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patgarret

ProMesh France de Dreamscapes

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Copie de mon post de ce jour sur le Forum de support de Dreamscapes :---------------------------------------------------------------------hi,Can you explain that :1) a Screenshot with FSX and Tileproxy (Virtual Earth) + The LOD11 (19 m) freeware mesh of Alain Ragot : 2010-1-12_9-38-12-828.jpg2) Same place, same conditions with your "4.75" m mesh :2010-1-12_10-11-17-218.jpgMy feeling is that the difference is quite unperceptible... What's wrong huh.gifAnother example : Les Ecrins1) Alain Ragot's LOD 11 mesh2010-1-15_13-11-51-703.jpg2) Your's ProMesh France2010-1-15_13-8-56-828.jpgWhat Do you think about those screens huh.gifRgds, Pat


Patrice Garret
Tileproxy  Guide & Support - English & Français : http://tileproxy.eklablog.com

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Ce mesh d'Alain Ragot est vraiment excellent. S'il pouvait nous faire le même pour les Pyrénées :(


KInd regards

Jean-Paul

I7 8700K / Fractal Design Celsius S24 watercooling / ASRock Z370 Extreme4 motherboard / Corsair 32GB 3200mhz DDR4 / INNO3D iChiLL GeForce GTX 1080 Ti X3 / Samsung SSD 960 EVO M.2 PCIe NVMe 500GB / Seasonic-SSR-850FX power supply / Fractal Design Define R5 Black case / AOC Q3279VWF 32″ 2560x1440 monitor / Benq GL2450 24″ 1920x1080 monitor / Track-IR 4

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Pat just confirming you have your mesh set to 5m in your settings menu?Also it appears that you may have the freeware mesh at a higher priority in your scenery library which means that it is overriding the NEXTMap® ProMesh data...If there's areas that are as not accurate as they could be we do ask for you to let us know so that the area can be re-worked to be the best quality possible...What the 19m data won't give you though is the narrow canyons or high resolution ground data with quarries and mines and road cuts etc etc etc...We can fix this for you and appreciate you bringing it to our attention, that's what we need from customers so we can improve the product... I however don't think the whole product is flawed because of one tiny area that we can easily have reworked and the 5m data is definitely more accurate than the 19m data as a whole...

Reliable Data CollectionOur airborne interferometric synthetic aperture radar (IFSAR) mapping technology creates an efficient and accurate data collection model enabling Intermap customers access to uniform and accurate datasets across entire countries. The datasets in NEXTMap Europe France are the most accurate elevation models of the country in existence.Third-party VerificationEleven independent agencies have validated our data, including USGS, NGA, NASA, U.S. Forest Service, U.S. Army Corps of Engineers TEC, University of Washington, University of Stuttgart, the Environment Agency of England & Wales, and University College London.
Also Pat, your post is a little fallacious in it's claims...If an area of ground is a certain shape and doesn't have much detail of course it will look similar as it is not an area of high detail regardless of whether it's SRTM 90m data, 19m data or 5m data...If I were to turn on the wireframe rendering of that same area you'd see how much extra detail is in the 5m elevation data compared to the 19m data...You simply cannot take one tiny peak in France and make claims that the whole product is flawed, that is wrong...I repeat we are committed to quality and with over 213,010 sq mi of coverage for France we rely on our customers to notify us if any areas that might have inaccuracies so they can be fixed...Further to that, the area you mention is a tiny area based upon de Ferranti data and does not cover the entire coverage of France...
FSX Scenery--Mesh Alpes LOD11 V2. Covers French Alps and parts of Switzerland, Italy, Austria, Germany and Slovenia.
If you want we can incorporate some of the de Ferranti data as well...

Dean Mountford
Ultimate VFR

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Dean,

You simply cannot take one tiny peak in France and make claims that the whole product is flawed, that is wrong...
:( Where did you read that ? Patrice only seems surprised that there is no visible difference between a freeware 19 m mesh and a payware 4.75 one in the Alps area and asks for help - unless I missed something.

KInd regards

Jean-Paul

I7 8700K / Fractal Design Celsius S24 watercooling / ASRock Z370 Extreme4 motherboard / Corsair 32GB 3200mhz DDR4 / INNO3D iChiLL GeForce GTX 1080 Ti X3 / Samsung SSD 960 EVO M.2 PCIe NVMe 500GB / Seasonic-SSR-850FX power supply / Fractal Design Define R5 Black case / AOC Q3279VWF 32″ 2560x1440 monitor / Benq GL2450 24″ 1920x1080 monitor / Track-IR 4

