22#include <Qt3DRender/QParameter>
23#include <Qt3DRender/QTexture>
94 elem.setAttribute( QStringLiteral(
"point-size" ),
mPointSize );
95 elem.setAttribute( QStringLiteral(
"render-as-triangles" ),
mRenderAsTriangles ? 1 : 0 );
106 mPointSize = elem.attribute( QStringLiteral(
"point-size" ), QStringLiteral(
"3.0" ) ).toFloat();
107 mRenderAsTriangles = elem.attribute( QStringLiteral(
"render-as-triangles" ), QStringLiteral(
"0" ) ).toInt() == 1;
108 mHorizontalTriangleFilter = elem.attribute( QStringLiteral(
"horizontal-triangle-filter" ), QStringLiteral(
"0" ) ).toInt() == 1;
109 mHorizontalFilterThreshold = elem.attribute( QStringLiteral(
"horizontal-filter-threshold" ), QStringLiteral(
"10.0" ) ).toFloat();
110 mVerticalTriangleFilter = elem.attribute( QStringLiteral(
"vertical-triangle-filter" ), QStringLiteral(
"0" ) ).toInt() == 1;
111 mVerticalFilterThreshold = elem.attribute( QStringLiteral(
"vertical-filter-threshold" ), QStringLiteral(
"10.0" ) ).toFloat();
135 return QStringLiteral(
"single-color" );
141 result->mSingleColor = mSingleColor;
164 mSingleColor = color;
170 mat->addParameter( renderingStyle );
171 Qt3DRender::QParameter *pointSizeParameter =
new Qt3DRender::QParameter(
"u_pointSize", QVariant::fromValue(
mPointSize ) );
172 mat->addParameter( pointSizeParameter );
173 Qt3DRender::QParameter *singleColorParameter =
new Qt3DRender::QParameter(
"u_singleColor", QVector3D( mSingleColor.redF(), mSingleColor.greenF(), mSingleColor.blueF() ) );
174 mat->addParameter( singleColorParameter );
187 result->mRenderingParameter = mRenderingParameter;
188 result->mColorRampShader = mColorRampShader;
189 result->mColorRampShaderMin = mColorRampShaderMin;
190 result->mColorRampShaderMax = mColorRampShaderMax;
197 return QStringLiteral(
"color-ramp" );
205 elem.setAttribute( QStringLiteral(
"rendering-parameter" ), mRenderingParameter );
206 elem.setAttribute( QStringLiteral(
"color-ramp-shader-min" ), mColorRampShaderMin );
207 elem.setAttribute( QStringLiteral(
"color-ramp-shader-max" ), mColorRampShaderMax );
208 QDomDocument doc = elem.ownerDocument();
209 const QDomElement elemColorRampShader = mColorRampShader.
writeXml( doc );
210 elem.appendChild( elemColorRampShader );
218 mRenderingParameter = elem.attribute(
"rendering-parameter", QString() );
219 mColorRampShaderMin = elem.attribute( QStringLiteral(
"color-ramp-shader-min" ), QStringLiteral(
"0.0" ) ).toDouble();
220 mColorRampShaderMax = elem.attribute( QStringLiteral(
"color-ramp-shader-max" ), QStringLiteral(
"1.0" ) ).toDouble();
221 mColorRampShader.
