diff --git a/naturalearth_map_viewer(10)(12).html b/naturalearth_map_viewer(10)(12).html
index fe1dbc8..a91738f 100644
--- a/naturalearth_map_viewer(10)(12).html
+++ b/naturalearth_map_viewer(10)(12).html
@@ -179,6 +179,22 @@
stroke: rgba(0, 212, 255, 0.2);
stroke-width: 0.5;
}
+
+ .text-label {
+ fill: #ffd700;
+ font-size: 12px;
+ font-weight: bold;
+ text-anchor: middle;
+ pointer-events: none;
+ text-shadow: 0 0 5px #000;
+ }
+
+ .switch { position: relative; display: inline-block; width: 40px; height: 20px; }
+ .switch input { opacity: 0; width: 0; height: 0; }
+ .slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #334; transition: .4s; border-radius: 20px; }
+ .slider:before { position: absolute; content: ""; height: 14px; width: 14px; left: 3px; bottom: 3px; background-color: white; transition: .4s; border-radius: 50%; }
+ input:checked + .slider { background-color: #00d4ff; }
+ input:checked + .slider:before { transform: translateX(20px); }
#tooltip {
position: absolute;
@@ -305,6 +321,24 @@ 🌍 3D 球形地球观察器
2.5px
+
+ 日期:
+
+
请加载地图包或单独加载各级别地图
@@ -373,6 +407,7 @@ 🌍 3D 球形地球观察器
const g = svg.append("g");
const connectionsGroup = svg.append("g").attr("class", "connections");
+ const selectionGroup = svg.append("g").attr("class", "selection-points");
// 绘制经纬网
let graticulePath = g.append("path")
@@ -443,24 +478,30 @@ 🌍 3D 球形地球观察器
.attr("d", path)
.on("click", function(event, d) {
event.stopPropagation();
-
const centroid = d3.geoCentroid(d);
-
+ const name = d.properties.NAME || d.properties.name ||
+ d.properties.ADMIN || d.properties.admin || "未知";
+
if (selectedPoints.length === 0) {
selectedPoints.push(centroid);
d3.select(this).classed("selected", true);
updateConnectionMode();
-
- const name = d.properties.NAME || d.properties.name ||
- d.properties.ADMIN || d.properties.admin || "未知";
document.getElementById("info").textContent = `✅ 已选择起点: ${name}`;
+
+ // Immediately draw the first selection point
+ selectionGroup.append("circle")
+ .attr("class", "connection-point selection-point")
+ .attr("cx", projection(centroid)[0])
+ .attr("cy", projection(centroid)[1])
+ .attr("r", 5);
+
} else if (selectedPoints.length === 1) {
selectedPoints.push(centroid);
-
- const name = d.properties.NAME || d.properties.name ||
- d.properties.ADMIN || d.properties.admin || "未知";
document.getElementById("info").textContent = `✅ 已创建连接线到: ${name}`;
+ // Clear temporary selection point
+ selectionGroup.selectAll("*").remove();
+
drawConnection(selectedPoints[0], selectedPoints[1]);
selectedPoints = [];
@@ -501,6 +542,12 @@ 🌍 3D 球形地球观察器
// 绘制连接线
function drawConnection(point1, point2) {
+ const date = document.getElementById('connectionDate').value;
+ if (!date) {
+ alert("请先选择一个日期");
+ return;
+ }
+
// 使用 D3 的球面插值创建大圆弧
const interpolate = d3.geoInterpolate(point1, point2);
@@ -518,65 +565,150 @@ 🌍 3D 球形地球观察器
const currentLineWidth = document.getElementById("lineWidthSlider").value;
+ const connectionId = `conn-${Date.now()}`;
+ const connectionData = {
+ id: connectionId,
+ point1,
+ point2,
+ arcLine,
+ date,
+ text: ''
+ };
+
+ const connectionGroup = connectionsGroup.append("g")
+ .datum(connectionData)
+ .attr("class", "connection-group")
+ .attr("id", connectionId);
+
// 绘制弧线
- connectionsGroup.append("path")
- .datum(arcLine)
+ connectionGroup.append("path")
+ .datum(d => d.arcLine)
.attr("class", "connection-arc")
.attr("d", path)
- .style("stroke-width", `${currentLineWidth}px`);
