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                        <section class="" style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(62, 62, 62); background-color: rgb(255, 255, 255); font-family: 微软雅黑; "><section class="" data-id="32" data-color="rgb(55, 74, 174)" data-custom="rgb(55, 74, 174)" style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border: 0px none; "><blockquote style="margin: 3px; padding: 10px 15px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border-top-width: 3px; border-right-width: 3px; border-bottom-width: 3px; border-color: rgb(55, 74, 174); border-top-left-radius: 50px; border-bottom-right-radius: 50px; box-shadow: rgb(165, 165, 165) 5px 5px 2px; background-color: rgb(250, 250, 250); "><section class="" data-style="margin-top: 15px; margin-bottom: 0px; padding: 0px; color: rgb(107, 77, 64); line-height: 2em; font-size: 20px; border-color: rgb(107, 77, 64);font-size: 18px;font-weight:bold;" style="line-height: 25.6px; white-space: normal; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; "><p style="margin-top: 15px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1em; color: rgb(55, 74, 174); line-height: 2em; border-color: rgb(55, 74, 174); "><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 18px; "><strong style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; ">   <span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 16px; ">你问飞答</span></strong></span></p></section><p style="line-height: 2em; white-space: normal; margin-top: -10px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1.5em; color: inherit; "><span style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 12px; "><strong class="" data-brushtype="text" style="padding-right: 15px; padding-left: 15px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; border-bottom-left-radius: 20px; border-bottom-right-radius: 20px; color: rgb(255, 255, 255); font-size: 13px; background-color: rgb(55, 74, 174); ">   Q&A   </strong></span></p><section class="" data-style="margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 2em; font-size: 14px; min-height: 1.5em; color: inherit;" style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; "><p style="line-height: 25.6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1em; "><span style="color: rgb(0, 82, 255); "><strong><span style="font-size: 14px; line-height: 22px; ">Q：</span></strong></span><span style="font-size: 14px; line-height: 22px;">小飞飞呀，你咋这么长时间不见了呢，我最近有个问题很棘手，就是我要把两个图层合到一起，不知该用哪个工具，你能告诉我么？</span><br  /></p><p style="line-height: 25.6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1em; "><span style="font-size: 14px; line-height: 22px;"><br  /></span></p><p style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1em; "><span style="color: rgb(0, 82, 255); "><strong><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 22px; ">A：</span></strong></span><span style="font-size: 14px; line-height: 22px;">看到这个问题，小飞飞想起经常有人问合并工具的区别，百度上讲得也不太清楚，小飞飞借此机会，用四张图来带大家彻底分清常用的合并工具。</span></p><p style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1em; "><span style="font-size: 14px; line-height: 22px;"><br  /></span></p><p style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1em; text-align: center; "><span style="font-size: 16px; line-height: 22px;  color: rgb(217, 33, 66);">Merge（合并）</span></p><p style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1em; text-align: center; "><span style="font-size: 16px; line-height: 22px;  color: rgb(217, 33, 66);">Union（联合）</span></p><p style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1em; text-align: center; "><span style="font-size: 16px; line-height: 22px;  color: rgb(217, 33, 66);">Dissolve（融合）</span></p><p style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; min-height: 1em; text-align: center; "><span style="font-size: 16px; line-height: 22px;  color: rgb(217, 33, 66);">Append（附加）</span></p></section></blockquote></section></section><p><br  /></p><section class="articlee7" style="font-family: 微软雅黑; "><section data-id="653" class="e7editor" style="border: 0px none; box-sizing: border-box; " data-color="rgb(30, 155, 232)" data-custom="rgb(30, 155, 232)"><section style="border: 0px none; box-sizing: border-box; "><section style="margin-right: 5px; margin-left: 5px; box-sizing: border-box; "><section style="margin-bottom: -54px; text-align: right; box-sizing: border-box; "><section