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Voilà ma réponse à Dean :-------------------------------------------------------------Hi, DeanThanks for your answers.Sorry, I don't think that my post was fallacious, not at all. I was only disappointed to not see much differences between the Alain Ragot c30s 19 m mesh and yours in the French Alps.When I took the screenshots, first, I use the 19 m mesh (Promesh France was uninstalled before) and the mesh was set to 10 m in the menu as recommended by Alain Ragot.After that, I have uninstalled the 19 M mesh, reinstall your ProMesh and set the mesh to 5 m. I think the procedure was correct to avoid any confusion.You said : "If an area of ground is a certain shape and doesn't have much detail of course it will look similar as it is not an area of high detail regardless of whether it's SRTM 90m data, 19m data or 5m data..."I understand your explanations, I'm not a "mesh specialist" and may be, my expectations, especially in the visual enhancement of breaklines, were unrealistics.Now, I have to say that, outside the French Alps, I see a real improvement with your ProMesh France compared to my former 38 m mesh. So, I like your product.Thanks for your work and you support.Rgds, PatPS: The "tiny peak" seams to be the massif du Mont-Blanc wink.gifwink.gifwink.gif---------------------------------------------------------------------------------------------------En conclusion, c'est vrai, je m'attendais à mieux. Je connais particulièrement bien toutes les crêtes du massif du Mont-Blanc et je n'ai pas l'impression je vois 1 point de mesure(qui serait juste et précis) tout les 4 mètres 75. Ca devrait être de la dentelle !D'autre part, je me commence à me demander si FSX est capable d'afficher correctement des mesh de grande précision, soit, plus de 19 m ou 10 mètres.Je ne regrette pas mon achat, le reste de le France est amélioré. Par contre pour la Suisse, je garderais mon bon LOD11 d'Alain Ragot. Idem au USA ou je suis pleinementsatisfait du mesh 10 m de Raimondo Taburet (Beaucoup de fichiers à télécharger, c'est long, mais ça vaut le coup)A+ Patrice


Patrice Garret
Tileproxy  Guide & Support - English & Français : http://tileproxy.eklablog.com

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Guest c30s

Effectivement la Dent du Géant en a pris un coup..- 2 infos importantes:FS n'affiche une précision de 5 m que dans un périmètre restreint de quelques km seulement autour de l'observateur, variable selon vos réglages et le lag, voire votre vitesse.Passé cette distance l'affichage est dégressif en 10 m puis 19 m LOD11, jusqu'à retrouver le LOD6 dans le lointain, ceci pour ne pas mettre le PC à genoux avec 3 ou 4 fps au compteur, ce qui explique que les paysages de montagne ne changent guère en passant du LOD11 19m au LOD13 5m2è problème: Quand à la différence de précision visible entre les précédents screens FS Dreamscape n'y est pas pour grand chose, en effet il semble bien que la différence entre le mesh Alpes LOD11 et celui de FS Dreamscape vienne d'un manque de précision des données natives Nextmap, et cela concernerait les reliefs supérieurs à +-3500m (très approximativement).D'après les screens on a évidemment le même résultat sur les mesh de FVFR, les sources étant les mêmes Nextmap, la précision passant du LOD 13 au LOD 10, soit 38 m...on le voit tres bien à la Meije, par exemple.Pourquoi? aucune idée..Ce qui explique que le résultat soit inférieur au LOD 11, en données Ferranti à 19 m par contre sur tout le reste du territoire la précision est bien celle d'un mesh à 5 mTcho.. :(

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Merci pour tes explications c30s. Est-tu Alain Ragot ?Vraisemblablement, I suppose :( Bravo et mille remerciements pour ton travail exceptionnelA + Patrice


Patrice Garret
Tileproxy  Guide & Support - English & Français : http://tileproxy.eklablog.com

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Guest c30s

J'ajoute une autre explication, c'est qu' il y aurais peut être des zones de "trous"ou d'absence dans les données natives de Nextmap,un peu comme celles qui entachaient les données SRTM, et qu'on réparait avec du GTPO 30.Pour Nextmap je pense notamment au "trou" du sommet du Mt Blanc, on a vu des screens à ce sujet sur certains forums, pour réparer les éditeurs de mesh ont peut etre remplacé certaines zones par du LOD10. Voila, difficile d'en dire plus..:(EDIT : oui, c'est moi.Le mesh est un travail en fait assez vite fait et tout juste passé à la moulinette du resample, rien à voir avec la modélisation et le texturage d'un avion, par exempleCelui qu'il faut remercier c'est l'auteur des données gratuites en 19m, Jonathan de Ferranti Je ferais bientot une prochaine version pour corriger certains défauts

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Alain bonjour et bienvenue ici.Merci de signer tes posts avec ton prénom comme demandé dans le message d'accueil.


Best regards,
David Roch

AMD Ryzen 5950X //  Asus ROG CROSSHAIR VIII EXTREME //  32Gb Corsair Vengeance DDR4 4000 MHz CL17 //  ASUS ROG Strix GeForce RTX 4090 24GB OC Edition //  2x SSD 1Tb Corsair MP600 PCI-E4 NVM //  Corsair 1600W PSU & Samsung Odyssey Arc 55" curved monitor
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