Getting Real: Reflecting on the New Look of National Park Service Maps

Patterson, Tom

doi:10.14714/cp43.536

Cited by 25 publications

(20 citation statements)

References 3 publications

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“…Por su parte, retomando la aspiración a explorar los límites de la expresión pictórica de la naturaleza en los mapas topográficos (que hemos visto formulados en el trabajo de Imhof sobre los alrededores del Walensee) el cartógrafo norteamericano Tom Patterson ha hecho otras valiosas aportaciones técnicas, orientadas a la confección de una nueva serie de mapas de los parques nacionales de Estados Unidos que resulten más evocadores, y por tanto comprensibles, para los visitantes de estas áreas naturales protegidas (Patterson, 2002).…”

Section: Palabras Clave/mots Clé/abstractunclassified

Modos de representación cartográfica de las unidades de paisaje: revisión y propuestas

Pérez

Álvarez

2016

Eria

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Section: Palabras Clave/mots Clé/abstractunclassified

Modos de representación cartográfica de las unidades de paisaje: revisión y propuestas

Pérez

Álvarez

2016

Eria

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“…For instance, natural color maps are investigated by (Patterson and Kelso, 2004), relief realism is based on its enhancement by illumination in (Patterson, 2002), by watercolorization on oblique views in (Jenny et al, 2015) or by synthetic vectorial textures in (Loi et al, 2013) ; water surfaces are rendered by realist textures (Patterson, 2002), animated textures in (Yu et al, 2011), by expressive renderings in (Semmo et al, 2013). The use of textures, procedural or coming from the orthoimage should be thus relevant to manage realims in our continuum.…”

Section: Adding Realism In Visualizationsmentioning

confidence: 99%

Color and Texture Interpolation Between Orthoimagery and Vector Data

Hoarau

Christophe

2015

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:Graphic interfaces of geoportals allow visualizing, sometimes overlaying often by image blending, various data and representations of geographical spaces: vector data, maps, aerial imagery, Digital Terrain Model (DTM), etc. After some previous works it appears that image blending is insufficient to allow efficient co-visualization of orthoimagery and vector data. Our purpose is to be able to manage an hybrid visualization of orthoimagery and vector data, efficient and useful. The diversity of hybridization levels requires to be able to control a continuum between such data. We thus have to propose rendering methods to mix heterogeneous data, in order to propose homogeneous and continuous intermediary representations. This paper proposes a methodology to interpolate graphic parameters between an orthoimage and related vector data, to control the level of orthophotorealism, all along the continuum. We detail the methodology based on several interpolation components, to control abstraction and realism levels, by manipulating colors and textures (natural, procedural or mixed).

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“…Dachsbacher et al (2006) use geographic data to recreate a photo-realistic artificial reality using a synthetic orthophotograph. In the case of a non-photorealistic rendering, one of the inspiration sources of cartographic realism is to use real-world observational data (Patterson, 2002). These different aspects of realism associated with mapping and visualization are the level of detail, the symbolization realism, immersion and interactivity of representation, etc.…”

Section: Integration Of Heterogeneous Data and Rendering To Increase mentioning

confidence: 99%

“…Hoarau and Christophe (2015) propose interpolation methods of colors, and, natural and procedural textures to control the level of photorealism in a continuum between orthoimagery and vector data: a specific use case on a coastal area allows visualizing the relevancy of controlling realism to attempt better efficient geovisualizations. Patterson (2002) defines several rules to bring realism to the visualization. These rules include data selection, use of textures and rendering parameterization.…”

Section: Integration Of Heterogeneous Data and Rendering To Increase mentioning

confidence: 99%

Homogeneous Geovisualization of Coastal Areas From Heterogeneous Spatio-Temporal Data

Massé

Christophe

2015

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:On coastal areas, recent increase in production of open-access high-quality data over large areas reflects high interests in modeling and geovisualization, especially for applications of sea level rise prediction, ship traffic security and ecological protection. Research interests are due to tricky challenges from the intrinsic nature of the coastal area, which is composed of complex geographical objects of which spatial extents vary in time, especially in the intertidal zone (tides, sands, etc.). Another interest is the complex modeling of this area based on imprecise cartographic objects (coastline, highest/lowest water level, etc.). The challenge of visualizing such specific area comes thus from 3D+t information, i.e. spatio-temporal data, and their visual integration. In this paper, we present a methodology for geovisualization issues over coastal areas. The first challenge consists in integrating multi-source heterogeneous data, i.e. raster and vector, terrestrial and hydrographic data often coming from various 'paradigms', while providing a homogeneous geovisualization of the coastal area and in particular the phenomenon of the water depth. The second challenge consists in finding various possibilities to geovisualize this dynamic geographical phenomenon in controlling the level of photorealism in hybrid visualizations. Our approach is based on the use of a high-resolution Digital Terrain Model (DTM) coming from high resolution LiDAR data point cloud, tidal and topographic data. We present and discuss homogeneous hybrid visualizations, based on LiDAR and map, and on, LiDAR and orthoimagery, in order to enhance the realism while considering the water depth.

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Getting Real: Reflecting on the New Look of National Park Service Maps

Cited by 25 publications

References 3 publications

Modos de representación cartográfica de las unidades de paisaje: revisión y propuestas

Modos de representación cartográfica de las unidades de paisaje: revisión y propuestas

Color and Texture Interpolation Between Orthoimagery and Vector Data

Homogeneous Geovisualization of Coastal Areas From Heterogeneous Spatio-Temporal Data

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