style="margin-right: 10px; display: inline-block; box-sizing: border-box; "><section style="border-bottom-width: 12px; border-bottom-style: solid; border-bottom-color: rgb(30, 155, 232); border-left-width: 12px; border-left-style: solid; border-left-color: transparent; border-right-width: 0px; border-right-style: solid; border-right-color: transparent; height: 0px; width: 0px; float: left; box-sizing: border-box; "></section><section style="float: left; box-sizing: border-box; "><section style="opacity: 0.85; box-sizing: border-box; "><section class="white" style="padding-right: 5px; padding-left: 5px; width: 50px; height: 50px; display: table-cell; vertical-align: middle; color: rgb(255, 255, 255); background-color: rgb(30, 155, 232); text-align: center; box-sizing: border-box; "><section style="color: inherit; box-sizing: border-box; "><strong class="count" style="">1</strong></section><section style="font-size: 12px; color: inherit; box-sizing: border-box; "><span style="color: inherit; ">class</span></section></section><section style="border-top-width: 10px; border-top-style: solid; border-top-color: rgb(30, 155, 232); border-left-width: 25px; border-left-style: solid; border-left-color: transparent; border-right-width: 25px; border-right-style: solid; border-right-color: transparent; height: 0px; width: 0px; box-sizing: border-box; "></section></section></section><section style="border-bottom-width: 12px; border-bottom-style: solid; border-bottom-color: rgb(30, 155, 232); border-left-width: 0px; border-left-style: solid; border-left-color: transparent; border-right-width: 12px; border-right-style: solid; border-right-color: transparent; height: 0px; width: 0px; float: left; box-sizing: border-box; "></section></section></section><section style="padding: 50px 10px 10px; box-shadow: rgba(0, 0, 0, 0.496094) 0px 0px 6px; box-sizing: border-box; "><section style="border: 0px none; box-sizing: border-box; "><section class="active" style="color: rgb(30, 155, 232); box-sizing: border-box; "><section style="color: inherit; box-sizing: border-box; "><strong>Merge（合并）</strong></section></section></section><section style="border: 0px none; box-sizing: border-box; "><section style="margin-top: 20px; margin-bottom: 20px; padding: 20px 10px; border-top-width: 1px; border-top-style: dashed; border-top-color: rgb(153, 153, 153); border-bottom-width: 1px; border-bottom-style: dashed; border-bottom-color: rgb(153, 153, 153); color: rgb(60, 60, 60); text-align: justify; box-sizing: border-box; ">
	<p style="line-height: 1.5em; white-space: normal; "><span class="active brush" style="color: rgb(121, 121, 121); font-size: 14px; "><img src="http://up.upnews.cn/images/20160612/jYicjbq67iaQlj8FdeSI5FIwbIbIIHuJBS9sibicAEesBicfWMrtdbbjzcZsJIz402w5ohUUxhvLoCAuN0pv6LcVeqg.jpg" /></span></p></section></section><section style="border: 0px none; box-sizing: border-box; "><p><strong><span style="color: rgb(0, 82, 255); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">1、多个源中的数据集合并到新的单个输出数据集</span></strong></p><p><span style="color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">所有输入数据集的类型必须相同（即，点要素类之间可以合并，表之间也可以合并，但线要素类却无法同面要素类合并）。</span></p><p><strong><span style="color: rgb(0, 82, 255); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">2、不会打断来自输入数据集的任何要素</span></strong></p><p><span style="color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">出现要素重叠，输入数据集中的所有要素在输出数据集中也将保持不变。要合并或打断要素几何，应使用</span><strong><span style="text-decoration: underline; "><span style="text-decoration: underline; color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">Union（</span><span style="text-decoration: underline; outline: 0px; cursor: pointer; color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); "><a esrisubtype="extrel" style="outline: 0px; cursor: pointer; color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">联合</a>）</span></span></strong><span style="color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">工具。</span></p><p><span style="color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); "></span></p><p><strong><span style="color: rgb(0, 82, 255); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">3、注意坐标系</span></strong></p><p><span style="color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">合并要素类时，如果没有设置</span><a esrisubtype="extrel" style="color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); text-decoration: none; "><span style="color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">输出坐标系</span></a><span style="color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">地理处理环境，则输出数据集将使用输入数据集列表中第一个要素类的坐标系。