+ .style("stroke-width", `${currentLineWidth}px`)
+ .on('dblclick', function(event) {
+ event.stopPropagation();
+ const parentData = d3.select(this.parentNode).datum();
+ const newText = prompt("请输入标签文本:", parentData.text);
+ if (newText !== null) {
+ parentData.text = newText;
+ renderOrUpdateTextLabels();
+ }
+ });
// 绘制起点和终点标记
- const center = [-projection.rotate()[0], -projection.rotate()[1]];
+ connectionGroup.append("circle")
+ .attr("class", "connection-point start-point")
+ .attr("r", 5);
- const isVisible1 = d3.geoDistance(point1, center) < Math.PI / 2;
- const p1 = projection(point1);
- connectionsGroup.append("circle")
- .datum({type: "Point", coordinates: point1})
- .attr("class", "connection-point")
- .attr("cx", p1 ? p1[0] : -999)
- .attr("cy", p1 ? p1[1] : -999)
- .attr("r", 5)
- .style("display", isVisible1 ? "block" : "none");
-
- const isVisible2 = d3.geoDistance(point2, center) < Math.PI / 2;
- const p2 = projection(point2);
- connectionsGroup.append("circle")
- .datum({type: "Point", coordinates: point2})
- .attr("class", "connection-point")
- .attr("cx", p2 ? p2[0] : -999)
- .attr("cy", p2 ? p2[1] : -999)
- .attr("r", 5)
- .style("display", isVisible2 ? "block" : "none");
+ connectionGroup.append("circle")
+ .attr("class", "connection-point end-point")
+ .attr("r", 5);
// 保存连接
- connections.push({point1, point2, arcLine});
+ connections.push(connectionData);
}
+ function generateArcPath(d) {
+ const arcMode = document.getElementById('arcModeToggle').checked;
+ if (!arcMode) {
+ return path(d.arcLine);
+ }
+
+ const arcHeight = +document.getElementById('arcHeightSlider').value;
+ const interpolate = d3.geoInterpolate(d.point1, d.point2);
+ const midPoint = interpolate(0.5);
+ const startPoint = projection(d.point1);
+ const endPoint = projection(d.point2);
+
+ if (!startPoint || !endPoint) return "M0,0";
+
+ const controlPoint = projection(midPoint);
+ const dist = Math.sqrt(Math.pow(endPoint[0] - startPoint[0], 2) + Math.pow(endPoint[1] - startPoint[1], 2));
+
+ controlPoint[1] -= dist * arcHeight;
+
+ return `M${startPoint[0]},${startPoint[1]} Q${controlPoint[0]},${controlPoint[1]} ${endPoint[0]},${endPoint[1]}`;
+ }
+
// 更新所有连接线的位置
function updateConnections() {
- connectionsGroup.selectAll("path").attr("d", path);
-
const center = [-projection.rotate()[0], -projection.rotate()[1]];
-
- connectionsGroup.selectAll("circle")
+
+ connectionsGroup.selectAll('.connection-group')
.each(function(d) {
- const circle = d3.select(this);
- const isVisible = d3.geoDistance(d.coordinates, center) < Math.PI / 2;
+ const group = d3.select(this);
+ const isVisible1 = d3.geoDistance(d.point1, center) < Math.PI / 2;
+ const isVisible2 = d3.geoDistance(d.point2, center) < Math.PI / 2;
+ const midPoint = d3.geoInterpolate(d.point1, d.point2)(0.5);
+ const isMidVisible = d3.geoDistance(midPoint, center) < Math.PI / 2;
+
+ group.style('display', isVisible1 || isVisible2 || isMidVisible ? 'block' : 'none');
+
+ group.select('.connection-arc').attr('d', generateArcPath(d));
+
+ const p1 = projection(d.point1);
+ group.select('.start-point')
+ .attr('cx', p1 ? p1[0] : -999)
+ .attr('cy', p1 ? p1[1] : -999)
+ .style('display', isVisible1 ? 'block' : 'none');
+
+ const p2 = projection(d.point2);
+ group.select('.end-point')
+ .attr('cx', p2 ? p2[0] : -999)
+ .attr('cy', p2 ? p2[1] : -999)
+ .style('display', isVisible2 ? 'block' : 'none');
+ });
+
+ renderOrUpdateTextLabels();
+
+ // Update temporary selection point