readXml( elem );
226 return mRenderingParameter;
231 mRenderingParameter = parameter;
236 return mColorRampShader;
246 mColorRampShaderMin = min;
247 mColorRampShaderMax = max;
253 mat->addParameter( renderingStyle );
254 Qt3DRender::QParameter *pointSizeParameter =
new Qt3DRender::QParameter(
"u_pointSize", QVariant::fromValue(
mPointSize ) );
255 mat->addParameter( pointSizeParameter );
257 Qt3DRender::QTexture1D *colorRampTexture =
nullptr;
260 colorRampTexture =
new Qt3DRender::QTexture1D( mat );
261 colorRampTexture->addTextureImage(
new QgsColorRampTexture( mColorRampShader, 1 ) );
262 colorRampTexture->setMinificationFilter( Qt3DRender::QTexture1D::Linear );
263 colorRampTexture->setMagnificationFilter( Qt3DRender::QTexture1D::Linear );
267 Qt3DRender::QParameter *colorRampTextureParameter =
new Qt3DRender::QParameter(
"u_colorRampTexture", colorRampTexture );
268 mat->addParameter( colorRampTextureParameter );
269 Qt3DRender::QParameter *colorRampCountParameter =
new Qt3DRender::QParameter(
"u_colorRampCount", mColorRampShader.
colorRampItemList().count() );
270 mat->addParameter( colorRampCountParameter );
272 Qt3DRender::QParameter *colorRampTypeParameter =
new Qt3DRender::QParameter(
"u_colorRampType",
static_cast<int>( colorRampType ) );
273 mat->addParameter( colorRampTypeParameter );
285 return QStringLiteral(
"rgb" );
291 result->mRedAttribute = mRedAttribute;
292 result->mGreenAttribute = mGreenAttribute;
293 result->mBlueAttribute = mBlueAttribute;
295 if ( mRedContrastEnhancement )
299 if ( mGreenContrastEnhancement )
303 if ( mBlueContrastEnhancement )
317 elem.setAttribute( QStringLiteral(
"red" ), mRedAttribute );
318 elem.setAttribute( QStringLiteral(
"green" ), mGreenAttribute );
319 elem.setAttribute( QStringLiteral(
"blue" ), mBlueAttribute );
321 QDomDocument doc = elem.ownerDocument();
324 if ( mRedContrastEnhancement )
326 QDomElement redContrastElem = doc.createElement( QStringLiteral(
"redContrastEnhancement" ) );
327 mRedContrastEnhancement->writeXml( doc, redContrastElem );
328 elem.appendChild( redContrastElem );
330 if ( mGreenContrastEnhancement )
332 QDomElement greenContrastElem = doc.createElement( QStringLiteral(
"greenContrastEnhancement" ) );
333 mGreenContrastEnhancement->writeXml( doc, greenContrastElem );
334 elem.appendChild( greenContrastElem );
336 if ( mBlueContrastEnhancement )
338 QDomElement blueContrastElem = doc.createElement( QStringLiteral(
"blueContrastEnhancement" ) );
339 mBlueContrastEnhancement->writeXml( doc, blueContrastElem );
340 elem.appendChild( blueContrastElem );
350 setRedAttribute( elem.attribute( QStringLiteral(
"red" ), QStringLiteral(
"Red" ) ) );
351 setGreenAttribute( elem.attribute( QStringLiteral(
"green" ), QStringLiteral(
"Green" ) ) );
352 setBlueAttribute( elem.attribute( QStringLiteral(
"blue" ), QStringLiteral(
"Blue" ) ) );
356 const QDomElement redContrastElem = elem.firstChildElement( QStringLiteral(
"redContrastEnhancement" ) );
357 if ( !redContrastElem.isNull() )
365 const QDomElement greenContrastElem = elem.firstChildElement( QStringLiteral(
"greenContrastEnhancement" ) );
366 if ( !greenContrastElem.isNull() )
374 const QDomElement blueContrastElem = elem.firstChildElement( QStringLiteral(
"blueContrastEnhancement" ) );
375 if ( !blueContrastElem.isNull() )
386 mat->addParameter( renderingStyle );
387 Qt3DRender::QParameter *pointSizeParameter =
new Qt3DRender::QParameter(
"u_pointSize", QVariant::fromValue(
mPointSize ) );
388 mat->addParameter( pointSizeParameter );
394 return mRedAttribute;
404 return mGreenAttribute;
414 return mBlueAttribute;
424 return mRedContrastEnhancement.get();
429 mRedContrastEnhancement.reset( enhancement );
434 return mGreenContrastEnhancement.get();
439 mGreenContrastEnhancement.reset( enhancement );
444 return mBlueContrastEnhancement.get();
449 mBlueContrastEnhancement.reset( enhancement );
463 result->mRenderingParameter = mRenderingParameter;
464 result->mCategoriesList = mCategoriesList;
471 return QStringLiteral(
"classification" );
477 QDomDocument doc = elem.ownerDocument();
481 elem.setAttribute( QStringLiteral(
"rendering-parameter" ), mRenderingParameter );
484 QDomElement catsElem = doc.createElement( QStringLiteral(
"categories" ) );
487 QDomElement catElem = doc.createElement( QStringLiteral(
"category" ) );
488 catElem.setAttribute( QStringLiteral(
"value" ), QString::number( category.value() ) );
489 catElem.setAttribute( QStringLiteral(
"pointSize" ), category.pointSize() );
490 catElem.setAttribute( QStringLiteral(
"label" ), category.label() );
492 catElem.setAttribute( QStringLiteral(
"render" ), category.renderState() ?