</span></p><p><span style="color: rgb(102, 102, 102); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); "></span><strong><span style="color: rgb(0, 82, 255); font-family: 微软雅黑; font-size: 14px; line-height: 24px; white-space: pre-wrap; background-color: rgb(255, 255, 255); ">4、不支持栅格数据集和注记要素类</span></strong></p></section></section></section></section><section style="width: 0px; height: 0px; clear: both; box-sizing: border-box; "></section></section><p style="white-space: normal; "><br style=""  /></p><section data-id="653" class="e7editor" data-color="rgb(30, 155, 232)" data-custom="rgb(30, 155, 232)" style="font-family: 微软雅黑; white-space: normal; border: 0px none; box-sizing: border-box; "><section style="border: 0px none; box-sizing: border-box; "><section style="margin-right: 5px; margin-left: 5px; box-sizing: border-box; "><section style="margin-bottom: -54px; text-align: right; box-sizing: border-box; "><section style="margin-right: 10px; display: inline-block; box-sizing: border-box; "><section style="float: left; box-sizing: border-box; "><section style="opacity: 0.85; box-sizing: border-box; "><section class="white" style="padding-right: 5px; padding-left: 5px; width: 50px; height: 50px; display: table-cell; vertical-align: middle; color: rgb(255, 255, 255); background-color: rgb(30, 155, 232); text-align: center; box-sizing: border-box; "><section style="color: inherit; box-sizing: border-box; "><strong class="count" style="">2</strong></section><section style="font-size: 12px; color: inherit; box-sizing: border-box; "><span style="color: inherit; ">class</span></section></section><section style="border-top-width: 10px; border-top-style: solid; border-top-color: rgb(30, 155, 232); border-left-width: 25px; border-left-style: solid; border-left-color: transparent; border-right-width: 25px; border-right-style: solid; border-right-color: transparent; height: 0px; width: 0px; box-sizing: border-box; "></section></section></section><section style="border-bottom-width: 12px; border-bottom-style: solid; border-bottom-color: rgb(30, 155, 232); border-left-width: 0px; border-left-style: solid; border-left-color: transparent; border-right-width: 12px; border-right-style: solid; border-right-color: transparent; height: 0px; width: 0px; float: left; box-sizing: border-box; "></section></section></section><section style="padding: 50px 10px 10px; box-shadow: rgba(0, 0, 0, 0.496094) 0px 0px 6px; box-sizing: border-box; "><section style="border: 0px none; box-sizing: border-box; "><section class="active" style="color: rgb(30, 155, 232); box-sizing: border-box; "><section style="color: inherit; box-sizing: border-box; "><strong style="">Union（联合）</strong></section></section></section><section style="border: 0px none; box-sizing: border-box; "><section style="margin-top: 20px; margin-bottom: 20px; padding: 20px 10px; border-top-width: 1px; border-top-style: dashed; border-top-color: rgb(153, 153, 153); border-bottom-width: 1px; border-bottom-style: dashed; border-bottom-color: rgb(153, 153, 153); color: rgb(60, 60, 60); text-align: justify; box-sizing: border-box; "><p style="white-space: normal; line-height: 1.5em; text-align: center; "><img src="http://up.upnews.cn/images/20160612/jYicjbq67iaQlj8FdeSI5FIwbIbIIHuJBSaxU5NsVhbL7NaWoKsP0s1UBxyA0SLfibibChro7iaEU6yq2stXOWcicCJg.jpg" /><br  /></p></section></section><section style="border: 0px none; box-sizing: border-box; "><p style=""><strong style=""><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">1、</span></strong><strong style="line-height: 18px; white-space: normal; "><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); "> 所有输入要素类和要素图层都必须有面要素</span></strong></p><p style=""><strong style="white-space: normal; "><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">2、输入要素类的属性值将被复制到输出要素类</span></strong></p><p style=""><span style="color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255);">但是，如果输入是一个或多个通过</span><a style="white-space: normal; color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); text-decoration: none; ">创建要素图层</a><span style="color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); text-decoration: none; ">工</span><span style="color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255);">具创建的图层并且选中了字段的使用比率策略设置项，那么计算输出属性值时将按输入属性值的一定比例进行计算。