Add debugging funciton to add cartesian axes for a scene graph node

This commit is contained in:
Emma Broman
2021-07-08 09:50:35 +02:00
parent 893995de5b
commit 4c5f45fccb
2 changed files with 102 additions and 17 deletions
+11 -1
View File
@@ -60,7 +60,7 @@ scripting::LuaLibrary DebuggingModule::luaLibrary() const {
&luascriptfunctions::renderCameraPath,
{},
"[number, bool, number]",
"Render the current camera path from the path navigation system. The "
"Render the current camera path from the path navigation system. The "
"first optional argument is the number of samples to take along the path "
"(defaults to 100). If a second optional argument is included and set to "
"true, a line indicating the camera view direction along the path will "
@@ -89,6 +89,16 @@ scripting::LuaLibrary DebuggingModule::luaLibrary() const {
{},
"",
"Removes the rendered control points"
},
{
"addCartesianAxes",
&luascriptfunctions::addCartesianAxes,
{},
"string, string [,number]",
"Adds a set of Cartesian axes to the scene graph node identified by the "
"first string, to illustrate its local coordinate system. The second string "
"will be used to set the identifier of the axes. The third (optional) "
"argument is a scale value, in meters."
}
};
+91 -16
View File
@@ -26,28 +26,44 @@
#include <openspace/navigation/navigationhandler.h>
#include <openspace/navigation/path.h>
#include <openspace/navigation/pathnavigator.h>
#include <openspace/rendering/renderengine.h>
#include <openspace/scene/scene.h>
#include <openspace/scene/scenegraphnode.h>
#include <openspace/scripting/scriptengine.h>
#include <ghoul/logging/logmanager.h>
namespace {
constexpr const char _loggerCat[] = "Debugging";
constexpr const char RenderedPathIdentifier[] = "CurrentCameraPath";
constexpr const char RenderedPointsIdentifier[] = "CurrentPathControlPoints";
constexpr const char DebuggingGuiPath[] = "/Debugging";
constexpr const glm::vec3 PathColor = { 1.0, 1.0, 0.0 };
constexpr const glm::vec3 OrientationLineColor = { 0.0, 1.0, 1.0 };
// Conver the input string to a format that is valid as an identifier
std::string makeIdentifier(std::string s) {
std::replace(s.begin(), s.end(), ' ', '_');
std::replace(s.begin(), s.end(), '.', '-');
// Remove quotes and apostrophe, since they cause problems
// when a string is translated to a script call
s.erase(remove(s.begin(), s.end(), '\"'), s.end());
s.erase(remove(s.begin(), s.end(), '\''), s.end());
return s;
}
} // namespace
namespace openspace::luascriptfunctions {
/**
* PathNavigation
* Renders the current camera path
* Renders the current camera path
*/
int renderCameraPath(lua_State* L) {
int nArguments = ghoul::lua::checkArgumentsAndThrow(
L,
{ 0, 3 },
L,
{ 0, 3 },
"lua::renderCameraPath"
);
@@ -55,28 +71,28 @@ int renderCameraPath(lua_State* L) {
LWARNINGC("Debugging: PathNavigation", "There is no current path to render");
}
const interaction::Path* currentPath =
const interaction::Path* currentPath =
global::navigationHandler->pathNavigator().currentPath();
const int nSteps = (nArguments > 0) ? ghoul::lua::value<int>(L, 1) : 100;
bool renderDirections = (nArguments > 1) ? ghoul::lua::value<bool>(L, 2) : false;
constexpr const double defaultLineLength = 6e7;
const double directionLineLength =
const double directionLineLength =
(nArguments > 2) ? ghoul::lua::value<double>(L, 3) : defaultLineLength;
// Parent node. Note that we only render one path at a time, so remove the previously
// rendered one, if any
std::string addParentScript = fmt::format(
"if openspace.hasSceneGraphNode('{0}') then "
"if openspace.hasSceneGraphNode('{0}') then "
"openspace.removeSceneGraphNode('{0}') "
