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我的地图上有 4 种类型的标记，我正在为每个点加载一个图像，具体取决于它的“学校类型”。这工作正常，但我在地图上得到了一个奇怪的伪影，这是我在使用标准标记图像时没有得到的。

def map
    @json = School.where(:disabled => [false, nil]).to_gmaps4rails do |school, marker|
      marker.infowindow render_to_string(:partial => "schools/marker", :locals => { :object => school })
      if school.school_type_id == 1
        marker.picture({ "picture" => view_context.image_path('map_icons/blue_P.png'),"width" =>  '20',"height" => '34'})
      elsif school.school_type_id == 2
        marker.picture({ "picture" => view_context.image_path('map_icons/red_C.png'),"width" =>  '20',"height" => '34'})
      elsif school.school_type_id == 3
        marker.picture({ "picture" => view_context.image_path('map_icons/yellow_J.png'),"width" =>  '20',"height" => '34'})
      elsif school.school_type_id == 4
        marker.picture({ "picture" => view_context.image_path('map_icons/green_I.png'),"width" =>  '20',"height" => '34'})
      end

      marker.json({ :id => school.id })
    end

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @schools }
    end
  end

神器图片：

http://foa-approved.org/map_artifact1.png

http://foa-approved.org/map_artifact2.png

我正在为地图控件使用 css 修复：

.map_container img {
    max-width: none;
}

这个修复可以在标记图像上工作还是完全是别的东西？

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0 回答 0