如果启用了使用比率策略选项，执行叠加操作时，对于任一要素的分割都将按照输入要素属性值的一定比率来生成输出要素的属性值。输出值将根据输入要素几何被分割的比率得出。例如，如果输入几何被分割成相等的两部分，则每个新要素的属性值都等于输入要素属性值的一半。使用比率策略仅适用于数值型字段。</span></p><p style=""><strong style="white-space: normal; "><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">3、</span></strong><strong style="white-space: normal; "><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">不支持地理数据库要素类或表字段</span></strong></p></section></section></section></section></section><p style="white-space: normal; "><br  /></p></section><section class="articlee7" style="font-family: 微软雅黑; "><section data-id="653" class="e7editor" data-color="rgb(30, 155, 232)" data-custom="rgb(30, 155, 232)" style="border: 0px none; box-sizing: border-box; "><section style="border: 0px none; box-sizing: border-box; "><section style="margin-right: 5px; margin-left: 5px; box-sizing: border-box; "><section style="white-space: normal; margin-bottom: -54px; text-align: right; box-sizing: border-box; "><section style="margin-right: 10px; display: inline-block; box-sizing: border-box; "><section style="float: left; box-sizing: border-box; "><section style="opacity: 0.85; box-sizing: border-box; "><section class="white" style="padding-right: 5px; padding-left: 5px; width: 50px; height: 50px; display: table-cell; vertical-align: middle; color: rgb(255, 255, 255); background-color: rgb(30, 155, 232); text-align: center; box-sizing: border-box; "><section style="color: inherit; box-sizing: border-box; "><strong class="count" style="">3</strong></section><section style="font-size: 12px; color: inherit; box-sizing: border-box; "><span style="color: inherit; ">class</span></section></section><section style="border-top-width: 10px; border-top-style: solid; border-top-color: rgb(30, 155, 232); border-left-width: 25px; border-left-style: solid; border-left-color: transparent; border-right-width: 25px; border-right-style: solid; border-right-color: transparent; height: 0px; width: 0px; box-sizing: border-box; "></section></section></section><section style="border-bottom-width: 12px; border-bottom-style: solid; border-bottom-color: rgb(30, 155, 232); border-left-width: 0px; border-left-style: solid; border-left-color: transparent; border-right-width: 12px; border-right-style: solid; border-right-color: transparent; height: 0px; width: 0px; float: left; box-sizing: border-box; "></section></section></section><section style="padding: 50px 10px 10px; box-shadow: rgba(0, 0, 0, 0.496094) 0px 0px 6px; box-sizing: border-box; "><section style="white-space: normal; border: 0px none; box-sizing: border-box; "><section class="active" style="color: rgb(30, 155, 232); box-sizing: border-box; "><section style="color: inherit; box-sizing: border-box; "><strong style="">Dissolve（融合）</strong></section></section></section><section style="white-space: normal; border: 0px none; box-sizing: border-box; "><section style="margin-top: 20px; margin-bottom: 20px; padding: 20px 10px; border-top-width: 1px; border-top-style: dashed; border-top-color: rgb(153, 153, 153); border-bottom-width: 1px; border-bottom-style: dashed; border-bottom-color: rgb(153, 153, 153); color: rgb(60, 60, 60); text-align: justify; box-sizing: border-box; "><p style="white-space: normal; line-height: 1.5em; text-align: center; "><img src="http://up.upnews.cn/images/20160612/jYicjbq67iaQlj8FdeSI5FIwbIbIIHuJBSBS5NqfMWDjyuCxwZ32TToJ5fuFdbG40qqsVpkRlv8Cn5XaRUO9mTSQ.jpg" /><br  /></p></section></section><section style="border: 0px none; box-sizing: border-box; "><p style="white-space: normal; "><strong style="line-height: 18px; white-space: normal; "><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">1、对一个图层的要素的属性进行汇总或描述</span></strong></p><p style="white-space: normal; "><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">以</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">“</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">统计类型</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;"> + </span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">下划线</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;"> + </span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">输入字段名</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">”</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">为命名标准，将用来汇总属性的统计以单个字段的形式添加到输出要素类中。