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11.
Arzu Çöltekin Rebecca Francelet Kai-Florian Richter John Thoresen Sara Irina Fabrikant 《制图学和地理信息科学》2018,45(4):339-353
We report on how visual realism might influence map-based route learning performance in a controlled laboratory experiment with 104 male participants in a competitive context. Using animations of a dot moving through routes of interest, we find that participants recall the routes more accurately with abstract road maps than with more realistic satellite maps. We also find that, irrespective of visual realism, participants with higher spatial abilities (high-spatial participants) are more accurate in memorizing map-based routes than participants with lower spatial abilities (low-spatial participants). On the other hand, added visual realism limits high-spatial participants in their route recall speed, while it seems not to influence the recall speed of low-spatial participants. Competition affects participants’ overall confidence positively, but does not affect their route recall performance neither in terms of accuracy nor speed. With this study, we provide further empirical evidence demonstrating that it is important to choose the appropriate map type considering task characteristics and spatial abilities. While satellite maps might be perceived as more fun to use, or visually more attractive than road maps, they also require more cognitive resources for many map-based tasks, which is true even for high-spatial users. 相似文献
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固体潮汐理论值算法在VB 6.0中的应用与实现 总被引:1,自引:0,他引:1
太阳和月球对地球的力学影响在地球科学研究中占有重要地位,但目前对该物理量的计算还没有人机交互很好的计算软件。本文在前人引潮位计算基础上,使用了面向对象的程序设计方法,编制了界面友好的固体潮汐理论值计算软件。介绍了该软件的设计思路和基本功能。该软件采用窗口界面进行输入和输出,数据显示以波形图为主。软件的友好界面增强了数据分析的直观性,为固体潮理论的推广应用和教学奠定了一定的基础。 相似文献
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Forcada A Bayle-Sempere JT Valle C Sánchez-Jerez P 《Marine environmental research》2008,66(5):536-547
Marine protected areas (MPAs) could be useful as fisheries management tools for the exportation of pelagic eggs, larvae and adult fish. A decreasing gradient of fish biomass across MPAs boundary may indicate export. We determine whether gradients of decreasing biomass of fish assemblage occurred in Tabarca Marine Reserve over two habitats with different continuity across the boundaries, to test if the patchy nature of the marine environment might act as a barrier for the fish export. In general, significant decreasing gradients in total fish biomass and biomass of some species were observed on P. oceanica and rocky substrates, independently of their different continuity through the reserve boundaries. Changes in the multivariate structure of the fish assemblage were correlated with the distance from integral reserve. All of these results support the hypothesis that the exportation of adult fish from Tabarca Marine Reserve occurs, and this process may influence the surrounding fished areas. 相似文献
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台风对国民经济和人民生活带来巨大损失,在台风预报中,台风路径预报居于首位,文中利用Visual BASIC可视化编程语言对就2000年到2005年的台风资料进行了可视化编程、显示,并对若干个例的结果进行了分析,对实际台风预报业务具有一定的参考价值。 相似文献
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史磊 《测绘与空间地理信息》2009,32(6):153-155
MapInfo MapX是一个用来做地图化工作的OCX控件,它提供了一个最简单和最节约成本的方法,用来将地图化功能嵌入到新的和现有的应用中.MapX支持Windows环境下绝大多数标准的可视化开发环境,可以被快速集成到使用Visual Basic,Power-Builder,Delphi,Visual C++或其他面向对象的语言的客户端应用程序以及Lotus Script的Lotus Notes(v4.5)中.本论文介绍了利用快速开发工具MapX并结合Visual Basic应用程序来实现基于MapX的地图制图和空间分析,利用计算机对信息的快速处理,为使用者提供了一些必要的、有价值的参考,通过本软件可以使开发人员在他们熟悉的环境中更好地通过应用程序来访问地图数据. ws环境下绝大多数标准的可视化开发环境,可以被快速集成到使用Visual Basic,Power-Builder,Delphi,Visual C++或其他面向对象的语言的客户端应用程序以及Lotus Script的lotus Notes(v4.5)中.本论文介绍了利用快速开发工具MapX并结合Visual Basic应用程序来实现基于MapX的地图 图和空间分析,利用计算机对信息的快速处理,为使用者提供了一些必 相似文献
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本文利用不同地物在同一波段或相同地物在不同波段具有不同色调的变化规律,来目视判读7幅l∶l0万的TM黑白和彩色合成图像。通过细致地分析、对比,在富顺─南溪地区判读不同泥沙含量、不同深浅的水体,了解河床中深槽、浅滩地貌,准确勾绘所有大于像元的水体涯线,确定沟谷的宽度和相对深度,查明沟谷成因,划分漫滩和河谷阶地,圈定丘陵和山地的,分布,研究它们的形态和成因,为区域开发奠定科学的基础。 相似文献
18.
In this paper, a simple scenario and probabilistic approach is used to assess the potential groundwater risk due to proposed
overdraft remedial actions in cone of depression, Jining City, China. Focusing on the concentrations of Chloride ions (Cl−) and total hardness (TH), the impact of artificial recharge and reduced pumping on groundwater quality and quantity is analysed
by using the three-dimensional finite difference groundwater flow and transport model, Visual MODFLOW, to simulate groundwater
flow and transport within the study area based on scenarios, and utilizes SURFER software to map risk levels. Although 5,
10 or 15% reduced pumping with artificial recharge leads to more decrease in Cl− and TH concentrations than the 25%, less volume increase is achieved for the remediation of land subsidence and other environmental
problems in the cone of depression. The Cl− concentrations in recovered groundwater are within the desired concentration of 200 mg/l; however, TH in some cases are above
the maximum permissible limit of 500 mg/l, with an exceedence probability of about 0.67 for recharge and recharge with reduced
pumping at 25%. The presence of fractures and hydrogeological complexity greatly determines impacts of remediation, and the
22% reduced pumping with artificial recharge offers an optimum strategy for overdraft remediation in the Jining cone of depression. 相似文献
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