How to get the coordinates of the actual view corners

[Anonymous]

How do I get the coordinates of the actual view corners?
Thanks ...

[Anonymous]

View or viewport?

Aragao

style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">

"schindler" <
href="mailto:[email protected]">[email protected]>
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How
do I get the coordinates of the actual view corners?
Thanks
...

[Anonymous]

View or viewport?
... viewport I think ... what I need are the corners of the actual drawing surface in the model space ...
thanks

[Anonymous]

Here:

void

color=#880000>sgGetCorner
size=2>()

{

//Get the VIEWCENTER(Centro da View)
in current UCS
//and transform the point to DCS
(Display Coordinate System
struct
resbuf
color=#808080>rbViewCtr
size=2>;
ads_point
ptCenter
size=2>;
if
color=#000000>((acedGetVar
color=#000000>("VIEWCTR",
&rbViewCtr)) !=
RTNORM)
color=#0000ff>return;
ptCenter
color=#000000>[X] =
rbViewCtr.
color=#808080>resval.
color=#808080>rpoint[
color=#a000a0>X];
ptCenter
color=#000000>[Y] =
rbViewCtr.
color=#808080>resval.
color=#808080>rpoint[
color=#a000a0>Y];
ptCenter
color=#000000>[Z] =
rbViewCtr.
color=#808080>resval.
color=#808080>rpoint[
color=#a000a0>Z];
struct
resbuf
color=#808080>rbUCS,
color=#808080>rbDCS,
color=#808080>rbWCS;
ads_point
ptCenterDCS
size=2>;
rbUCS
color=#000000>.restype =
RTSHORT
size=2>;
rbUCS
color=#000000>.resval
color=#000000>.rint
color=#000000> = 1;
rbDCS
color=#000000>.restype =
RTSHORT
size=2>;
rbDCS
color=#000000>.resval
color=#000000>.rint
color=#000000> = 2;
rbWCS
color=#000000>.restype =
RTSHORT
size=2>;
rbWCS
color=#000000>.resval
color=#000000>.rint
color=#000000> = 0;
if
color=#000000>((acedTrans
color=#000000>(ptCenter,
&rbUCS,
&rbDCS, 0,
ptCenterDCS)) !=
RTNORM)
color=#0000ff>return;
//Get the VIEWSIZE (in drawing
units),
//which is the height of the
view.
struct
resbuf
color=#808080>rbViewSize
size=2>;
double
dblHeight
size=2>;
if
color=#000000>((acedGetVar
color=#000000>("VIEWSIZE",
&rbViewSize)) !=
RTNORM)
color=#0000ff>return;
dblHeight
= rbViewSize.
color=#808080>resval.
color=#808080>rreal;
//Get the screen aspect ratio using
SCREENSIZE system variable.
//Using the value returned by
SCREENSIZE, get the screen width
//and screen height. SCREENSIZE
returns a list of two reals,
//first one is the screen width and
second one is screen height.
struct
resbuf
color=#808080>rbScreenSize
size=2>;
double
dblWidth
size=2>;
if
color=#000000>((acedGetVar
color=#000000>("SCREENSIZE"
color=#000000>, &rbScreenSize
color=#000000>)) != RTNORM
color=#000000>) return
color=#000000>;
dblWidth =
dblHeight*(
color=#808080>rbScreenSize.
color=#808080>resval.
color=#808080>rpoint[0]
color=#808080>rbScreenSize.
color=#808080>resval.
color=#808080>rpoint
size=2>[1]);
//Calculate the lower left corner in
DCS
ads_point
ptMinDCS
size=2>;
ptMinDCS
color=#000000>[X] =
ptCenterDCS[
color=#a000a0>X] - (
color=#808080>dblWidth
2);
ptMinDCS
color=#000000>[Y] =
ptCenterDCS[
color=#a000a0>Y] - (
color=#808080>dblHeight
2);
ptMinDCS
color=#000000>[Z
color=#000000>] = 0;
//Calculate the Upper right corner in
DCS
ads_point
ptMaxDCS
size=2>;
ptMaxDCS
color=#000000>[X] =
ptCenterDCS[
color=#a000a0>X] + (
color=#808080>dblWidth
2);
ptMaxDCS
color=#000000>[Y] =
ptCenterDCS[
color=#a000a0>Y] + (
color=#808080>dblHeight
2);
//Transform lower left and upper righ
corner
//from DCS to
WCS
ads_point
ptMinWCS,
color=#808080>ptMaxWCS
size=2>;
if
color=#000000>((acedTrans
color=#000000>(ptMinDCS,
&rbDCS,
&rbWCS, 0,
ptMinWCS)) !=
color=#a000a0>RTNORM)
color=#0000ff>return;
if
color=#000000>((acedTrans
color=#000000>(ptMaxDCS,
&rbDCS,
&rbWCS, 0,
ptMaxWCS)) !=
color=#a000a0>RTNORM)
color=#0000ff>return;
//Draw line from lower corner to
upper corner
createLine
color=#000000>(ptMinWCS,
ptMaxWCS
size=2>);
return
size=2>;

}

CHeers,

Aragao

style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">

"schindler" <
href="mailto:[email protected]">[email protected]>
escreveu na mensagem
href="news:[email protected]">news:[email protected]...

View
or viewport?
... viewport I think ... what I need are the corners of the
actual drawing surface in the model space ...

thanks

[diagodose2009]

Hi...

Here is my solution... in programming language virtualc+lisp for all CAD's platforms.........

I can convert the routine  "dfn_view_getpnts" to ObjectARx+Cpp but ,i need  your ... private message...

In autolisp,or c++arx my routine  work very nice

best regards..