例如，如果对名为</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">POP </span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">的字段使用</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">SUM </span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">统计，则输出中将存在名为</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">SUM_POP </span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px;">的字段。</span></p><p style="white-space: normal; "><strong><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">2、融合可在输出要素类中创建超大型要素</span></strong></p><p style="white-space: normal; "><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">当融合字段中存在少量唯一值时或将所有要素融合为单个要素时尤其适用。超大型要素可能会引起处理或显示故障和/或降低在地图上进行绘制或编辑时的性能。对于“融合”工具创建的超大型要素，可以使用</span><a style="outline: 0px; cursor: pointer; background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; text-decoration: underline; ">切分</a><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">工具来切割较大的要素，以解决处理、显示或性能上的问题。</span></p><p style="white-space: normal; "><strong><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">3、空值将被排除在所有统计计算之外。</span></strong></p><p style="white-space: normal; "><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">例如，</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">10</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">、</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">5 </span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">和空值的</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; "> AVERAGE </span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">为</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; "> 7.5((10+5)/2)</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">。</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">COUNT</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">工具可返回统计计算中所包括值的数目。</span><br  /></p></section></section></section></section></section><p style="white-space: normal; "><br style=""  /></p></section><section class="articlee7" style="white-space: normal; font-family: 微软雅黑; "><section data-id="653" class="e7editor" data-color="rgb(30, 155, 232)" data-custom="rgb(30, 155, 232)" style="border: 0px none; box-sizing: border-box; "><section style="border: 0px none; box-sizing: border-box; "><section style="margin-right: 5px; margin-left: 5px; box-sizing: border-box; "><section style="margin-bottom: -54px; text-align: right; box-sizing: border-box; "><section style="margin-right: 10px; display: inline-block; box-sizing: border-box; "><section style="float: left; box-sizing: border-box; "><section style="opacity: 0.85; box-sizing: border-box; "><section class="white" style="padding-right: 5px; padding-left: 5px; width: 50px; height: 50px; display: table-cell; vertical-align: middle; color: rgb(255, 255, 255); background-color: rgb(30, 155, 232); text-align: center; box-sizing: border-box; "><section style="color: inherit; box-sizing: border-box; "><strong class="count" style="">4</strong></section><section style="font-size: 12px; color: inherit; box-sizing: border-box; "><span style="color: inherit; ">class</span></section></section><section style="border-top-width: 10px; border-top-style: solid; border-top-color: rgb(30, 155, 232); border-left-width: 25px; border-left-style: solid; border-left-color: transparent; border-right-width: 25px; border-right-style: solid; border-right-color: transparent; height: 0px; width: 0px; box-sizing: border-box; "></section></section></section><section style="border-bottom-width: 12px; border-bottom-style: solid; border-bottom-color: rgb(30, 155, 232); border-left-width: 0px; border-left-style: solid; border-left-color: transparent; border-right-width: 12px; border-right-style: solid; border-right-color: transparent; height: 0px; width: 0px; float: left; box-sizing: border-box; "></section></section></section><section style="padding: 50px 10px 10px; box-shadow: rgba(0, 0, 0, 0.496094) 0px 0px 6px; box-sizing: border-box; "><section style="border: 0px none; box-sizing: border-box; "><section class="active" style="color: rgb(30, 155, 232); box-sizing: border-box; "><section style="color: inherit; box-sizing: border-box; "><strong style="">Append（附加）</strong></section></section></section><section style="border: 0px none; box-sizing: border-box; "><section style="margin-top: 20px; margin-bottom: 20px; padding: 20px 10px; border-top-width: 1px; border-top-style: dashed; border-top-color: