public MoveTool()
{
//CancelKey = Keys.Escape;
dragLayers = new List <VectorLayer>();
Name = "Move";
fallOffPolicy = new NoFallOffPolicy();
}
public MoveTool()
{
//CancelKey = Keys.Escape;
dragLayers = new List<VectorLayer>();
Name = "Move";
fallOffPolicy = new NoFallOffPolicy();
}
public override IFeatureRelationInteractor Activate(IFeature feature, IFeature cloneFeature, AddRelatedFeature addRelatedFeature, int level, IFallOffPolicy fallOffPolicy)
{
FallOffPolicy = fallOffPolicy ?? new NoFallOffPolicy();
INode node;
if (null != (node = (feature as INode)))
{
var cloneRule = (NodeToBranchRelationInteractor)CloneRule();
cloneRule.Start(node, addRelatedFeature, level);
return cloneRule;
}
return null;
}
public override IFeatureRelationInteractor Activate(IFeature feature, IFeature cloneFeature, AddRelatedFeature addRelatedFeature, int level, IFallOffPolicy fallOffPolicy)
{
FallOffPolicy = fallOffPolicy ?? new NoFallOffPolicy();
var branch = feature as IBranch;
if (branch == null || branch.BranchFeatures.Count <= 0)
{
return(null);
}
var cloneRule = (BranchToBranchFeatureRelationInteractor <T>)CloneRule();
cloneRule.Start(branch, cloneFeature as IBranch, addRelatedFeature, level);
return(cloneRule);
}
public static IList <double> UpdateNewFractions(ILineString oldLineString, ILineString newLineString, IList <double> fractions, IList <int> handles, IFallOffPolicy fallOffPolicy)
{
if (fallOffPolicy.FallOffPolicy != FallOffType.None || handles.Count == 0)
{
// no handles is editing the entire linestring; fractions do not need updating.
return(fractions);
}
var handle = handles[0];
var handleMinus1 = (handle > 0) ? handle - 1 : handle;
var handlePlus1 = (handle < newLineString.Coordinates.Length - 1) ? handle + 1 : handle;
var fraction = GeometryHelper.LineStringGetFraction(oldLineString, handle);
var prevFraction = GeometryHelper.LineStringGetFraction(oldLineString, handleMinus1);
var nextFraction = GeometryHelper.LineStringGetFraction(oldLineString, handlePlus1);
var oldLength1 = GeometryHelper.LineStringGetDistance(oldLineString, handle) -
GeometryHelper.LineStringGetDistance(oldLineString, handleMinus1);
var newLength1 = GeometryHelper.LineStringGetDistance(newLineString, handle) -
GeometryHelper.LineStringGetDistance(newLineString, handleMinus1);
var forOffset = GeometryHelper.LineStringGetDistance(oldLineString, handleMinus1);
var oldLength2 = GeometryHelper.LineStringGetDistance(oldLineString, handlePlus1) -
GeometryHelper.LineStringGetDistance(oldLineString, handle);
var newLength2 = GeometryHelper.LineStringGetDistance(newLineString, handlePlus1) -
GeometryHelper.LineStringGetDistance(newLineString, handle);
var afterFactor = newLength2 / oldLength2;
var afterOffset = GeometryHelper.LineStringGetDistance(newLineString, handle);
if (handles.Count != 1)
{
return(fractions);
}
var newFractions = new List <double>();
var forFactor = newLength1 / oldLength1;
// during update features along the branch are updated following 5 different policies
for (int i = 0; i < fractions.Count; i++)
{
if (fractions[i] >= 1.0)
{
// 0: features at offset1 will remain at offset 1 (idem for 0)
newFractions.Add(1.0);
}
else if (fractions[i] <= prevFraction)
{
// 1: features before moving segment. These features will retain their distance to
// the start of old branch.
newFractions.Add(GeometryHelper.LineStringGetFraction(newLineString,
GeometryHelper.LineStringGetDistance(oldLineString, fractions[i])));
}
else if (fractions[i] < fraction)
{
// 2: features at the moving segment but before the 'active' curvepoint will retain
// their relative position in the first part of the segment
double oldDistance = GeometryHelper.LineStringGetDistance(oldLineString, fractions[i]);
double oldDelta = oldDistance - forOffset;
double newDelta = oldDelta * forFactor;
newFractions.Add(GeometryHelper.LineStringGetFraction(newLineString, forOffset + newDelta));
}
else if (fractions[i] < nextFraction)
{
// 3: features at the moving segment but after the 'active' curvepoint will retain
// their relative position in the second part of the segment
double oldDistance = GeometryHelper.LineStringGetDistance(oldLineString, fractions[i]);
double oldDelta = oldDistance - GeometryHelper.LineStringGetDistance(oldLineString, handle);
double newDelta = oldDelta * afterFactor;
newFractions.Add(GeometryHelper.LineStringGetFraction(newLineString, afterOffset + newDelta));
}
else // if (fractions[i] >= nextFraction)
{
// 4: features after moving segment. These features will retain their distance to
// the end of the old branch.