+ if (selectedPoints.length === 1) {
+ const p = projection(selectedPoints[0]);
+ selectionGroup.select('.selection-point')
+ .attr('cx', p[0])
+ .attr('cy', p[1]);
+ }
+
+ // Also update the main country paths
+ g.selectAll(".country").attr("d", path);
+ graticulePath.attr("d", path);
+ }
+
+ function renderOrUpdateTextLabels() {
+ connectionsGroup.selectAll('.connection-group').each(function(d) {
+ const group = d3.select(this);
+ let label = group.select('.text-label');
+
+ if (d.text && label.empty()) {
+ label = group.append('text').attr('class', 'text-label');
+ }
+
+ if (d.text) {
+ const p1 = d.point1;
+ const p2 = d.point2;
+ const midPoint = d3.geoInterpolate(p1, p2)(0.5);
+ const center = [-projection.rotate()[0], -projection.rotate()[1]];
+ const isVisible = d3.geoDistance(midPoint, center) < Math.PI / 2;
if (isVisible) {
- const p = projection(d.coordinates);
- circle.attr("cx", p[0])
- .attr("cy", p[1])
- .style("display", "block");
+ const pos = projection(midPoint);
+ label.attr('transform', `translate(${pos[0]}, ${pos[1]})`)
+ .text(d.text)
+ .style('display', 'block');
} else {
- circle.style("display", "none");
+ label.style('display', 'none');
}
- });
+ } else if (!label.empty()) {
+ label.remove();
+ }
+ });
}
// 清除所有连接线
function clearConnections() {
connectionsGroup.selectAll("*").remove();
+ selectionGroup.selectAll("*").remove();
connections = [];
selectedPoints = [];
g.selectAll(".country").classed("selected", false);
@@ -616,6 +748,7 @@ 🌍 3D 球形地球观察器
rotation[0] = (rotation[0] + rotationSpeed) % 360;
projection.rotate(rotation);
svg.selectAll(".sphere, .country, .graticule").attr("d", path);
+ updateConnections(); // Specifically update connections
updateDebugInfo();
}
});
@@ -998,6 +1131,33 @@ 🌍 3D 球形地球观察器
lineWidthValue.textContent = `${newWidth}px`;
connectionsGroup.selectAll(".connection-arc").style("stroke-width", `${newWidth}px`);
});
+
+ document.getElementById('connectionDate').addEventListener('change', function() {
+ // When date changes, clear any pending selections
+ if (selectedPoints.length > 0) {
+ selectedPoints = [];
+ g.selectAll(".country").classed("selected", false);
+ updateConnectionMode();
+ document.getElementById("info").textContent = "日期已更改，请重新选择起点。";
+ }
+ filterConnectionsByDate(this.value);
+ });
+
+ document.getElementById('arcModeToggle').addEventListener('change', function() {
+ const arcHeightControl = document.getElementById('arc-height-control');
+ arcHeightControl.style.display = this.checked ? 'flex' : 'none';
+ updateConnections();
+ });
+
+ document.getElementById('arcHeightSlider').addEventListener('input', function() {
+ document.getElementById('arcHeightValue').textContent = this.value;
+ updateConnections();
+ });
+
+ function filterConnectionsByDate(selectedDate) {
+ connectionsGroup.selectAll('.connection-group')
+ .style('display', d => (d.date === selectedDate) ? 'block' : 'none');
+ }
function updateRotationStatus() {
const btn = document.getElementById("toggleRotation");
@@ -1011,6 +1171,9 @@ 🌍 3D 球形地球观察器
}
}
+ // Initial call to set button text correctly
+ updateRotationStatus();
+
function handleResize() {
width = globeContainer.clientWidth;
height = globeContainer.clientHeight;
@@ -1031,6 +1194,9 @@ 🌍 3D 球形地球观察器
window.addEventListener('resize', handleResize);
handleResize(); // Initial call
+
+ // Set default date to today
+ document.getElementById('connectionDate').valueAsDate = new Date();