rgb(153, 153, 153); border-bottom-width: 1px; border-bottom-style: dashed; border-bottom-color: rgb(153, 153, 153); color: rgb(60, 60, 60); text-align: justify; box-sizing: border-box; "><p style="white-space: normal; line-height: 1.5em; text-align: center; "><img src="http://up.upnews.cn/images/20160612/jYicjbq67iaQlj8FdeSI5FIwbIbIIHuJBSmfxYlaBmYLMOumiaKKOLia8xa7YRDYpNX9pqZ7XJpgAicAc8RPO3ser9Q.jpg" /><br  /></p></section></section><section style="border: 0px none; box-sizing: border-box; "><p style="white-space: normal; "><strong style="line-height: 18px; "><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">1、可将多个数据集中的新要素或其他数据添加至现有数据集</span></strong></p><p style="white-space: normal; "><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">该工具可将<strong>点、线、面要素类、表、栅格、栅格目录、注记要素类或尺寸要素类</strong>追加<strong>到现有的相同类型数据集中</strong>。例如，可将多个表追加到现有表中，或将多个栅格追加到现有栅格数据集中，但是不能将线要素类追加至点要素类中。</span></p><p style="white-space: normal; "><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; "></span></p><p style="white-space: normal; "><strong style=""><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">2、不会打断要素</span></strong></p><p style="white-space: normal; "><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">输入要素类和目标要素类中的所有要素都将在追加后保持原样，即使出现要素相互叠置情况也是如此。要合并或打断要素几何，应使用</span><a esrisubtype="extrel" style="outline: 0px; cursor: pointer; background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; text-decoration: underline; ">联合</a><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">工具。</span></p><p style="white-space: normal; "><strong><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">3、注意坐标系</span></strong></p><p style="white-space: normal; "><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">如果输入要素类和目标要素类的空间参考不匹配，该</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">工具会将输入要素类中的要素投影到目标要素类所使用的坐标系中。</span></p><p style="white-space: normal; "><strong><span style="color: rgb(0, 82, 255); font-size: 14px; line-height: 24px; background-color: rgb(255, 255, 255); ">4、可将地图图层用作输入数据集</span></strong></p><p style="white-space: normal; "><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">如果图层具有选定内容，则</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">“</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">追加</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">”</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">工具只会使用所选记录（要素或表行）。</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">此工具不能使用具有相同名称的多个输入</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">图层</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">。虽然</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; "> ArcMap </span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-size: 14px; line-height: 24px; ">可显示具有相同名称的图层，但不得使用这些图层。</span></p></section></section></section></section></section><p style="white-space: normal; "><br style=""  /></p></section><section class="articlee7" style="font-family: 微软雅黑; "><section data-id="589" class="e7editor" style="border: 0px none; box-sizing: border-box; " data-color="rgb(30, 155, 232)" data-custom="rgb(30, 155, 232)"><section style="margin: 1em auto; white-space: normal; border: 0px none; text-align: center; width: 100%; box-sizing: border-box; " data-width="100%"><span style="width: 100%; border-top-style: solid; border-top-width: 1px; border-top-color: rgb(30, 155, 232); display: inline-block; " data-width="100%"><section class="white" style="min-height: 32px; background-color: rgb(30, 155, 232); color: rgb(255, 255, 255); display: inline-block; border-bottom-left-radius: 10px; padding: 5px 10px; border-bottom-right-radius: 10px; font-size: 20px; box-sizing: border-box; ">
	<p class="brush" style="white-space: normal; ">  一张表看全文</p></section></span></section></section><p style="white-space: normal; "><br style=""  /></p></section><p><img src="http://up.upnews.cn/images/20160612/jYicjbq67iaQlj8FdeSI5FIwbIbIIHuJBSmTGYtqYF69yfUnPBbWfloN83VZ8Hdjavm8VciaTygTqvS9VHDhPSTKg.png" /><br  /></p><p><br  /></p><p><br  /></p><p style="text-align: center; "><img src="http://up.upnews.cn/images/20160612/jYicjbq67iaQlwyRogYoIKKv62liaw5ET6EeHUjnFIruXMqYzdFd1xvUcyZ3XeknyKkO01cxkYAydyXVLsEbK6MXA.gif" /><span style="color: rgb(62, 62, 62); line-height: 25.600000381469727px; text-align: center; background-color: rgb(255, 255, 255); "> </span></p>
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