Sign in to follow this  
Guest Catalano

Improving Coastlines

Recommended Posts

Hi all,I am a beginner of designing sceneries in FSX.I am using FSX_KML - thanks to doug - and it works great.Now I want to create a more precise Coast line with beaches near my new home Spain/Catalonia.My new and short "test coast lines" are visible in FSX but the line is winding thrue the ocean and land. I have learned so far that I have to exclude something. I did it, but obviously not in the right way.My questions:Do I have to create a polygon and tag it with a landclass_poly to overwrite the water?Do I have to create a exclude_polygon with the waterclass_poly which is used by FSX? (and in reverse when the new coastline is deep on land)In which sequence should this be done by creating the *.kml File?Must the exclude definition be in a seperate *.kml File?And if it must be a seperated file - is it important which sequence the *bgl file will have under "Addon Scenery"?Are there other things to take into consideration to successfully exclude Landclass and waterclass following a new coastline?I hope these are not to much questions and they aren

Share this post


Link to post
Share on other sites
Help AVSIM continue to serve you!
Please donate today!

Hola Bodo,That program is great and very easy to use, but perhaps creating a replacement Hydro Polygon will not be so straightforward with it, since Hydro Polygons must have an elevation value in the shape file. So, the question is, can that program add that?Also, generally it is best to have everything in one single file, the exclusion and replacement elements, and in that program instead everything is separate.In principle, you would:1. check the default scenery in TMFViewer in order to determine the Hydro Polygons that must be excluded;2. create an exclude for them;3. draw replacement Hydro Polygons that have the same extent as those excluded;4. compile them together as a cvx (Combined Vectors FS X) bgl file;Please note that a land class polygon is not the same thing as land class.Land class is applied to the base terrain and has a precise extent - about 1 kilometer per side depending on the blend mask. They are not drawn as vectors and do not use either shapefiles or the Shp2Vec tool.Land class polygons can have any shape or size and are draped over the base terrain. They are contained in shapefiles and processed with Shp2Vec.If you have any questions, please do not hesitate to ask, but it may be some time before people start drifting back to this forum because of the holidays, so please do not get discouraged.Muchas felicidades.Luis

Share this post


Link to post
Share on other sites

Hola Luis,thank you very much for your friendly comments!Yes, you are right it

Share this post


Link to post
Share on other sites

Hola Bodo,Here is the documentation.There are 2 different kinds of Hydro Polygons:1. normal HPX(Hydro Polygons) that display in the terrain;2. HGX (Hydro Polygons GPS) that are supposed to be simplified versions (less detail) and that only display in the GPS display. Probably they are simpler for performance reasons.In TMFViewer, the light blue is the normal HPX and the dark blue is HGX.To remove the HGX from the display, go to the menu and un-check it. This makes everything easier to understand.The white areas are nothing - it is just the background and there are no terrain elements there.So, you first take a look at the default terrain in order to see the existing HPX that must be excluded, for example:http://forums.avsim.net/user_files/163937.jpgSo, here I must draw an exclude that intersects those 6 HPX. The exclude does not have to be very large and should not be larger than what has to be excluded, or it might include HPX that are beyond those.So, I made a small exclude and drew a replacement for that island. And and here is what I got:http://forums.avsim.net/user_files/163938.jpgYou can see the exclude shape that I have drawn for demonstration purposes. All the water is gone for a large area, much more than I wanted.Why? Because that is the extent of the default HPX that were excluded. By removing them, only the base ground is left.So, any replacement Hydro Polygons must have the same extents as the HPX that they replace.http://forums.avsim.net/user_files/163942.jpgHere, I have made the new water larger than the default Hydro Polygons, but that should not be a problem, since it is only water displaying on top of water.Once that is done, the new scenery completely fills the area of the old:http://forums.avsim.net/user_files/163941.jpgIf you have any problems, please do let us know.Best regards.Luis

Share this post


Link to post
Share on other sites

Hola Luis,this is so kind of you. What a chunk of work. Thank you!!!Your explanations brought me closer to all this things. Otherwise I still need a bridge to understand my special case.But first back to your example. Just to understand you in the right way. In your case you wanted to exclude the whole existing islands execpt the biggest one, right? And you wanted to create a new group of islands instead of the old one, OK? In that case you excluded 6 areas which have different sizes (another open point for me - why they have different sizes?). The area 1 touches the big island but it covers it not in total. Is this the reason why it will be not excluded?When you exclude something - do you use "Exclude__all" or "Exclude_Hydro...." depending what is showing at your right klick using TMFviewer?What kind of adjustments are necessary by using TMFviewer to get the right grids? It is possible to show the areas and intersections with this program? My level of Detail is checked as "Standard". Is this OK?Is it important which LOD Grid and QMID Grid is selected?Now a quick step back to my special problem.In my case there are additional problems (at least I think so). I am not surrounded by water. My shoreline partly goes in the water and partly in the country. How would you proceed if you wanted to redesign the coast of Catalonia completely? How would the existing shoreline have to be excluded? As a result of drawing winding new shorelines on an existing coast there will be new parts of land and water. Where water was before, a small piece of land exists now. Where country was before, water has to be build. And all this in an permanent change. Perhaps I see this from a to complicate point of view?But I think a general problem is that I work with Google Earth to draw my polygons and lines. In GE it is no possibility to see the intersections. This brings me to my next question. What software do you use for drawing the polygons? Would it be possible for me to use the same for my FSX projects?Luis, to document for you what and how I do my things at the moment I have made some pictures. But I don

