export default {
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methods: {
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// 获取影像层级
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getImageIndex(layer) {
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return Viewer.imageryLayers.indexOf(layer);
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},
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// 编辑影像
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editImage(editType, layer) {
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if (editType === "zIndex") {
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let oldValue = this.getImageIndex(layer);
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if (this.data.zIndex > oldValue) {
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Viewer.imageryLayers.raise(layer);
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} else {
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Viewer.imageryLayers.lower(layer);
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}
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} else if (editType === 'level') {
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layer._minimumTerrainLevel = this.data.level[0]
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layer._maximumTerrainLevel = this.data.level[1]
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layer.show = false
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setTimeout(() => {
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layer.show = true
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}, 500)
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} else if (editType === 'alpha') {
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layer.alpha = this.data.alpha
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}
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},
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// 还原
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restore(layer) {
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// 还原图层索引
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if (this.data.zIndex != this.defaultEditData.zIndex) {
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let num = this.data.zIndex - this.defaultEditData.zIndex
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for (let i = 0; i < Math.abs(num); i++) {
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if (num < 0) {
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Viewer.imageryLayers.raise(layer);
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} else {
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Viewer.imageryLayers.lower(layer);
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}
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}
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}
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// 还原层级
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if (this.data.level.join(',') != this.defaultEditData.Level) {
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if (this.defaultEditData.Level) {
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if (this.defaultEditData.Level.split) {
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let level = this.defaultEditData.Level.split(",")
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layer._minimumTerrainLevel = level[0]
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layer._maximumTerrainLevel = level[1]
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} else if (!Number.isNaN(parseInt(this.defaultEditData.Level))) {
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layer._minimumTerrainLevel = parseInt(this.defaultEditData.Level)
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layer._maximumTerrainLevel = undefined
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}
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} else {
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layer._minimumTerrainLevel = undefined
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layer._maximumTerrainLevel = undefined
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}
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layer.show = false
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setTimeout(() => {
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layer.show = true
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}, 500)
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}
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layer.alpha = this.defaultEditData.alpha
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}
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}
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}
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