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是否可以在OpenLayers中放大基础层?

[英]Is it possible to zoom into a base layer in OpenLayers?

I have an OpenLayers map, which uses OpenSpace as a base layer, and is overlayed with a WMS layer supplied by my system. 我有一个OpenLayers地图,它使用OpenSpace作为基础层,并覆盖了我的系统提供的WMS层。 The issue I have is that the detail from my WMS layer is very fine grained and the default levels of zoom that OpenLayers has isn't close enough to allow for distinct viewing of the features (for background its mapping drains on a street which are often opposite each other). 我遇到的问题是我的WMS图层的细节非常精细,OpenLayers的默认缩放级别不够接近,不允许对特征进行独特的查看(对于背景,它的映射会在街道上消失彼此相对)。

The client has no real interest in preserving the base layer quality, and would be happy to zoom in closer at the cost of loss of quality of the base layer. 客户对保持基础层质量没有实际意义,并且很乐意以基础层质量损失为代价进一步放大。 I cannot seem to achieve this in open layers. 我似乎无法在开放层中实现这一点。 Does anyone have any knowledge of how to achieve this? 有没有人知道如何实现这一目标?

Thanks 谢谢

看看OpenLayers的ClientZoom功能: http ://dev.openlayers.org/examples/clientzoom.html

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