double oldDistance = GeometryHelper.LineStringGetDistance(oldLineString, fractions[i]);
newFractions.Add(GeometryHelper.LineStringGetFraction(newLineString,
newLineString.Length - (oldLineString.Length - oldDistance)));
}
}
// else multiple handles can be selected by the user (CTRL key) or during a move linestring operation
// newfractions count should equal fractions count
return(newFractions);
}
public virtual IFeatureRelationInteractor Activate(IFeature feature, IFeature cloneFeature, AddRelatedFeature addRelatedFeature, int level, IFallOffPolicy fallOffPolicy)
{
return(null);
}
public override IFeatureRelationInteractor Activate(IFeature feature, IFeature cloneFeature, AddRelatedFeature addRelatedFeature, int level, IFallOffPolicy fallOffPolicy)
{
FallOffPolicy = fallOffPolicy ?? new NoFallOffPolicy();
INode node;
if (null != (node = (feature as INode)))
{
var cloneRule = (NodeToBranchRelationInteractor)CloneRule();
cloneRule.Start(node, addRelatedFeature, level);
return(cloneRule);
}
return(null);
}
public static IList<double> UpdateNewFractions(ILineString oldLineString, ILineString newLineString, IList<double> fractions, IList<int> handles, IFallOffPolicy fallOffPolicy)
{
if (fallOffPolicy.FallOffPolicy != FallOffType.None || handles.Count == 0)
{
// no handles is editing the entire linestring; fractions do not need updating.
return fractions;
}
var handle = handles[0];
var handleMinus1 = (handle > 0) ? handle - 1 : handle;
var handlePlus1 = (handle < newLineString.Coordinates.Length - 1) ? handle + 1 : handle;
var fraction = GeometryHelper.LineStringGetFraction(oldLineString, handle);
var prevFraction = GeometryHelper.LineStringGetFraction(oldLineString, handleMinus1);
var nextFraction = GeometryHelper.LineStringGetFraction(oldLineString, handlePlus1);
var oldLength1 = GeometryHelper.LineStringGetDistance(oldLineString, handle) -
GeometryHelper.LineStringGetDistance(oldLineString, handleMinus1);
var newLength1 = GeometryHelper.LineStringGetDistance(newLineString, handle) -
GeometryHelper.LineStringGetDistance(newLineString, handleMinus1);
var forOffset = GeometryHelper.LineStringGetDistance(oldLineString, handleMinus1);
var oldLength2 = GeometryHelper.LineStringGetDistance(oldLineString, handlePlus1) -
GeometryHelper.LineStringGetDistance(oldLineString, handle);
var newLength2 = GeometryHelper.LineStringGetDistance(newLineString, handlePlus1) -
GeometryHelper.LineStringGetDistance(newLineString, handle);
var afterFactor = newLength2 / oldLength2;
var afterOffset = GeometryHelper.LineStringGetDistance(newLineString, handle);
if (handles.Count != 1)
{
return fractions;
}
var newFractions = new List<double>();
var forFactor = newLength1 / oldLength1;
// during update features along the branch are updated following 5 different policies
for (int i = 0; i < fractions.Count; i++)
{
if (fractions[i] >= 1.0)
{
// 0: features at offset1 will remain at offset 1 (idem for 0)
newFractions.Add(1.0);
}
else if (fractions[i] <= prevFraction)
{
// 1: features before moving segment. These features will retain their distance to
// the start of old branch.
newFractions.Add(GeometryHelper.LineStringGetFraction(newLineString,
GeometryHelper.LineStringGetDistance(oldLineString, fractions[i])));
}
else if (fractions[i] < fraction)
{
// 2: features at the moving segment but before the 'active' curvepoint will retain
// their relative position in the first part of the segment
double oldDistance = GeometryHelper.LineStringGetDistance(oldLineString, fractions[i]);
double oldDelta = oldDistance - forOffset;
double newDelta = oldDelta * forFactor;
newFractions.Add(GeometryHelper.LineStringGetFraction(newLineString, forOffset + newDelta));
}
else if (fractions[i] < nextFraction)
{
// 3: features at the moving segment but after the 'active' curvepoint will retain
// their relative position in the second part of the segment
double oldDistance = GeometryHelper.LineStringGetDistance(oldLineString, fractions[i]);
double oldDelta = oldDistance - GeometryHelper.LineStringGetDistance(oldLineString, handle);
double newDelta = oldDelta * afterFactor;
newFractions.Add(GeometryHelper.LineStringGetFraction(newLineString, afterOffset + newDelta));
}
else // if (fractions[i] >= nextFraction)
{
// 4: features after moving segment. These features will retain their distance to
// the end of the old branch.
double oldDistance = GeometryHelper.LineStringGetDistance(oldLineString, fractions[i]);
newFractions.Add(GeometryHelper.LineStringGetFraction(newLineString,
newLineString.Length - (oldLineString.Length - oldDistance)));
}
}
// else multiple handles can be selected by the user (CTRL key) or during a move linestring operation
// newfractions count should equal fractions count
return newFractions;
}
public virtual IFeatureRelationInteractor Activate(IFeature feature, IFeature cloneFeature, AddRelatedFeature addRelatedFeature, int level, IFallOffPolicy fallOffPolicy)
{
return null;
}
