From 860db4e276c8545da9c1a3749d5a6baebeaa721e Mon Sep 17 00:00:00 2001 From: Baruch Zukerman Date: Tue, 31 Jan 2006 09:45:31 +0000 Subject: [PATCH] added 'How To' html page --- .../Boolean_set_operations_2/help/index.html | 248 ++++++++++++++++++ 1 file changed, 248 insertions(+) create mode 100644 Packages/Boolean_set_operations_2/demo/Boolean_set_operations_2/help/index.html diff --git a/Packages/Boolean_set_operations_2/demo/Boolean_set_operations_2/help/index.html b/Packages/Boolean_set_operations_2/demo/Boolean_set_operations_2/help/index.html new file mode 100644 index 00000000000..815de9a7718 --- /dev/null +++ b/Packages/Boolean_set_operations_2/demo/Boolean_set_operations_2/help/index.html @@ -0,0 +1,248 @@ + + + + Boolean operations on polygons + + + +

How to use the Boolean operations on polygons Demo

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+ Main Functionality +
+ Editing + +

 

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+ Reset application

+ Press Ctrl+N combination keys or go to File menu and choose "New". The + points list will be erased, the window's visible area will be set to + default. (-1, 1, -1, 1) + +

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+ Create a new window

+ Press Ctrl+W combination keys or go to File menu and choose "New Window". + A new window will appear, modifying the visible area to make the points + list fit in the new window. + +

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+ Reading input from DXF file

+ Press Ctrl+O combination keys or go to File menu and choose "Open DXF file". + A file dialog will be opened to choose an existing input file. + +

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+ Writing input to file

+ Press Ctrl+S combination keys or go to File menu and choose "Save" or "Save as". + Clicking "Save as" will open a file dialog to enter a file name. + Clicking "Save" will save the input to the last file name that was chosen, + and in case there isn't one yet, a file dialog will be opened. + + +

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Print +

+ Press Ctrl+P combination keys or go to File menu and choose "Print". The + visible area on the screen will be outputed to the print device of your + choice. + + +

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+ Close the current window

+ Press Ctrl+X combination keys or go to File menu and choose "Close". You + may do it for any window other than the initial one, this operation will + close only the one you have choosen. If you do this for the initial parent + window, it will close the others too. + +

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+ Quit the application

+ Press Ctrl+Q combination keys or go to File menu and choose "Quit". When + you quit the application, all the windows you have created will be + destroyed. + + +

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+ Perform a boolean operation

+ Left click on one of the boolean operations button layer (Intersection, + Union, Difference between Blue and Red, Difference between Red and Blue, + Symmetric Difference, Blue Complement, Red Complement). + the result polygon will be filled with orange and its boundary will be + green. + + +

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+ Set the current active polygons (red or blue)

+ Toggle the radio button to Blue or Red to determine current active polygonal + set, if the blue polygons is active, all inserted polygons and circles will be blue, + and the point location query will be on the blue polygonal set. + + +

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+ Insert circular polygon

+ Left click on the "Insert Circular Polygon" layer. Be sure there is no layer activated + in standard toolbar that eat events. To be sure, press the arrow button + situated on the standard toolbar. A new vertex is inserted every time the left + mouse button is pressed, if the polyline entered so far is simple. To insert a circular + arc press the left mouse button while pressing the Ctrl key, and the cursor will be moved + to the middle point of the current segment and moving the mouse will change the circular arc, + another left click will add the circular arc if it doesn't intersect somw other edge. + A right click closes the polygon, if it is simple. You can use the Escape key if you + want to remove your last entered point in the polygon. The new polygon is created. + To insert more than one polygon, keep doing as mentioned above without deactivating the + "Insert Circular Polygon" layer. To deactivate this layer, just press the arrow button + situated on the same toolbar. + + +

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+ Insert circle

+ Left click on the "Insert Circle" layer. Be sure there is no layer activated + in standard toolbar that eat events. To be sure, press the arrow button + situated on the standard toolbar. A left click on the mouse determines the center + of the circle, moving the mouse changes its radius, another left click closes the + circle. You can use the Escape key if you want to cancel currect circle before it gets + inserted. + To insert more than one circle, keep doing as mentioned above without deactivating the + "Insert Circle" layer. To deactivate this layer, just press the arrow button + situated on the same toolbar. + + +

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+ Locate polygon

+ Left click on the "Locate Polygon" layer. Be sure there is no layer activated + in standard toolbar that eat events. To be sure, press the arrow button + situated on the standard toolbar. Move the mouse to desired position where you + want to perform the point location query and left click the mouse, if a polygon is + located, its boundary will be painted yellow. + To locate more than one polygon, keep doing as mentioned above without deactivating the + "Locate Polygon" layer. To deactivate this layer, just press the arrow button + situated on the same toolbar. + + +

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+ Make current result blue

+ Left click on the "Make Result Blue" button layer. Current result will replace + the blue polygons, and the red polygons will be deleted. + + +

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+ Make current result red

+ Left click on the "Make Result Red" button layer. Current result will replace + the red polygons, and the blue polygons will be deleted. + + +

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+ Refresh

+ Left click on the refresh button. All polygons will be redrawn to the widget. + + +

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+ Delete all blue polygons

+ Left click on the "Delete Blue Polygons" button layer, all blue polygons will be deleted. + + +

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+ Delete all red polygons

+ Left click on the "Delete Red Polygons" button layer, all red polygons will be deleted. + + + + + + + + +
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+ + +Last modified: Fri May 16 14:53:31 MEST 2003 + + +