diff --git a/helix/constants/global_constants.py b/helix/constants/global_constants.py index 9d457e1..1476765 100644 --- a/helix/constants/global_constants.py +++ b/helix/constants/global_constants.py @@ -7,3 +7,5 @@ parapet_coefficients = 0.88, 1.2 system_force_capacity = 418. minimum_racking_capacity = 226 + +max_corner_angle = 135 \ No newline at end of file diff --git a/helix/main.py b/helix/main.py index c1cbc5d..94b0c83 100644 --- a/helix/main.py +++ b/helix/main.py @@ -296,6 +296,7 @@ def array_summary(): calculator.subarrays, max_y) context['buildings'] = project_presenter.get_buildings(calculator.buildings_for_drawing, max_y) + context['corners'] = project_presenter.get_corners(calculator.buildings) context['override_form'] = True context['cad_file_name'] = session_manager.site.cad_file_name or 'Upload System Text Data' context['dxf_file_name'] = session_manager.site.dxf_file_name or 'Upload System DXF' diff --git a/helix/models/corner.py b/helix/models/corner.py new file mode 100644 index 0000000..24e474f --- /dev/null +++ b/helix/models/corner.py @@ -0,0 +1,13 @@ + + +class Corner(object): + def __init__(self, x, y, length_ccw, length_cw, angle): + self.x = x + self.y = y + self.length_ccw = length_ccw + self.length_cw = length_cw + self.angle = angle + + @property + def dictionary(self): + return {"x": self.x, "y": self.y, "length ccw": self.length_ccw, "length cw : ": self.length_cw, "angle": self.angle} diff --git a/helix/presenters/panel_presenter.py b/helix/presenters/panel_presenter.py index 08017b5..22ecae0 100644 --- a/helix/presenters/panel_presenter.py +++ b/helix/presenters/panel_presenter.py @@ -1,4 +1,7 @@ import sys +from math import sqrt, atan, degrees +from helix.models.corner import Corner +from helix.constants.global_constants import max_corner_angle class ProjectPresenter(object): def __init__(self, system_type, module_type): @@ -18,8 +21,6 @@ class ProjectPresenter(object): spacing_x, spacing_y = module_constants.presenter_spacing wind_zones = system_constants.wind_zones - - for panel in panels: subarray = [x for x in subarrays if x.subarray_number == panel.subarray][0] origin = subarray.origin @@ -73,6 +74,45 @@ class ProjectPresenter(object): return result + def get_corners(self, buildings): + result = [] + for building in buildings: + presentable_building = [] + result.append(presentable_building) + previous_corner = building[-1] + for i, corner in enumerate(building): + if (i+1 == len(building)): + next_corner = building[0] + else: + next_corner = building[i+1] + + #x coordinate is stored as first element of corner variable + #y coordinate is stored as second element of corner variable + corner_length_ccw = sqrt((next_corner[0] - corner[0])**2 + (next_corner[1] - corner[1])**2) + corner_length_cw = sqrt((previous_corner[0] - corner[0])**2 + (previous_corner[1] - corner[1])**2) + + k1 = float('Inf') if (corner[0]==previous_corner[0]) else (corner[1] - previous_corner[1]) / (corner[0] - previous_corner[0]) + k2 = float('Inf') if (corner[0]==next_corner[0]) else (next_corner[1] - corner[1]) / (next_corner[0] - corner[0]) + + theta2 = degrees(atan(k2)) + theta1 = degrees(atan(k1)) - theta2 + + if (theta1 < 0): + if (k1 < 0 and k2 < 0): + theta1 = 360 + theta1 + elif (k1 <= 0 and k2 >= 0): + theta1 = 180 + theta1 + else: + if (k1 > 0 and k2 > 0): + theta1 = 180 + theta1 + + if (theta1 < max_corner_angle): + presentable_building.append(Corner(corner[0], corner[1], corner_length_ccw,corner_length_cw, theta1).