internet network. Running the ArcGis in parallels with my MAC. Could be that the problem?

@lyh_studio 3 жыл бұрын

@@matiasdaire9103 I don't believe arcGIS can be run on two instances at the same time. Also, are they system times for your two systems the same?

@pelagiatheodosiou 5 ай бұрын

how can I sign up for the trial on arcgis? I don't have a business email address I feel like I hit a wall here pls help

@lyh_studio 5 ай бұрын

I think there's an educational trial, if you have a school email!

@tobbyyhoo8735 3 ай бұрын

@@lyh_studio no, they don't

@carljexterbandal9672 4 ай бұрын

maaaaaaaaaaaan convert tool isnt working, straight up missing. its not there

@cifu_ 3 жыл бұрын

Can i make them to 3d ?

@lyh_studio 3 жыл бұрын

kzfaq.info/get/bejne/b9ajfpRqqarTdX0.html Here's a video on how you can turn it from 2D lines into 3D in Rhino!

@johnstephano9853 6 ай бұрын

@@lyh_studio

@johnstephano9853 6 ай бұрын

thank

@oldperson2112 7 ай бұрын

Making all those selections is so tedious. I wonder if it would be just as fast you manually trace USGS topo lines.

@lyh_studio 7 ай бұрын

For a smaller number of contours I can definitely see that being a lot faster

@samiasarfarazkhan5220 3 ай бұрын

IDW not happening

@clibfilm 2 жыл бұрын

The contourlines look absolutely nothing at all like the shape i try to map, not even close at all despite me doing everything like shown in the video, sure there is a rough blob where my island sits but thats as far as similarities go, where could i have gone wrong ?

@lyh_studio 2 жыл бұрын

Hey! What do you mean the shape you try to map? Is this a shape that you have built or a part of the world? Did you also draw enough points in google earth for a better sampling?

@clibfilm 2 жыл бұрын

@@lyh_studio yes its not a large area it's a small island called farholmen near Stockholm and while the island is roughly L shaped I get more of a roundish blob shape. I drew roughly 100 reference points over it

@lyh_studio 2 жыл бұрын

@@clibfilm If all steps are followed then it just might be a case of resolution. I believe the data is 90m resolution, meaning each raster "block" is 90x90m in real life. So if the island is not very big, then the true shape of it will be approximated and won't be very accurate. This method is good for bigger landscapes. Is this for a school project? Are you able to take this into another 3D modelling program and modify it? Or are there no resources on sites from the locality that gives you the contours?

@clibfilm 2 жыл бұрын

@@lyh_studio it is for a university project, the island is not really big ~280x200m, but its not that high max is 9m above water level. I am currently trying my hands on just modelling it approximately from some rough hightlines i found on a website. I have access to sketchup, rhino and vectorworks, however the sketchup method of importing the terrain gave me terribely wierd results too. Because its only a uni project and we were allowed to choose a place, we got no initial data for the site, it is part of the task to atleast aprox. a topographic model and contour lines

@lyh_studio 2 жыл бұрын

@@clibfilm Would it be helpful to generate a surface in rhino, rebuild it with more than 10 U and V points and then just 'pointson' to edit the surface to your liking? Then with the 'contour' command extract that from your new model? You can also get a picture of the island, trace what you think the contours might be and then generate a surface from that if needed.