Share this post


Link to post
Share on other sites

Hi -- i am working on a little island building tutorial that should be ready in a couple of days. It really is just covering about the same thing as in Luis' post. The point being to get rid of enough of the default hydro polys, so that all the area your new shoreline will cover is free of the default hydro polys. The actual area is determined by the size and shape of the default polys. once the "old water" is gone, you can create "new water, using your actual coastline where appropriate, but also making your polygon(s) big enough to cover all the area away from your coast that should be water. The problem will be that the area that your new coast covers probably won't exactly match the "old water" polygons. You might need to extend some to get a full coverage.scott s..

Share this post


Link to post
Share on other sites

Hi Scott,thanks for your answer and I look forward to your announced documentation.Now my impression also is, that it is essential to know the size of a given Poly. One forgets easily, that the actual background was formed differently as the really little things one can implement. On the other hand you are right, that the Test-Size of a new coast strip shouldn

Share this post


Link to post
Share on other sites

Hola Luis,what a excellent description you have sent!Thank you very much for that all!Now I have to do some homework and you can work on your projects.Muchas gracias por tu oferta de escribir en castellano, pero mi castellano es malisimo!!!Only with help of my wife it was possible to write down something like this. By the way, my wife is from Spain/Barcelona. The whole live she was dreaming to live in Spain. We got married 38 nice years ago in Munich Germany. I am born in Salzburg/Austria but I am German.Now - since 3 years we live near Barcelona. I like the Spanish mentality and the warmth of the people very much. In addition, there is very good meal and wine as well as sun. What do you need more? Back to the dry but fascinating FSX.The following pictures shows the small area for my test project. http://forums.avsim.net/user_files/164020.jpgNow my interim result of the last night. It shows what I have learned from you and Scott. I am sure that it is the size of the polygon which don

Share this post


Link to post
Share on other sites

Grueses Bodo,I have been often in Salzburg and love it very much. Also I have spent many happy moments in Innsbruck and the Nordkette and Sudkette (Igls) and I love the Tirol. As well as Wien which is one of my favorite cities. Oh yes, and I have spent much, much time in Muenchen, and particularly in the Math

Share this post


Link to post
Share on other sites

Very clear and helpfull reply Luis!ThanX and a very Happy 2007and please do continue in this way...BertEHTW

Share this post


Link to post
Share on other sites

>Hi -- i am working on a little island building tutorial that>should be ready in a couple of days. It really is just>covering about the same thing as in Luis' post. ETC.>scott s.>. That would be very helpfull Scott.To help us starter-designers with good tutorials.ThanX in advance and All the best for 2007.BertEHTW

Share this post


Link to post
Share on other sites

A very small world, Bodo, that is for sure. And we do have a tendency to get around in it!I think I see your problem.When you draw a new coast, you must first determine what Hydro Polygon will be replaced. Here is yours:http://forums.avsim.net/user_files/164068.jpgSo, you will have to exclude all of that, and then you must replace it all. Your exclude polygon does not have to be very large - it only has to intersect the terrain that you want to exclude:http://forums.avsim.net/user_files/164069.jpgYour new Hydro Polygon must cover that same area as what you remove, or otherwise land will show where there should be water.But, your problem with water is something else. You seem to have drawn a Hydro Polygon and then drawn a Land Class Polygon to define land.But, Land Class Polygons do not display over water. It is important to know this. Land Class Polygons will only display over land. So, you must modify your Hydro Polygon to make it align with the real shoreline as such:http://forums.avsim.net/user_files/164070.jpgIf you do this, then your Land Class Polygon will not be over water and it will display correctly.By the way, in TMFViewer, you can choose what terrain elements to display, in case you wish to see what is underneath an exclude:http://forums.avsim.net/user_files/164071.jpgHere I have removed GPS water and Excludes from the display.I hope that this will solve your little problem.Best regards.Luis

Share this post


Link to post
Share on other sites

Hi Luis,thank you very much for that last post.In the meanwhile I have drawn the whole coast with 5 Shorelines.Your explanations will help me a lot, but may I ask you some additional questions?1.) You described the Hydro polygon as quad 11. From which source you get this information? I was looking everywhere and couldn

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this