__dict__) + + previous_corner = corner + + return result + def get_max_y(self,buildings, panels): module_constants = self.system_type.module_constants(self.module_type) diff --git a/helix/templates/array_summary.html.jinja b/helix/templates/array_summary.html.jinja index 7e9147a..bb1f041 100644 --- a/helix/templates/array_summary.html.jinja +++ b/helix/templates/array_summary.html.jinja @@ -1,6 +1,16 @@ {% extends "layout.html.jinja" %} {% set title = "Helix Calculator" %} {% block contents %} + + diff --git a/test/helpers/panel_presenter_test.py b/test/helpers/panel_presenter_test.py index fe565df..10e281d 100644 --- a/test/helpers/panel_presenter_test.py +++ b/test/helpers/panel_presenter_test.py @@ -76,6 +76,56 @@ class PanelPresenterTest(unittest.TestCase): actual_buildings = self.subject.get_buildings(buildings,60) assert_array_equal(actual_buildings,expected_buildings) + def test_get_corners_box_building(self): + self.subject = ProjectPresenter(SystemType.singleTilt, ModuleType.Cell96) + buildings = [ [ [0, 0], [60, 0], [60,60], [0, 60] ] ] # big square + expected_corners = [[ + {'x': 0, 'y': 0, 'length_cw': 60, 'length_ccw':60, 'angle':90}, + {'x': 60, 'y': 0, 'length_cw': 60, 'length_ccw':60, 'angle':90}, + {'x': 60, 'y': 60, 'length_cw': 60, 'length_ccw':60, 'angle':90}, + {'x': 0, 'y': 60, 'length_cw': 60, 'length_ccw':60, 'angle':90} + ]] + actual_corners = self.subject.get_corners(buildings) + assert_array_equal(actual_corners,expected_corners) + + def test_get_corners_box_building_rotated_30_degrees(self): + self.subject = ProjectPresenter(SystemType.singleTilt, ModuleType.Cell96) + buildings = [ [ [0, 0], [51.96, 30], [21.96, 81.96], [-30, 51.96] ] ] # big square + expected_corners = [[ + {'x': 0, 'y': 0, 'length_cw': 59.99867998547968, 'length_ccw':59.99867998547968, 'angle':90}, + {'x': 51.96, 'y': 30, 'length_cw': 59.99867998547968, 'length_ccw':59.998679985479676, 'angle':90}, + {'x': 21.96, 'y': 81.96, 'length_cw': 59.998679985479676, 'length_ccw':59.998679985479676, 'angle':90}, + {'x': -30, 'y': 51.96, 'length_cw': 59.998679985479676, 'length_ccw':59.99867998547968, 'angle':90} + ]] + actual_corners = self.subject.get_corners(buildings) + assert_array_equal(actual_corners,expected_corners) + + def test_get_corners_building(self): + self.subject = ProjectPresenter(SystemType.singleTilt, ModuleType.Cell96) + buildings = [ [ [-3.42, 1.51], [-1.66, -1.64], [4.22, -0.87], [-0.8, 5.64]] ] + expected_corners = [[ + {'x': -3.42, 'y': 1.51, 'length_cw': 4.890940604832571, 'length_ccw':3.6083375673570233, 'angle':118.41626123074676}, + {'x': -1.66, 'y': -1.64, 'length_cw': 3.6083375673570233, 'length_ccw':5.930202357424239, 'angle':111.73284308914215}, + {'x': 4.22, 'y': -0.87, 'length_cw': 5.930202357424239, 'length_ccw':8.22073597678456, 'angle':59.823982400990424}, + {'x': -0.8, 'y': 5.64, 'length_cw': 8.22073597678456, 'length_ccw':4.890940604832571, 'angle':70.02691327912069} + ]] + actual_corners = self.subject.get_corners(buildings) + assert_array_equal(actual_corners,expected_corners) + + def test_get_corners_wild_building_with_big_angles(self): + self.subject = ProjectPresenter(SystemType.singleTilt, ModuleType.Cell96) + buildings = [ [ [-3.58, 3.32], [-0.78, -2.9], [-1.56,0.88], [0.66, -2.16], [1.5, 1.16], [2.72, 2.36], [-0.8, 5.64] ] ] + expected_corners = [[ + {'x': -3.58, 'y': 3.32, 'length_cw': 3.6208838699963852, 'length_ccw':6.821172919667115, 'angle':105.6106862572924}, + {'x': -0.78, 'y': -2.9, 'length_cw': 6.821172919667115, 'length_ccw':3.8596372886580936, 'angle':12.576112527956795}, + {'x': 0.66, 'y': -2.16, 'length_cw': 3.7643060449437424, 'length_ccw':3.424616766880639, 'angle':50.33783308603299}, + {'x': 2.72, 'y': 2.36, 'length_cw': 1.7112568480505783, 'length_ccw':4.811319985201567, 'angle':87.50512700090906}, + {'x': -0.8, 'y': 5.64, 'length_cw': 4.811319985201567, 'length_ccw':3.6208838699963852, 'angle':97.17527350158382} + ]] + actual_corners = self.subject.get_corners(buildings) + print(actual_corners) + assert_array_equal(actual_corners,expected_corners) + def test_get_max_y(self): self.subject = ProjectPresenter(SystemType.singleTilt, ModuleType.Cell96) panels = [