"true" :
"false" );
493 catsElem.appendChild( catElem );
495 elem.appendChild( catsElem );
503 mRenderingParameter = elem.attribute(
"rendering-parameter", QString() );
505 const QDomElement catsElem = elem.firstChildElement( QStringLiteral(
"categories" ) );
506 if ( !catsElem.isNull() )
508 mCategoriesList.clear();
509 QDomElement catElem = catsElem.firstChildElement();
510 while ( !catElem.isNull() )
512 if ( catElem.tagName() == QLatin1String(
"category" ) )
514 const int value = catElem.attribute( QStringLiteral(
"value" ) ).toInt();
515 const double size = catElem.attribute( QStringLiteral(
"pointSize" ), QStringLiteral(
"0" ) ).toDouble();
516 const QString label = catElem.attribute( QStringLiteral(
"label" ) );
517 const bool render = catElem.attribute( QStringLiteral(
"render" ) ) != QLatin1String(
"false" );
521 catElem = catElem.nextSiblingElement();
528 return mRenderingParameter;
538 mCategoriesList = categories;
546 if ( !category.renderState() )
547 filteredOut.push_back( category );
557 QList<QgsColorRampShader::ColorRampItem> colorRampItemList;
560 const QColor color = category.color();
562 colorRampItemList.push_back( item );
565 return colorRampShader;
573 mat->addParameter( renderingStyle );
574 Qt3DRender::QParameter *pointSizeParameter =
new Qt3DRender::QParameter(
"u_pointSize", QVariant::fromValue(
mPointSize ) );
575 mat->addParameter( pointSizeParameter );
577 Qt3DRender::QTexture1D *colorRampTexture =
nullptr;
580 colorRampTexture =
new Qt3DRender::QTexture1D( mat );
581 colorRampTexture->addTextureImage(
new QgsColorRampTexture( mColorRampShader, 1 ) );
582 colorRampTexture->setMinificationFilter( Qt3DRender::QTexture1D::Linear );
583 colorRampTexture->setMagnificationFilter( Qt3DRender::QTexture1D::Linear );
587 Qt3DRender::QParameter *colorRampTextureParameter =
new Qt3DRender::QParameter(
"u_colorRampTexture", colorRampTexture );
588 mat->addParameter( colorRampTextureParameter );
589 Qt3DRender::QParameter *colorRampCountParameter =
new Qt3DRender::QParameter(
"u_colorRampCount", mColorRampShader.
colorRampItemList().count() );
590 mat->addParameter( colorRampCountParameter );
592 Qt3DRender::QParameter *colorRampTypeParameter =
new Qt3DRender::QParameter(
"u_colorRampType",
static_cast<int>( colorRampType ) );
593 mat->addParameter( colorRampTypeParameter );
ShaderInterpolationMethod
Color ramp shader interpolation methods.
