S. Bangay, D. De-bruyn, and K. Glass, Minimum spanning trees for valley and ridge characterization in digital elevation maps User input (b) Existing terrain (c) Deformed terrain (d) Viewed from a different point (e) Figure 6: Terrain editing with a complex user sketch, Proceedings of the 7th International Conference on Computer Graphics

A. Bernhardt, A. Maximo, L. Velho, H. Hnaidi, and M. Cani, Realtime Terrain Modeling using CPU-GPU Coupled Computation, XXIV SIBGRAPI, 2011.
URL : https://hal.archives-ouvertes.fr/inria-00611823

Y. Chang and G. Sinha, A visual basic program for ridge axis picking on DEM data using the profile-recognition and polygon-breaking algorithm, Computers & Geosciences, vol.33, issue.2, pp.229-237, 2007.
DOI : 10.1016/j.cageo.2006.06.007

N. Chiba, K. Muraoka, and K. Fujita, An erosion model based on velocity fields for the visual simulation of mountain scenery, The Journal of Visualization and Computer Animation, vol.9, issue.4, pp.185-194, 1998.
DOI : 10.1002/(SICI)1099-1778(1998100)9:4<185::AID-VIS178>3.0.CO;2-2

J. M. Cohen, J. F. Hughes, and R. C. Zeleznik, Harold, Proceedings of the first international symposium on Non-photorealistic animation and rendering , NPAR '00, pp.83-90, 2000.
DOI : 10.1145/340916.340927

V. , D. Passos, and T. Igarashi, Landsketch: A first person pointof-view example-based terrain modeling approach, Proceedings -Sketch-Based Interfaces and Modeling, SBIM 2013 -Part of Expressive 2013, pp.61-68, 2013.

D. S. Ebert, F. K. Musgrave, D. Peachey, K. Perlin, and S. Worley, Texturing and Modeling: A Procedural Approach, 2002.

A. Emilien, P. Poulin, M. Cani, and U. Vimont, Interactive procedural modeling of coherent waterfall scenes, Computer Graphics Forum, 2014.

A. Fournier, D. S. Fussell, and L. C. Carpenter, Computer rendering of stochastic models, Communications of the ACM, vol.25, issue.6, pp.371-384, 1982.
DOI : 10.1145/358523.358553

J. Gain, P. Marais, and W. Straer, Terrain sketching, Proceedings of the 2009 symposium on Interactive 3D graphics and games, I3D '09
DOI : 10.1145/1507149.1507155

J. Genevaux, E. Galin, E. Guerin, A. Peytavie, and B. Benes, Terrain generation using procedural models based on hydrology, ACM Transactions on Graphics, vol.32, issue.4, p.2013
DOI : 10.1145/2461912.2461996

URL : https://hal.archives-ouvertes.fr/hal-01339224

H. Hnaidi, E. Guerin, S. Akkouche, A. Peytavie, and E. Galin, Feature based terrain generation using diffusion equation, Computer Graphics Forum, vol.13, issue.4, pp.2179-2186, 2010.
DOI : 10.1111/j.1467-8659.2010.01806.x

URL : https://hal.archives-ouvertes.fr/hal-01381590

H. Jenny, B. Jenny, W. E. Cartwright, and L. Hurni, Interactive Local Terrain Deformation Inspired by Hand-painted Panoramas, The Cartographic Journal, vol.3, issue.1, pp.11-20, 2011.
DOI : 10.1016/S0097-8493(00)00107-2

O. Karpenko and J. Hughes, Smoothsketch: 3d free-form shapes from complex sketches, ACM SIGGRAPH 2006 Papers, SIGGRAPH '06, pp.589-598, 2006.

A. D. Kelley, M. C. Malin, and G. M. Nielson, Terrain simulation using a model of stream erosion, ACM SIGGRAPH Computer Graphics, vol.22, issue.4, pp.263-268, 1988.
DOI : 10.1145/378456.378519

P. Kristof, B. Benes, J. Krivanek, and O. Stava, Hydraulic Erosion Using Smoothed Particle Hydrodynamics, Computer Graphics Forum, vol.18, issue.1, pp.219-22827, 1996.
DOI : 10.1111/j.1467-8659.2009.01361.x

J. P. Lewis, Generalized stochastic subdivision, ACM Transactions on Graphics, vol.6, issue.3, pp.167-190, 1987.
DOI : 10.1145/35068.35069

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=

J. Mccrae and K. Singh, Sketch-based path design, Proceedings of Graphics Interface 2009, GI '09, pp.95-102, 2009.

G. S. Miller, The definition and rendering of terrain maps, ACM SIGGRAPH Computer Graphics, vol.20, issue.4, pp.39-48, 1986.
DOI : 10.1145/15886.15890

F. K. Musgrave, C. E. Kolb, and R. S. Mace, The synthesis and rendering of eroded fractal terrains, Proceedings of the 16th Annual Conference on Computer Graphics and Interactive Techniques, SIG- GRAPH '89, pp.41-50, 1989.

K. Nagashima, Computer generation of eroded valley and mountain terrains, The Visual Computer, vol.13, issue.9-10, pp.456-464, 1997.
DOI : 10.1007/s003710050117

M. Natali, E. M. Lidal, I. Viola, and D. Patel, Modeling terrains and subsurface geology, Proceedings of EuroGraphics 2013 State of the Art Reports (STARs) Eurographics, Eurographics 2013 -State of the Art Reports, pp.155-173, 2013.

B. Neidhold, M. Wacker, and O. Deussen, Interactive physically based fluid and erosion simulation Natural Phenomena Landscapes synthesis achieved through erosion and deposition process simulation, Computer Graphics Forum, vol.12, issue.3, pp.25-32375, 1993.

K. Singh and E. Fiume, Wires, Proceedings of the 25th annual conference on Computer graphics and interactive techniques , SIGGRAPH '98, pp.405-414, 1998.
DOI : 10.1145/280814.280946

F. Tasse, J. Gain, and P. Marais, Enhanced Texture-Based Terrain Synthesis on Graphics Hardware, Computer Graphics Forum, vol.99, issue.6, pp.1959-1972, 2012.
DOI : 10.1111/j.1467-8659.2012.03076.x

N. Watanabe and T. Igarashi, A sketching interface for terrain modeling, ACM SIGGRAPH 2004 Posters on , SIGGRAPH '04, p.73, 2004.
DOI : 10.1145/1186415.1186500

H. Zhou, J. Sun, G. Turk, and J. B. , Terrain Synthesis from Digital Elevation Models, IEEE Transactions on Visualization and Computer Graphics, vol.13, issue.4, pp.834-848, 2007.
DOI : 10.1109/TVCG.2007.1027

J. Zimmermann, A. Nealen, and M. Alexa, SilSketch, Proceedings of the 4th Eurographics workshop on Sketch-based interfaces and modeling, SBIM '07, pp.23-30, 2007.
DOI : 10.1145/1384429.1384438