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框选拾取示例
概述
本教程提供了Render SDK框选拾取的使用教程。
前置条件
如果未初始化SDK，需要通过以下代码初始化
//创建sdk组件
//创建实体Render
auto mRender = mRenderComponent->CreateBasicRender();
AMCAX_RENDER_API std::shared_ptr< IRenderComponent > CreateRenderComponent(QWidget *parent)
Create Render Component
示例代码
以下代码展示了如何设置框选拾取的状态和配置
CMakeLists.txt
cmake_minimum_required(VERSION 3.16)
project(RubberBandPickSample)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)
add_definitions(-DUSE_AMCAX_KERNEL)
list(APPEND CMAKE_PREFIX_PATH ${AMCAXRender_PATH})
find_package(AMCAXRender )
find_package(Qt6 COMPONENTS Widgets Core Gui REQUIRED)
list(APPEND CMAKE_PREFIX_PATH ${Json_PATH})
find_package(nlohmann_json 3.11.3 REQUIRED)
file(GLOB ALL_UI_FILES *.ui)
file(GLOB ALL_FILES *.cpp *.h)
add_executable(${PROJECT_NAME} ${ALL_UI_FILES} ${ALL_FILES})
target_link_libraries(${PROJECT_NAME} PRIVATE ${AMCAX_components})
target_link_libraries(${PROJECT_NAME} PRIVATE Qt6::Core Qt6::Gui Qt6::Widgets)
target_link_libraries(${PROJECT_NAME} PRIVATE AMCAXRender::AMCAXRender)
main.cpp
#include <QApplication>
#include "Mainwindow.h"
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
Mainwindow w;
w.show();
return a.exec();
}
Mainwindow.h
#pragma once
#include <QWidget>
#include "ui_Mainwindow.h"
#include <AMCAXRender.h>
class Mainwindow : public QWidget
{
Q_OBJECT
public:
Mainwindow(QWidget *parent = nullptr);
~Mainwindow();
private:
Ui::MainwindowClass ui;
std::shared_ptr<AMCAXRender::IRenderComponent> mRenderComponent;
std::shared_ptr<AMCAXRender::CBasicRender> mRender;
};
Component Creation
Mainwindow.cpp
#include "Mainwindow.h"
Mainwindow::Mainwindow(QWidget *parent)
: QWidget(parent)
{
ui.setupUi(this);
//初始化
mRenderComponent = AMCAXRender::CreateRenderComponent(this);
mRender = mRenderComponent->CreateBasicRender();
//窗口布局
ui.gridLayout->addWidget(mRender->widget);
//禁用
mRender->interactionCenter->SetRubberBandStatus(AMCAXRender::RubberBandStatus::Disable);
//框选拾取持续
mRender->interactionCenter->SetRubberBandStatus(AMCAXRender::RubberBandStatus::PickPermanent);
//框选拾取一次
mRender->interactionCenter->SetRubberBandStatus(AMCAXRender::RubberBandStatus::PickOnce);
AMCAXRender::RubberBandPickConfig config1;
//设置正选或反选
config1.SetMode(AMCAXRender::RubberBandPickConfig::SelectionMode::Normal);
//设置拾取方式，基于几何相交或者颜色
config1.SetPickMode(AMCAXRender::RubberBandPickConfig::PickMode::Intersection);
//设置边界是否包含
config1.SetIncludeBoundary(false);
//设置浮窗混合颜色
config1.SetBlendColor(new unsigned char[3] {0, 255, 0});
config1.SetPickType(AMCAXRender::PickType::edge | AMCAXRender::PickType::face);
//设置拾取配置（从左到右）
mRender->styleManage->setRubberBandPickConfig(1, config1);
AMCAXRender::RubberBandPickConfig config2;
config2.SetMode(AMCAXRender::RubberBandPickConfig::SelectionMode::Normal);
config2.SetPickMode(AMCAXRender::RubberBandPickConfig::PickMode::Intersection);
config2.SetIncludeBoundary(true);
config2.SetBlendColor(new unsigned char[3] {255, 0, 0});
config2.SetPickType(AMCAXRender::PickType::edge | AMCAXRender::PickType::face);
//设置拾取配置（从右到左）
mRender->styleManage->SetRubberBandPickConfig(0, config2);
mRender->cameraManage->ResetCamera();
mRender->entityManage->DoRepaint();
}
Mainwindow::~Mainwindow()
{
}
Mainwindow.ui
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>MainwindowClass</class>
<widget class="QWidget" name="MainwindowClass">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>600</width>
<height>400</height>
</rect>
</property>
<property name="windowTitle">
<string>Mainwindow</string>
</property>
<layout class="QGridLayout" name="gridLayout_2">
<item row="0" column="0">
<layout class="QGridLayout" name="gridLayout"/>
</item>
</layout>
</widget>
<layoutdefault spacing="6" margin="11"/>
<resources/>
<connections/>
</ui>
框选拾取预览
更多
更多框选拾取设置请参考 InteractionCenter.h StyleManage.h