@ Exact
Assigns the color of the exact matching value in the color ramp item list.
@ Continuous
Uses breaks from color palette.
@ UnknownDataType
Unknown or unspecified type.
virtual void copyBaseSettings(QgsAbstract3DSymbol *destination) const
Copies base class settings from this object to a destination object.
void readXml(const QDomElement &elem, const QgsReadWriteContext &context) override
void writeXml(QDomElement &elem, const QgsReadWriteContext &context) const override
QgsAbstract3DSymbol * clone() const override SIP_FACTORY
void fillMaterial(QgsMaterial *material) override SIP_SKIP
Used to fill material object with necessary QParameters (and consequently opengl uniforms)
QString attribute() const
Returns the attribute used to select the color of the point cloud.
void setCategoriesList(const QgsPointCloudCategoryList &categories)
Sets the list of categories of the classification.
QgsPointCloudCategoryList getFilteredOutCategories() const
Gets the list of categories of the classification that should not be rendered.
void setAttribute(const QString &attribute)
Sets the attribute used to select the color of the point cloud.
QString symbolType() const override
Returns a unique string identifier of the symbol type.
QgsClassificationPointCloud3DSymbol()
void readXml(const QDomElement &elem, const QgsReadWriteContext &context) override
QgsAbstract3DSymbol * clone() const override SIP_FACTORY
void setAttribute(const QString &attribute)
Sets the attribute used to select the color of the point cloud.
void writeXml(QDomElement &elem, const QgsReadWriteContext &context) const override
void setColorRampShaderMinMax(double min, double max)
Sets the minimum and maximum values used when classifying colors in the color ramp shader.
QString attribute() const
Returns the attribute used to select the color of the point cloud.
QString symbolType() const override
Returns a unique string identifier of the symbol type.
QgsColorRampShader colorRampShader() const
Returns the color ramp shader used to render the color.
void setColorRampShader(const QgsColorRampShader &colorRampShader)
Sets the color ramp shader used to render the point cloud.
void fillMaterial(QgsMaterial *material) override SIP_SKIP
Used to fill material object with necessary QParameters (and consequently opengl uniforms)
QgsColorRampPointCloud3DSymbol()
A ramp shader will color a raster pixel based on a list of values ranges in a ramp.
Qgis::ShaderInterpolationMethod colorRampType() const
Returns the color ramp interpolation method.
void setClassificationMode(Qgis::ShaderClassificationMethod classificationMode)
Sets the classification mode.
QList< QgsColorRampShader::ColorRampItem > colorRampItemList() const
Returns the custom color map.
QDomElement writeXml(QDomDocument &doc, const QgsReadWriteContext &context=QgsReadWriteContext()) const
Writes configuration to a new DOM element.
void setColorRampType(Qgis::ShaderInterpolationMethod colorRampType)
Sets the color ramp interpolation method.
void setColorRampItemList(const QList< QgsColorRampShader::ColorRampItem > &list)
Sets a custom color map.
void readXml(const QDomElement &elem, const QgsReadWriteContext &context=QgsReadWriteContext())
Reads configuration from the given DOM element.
static QColor colorFromString(const QString &string)
Decodes a string into a color value.
static QString colorToString(const QColor &color)
Encodes a color into a string value.
Manipulates raster or point cloud pixel values so that they enhanceContrast or clip into a specified ...
void readXml(const QDomElement &elem)
bool verticalTriangleFilter() const
Returns whether triangles are filtered by vertical height for rendering.
float mVerticalFilterThreshold
float verticalFilterThreshold() const
Returns the threshold vertical height value for filtering triangles.
void setVerticalTriangleFilter(bool verticalTriangleFilter)
Sets whether triangles are filtered by vertical height for rendering.
void setHorizontalFilterThreshold(float horizontalFilterThreshold)
Sets the threshold horizontal size value for filtering triangles.
void setRenderAsTriangles(bool asTriangles)
Sets whether points are triangulated to render solid surface.
float horizontalFilterThreshold() const
Returns the threshold horizontal size value for filtering triangles.
void copyBaseSettings(QgsAbstract3DSymbol *destination) const override
float mHorizontalFilterThreshold
bool renderAsTriangles() const
Returns whether points are triangulated to render solid surface.
bool mHorizontalTriangleFilter
void setPointSize(float size)
Sets the point size.