"end "
"openspace.addSceneGraphNode( {{ Identifier = '{0}' }} )",
"openspace.addSceneGraphNode( {{ Identifier = '{0}' }} )",
RenderedPathIdentifier
);
openspace::global::scriptEngine->queueScript(
addParentScript,
addParentScript,
scripting::ScriptEngine::RemoteScripting::Yes
);
@@ -113,10 +129,10 @@ int renderCameraPath(lua_State* L) {
);
};
auto addLineBetweenPoints = [pointIdentifier] (const std::string& id1,
const std::string& id2,
const glm::vec3& color,
float lineWidth)
auto addLineBetweenPoints = [pointIdentifier] (const std::string& id1,
const std::string& id2,
const glm::vec3& color,
float lineWidth)
{
const std::string lineNode = "{"
"Identifier = '" + fmt::format("Line{}", id1) + "',"
@@ -138,7 +154,7 @@ int renderCameraPath(lua_State* L) {
};
auto addDirectionLine = [addPoint, addLineBetweenPoints, directionLineLength]
(const std::string& pointId, const CameraPose& p)
(const std::string& pointId, const CameraPose& p)
{
const glm::dvec3 dir = glm::normalize(p.rotation * glm::dvec3(0.0, 0.0, -1.0));
const glm::dvec3 pointPosition = p.position + directionLineLength * dir;
@@ -205,7 +221,7 @@ int renderPathControlPoints(lua_State* L) {
const double radius = (nArguments > 0) ? ghoul::lua::value<int>(L, 1) : 2000000;
// Parent node. Note that we only render one set of points at a time,
// Parent node. Note that we only render one set of points at a time,
// so remove any previously rendered ones
std::string addParentScript = fmt::format(
"if openspace.hasSceneGraphNode('{0}') then "
@@ -222,10 +238,10 @@ int renderPathControlPoints(lua_State* L) {
const std::vector<glm::dvec3> points = currentPath->controlPoints();
const std::string guiPath =
const std::string guiPath =
fmt::format("{}/Camera Path Control Points", DebuggingGuiPath);
const char * colorTexturePath = "openspace.absPath("
const char* colorTexturePath = "openspace.absPath("
"openspace.createSingleColorImage('point_color', { 0.0, 1.0, 0.0 })"
")";
@@ -278,5 +294,64 @@ int removePathControlPoints(lua_State* L) {
return 0;
}
/**
* Add a set of cartesian axes to the specified scene graph node
*/
int addCartesianAxes(lua_State* L) {
int nArgs = ghoul::lua::checkArgumentsAndThrow(L, { 2, 3 }, "lua::addCartesianAxes");
const std::string& nodeName = ghoul::lua::value<std::string>(L, 1);
const std::string& axesIdentifier = ghoul::lua::value<std::string>(L, 2);
SceneGraphNode* n = global::renderEngine->scene()->sceneGraphNode(nodeName);
if (!n) {
return ghoul::lua::luaError(L, "Unknown scene graph node: " + nodeName);
}
double scale;
if (nArgs > 2) {
scale = ghoul::lua::value<double>(L, 3);
}
else {
scale = 2.0 * n->boundingSphere();
if (n->boundingSphere() < 1E-3) {
LWARNING("Using zero bounding sphere for scale of created axes. You might "
"have to set the scale manually for them to be visible");
scale += 1.0;
}
}
const std::string identifier = makeIdentifier(axesIdentifier);
const std::string& axes = "{"
"Identifier = '" + identifier + "',"
"Parent = '" + nodeName + "',"
"Transform = { "
"Scale = {"
"Type = 'StaticScale',"
"Scale = " + std::to_string(scale) + ""
"}"
"},"
"Renderable = {"
"Type = 'RenderableCartesianAxes',"
"Enabled = true,"
"XColor = { 1.0, 0.0, 0.0 },"
"YColor = { 0.0, 1.0, 0.0 },"
"ZColor = { 0.0, 0.0, 1.0 }"
"},"
"GUI = {"
"Name = '" + identifier + "',"
"Path = '" + DebuggingGuiPath + "/Coordiante Systems'"
"}"
"}";
openspace::global::scriptEngine->queueScript(
fmt::format("openspace.addSceneGraphNode({})", axes),
scripting::ScriptEngine::RemoteScripting::Yes
);
ghoul_assert(lua_gettop(L) == 0, "Incorrect number of items left on stack");
return 0;
}
} // namespace openspace::luascriptfunctions