~QgsPointCloud3DSymbol() override
void writeBaseXml(QDomElement &elem, const QgsReadWriteContext &context) const
Writes symbol configuration of this class to the given DOM element.
bool mVerticalTriangleFilter
@ Classification
Render the point cloud with classified colors.
@ SingleColor
Render the point cloud with a single color.
@ ColorRamp
Render the point cloud with a color ramp.
@ RgbRendering
Render the RGB colors of the point cloud.
void setHorizontalTriangleFilter(bool horizontalTriangleFilter)
Sets whether whether triangles are filtered by horizontal size for rendering.
bool horizontalTriangleFilter() const
Returns whether triangles are filtered by horizontal size for rendering.
void readBaseXml(const QDomElement &elem, const QgsReadWriteContext &context)
Reads symbol configuration of this class from the given DOM element.
void setVerticalFilterThreshold(float verticalFilterThreshold)
Sets the threshold vertical height value for filtering triangles.
Represents an individual category (class) from a QgsPointCloudClassifiedRenderer.
The class is used as a container of context for various read/write operations on other objects.
QString blueAttribute() const
Returns the attribute to use for the blue channel.
void readXml(const QDomElement &elem, const QgsReadWriteContext &context) override
void setBlueAttribute(const QString &attribute)
Sets the attribute to use for the blue channel.
void setGreenContrastEnhancement(QgsContrastEnhancement *enhancement SIP_TRANSFER)
Sets the contrast enhancement to use for the green channel.
QgsRgbPointCloud3DSymbol()
QString greenAttribute() const
Returns the attribute to use for the green channel.
QgsContrastEnhancement * blueContrastEnhancement()
Returns the contrast enhancement to use for the blue channel.
void setGreenAttribute(const QString &attribute)
Sets the attribute to use for the green channel.
QString redAttribute() const
Returns the attribute to use for the red channel.
void setBlueContrastEnhancement(QgsContrastEnhancement *enhancement SIP_TRANSFER)
Sets the contrast enhancement to use for the blue channel.
QgsContrastEnhancement * greenContrastEnhancement()
Returns the contrast enhancement to use for the green channel.
QgsContrastEnhancement * redContrastEnhancement()
Returns the contrast enhancement to use for the red channel.
void setRedContrastEnhancement(QgsContrastEnhancement *enhancement SIP_TRANSFER)
Sets the contrast enhancement to use for the red channel.
QgsAbstract3DSymbol * clone() const override SIP_FACTORY
QString symbolType() const override
Returns a unique string identifier of the symbol type.
void writeXml(QDomElement &elem, const QgsReadWriteContext &context) const override
void fillMaterial(QgsMaterial *material) override SIP_SKIP
Used to fill material object with necessary QParameters (and consequently opengl uniforms)
void setRedAttribute(const QString &attribute)
Sets the attribute to use for the red channel.
QString symbolType() const override
Returns a unique string identifier of the symbol type.
QgsAbstract3DSymbol * clone() const override SIP_FACTORY
void fillMaterial(QgsMaterial *material) override SIP_SKIP
Used to fill material object with necessary QParameters (and consequently opengl uniforms)
void readXml(const QDomElement &elem, const QgsReadWriteContext &context) override
void writeXml(QDomElement &elem, const QgsReadWriteContext &context) const override
QgsSingleColorPointCloud3DSymbol()
void setSingleColor(QColor color)
Sets the color used by the renderer when using SingleColor rendering mode.
QList< QgsPointCloudCategory > QgsPointCloudCategoryList